diff options
34 files changed, 711 insertions, 268 deletions
diff --git a/Documentation/RelNotes-1.7.1.txt b/Documentation/RelNotes-1.7.1.txt new file mode 100644 index 0000000000..8c18ca5d22 --- /dev/null +++ b/Documentation/RelNotes-1.7.1.txt @@ -0,0 +1,20 @@ +Git v1.7.1 Release Notes +======================== + +Updates since v1.7.0 +-------------------- + + * "git grep" learned "--no-index" option, to search inside contents that + are not managed by git. + +Fixes since v1.7.0 +------------------ + +All of the fixes in v1.7.0.X maintenance series are included in this +release, unless otherwise noted. + +--- +exec >/var/tmp/1 +echo O=$(git describe) +O=v1.7.0-36-gfaa3b47 +git shortlog --no-merges ^maint $O.. diff --git a/Documentation/config.txt b/Documentation/config.txt index 4c36aa95b7..664de6b1ab 100644 --- a/Documentation/config.txt +++ b/Documentation/config.txt @@ -138,6 +138,11 @@ advice.*:: Advice on how to set your identity configuration when your information is guessed from the system username and domain name. Default: true. + + detachedHead:: + Advice shown when you used linkgit::git-checkout[1] to + move to the detach HEAD state, to instruct how to create + a local branch after the fact. Default: true. -- core.fileMode:: diff --git a/Documentation/git-fast-import.txt b/Documentation/git-fast-import.txt index 6764ff1886..19082b04eb 100644 --- a/Documentation/git-fast-import.txt +++ b/Documentation/git-fast-import.txt @@ -45,10 +45,7 @@ OPTIONS --max-pack-size=<n>:: Maximum size of each output packfile. - The default is 4 GiB as that is the maximum allowed - packfile size (due to file format limitations). Some - importers may wish to lower this, such as to ensure the - resulting packfiles fit on CDs. + The default is unlimited. --big-file-threshold=<n>:: Maximum size of a blob that fast-import will attempt to diff --git a/Documentation/technical/api-run-command.txt b/Documentation/technical/api-run-command.txt index 68bf4cad8b..44876fa703 100644 --- a/Documentation/technical/api-run-command.txt +++ b/Documentation/technical/api-run-command.txt @@ -64,8 +64,8 @@ The functions above do the following: `start_async`:: Run a function asynchronously. Takes a pointer to a `struct - async` that specifies the details and returns a pipe FD - from which the caller reads. See below for details. + async` that specifies the details and returns a set of pipe FDs + for communication with the function. See below for details. `finish_async`:: @@ -135,7 +135,7 @@ stderr as follows: .in: The FD must be readable; it becomes child's stdin. .out: The FD must be writable; it becomes child's stdout. - .err > 0 is not supported. + .err: The FD must be writable; it becomes child's stderr. The specified FD is closed by start_command(), even if it fails to run the sub-process! @@ -180,17 +180,47 @@ The caller: struct async variable; 2. initializes .proc and .data; 3. calls start_async(); -4. processes the data by reading from the fd in .out; -5. closes .out; +4. processes communicates with proc through .in and .out; +5. closes .in and .out; 6. calls finish_async(). +The members .in, .out are used to provide a set of fd's for +communication between the caller and the callee as follows: + +. Specify 0 to have no file descriptor passed. The callee will + receive -1 in the corresponding argument. + +. Specify < 0 to have a pipe allocated; start_async() replaces + with the pipe FD in the following way: + + .in: Returns the writable pipe end into which the caller + writes; the readable end of the pipe becomes the function's + in argument. + + .out: Returns the readable pipe end from which the caller + reads; the writable end of the pipe becomes the function's + out argument. + + The caller of start_async() must close the returned FDs after it + has completed reading from/writing from them. + +. Specify a file descriptor > 0 to be used by the function: + + .in: The FD must be readable; it becomes the function's in. + .out: The FD must be writable; it becomes the function's out. + + The specified FD is closed by start_async(), even if it fails to + run the function. + The function pointer in .proc has the following signature: - int proc(int fd, void *data); + int proc(int in, int out, void *data); -. fd specifies a writable file descriptor to which the function must - write the data that it produces. The function *must* close this - descriptor before it returns. +. in, out specifies a set of file descriptors to which the function + must read/write the data that it needs/produces. The function + *must* close these descriptors before it returns. A descriptor + may be -1 if the caller did not configure a descriptor for that + direction. . data is the value that the caller has specified in the .data member of struct async. @@ -205,8 +235,8 @@ because this facility is implemented by a pipe to a forked process on UNIX, but by a thread in the same address space on Windows: . It cannot change the program's state (global variables, environment, - etc.) in a way that the caller notices; in other words, .out is the - only communication channel to the caller. + etc.) in a way that the caller notices; in other words, .in and .out + are the only communication channels to the caller. . It must not change the program's state that the caller of the facility also uses. @@ -315,6 +315,7 @@ PROGRAMS = SCRIPT_PERL = SCRIPT_PYTHON = SCRIPT_SH = +SCRIPT_LIB = TEST_PROGRAMS = SCRIPT_SH += git-am.sh @@ -326,20 +327,21 @@ SCRIPT_SH += git-merge-octopus.sh SCRIPT_SH += git-merge-one-file.sh SCRIPT_SH += git-merge-resolve.sh SCRIPT_SH += git-mergetool.sh -SCRIPT_SH += git-mergetool--lib.sh SCRIPT_SH += git-notes.sh -SCRIPT_SH += git-parse-remote.sh SCRIPT_SH += git-pull.sh SCRIPT_SH += git-quiltimport.sh SCRIPT_SH += git-rebase--interactive.sh SCRIPT_SH += git-rebase.sh SCRIPT_SH += git-repack.sh SCRIPT_SH += git-request-pull.sh -SCRIPT_SH += git-sh-setup.sh SCRIPT_SH += git-stash.sh SCRIPT_SH += git-submodule.sh SCRIPT_SH += git-web--browse.sh +SCRIPT_LIB += git-mergetool--lib +SCRIPT_LIB += git-parse-remote +SCRIPT_LIB += git-sh-setup + SCRIPT_PERL += git-add--interactive.perl SCRIPT_PERL += git-difftool.perl SCRIPT_PERL += git-archimport.perl @@ -1411,7 +1413,7 @@ export TAR INSTALL DESTDIR SHELL_PATH SHELL = $(SHELL_PATH) -all:: shell_compatibility_test $(ALL_PROGRAMS) $(BUILT_INS) $(OTHER_PROGRAMS) GIT-BUILD-OPTIONS +all:: shell_compatibility_test $(ALL_PROGRAMS) $(SCRIPT_LIB) $(BUILT_INS) $(OTHER_PROGRAMS) GIT-BUILD-OPTIONS ifneq (,$X) $(QUIET_BUILT_IN)$(foreach p,$(patsubst %$X,%,$(filter %$X,$(ALL_PROGRAMS) $(BUILT_INS) git$X)), test -d '$p' -o '$p' -ef '$p$X' || $(RM) '$p';) endif @@ -1462,17 +1464,25 @@ common-cmds.h: ./generate-cmdlist.sh command-list.txt common-cmds.h: $(wildcard Documentation/git-*.txt) $(QUIET_GEN)./generate-cmdlist.sh > $@+ && mv $@+ $@ +define cmd_munge_script +$(RM) $@ $@+ && \ +sed -e '1s|#!.*/sh|#!$(SHELL_PATH_SQ)|' \ + -e 's|@SHELL_PATH@|$(SHELL_PATH_SQ)|' \ + -e 's/@@GIT_VERSION@@/$(GIT_VERSION)/g' \ + -e 's/@@NO_CURL@@/$(NO_CURL)/g' \ + -e $(BROKEN_PATH_FIX) \ + $@.sh >$@+ +endef + $(patsubst %.sh,%,$(SCRIPT_SH)) : % : %.sh - $(QUIET_GEN)$(RM) $@ $@+ && \ - sed -e '1s|#!.*/sh|#!$(SHELL_PATH_SQ)|' \ - -e 's|@SHELL_PATH@|$(SHELL_PATH_SQ)|' \ - -e 's/@@GIT_VERSION@@/$(GIT_VERSION)/g' \ - -e 's/@@NO_CURL@@/$(NO_CURL)/g' \ - -e $(BROKEN_PATH_FIX) \ - $@.sh >$@+ && \ + $(QUIET_GEN)$(cmd_munge_script) && \ chmod +x $@+ && \ mv $@+ $@ +$(SCRIPT_LIB) : % : %.sh + $(QUIET_GEN)$(cmd_munge_script) && \ + mv $@+ $@ + ifndef NO_PERL $(patsubst %.perl,%,$(SCRIPT_PERL)): perl/perl.mak @@ -1805,6 +1815,7 @@ install: all $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(bindir_SQ)' $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(gitexec_instdir_SQ)' $(INSTALL) $(ALL_PROGRAMS) '$(DESTDIR_SQ)$(gitexec_instdir_SQ)' + $(INSTALL) -m 644 $(SCRIPT_LIB) '$(DESTDIR_SQ)$(gitexec_instdir_SQ)' $(INSTALL) $(install_bindir_programs) '$(DESTDIR_SQ)$(bindir_SQ)' $(MAKE) -C templates DESTDIR='$(DESTDIR_SQ)' install ifndef NO_PERL @@ -1924,7 +1935,7 @@ distclean: clean clean: $(RM) *.o block-sha1/*.o ppc/*.o compat/*.o compat/*/*.o xdiff/*.o \ $(LIB_FILE) $(XDIFF_LIB) - $(RM) $(ALL_PROGRAMS) $(BUILT_INS) git$X + $(RM) $(ALL_PROGRAMS) $(SCRIPT_LIB) $(BUILT_INS) git$X $(RM) $(TEST_PROGRAMS) $(RM) -r bin-wrappers $(RM) *.spec *.pyc *.pyo */*.pyc */*.pyo common-cmds.h TAGS tags cscope* @@ -1956,7 +1967,7 @@ endif ### Check documentation # check-docs:: - @(for v in $(ALL_PROGRAMS) $(BUILT_INS) git gitk; \ + @(for v in $(ALL_PROGRAMS) $(SCRIPT_LIB) $(BUILT_INS) git gitk; \ do \ case "$$v" in \ git-merge-octopus | git-merge-ours | git-merge-recursive | \ @@ -1999,9 +2010,12 @@ check-docs:: documented,gitrepository-layout | \ documented,gittutorial | \ documented,gittutorial-2 | \ + documented,git-bisect-lk2009 | \ + documented.git-remote-helpers | \ + documented,gitworkflows | \ sentinel,not,matching,is,ok ) continue ;; \ esac; \ - case " $(ALL_PROGRAMS) $(BUILT_INS) git gitk " in \ + case " $(ALL_PROGRAMS) $(SCRIPT_LIB) $(BUILT_INS) git gitk " in \ *" $$cmd "*) ;; \ *) echo "removed but $$how: $$cmd" ;; \ esac; \ @@ -1 +1 @@ -Documentation/RelNotes-1.7.0.1.txt
\ No newline at end of file +Documentation/RelNotes-1.7.1.txt
\ No newline at end of file @@ -5,6 +5,7 @@ int advice_status_hints = 1; int advice_commit_before_merge = 1; int advice_resolve_conflict = 1; int advice_implicit_identity = 1; +int advice_detached_head = 1; static struct { const char *name; @@ -15,6 +16,7 @@ static struct { { "commitbeforemerge", &advice_commit_before_merge }, { "resolveconflict", &advice_resolve_conflict }, { "implicitidentity", &advice_implicit_identity }, + { "detachedhead", &advice_detached_head }, }; int git_default_advice_config(const char *var, const char *value) @@ -8,6 +8,7 @@ extern int advice_status_hints; extern int advice_commit_before_merge; extern int advice_resolve_conflict; extern int advice_implicit_identity; +extern int advice_detached_head; int git_default_advice_config(const char *var, const char *value); diff --git a/builtin-checkout.c b/builtin-checkout.c index 527781728e..c5ab7835e1 100644 --- a/builtin-checkout.c +++ b/builtin-checkout.c @@ -488,6 +488,20 @@ static void report_tracking(struct branch_info *new) strbuf_release(&sb); } +static void detach_advice(const char *old_path, const char *new_name) +{ + const char fmt[] = + "Note: checking out '%s'.\n\n" + "You are in 'detached HEAD' state. You can look around, make experimental\n" + "changes and commit them, and you can discard any commits you make in this\n" + "state without impacting any branches by performing another checkout.\n\n" + "If you want to create a new branch to retain commits you create, you may\n" + "do so (now or later) by using -b with the checkout command again. Example:\n\n" + " git checkout -b new_branch_name\n\n"; + + fprintf(stderr, fmt, new_name); +} + static void update_refs_for_switch(struct checkout_opts *opts, struct branch_info *old, struct branch_info *new) @@ -522,8 +536,8 @@ static void update_refs_for_switch(struct checkout_opts *opts, update_ref(msg.buf, "HEAD", new->commit->object.sha1, NULL, REF_NODEREF, DIE_ON_ERR); if (!opts->quiet) { - if (old->path) - fprintf(stderr, "Note: moving to '%s' which isn't a local branch\nIf you want to create a new branch from this checkout, you may do so\n(now or later) by using -b with the checkout command again. Example:\n git checkout -b <new_branch_name>\n", new->name); + if (old->path && advice_detached_head) + detach_advice(old->path, new->name); describe_detached_head("HEAD is now at", new->commit); } } diff --git a/builtin-fetch-pack.c b/builtin-fetch-pack.c index 8ed4a6feaa..dbd8b7bcc8 100644 --- a/builtin-fetch-pack.c +++ b/builtin-fetch-pack.c @@ -586,12 +586,12 @@ static int everything_local(struct ref **refs, int nr_match, char **match) return retval; } -static int sideband_demux(int fd, void *data) +static int sideband_demux(int in, int out, void *data) { int *xd = data; - int ret = recv_sideband("fetch-pack", xd[0], fd); - close(fd); + int ret = recv_sideband("fetch-pack", xd[0], out); + close(out); return ret; } @@ -613,6 +613,7 @@ static int get_pack(int xd[2], char **pack_lockfile) */ demux.proc = sideband_demux; demux.data = xd; + demux.out = -1; if (start_async(&demux)) die("fetch-pack: unable to fork off sideband" " demultiplexer"); diff --git a/builtin-grep.c b/builtin-grep.c index 26979577d3..552ef1face 100644 --- a/builtin-grep.c +++ b/builtin-grep.c @@ -14,6 +14,7 @@ #include "userdiff.h" #include "grep.h" #include "quote.h" +#include "dir.h" #ifndef NO_PTHREADS #include "thread-utils.h" @@ -652,6 +653,24 @@ static int grep_object(struct grep_opt *opt, const char **paths, die("unable to grep from object of type %s", typename(obj->type)); } +static int grep_directory(struct grep_opt *opt, const char **paths) +{ + struct dir_struct dir; + int i, hit = 0; + + memset(&dir, 0, sizeof(dir)); + setup_standard_excludes(&dir); + + fill_directory(&dir, paths); + for (i = 0; i < dir.nr; i++) { + hit |= grep_file(opt, dir.entries[i]->name); + if (hit && opt->status_only) + break; + } + free_grep_patterns(opt); + return hit; +} + static int context_callback(const struct option *opt, const char *arg, int unset) { @@ -746,9 +765,12 @@ int cmd_grep(int argc, const char **argv, const char *prefix) const char **paths = NULL; int i; int dummy; + int nongit = 0, use_index = 1; struct option options[] = { OPT_BOOLEAN(0, "cached", &cached, "search in index instead of in the work tree"), + OPT_BOOLEAN(0, "index", &use_index, + "--no-index finds in contents not managed by git"), OPT_GROUP(""), OPT_BOOLEAN('v', "invert-match", &opt.invert, "show non-matching lines"), @@ -831,6 +853,8 @@ int cmd_grep(int argc, const char **argv, const char *prefix) OPT_END() }; + prefix = setup_git_directory_gently(&nongit); + /* * 'git grep -h', unlike 'git grep -h <pattern>', is a request * to show usage information and exit. @@ -868,6 +892,10 @@ int cmd_grep(int argc, const char **argv, const char *prefix) PARSE_OPT_STOP_AT_NON_OPTION | PARSE_OPT_NO_INTERNAL_HELP); + if (use_index && nongit) + /* die the same way as if we did it at the beginning */ + setup_git_directory(); + /* * skip a -- separator; we know it cannot be * separating revisions from pathnames if @@ -939,6 +967,18 @@ int cmd_grep(int argc, const char **argv, const char *prefix) paths[1] = NULL; } + if (!use_index) { + int hit; + if (cached) + die("--cached cannot be used with --no-index."); + if (list.nr) + die("--no-index cannot be used with revs."); + hit = grep_directory(&opt, paths); + if (use_threads) + hit |= wait_all(); + return !hit; + } + if (!list.nr) { int hit; if (!cached) diff --git a/builtin-receive-pack.c b/builtin-receive-pack.c index 4320c93e70..0559fcc871 100644 --- a/builtin-receive-pack.c +++ b/builtin-receive-pack.c @@ -2,6 +2,7 @@ #include "pack.h" #include "refs.h" #include "pkt-line.h" +#include "sideband.h" #include "run-command.h" #include "exec_cmd.h" #include "commit.h" @@ -27,11 +28,12 @@ static int receive_unpack_limit = -1; static int transfer_unpack_limit = -1; static int unpack_limit = 100; static int report_status; +static int use_sideband; static int prefer_ofs_delta = 1; static int auto_update_server_info; static int auto_gc = 1; static const char *head_name; -static char *capabilities_to_send; +static int sent_capabilities; static enum deny_action parse_deny_action(const char *var, const char *value) { @@ -105,19 +107,21 @@ static int receive_pack_config(const char *var, const char *value, void *cb) static int show_ref(const char *path, const unsigned char *sha1, int flag, void *cb_data) { - if (!capabilities_to_send) + if (sent_capabilities) packet_write(1, "%s %s\n", sha1_to_hex(sha1), path); else - packet_write(1, "%s %s%c%s\n", - sha1_to_hex(sha1), path, 0, capabilities_to_send); - capabilities_to_send = NULL; + packet_write(1, "%s %s%c%s%s\n", + sha1_to_hex(sha1), path, 0, + " report-status delete-refs side-band-64k", + prefer_ofs_delta ? " ofs-delta" : ""); + sent_capabilities = 1; return 0; } static void write_head_info(void) { for_each_ref(show_ref, NULL); - if (capabilities_to_send) + if (!sent_capabilities) show_ref("capabilities^{}", null_sha1, 0, NULL); } @@ -135,11 +139,61 @@ static struct command *commands; static const char pre_receive_hook[] = "hooks/pre-receive"; static const char post_receive_hook[] = "hooks/post-receive"; +static void rp_error(const char *err, ...) __attribute__((format (printf, 1, 2))); +static void rp_warning(const char *err, ...) __attribute__((format (printf, 1, 2))); + +static void report_message(const char *prefix, const char *err, va_list params) +{ + int sz = strlen(prefix); + char msg[4096]; + + strncpy(msg, prefix, sz); + sz += vsnprintf(msg + sz, sizeof(msg) - sz, err, params); + if (sz > (sizeof(msg) - 1)) + sz = sizeof(msg) - 1; + msg[sz++] = '\n'; + + if (use_sideband) + send_sideband(1, 2, msg, sz, use_sideband); + else + xwrite(2, msg, sz); +} + +static void rp_warning(const char *err, ...) +{ + va_list params; + va_start(params, err); + report_message("warning: ", err, params); + va_end(params); +} + +static void rp_error(const char *err, ...) +{ + va_list params; + va_start(params, err); + report_message("error: ", err, params); + va_end(params); +} + +static int copy_to_sideband(int in, int out, void *arg) +{ + char data[128]; + while (1) { + ssize_t sz = xread(in, data, sizeof(data)); + if (sz <= 0) + break; + send_sideband(1, 2, data, sz, use_sideband); + } + close(in); + return 0; +} + static int run_receive_hook(const char *hook_name) { static char buf[sizeof(commands->old_sha1) * 2 + PATH_MAX + 4]; struct command *cmd; struct child_process proc; + struct async muxer; const char *argv[2]; int have_input = 0, code; @@ -159,9 +213,23 @@ static int run_receive_hook(const char *hook_name) proc.in = -1; proc.stdout_to_stderr = 1; + if (use_sideband) { + memset(&muxer, 0, sizeof(muxer)); + muxer.proc = copy_to_sideband; + muxer.in = -1; + code = start_async(&muxer); + if (code) + return code; + proc.err = muxer.in; + } + code = start_command(&proc); - if (code) + if (code) { + if (use_sideband) + finish_async(&muxer); return code; + } + for (cmd = commands; cmd; cmd = cmd->next) { if (!cmd->error_string) { size_t n = snprintf(buf, sizeof(buf), "%s %s %s\n", @@ -173,6 +241,8 @@ static int run_receive_hook(const char *hook_name) } } close(proc.in); + if (use_sideband) + finish_async(&muxer); return finish_command(&proc); } @@ -180,6 +250,8 @@ static int run_update_hook(struct command *cmd) { static const char update_hook[] = "hooks/update"; const char *argv[5]; + struct child_process proc; + int code; if (access(update_hook, X_OK) < 0) return 0; @@ -190,8 +262,18 @@ static int run_update_hook(struct command *cmd) argv[3] = sha1_to_hex(cmd->new_sha1); argv[4] = NULL; - return run_command_v_opt(argv, RUN_COMMAND_NO_STDIN | - RUN_COMMAND_STDOUT_TO_STDERR); + memset(&proc, 0, sizeof(proc)); + proc.no_stdin = 1; + proc.stdout_to_stderr = 1; + proc.err = use_sideband ? -1 : 0; + proc.argv = argv; + + code = start_command(&proc); + if (code) + return code; + if (use_sideband) + copy_to_sideband(proc.err, -1, NULL); + return finish_command(&proc); } static int is_ref_checked_out(const char *ref) @@ -224,7 +306,7 @@ static void refuse_unconfigured_deny(void) { int i; for (i = 0; i < ARRAY_SIZE(refuse_unconfigured_deny_msg); i++) - error("%s", refuse_unconfigured_deny_msg[i]); + rp_error("%s", refuse_unconfigured_deny_msg[i]); } static char *refuse_unconfigured_deny_delete_current_msg[] = { @@ -244,7 +326,7 @@ static void refuse_unconfigured_deny_delete_current(void) for (i = 0; i < ARRAY_SIZE(refuse_unconfigured_deny_delete_current_msg); i++) - error("%s", refuse_unconfigured_deny_delete_current_msg[i]); + rp_error("%s", refuse_unconfigured_deny_delete_current_msg[i]); } static const char *update(struct command *cmd) @@ -256,7 +338,7 @@ static const char *update(struct command *cmd) /* only refs/... are allowed */ if (prefixcmp(name, "refs/") || check_ref_format(name + 5)) { - error("refusing to create funny ref '%s' remotely", name); + rp_error("refusing to create funny ref '%s' remotely", name); return "funny refname"; } @@ -265,11 +347,11 @@ static const char *update(struct command *cmd) case DENY_IGNORE: break; case DENY_WARN: - warning("updating the current branch"); + rp_warning("updating the current branch"); break; case DENY_REFUSE: case DENY_UNCONFIGURED: - error("refusing to update checked out branch: %s", name); + rp_error("refusing to update checked out branch: %s", name); if (deny_current_branch == DENY_UNCONFIGURED) refuse_unconfigured_deny(); return "branch is currently checked out"; @@ -284,7 +366,7 @@ static const char *update(struct command *cmd) if (!is_null_sha1(old_sha1) && is_null_sha1(new_sha1)) { if (deny_deletes && !prefixcmp(name, "refs/heads/")) { - error("denying ref deletion for %s", name); + rp_error("denying ref deletion for %s", name); return "deletion prohibited"; } @@ -293,13 +375,13 @@ static const char *update(struct command *cmd) case DENY_IGNORE: break; case DENY_WARN: - warning("deleting the current branch"); + rp_warning("deleting the current branch"); break; case DENY_REFUSE: case DENY_UNCONFIGURED: if (deny_delete_current == DENY_UNCONFIGURED) refuse_unconfigured_deny_delete_current(); - error("refusing to delete the current branch: %s", name); + rp_error("refusing to delete the current branch: %s", name); return "deletion of the current branch prohibited"; } } @@ -329,23 +411,23 @@ static const char *update(struct command *cmd) break; free_commit_list(bases); if (!ent) { - error("denying non-fast-forward %s" - " (you should pull first)", name); + rp_error("denying non-fast-forward %s" + " (you should pull first)", name); return "non-fast-forward"; } } if (run_update_hook(cmd)) { - error("hook declined to update %s", name); + rp_error("hook declined to update %s", name); return "hook declined"; } if (is_null_sha1(new_sha1)) { if (!parse_object(old_sha1)) { - warning ("Allowing deletion of corrupt ref."); + rp_warning("Allowing deletion of corrupt ref."); old_sha1 = NULL; } if (delete_ref(name, old_sha1, 0)) { - error("failed to delete %s", name); + rp_error("failed to delete %s", name); return "failed to delete"; } return NULL; /* good */ @@ -353,7 +435,7 @@ static const char *update(struct command *cmd) else { lock = lock_any_ref_for_update(name, old_sha1, 0); if (!lock) { - error("failed to lock %s", name); + rp_error("failed to lock %s", name); return "failed to lock"; } if (write_ref_sha1(lock, new_sha1, "push")) { @@ -368,8 +450,9 @@ static char update_post_hook[] = "hooks/post-update"; static void run_update_post_hook(struct command *cmd) { struct command *cmd_p; - int argc, status; + int argc; const char **argv; + struct child_process proc; for (argc = 0, cmd_p = cmd; cmd_p; cmd_p = cmd_p->next) { if (cmd_p->error_string) @@ -391,8 +474,18 @@ static void run_update_post_hook(struct command *cmd) argc++; } argv[argc] = NULL; - status = run_command_v_opt(argv, RUN_COMMAND_NO_STDIN - | RUN_COMMAND_STDOUT_TO_STDERR); + + memset(&proc, 0, sizeof(proc)); + proc.no_stdin = 1; + proc.stdout_to_stderr = 1; + proc.err = use_sideband ? -1 : 0; + proc.argv = argv; + + if (!start_command(&proc)) { + if (use_sideband) + copy_to_sideband(proc.err, -1, NULL); + finish_command(&proc); + } } static void execute_commands(const char *unpacker_error) @@ -452,6 +545,8 @@ static void read_head_info(void) if (reflen + 82 < len) { if (strstr(refname + reflen + 1, "report-status")) report_status = 1; + if (strstr(refname + reflen + 1, "side-band-64k")) + use_sideband = LARGE_PACKET_MAX; } cmd = xmalloc(sizeof(struct command) + len - 80); hashcpy(cmd->old_sha1, old_sha1); @@ -551,17 +646,25 @@ static const char *unpack(void) static void report(const char *unpack_status) { struct command *cmd; - packet_write(1, "unpack %s\n", - unpack_status ? unpack_status : "ok"); + struct strbuf buf = STRBUF_INIT; + + packet_buf_write(&buf, "unpack %s\n", + unpack_status ? unpack_status : "ok"); for (cmd = commands; cmd; cmd = cmd->next) { if (!cmd->error_string) - packet_write(1, "ok %s\n", - cmd->ref_name); + packet_buf_write(&buf, "ok %s\n", + cmd->ref_name); else - packet_write(1, "ng %s %s\n", - cmd->ref_name, cmd->error_string); + packet_buf_write(&buf, "ng %s %s\n", + cmd->ref_name, cmd->error_string); } - packet_flush(1); + packet_buf_flush(&buf); + + if (use_sideband) + send_sideband(1, 1, buf.buf, buf.len, use_sideband); + else + safe_write(1, buf.buf, buf.len); + strbuf_release(&buf); } static int delete_only(struct command *cmd) @@ -658,10 +761,6 @@ int cmd_receive_pack(int argc, const char **argv, const char *prefix) else if (0 <= receive_unpack_limit) unpack_limit = receive_unpack_limit; - capabilities_to_send = (prefer_ofs_delta) ? - " report-status delete-refs ofs-delta " : - " report-status delete-refs "; - if (advertise_refs || !stateless_rpc) { add_alternate_refs(); write_head_info(); @@ -695,5 +794,7 @@ int cmd_receive_pack(int argc, const char **argv, const char *prefix) if (auto_update_server_info) update_server_info(0); } + if (use_sideband) + packet_flush(1); return 0; } diff --git a/builtin-send-pack.c b/builtin-send-pack.c index 76c72065de..2183a47052 100644 --- a/builtin-send-pack.c +++ b/builtin-send-pack.c @@ -372,6 +372,14 @@ static void print_helper_status(struct ref *ref) strbuf_release(&buf); } +static int sideband_demux(int in, int out, void *data) +{ + int *fd = data; + int ret = recv_sideband("send-pack", fd[0], out); + close(out); + return ret; +} + int send_pack(struct send_pack_args *args, int fd[], struct child_process *conn, struct ref *remote_refs, @@ -382,18 +390,22 @@ int send_pack(struct send_pack_args *args, struct strbuf req_buf = STRBUF_INIT; struct ref *ref; int new_refs; - int ask_for_status_report = 0; int allow_deleting_refs = 0; - int expect_status_report = 0; + int status_report = 0; + int use_sideband = 0; + unsigned cmds_sent = 0; int ret; + struct async demux; /* Does the other end support the reporting? */ if (server_supports("report-status")) - ask_for_status_report = 1; + status_report = 1; if (server_supports("delete-refs")) allow_deleting_refs = 1; if (server_supports("ofs-delta")) args->use_ofs_delta = 1; + if (server_supports("side-band-64k")) + use_sideband = 1; if (!remote_refs) { fprintf(stderr, "No refs in common and none specified; doing nothing.\n" @@ -426,28 +438,30 @@ int send_pack(struct send_pack_args *args, if (!ref->deletion) new_refs++; - if (!args->dry_run) { + if (args->dry_run) { + ref->status = REF_STATUS_OK; + } else { char *old_hex = sha1_to_hex(ref->old_sha1); char *new_hex = sha1_to_hex(ref->new_sha1); - if (ask_for_status_report) { - packet_buf_write(&req_buf, "%s %s %s%c%s", + if (!cmds_sent && (status_report || use_sideband)) { + packet_buf_write(&req_buf, "%s %s %s%c%s%s", old_hex, new_hex, ref->name, 0, - "report-status"); - ask_for_status_report = 0; - expect_status_report = 1; + status_report ? " report-status" : "", + use_sideband ? " side-band-64k" : ""); } else packet_buf_write(&req_buf, "%s %s %s", old_hex, new_hex, ref->name); + ref->status = status_report ? + REF_STATUS_EXPECTING_REPORT : + REF_STATUS_OK; + cmds_sent++; } - ref->status = expect_status_report ? - REF_STATUS_EXPECTING_REPORT : - REF_STATUS_OK; } if (args->stateless_rpc) { - if (!args->dry_run) { + if (!args->dry_run && cmds_sent) { packet_buf_flush(&req_buf); send_sideband(out, -1, req_buf.buf, req_buf.len, LARGE_PACKET_MAX); } @@ -457,23 +471,43 @@ int send_pack(struct send_pack_args *args, } strbuf_release(&req_buf); - if (new_refs && !args->dry_run) { + if (use_sideband && cmds_sent) { + memset(&demux, 0, sizeof(demux)); + demux.proc = sideband_demux; + demux.data = fd; + demux.out = -1; + if (start_async(&demux)) + die("receive-pack: unable to fork off sideband demultiplexer"); + in = demux.out; + } + + if (new_refs && cmds_sent) { if (pack_objects(out, remote_refs, extra_have, args) < 0) { for (ref = remote_refs; ref; ref = ref->next) ref->status = REF_STATUS_NONE; + if (use_sideband) + finish_async(&demux); return -1; } } - if (args->stateless_rpc && !args->dry_run) + if (args->stateless_rpc && cmds_sent) packet_flush(out); - if (expect_status_report) + if (status_report && cmds_sent) ret = receive_status(in, remote_refs); else ret = 0; if (args->stateless_rpc) packet_flush(out); + if (use_sideband && cmds_sent) { + if (finish_async(&demux)) { + error("error in sideband demultiplexer"); + ret = -1; + } + close(demux.out); + } + if (ret < 0) return ret; for (ref = remote_refs; ref; ref = ref->next) { @@ -241,7 +241,7 @@ struct filter_params { const char *cmd; }; -static int filter_buffer(int fd, void *data) +static int filter_buffer(int in, int out, void *data) { /* * Spawn cmd and feed the buffer contents through its stdin. @@ -255,7 +255,7 @@ static int filter_buffer(int fd, void *data) child_process.argv = argv; child_process.use_shell = 1; child_process.in = -1; - child_process.out = fd; + child_process.out = out; if (start_command(&child_process)) return error("cannot fork to run external filter %s", params->cmd); @@ -292,6 +292,7 @@ static int apply_filter(const char *path, const char *src, size_t len, memset(&async, 0, sizeof(async)); async.proc = filter_buffer; async.data = ¶ms; + async.out = -1; params.src = src; params.size = len; params.cmd = cmd; diff --git a/fast-import.c b/fast-import.c index b477dc6a8f..74f08bd554 100644 --- a/fast-import.c +++ b/fast-import.c @@ -164,12 +164,11 @@ Format of STDIN stream: struct object_entry { + struct pack_idx_entry idx; struct object_entry *next; - uint32_t offset; uint32_t type : TYPE_BITS, pack_id : PACK_ID_BITS, depth : DEPTH_BITS; - unsigned char sha1[20]; }; struct object_entry_pool @@ -192,7 +191,7 @@ struct mark_set struct last_object { struct strbuf data; - uint32_t offset; + off_t offset; unsigned int depth; unsigned no_swap : 1; }; @@ -280,7 +279,7 @@ struct recent_command /* Configured limits on output */ static unsigned long max_depth = 10; -static off_t max_packsize = (1LL << 32) - 1; +static off_t max_packsize; static uintmax_t big_file_threshold = 512 * 1024 * 1024; static int force_update; static int pack_compression_level = Z_DEFAULT_COMPRESSION; @@ -313,9 +312,10 @@ static struct atom_str **atom_table; /* The .pack file being generated */ static unsigned int pack_id; +static struct sha1file *pack_file; static struct packed_git *pack_data; static struct packed_git **all_packs; -static unsigned long pack_size; +static off_t pack_size; /* Table of objects we've written. */ static unsigned int object_entry_alloc = 5000; @@ -521,7 +521,7 @@ static struct object_entry *new_object(unsigned char *sha1) alloc_objects(object_entry_alloc); e = blocks->next_free++; - hashcpy(e->sha1, sha1); + hashcpy(e->idx.sha1, sha1); return e; } @@ -530,7 +530,7 @@ static struct object_entry *find_object(unsigned char *sha1) unsigned int h = sha1[0] << 8 | sha1[1]; struct object_entry *e; for (e = object_table[h]; e; e = e->next) - if (!hashcmp(sha1, e->sha1)) + if (!hashcmp(sha1, e->idx.sha1)) return e; return NULL; } @@ -542,7 +542,7 @@ static struct object_entry *insert_object(unsigned char *sha1) struct object_entry *p = NULL; while (e) { - if (!hashcmp(sha1, e->sha1)) + if (!hashcmp(sha1, e->idx.sha1)) return e; p = e; e = e->next; @@ -550,7 +550,7 @@ static struct object_entry *insert_object(unsigned char *sha1) e = new_object(sha1); e->next = NULL; - e->offset = 0; + e->idx.offset = 0; if (p) p->next = e; else @@ -839,11 +839,12 @@ static void start_packfile(void) p = xcalloc(1, sizeof(*p) + strlen(tmpfile) + 2); strcpy(p->pack_name, tmpfile); p->pack_fd = pack_fd; + pack_file = sha1fd(pack_fd, p->pack_name); hdr.hdr_signature = htonl(PACK_SIGNATURE); hdr.hdr_version = htonl(2); hdr.hdr_entries = 0; - write_or_die(p->pack_fd, &hdr, sizeof(hdr)); + sha1write(pack_file, &hdr, sizeof(hdr)); pack_data = p; pack_size = sizeof(hdr); @@ -853,67 +854,30 @@ static void start_packfile(void) all_packs[pack_id] = p; } -static int oecmp (const void *a_, const void *b_) -{ - struct object_entry *a = *((struct object_entry**)a_); - struct object_entry *b = *((struct object_entry**)b_); - return hashcmp(a->sha1, b->sha1); -} - -static char *create_index(void) +static const char *create_index(void) { - static char tmpfile[PATH_MAX]; - git_SHA_CTX ctx; - struct sha1file *f; - struct object_entry **idx, **c, **last, *e; + const char *tmpfile; + struct pack_idx_entry **idx, **c, **last; + struct object_entry *e; struct object_entry_pool *o; - uint32_t array[256]; - int i, idx_fd; - /* Build the sorted table of object IDs. */ - idx = xmalloc(object_count * sizeof(struct object_entry*)); + /* Build the table of object IDs. */ + idx = xmalloc(object_count * sizeof(*idx)); c = idx; for (o = blocks; o; o = o->next_pool) for (e = o->next_free; e-- != o->entries;) if (pack_id == e->pack_id) - *c++ = e; + *c++ = &e->idx; last = idx + object_count; if (c != last) die("internal consistency error creating the index"); - qsort(idx, object_count, sizeof(struct object_entry*), oecmp); - /* Generate the fan-out array. */ - c = idx; - for (i = 0; i < 256; i++) { - struct object_entry **next = c; - while (next < last) { - if ((*next)->sha1[0] != i) - break; - next++; - } - array[i] = htonl(next - idx); - c = next; - } - - idx_fd = odb_mkstemp(tmpfile, sizeof(tmpfile), - "pack/tmp_idx_XXXXXX"); - f = sha1fd(idx_fd, tmpfile); - sha1write(f, array, 256 * sizeof(int)); - git_SHA1_Init(&ctx); - for (c = idx; c != last; c++) { - uint32_t offset = htonl((*c)->offset); - sha1write(f, &offset, 4); - sha1write(f, (*c)->sha1, sizeof((*c)->sha1)); - git_SHA1_Update(&ctx, (*c)->sha1, 20); - } - sha1write(f, pack_data->sha1, sizeof(pack_data->sha1)); - sha1close(f, NULL, CSUM_FSYNC); + tmpfile = write_idx_file(NULL, idx, object_count, pack_data->sha1); free(idx); - git_SHA1_Final(pack_data->sha1, &ctx); return tmpfile; } -static char *keep_pack(char *curr_index_name) +static char *keep_pack(const char *curr_index_name) { static char name[PATH_MAX]; static const char *keep_msg = "fast-import"; @@ -935,6 +899,7 @@ static char *keep_pack(char *curr_index_name) get_object_directory(), sha1_to_hex(pack_data->sha1)); if (move_temp_to_file(curr_index_name, name)) die("cannot store index file"); + free((void *)curr_index_name); return name; } @@ -957,15 +922,17 @@ static void end_packfile(void) clear_delta_base_cache(); if (object_count) { + unsigned char cur_pack_sha1[20]; char *idx_name; int i; struct branch *b; struct tag *t; close_pack_windows(pack_data); + sha1close(pack_file, cur_pack_sha1, 0); fixup_pack_header_footer(pack_data->pack_fd, pack_data->sha1, pack_data->pack_name, object_count, - NULL, 0); + cur_pack_sha1, pack_size); close(pack_data->pack_fd); idx_name = keep_pack(create_index()); @@ -1063,25 +1030,21 @@ static int store_object( e = insert_object(sha1); if (mark) insert_mark(mark, e); - if (e->offset) { + if (e->idx.offset) { duplicate_count_by_type[type]++; return 1; } else if (find_sha1_pack(sha1, packed_git)) { e->type = type; e->pack_id = MAX_PACK_ID; - e->offset = 1; /* just not zero! */ + e->idx.offset = 1; /* just not zero! */ duplicate_count_by_type[type]++; return 1; } - if (last && last->data.buf && last->depth < max_depth) { + if (last && last->data.buf && last->depth < max_depth && dat->len > 20) { delta = diff_delta(last->data.buf, last->data.len, dat->buf, dat->len, - &deltalen, 0); - if (delta && deltalen >= dat->len) { - free(delta); - delta = NULL; - } + &deltalen, dat->len - 20); } else delta = NULL; @@ -1101,7 +1064,7 @@ static int store_object( deflateEnd(&s); /* Determine if we should auto-checkpoint. */ - if ((pack_size + 60 + s.total_out) > max_packsize + if ((max_packsize && (pack_size + 60 + s.total_out) > max_packsize) || (pack_size + 60 + s.total_out) < pack_size) { /* This new object needs to *not* have the current pack_id. */ @@ -1127,36 +1090,40 @@ static int store_object( e->type = type; e->pack_id = pack_id; - e->offset = pack_size; + e->idx.offset = pack_size; object_count++; object_count_by_type[type]++; + crc32_begin(pack_file); + if (delta) { - unsigned long ofs = e->offset - last->offset; + off_t ofs = e->idx.offset - last->offset; unsigned pos = sizeof(hdr) - 1; delta_count_by_type[type]++; e->depth = last->depth + 1; hdrlen = encode_header(OBJ_OFS_DELTA, deltalen, hdr); - write_or_die(pack_data->pack_fd, hdr, hdrlen); + sha1write(pack_file, hdr, hdrlen); pack_size += hdrlen; hdr[pos] = ofs & 127; while (ofs >>= 7) hdr[--pos] = 128 | (--ofs & 127); - write_or_die(pack_data->pack_fd, hdr + pos, sizeof(hdr) - pos); + sha1write(pack_file, hdr + pos, sizeof(hdr) - pos); pack_size += sizeof(hdr) - pos; } else { e->depth = 0; hdrlen = encode_header(type, dat->len, hdr); - write_or_die(pack_data->pack_fd, hdr, hdrlen); + sha1write(pack_file, hdr, hdrlen); pack_size += hdrlen; } - write_or_die(pack_data->pack_fd, out, s.total_out); + sha1write(pack_file, out, s.total_out); pack_size += s.total_out; + e->idx.crc32 = crc32_end(pack_file); + free(out); free(delta); if (last) { @@ -1165,18 +1132,23 @@ static int store_object( } else { strbuf_swap(&last->data, dat); } - last->offset = e->offset; + last->offset = e->idx.offset; last->depth = e->depth; } return 0; } -static void truncate_pack(off_t to) +static void truncate_pack(off_t to, git_SHA_CTX *ctx) { if (ftruncate(pack_data->pack_fd, to) || lseek(pack_data->pack_fd, to, SEEK_SET) != to) die_errno("cannot truncate pack to skip duplicate"); pack_size = to; + + /* yes this is a layering violation */ + pack_file->total = to; + pack_file->offset = 0; + pack_file->ctx = *ctx; } static void stream_blob(uintmax_t len, unsigned char *sha1out, uintmax_t mark) @@ -1189,16 +1161,21 @@ static void stream_blob(uintmax_t len, unsigned char *sha1out, uintmax_t mark) unsigned long hdrlen; off_t offset; git_SHA_CTX c; + git_SHA_CTX pack_file_ctx; z_stream s; int status = Z_OK; /* Determine if we should auto-checkpoint. */ - if ((pack_size + 60 + len) > max_packsize + if ((max_packsize && (pack_size + 60 + len) > max_packsize) || (pack_size + 60 + len) < pack_size) cycle_packfile(); offset = pack_size; + /* preserve the pack_file SHA1 ctx in case we have to truncate later */ + sha1flush(pack_file); + pack_file_ctx = pack_file->ctx; + hdrlen = snprintf((char *)out_buf, out_sz, "blob %" PRIuMAX, len) + 1; if (out_sz <= hdrlen) die("impossibly large object header"); @@ -1206,6 +1183,8 @@ static void stream_blob(uintmax_t len, unsigned char *sha1out, uintmax_t mark) git_SHA1_Init(&c); git_SHA1_Update(&c, out_buf, hdrlen); + crc32_begin(pack_file); + memset(&s, 0, sizeof(s)); deflateInit(&s, pack_compression_level); @@ -1233,7 +1212,7 @@ static void stream_blob(uintmax_t len, unsigned char *sha1out, uintmax_t mark) if (!s.avail_out || status == Z_STREAM_END) { size_t n = s.next_out - out_buf; - write_or_die(pack_data->pack_fd, out_buf, n); + sha1write(pack_file, out_buf, n); pack_size += n; s.next_out = out_buf; s.avail_out = out_sz; @@ -1259,22 +1238,23 @@ static void stream_blob(uintmax_t len, unsigned char *sha1out, uintmax_t mark) if (mark) insert_mark(mark, e); - if (e->offset) { + if (e->idx.offset) { duplicate_count_by_type[OBJ_BLOB]++; - truncate_pack(offset); + truncate_pack(offset, &pack_file_ctx); } else if (find_sha1_pack(sha1, packed_git)) { e->type = OBJ_BLOB; e->pack_id = MAX_PACK_ID; - e->offset = 1; /* just not zero! */ + e->idx.offset = 1; /* just not zero! */ duplicate_count_by_type[OBJ_BLOB]++; - truncate_pack(offset); + truncate_pack(offset, &pack_file_ctx); } else { e->depth = 0; e->type = OBJ_BLOB; e->pack_id = pack_id; - e->offset = offset; + e->idx.offset = offset; + e->idx.crc32 = crc32_end(pack_file); object_count++; object_count_by_type[OBJ_BLOB]++; } @@ -1317,6 +1297,7 @@ static void *gfi_unpack_entry( * the newly written data. */ close_pack_windows(p); + sha1flush(pack_file); /* We have to offer 20 bytes additional on the end of * the packfile as the core unpacker code assumes the @@ -1326,7 +1307,7 @@ static void *gfi_unpack_entry( */ p->pack_size = pack_size + 20; } - return unpack_entry(p, oe->offset, &type, sizep); + return unpack_entry(p, oe->idx.offset, &type, sizep); } static const char *get_mode(const char *str, uint16_t *modep) @@ -1457,7 +1438,7 @@ static void store_tree(struct tree_entry *root) if (S_ISDIR(root->versions[0].mode) && le && le->pack_id == pack_id) { mktree(t, 0, &old_tree); lo.data = old_tree; - lo.offset = le->offset; + lo.offset = le->idx.offset; lo.depth = t->delta_depth; } @@ -1715,7 +1696,7 @@ static void dump_marks_helper(FILE *f, for (k = 0; k < 1024; k++) { if (m->data.marked[k]) fprintf(f, ":%" PRIuMAX " %s\n", base + k, - sha1_to_hex(m->data.marked[k]->sha1)); + sha1_to_hex(m->data.marked[k]->idx.sha1)); } } } @@ -1798,7 +1779,7 @@ static void read_marks(void) e = insert_object(sha1); e->type = type; e->pack_id = MAX_PACK_ID; - e->offset = 1; /* just not zero! */ + e->idx.offset = 1; /* just not zero! */ } insert_mark(mark, e); } @@ -2183,7 +2164,7 @@ static void file_change_m(struct branch *b) if (*p == ':') { char *x; oe = find_mark(strtoumax(p + 1, &x, 10)); - hashcpy(sha1, oe->sha1); + hashcpy(sha1, oe->idx.sha1); p = x; } else if (!prefixcmp(p, "inline")) { inline_data = 1; @@ -2316,7 +2297,7 @@ static void note_change_n(struct branch *b, unsigned char old_fanout) if (*p == ':') { char *x; oe = find_mark(strtoumax(p + 1, &x, 10)); - hashcpy(sha1, oe->sha1); + hashcpy(sha1, oe->idx.sha1); p = x; } else if (!prefixcmp(p, "inline")) { inline_data = 1; @@ -2339,7 +2320,7 @@ static void note_change_n(struct branch *b, unsigned char old_fanout) struct object_entry *commit_oe = find_mark(commit_mark); if (commit_oe->type != OBJ_COMMIT) die("Mark :%" PRIuMAX " not a commit", commit_mark); - hashcpy(commit_sha1, commit_oe->sha1); + hashcpy(commit_sha1, commit_oe->idx.sha1); } else if (!get_sha1(p, commit_sha1)) { unsigned long size; char *buf = read_object_with_reference(commit_sha1, @@ -2446,7 +2427,7 @@ static int parse_from(struct branch *b) struct object_entry *oe = find_mark(idnum); if (oe->type != OBJ_COMMIT) die("Mark :%" PRIuMAX " not a commit", idnum); - hashcpy(b->sha1, oe->sha1); + hashcpy(b->sha1, oe->idx.sha1); if (oe->pack_id != MAX_PACK_ID) { unsigned long size; char *buf = gfi_unpack_entry(oe, &size); @@ -2481,7 +2462,7 @@ static struct hash_list *parse_merge(unsigned int *count) struct object_entry *oe = find_mark(idnum); if (oe->type != OBJ_COMMIT) die("Mark :%" PRIuMAX " not a commit", idnum); - hashcpy(n->sha1, oe->sha1); + hashcpy(n->sha1, oe->idx.sha1); } else if (!get_sha1(from, n->sha1)) { unsigned long size; char *buf = read_object_with_reference(n->sha1, @@ -2639,7 +2620,7 @@ static void parse_new_tag(void) from_mark = strtoumax(from + 1, NULL, 10); oe = find_mark(from_mark); type = oe->type; - hashcpy(sha1, oe->sha1); + hashcpy(sha1, oe->idx.sha1); } else if (!get_sha1(from, sha1)) { unsigned long size; char *buf; @@ -2891,6 +2872,17 @@ static int git_pack_config(const char *k, const char *v, void *cb) pack_compression_seen = 1; return 0; } + if (!strcmp(k, "pack.indexversion")) { + pack_idx_default_version = git_config_int(k, v); + if (pack_idx_default_version > 2) + die("bad pack.indexversion=%"PRIu32, + pack_idx_default_version); + return 0; + } + if (!strcmp(k, "pack.packsizelimit")) { + max_packsize = git_config_ulong(k, v); + return 0; + } if (!strcmp(k, "core.bigfilethreshold")) { long n = git_config_int(k, v); big_file_threshold = 0 < n ? n : 0; diff --git a/git-parse-remote.sh b/git-parse-remote.sh index 5f47b18141..5f47b18141 100755..100644 --- a/git-parse-remote.sh +++ b/git-parse-remote.sh diff --git a/git-request-pull.sh b/git-request-pull.sh index 630ceddf03..8fd15f6df4 100755 --- a/git-request-pull.sh +++ b/git-request-pull.sh @@ -65,11 +65,11 @@ if [ -z "$branch" ]; then status=1 fi -echo "The following changes since commit $baserev:" -git shortlog --max-count=1 $baserev | sed -e 's/^\(.\)/ \1/' +git show -s --format='The following changes since commit %H: -echo "are available in the git repository at:" -echo + %s (%ci) + +are available in the git repository at:' $baserev echo " $url $branch" echo diff --git a/git-sh-setup.sh b/git-sh-setup.sh index d56426dd39..d56426dd39 100755..100644 --- a/git-sh-setup.sh +++ b/git-sh-setup.sh @@ -317,7 +317,7 @@ static void handle_internal_command(int argc, const char **argv) { "fsck-objects", cmd_fsck, RUN_SETUP }, { "gc", cmd_gc, RUN_SETUP }, { "get-tar-commit-id", cmd_get_tar_commit_id }, - { "grep", cmd_grep, RUN_SETUP | USE_PAGER }, + { "grep", cmd_grep, USE_PAGER }, { "hash-object", cmd_hash_object }, { "help", cmd_help }, { "index-pack", cmd_index_pack }, diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl index 1f6978ac1f..3c879b88fe 100755 --- a/gitweb/gitweb.perl +++ b/gitweb/gitweb.perl @@ -1143,6 +1143,7 @@ sub validate_refname { # in utf-8 thanks to "binmode STDOUT, ':utf8'" at beginning sub to_utf8 { my $str = shift; + return undef unless defined $str; if (utf8::valid($str)) { utf8::decode($str); return $str; @@ -1155,6 +1156,7 @@ sub to_utf8 { # correct, but quoted slashes look too horrible in bookmarks sub esc_param { my $str = shift; + return undef unless defined $str; $str =~ s/([^A-Za-z0-9\-_.~()\/:@ ]+)/CGI::escape($1)/eg; $str =~ s/ /\+/g; return $str; @@ -1163,6 +1165,7 @@ sub esc_param { # quote unsafe chars in whole URL, so some charactrs cannot be quoted sub esc_url { my $str = shift; + return undef unless defined $str; $str =~ s/([^A-Za-z0-9\-_.~();\/;?:@&=])/sprintf("%%%02X", ord($1))/eg; $str =~ s/\+/%2B/g; $str =~ s/ /\+/g; @@ -1174,6 +1177,8 @@ sub esc_html { my $str = shift; my %opts = @_; + return undef unless defined $str; + $str = to_utf8($str); $str = $cgi->escapeHTML($str); if ($opts{'-nbsp'}) { @@ -1188,6 +1193,8 @@ sub esc_path { my $str = shift; my %opts = @_; + return undef unless defined $str; + $str = to_utf8($str); $str = $cgi->escapeHTML($str); if ($opts{'-nbsp'}) { @@ -3372,7 +3379,7 @@ sub git_footer_html { "</html>"; } -# die_error(<http_status_code>, <error_message>) +# die_error(<http_status_code>, <error_message>[, <detailed_html_description>]) # Example: die_error(404, 'Hash not found') # By convention, use the following status codes (as defined in RFC 2616): # 400: Invalid or missing CGI parameters, or @@ -3387,7 +3394,7 @@ sub git_footer_html { # or down for maintenance). Generally, this is a temporary state. sub die_error { my $status = shift || 500; - my $error = shift || "Internal server error"; + my $error = esc_html(shift) || "Internal Server Error"; my $extra = shift; my %http_responses = ( diff --git a/imap-send.c b/imap-send.c index ba72fa4b6e..5631930bc3 100644 --- a/imap-send.c +++ b/imap-send.c @@ -91,7 +91,6 @@ struct msg_data { char *data; int len; unsigned char flags; - unsigned int crlf:1; }; static const char imap_send_usage[] = "git imap-send < <mbox>"; @@ -1162,6 +1161,44 @@ static int imap_make_flags(int flags, char *buf) return d; } +static void lf_to_crlf(struct msg_data *msg) +{ + char *new; + int i, j, lfnum = 0; + + if (msg->data[0] == '\n') + lfnum++; + for (i = 1; i < msg->len; i++) { + if (msg->data[i - 1] != '\r' && msg->data[i] == '\n') + lfnum++; + } + + new = xmalloc(msg->len + lfnum); + if (msg->data[0] == '\n') { + new[0] = '\r'; + new[1] = '\n'; + i = 1; + j = 2; + } else { + new[0] = msg->data[0]; + i = 1; + j = 1; + } + for ( ; i < msg->len; i++) { + if (msg->data[i] != '\n') { + new[j++] = msg->data[i]; + continue; + } + if (msg->data[i - 1] != '\r') + new[j++] = '\r'; + /* otherwise it already had CR before */ + new[j++] = '\n'; + } + msg->len += lfnum; + free(msg->data); + msg->data = new; +} + static int imap_store_msg(struct store *gctx, struct msg_data *data) { struct imap_store *ctx = (struct imap_store *)gctx; @@ -1171,6 +1208,7 @@ static int imap_store_msg(struct store *gctx, struct msg_data *data) int ret, d; char flagstr[128]; + lf_to_crlf(data); memset(&cb, 0, sizeof(cb)); cb.dlen = data->len; @@ -336,7 +336,7 @@ char *enter_repo(char *path, int strict) if (access("objects", X_OK) == 0 && access("refs", X_OK) == 0 && validate_headref("HEAD") == 0) { - setenv(GIT_DIR_ENVIRONMENT, ".", 1); + set_git_dir("."); check_repository_format(); return path; } diff --git a/remote-curl.c b/remote-curl.c index a904164e42..d388120851 100644 --- a/remote-curl.c +++ b/remote-curl.c @@ -184,13 +184,13 @@ static struct discovery* discover_refs(const char *service) return last; } -static int write_discovery(int fd, void *data) +static int write_discovery(int in, int out, void *data) { struct discovery *heads = data; int err = 0; - if (write_in_full(fd, heads->buf, heads->len) != heads->len) + if (write_in_full(out, heads->buf, heads->len) != heads->len) err = 1; - close(fd); + close(out); return err; } @@ -202,6 +202,7 @@ static struct ref *parse_git_refs(struct discovery *heads) memset(&async, 0, sizeof(async)); async.proc = write_discovery; async.data = heads; + async.out = -1; if (start_async(&async)) die("cannot start thread to parse advertised refs"); diff --git a/run-command.c b/run-command.c index 2feb493951..0cd7f02ffe 100644 --- a/run-command.c +++ b/run-command.c @@ -233,6 +233,9 @@ fail_pipe: else if (need_err) { dup2(fderr[1], 2); close_pair(fderr); + } else if (cmd->err > 1) { + dup2(cmd->err, 2); + close(cmd->err); } if (cmd->no_stdout) @@ -325,6 +328,8 @@ fail_pipe: fherr = open("/dev/null", O_RDWR); else if (need_err) fherr = dup(fderr[1]); + else if (cmd->err > 2) + fherr = dup(cmd->err); if (cmd->no_stdout) fhout = open("/dev/null", O_RDWR); @@ -394,6 +399,8 @@ fail_pipe: if (need_err) close(fderr[1]); + else if (cmd->err) + close(cmd->err); return 0; } @@ -444,17 +451,51 @@ int run_command_v_opt_cd_env(const char **argv, int opt, const char *dir, const static unsigned __stdcall run_thread(void *data) { struct async *async = data; - return async->proc(async->fd_for_proc, async->data); + return async->proc(async->proc_in, async->proc_out, async->data); } #endif int start_async(struct async *async) { - int pipe_out[2]; + int need_in, need_out; + int fdin[2], fdout[2]; + int proc_in, proc_out; - if (pipe(pipe_out) < 0) - return error("cannot create pipe: %s", strerror(errno)); - async->out = pipe_out[0]; + need_in = async->in < 0; + if (need_in) { + if (pipe(fdin) < 0) { + if (async->out > 0) + close(async->out); + return error("cannot create pipe: %s", strerror(errno)); + } + async->in = fdin[1]; + } + + need_out = async->out < 0; + if (need_out) { + if (pipe(fdout) < 0) { + if (need_in) + close_pair(fdin); + else if (async->in) + close(async->in); + return error("cannot create pipe: %s", strerror(errno)); + } + async->out = fdout[0]; + } + + if (need_in) + proc_in = fdin[0]; + else if (async->in) + proc_in = async->in; + else + proc_in = -1; + + if (need_out) + proc_out = fdout[1]; + else if (async->out) + proc_out = async->out; + else + proc_out = -1; #ifndef WIN32 /* Flush stdio before fork() to avoid cloning buffers */ @@ -463,24 +504,47 @@ int start_async(struct async *async) async->pid = fork(); if (async->pid < 0) { error("fork (async) failed: %s", strerror(errno)); - close_pair(pipe_out); - return -1; + goto error; } if (!async->pid) { - close(pipe_out[0]); - exit(!!async->proc(pipe_out[1], async->data)); + if (need_in) + close(fdin[1]); + if (need_out) + close(fdout[0]); + exit(!!async->proc(proc_in, proc_out, async->data)); } - close(pipe_out[1]); + + if (need_in) + close(fdin[0]); + else if (async->in) + close(async->in); + + if (need_out) + close(fdout[1]); + else if (async->out) + close(async->out); #else - async->fd_for_proc = pipe_out[1]; + async->proc_in = proc_in; + async->proc_out = proc_out; async->tid = (HANDLE) _beginthreadex(NULL, 0, run_thread, async, 0, NULL); if (!async->tid) { error("cannot create thread: %s", strerror(errno)); - close_pair(pipe_out); - return -1; + goto error; } #endif return 0; + +error: + if (need_in) + close_pair(fdin); + else if (async->in) + close(async->in); + + if (need_out) + close_pair(fdout); + else if (async->out) + close(async->out); + return -1; } int finish_async(struct async *async) diff --git a/run-command.h b/run-command.h index 967ba8cc09..94619f52d9 100644 --- a/run-command.h +++ b/run-command.h @@ -18,7 +18,7 @@ struct child_process { * - Specify > 0 to set a channel to a particular FD as follows: * .in: a readable FD, becomes child's stdin * .out: a writable FD, becomes child's stdout/stderr - * .err > 0 not supported + * .err: a writable FD, becomes child's stderr * The specified FD is closed by start_command(), even in case * of errors! */ @@ -66,17 +66,20 @@ int run_command_v_opt_cd_env(const char **argv, int opt, const char *dir, const */ struct async { /* - * proc writes to fd and closes it; + * proc reads from in; closes it before return + * proc writes to out; closes it before return * returns 0 on success, non-zero on failure */ - int (*proc)(int fd, void *data); + int (*proc)(int in, int out, void *data); void *data; + int in; /* caller writes here and closes it */ int out; /* caller reads from here and closes it */ #ifndef WIN32 pid_t pid; #else HANDLE tid; - int fd_for_proc; + int proc_in; + int proc_out; #endif }; @@ -404,9 +404,9 @@ const char *setup_git_directory_gently(int *nongit_ok) inside_work_tree = 0; if (offset != len) { cwd[offset] = '\0'; - setenv(GIT_DIR_ENVIRONMENT, cwd, 1); + set_git_dir(cwd); } else - setenv(GIT_DIR_ENVIRONMENT, ".", 1); + set_git_dir("."); check_repository_format_gently(nongit_ok); return NULL; } diff --git a/t/lib-patch-mode.sh b/t/lib-patch-mode.sh index 75a3ee283d..ce36f34d03 100755..100644 --- a/t/lib-patch-mode.sh +++ b/t/lib-patch-mode.sh @@ -1,3 +1,5 @@ +: included from t2016 and others + . ./test-lib.sh if ! test_have_prereq PERL; then diff --git a/t/t5401-update-hooks.sh b/t/t5401-update-hooks.sh index 325714e529..17bcb0b040 100755 --- a/t/t5401-update-hooks.sh +++ b/t/t5401-update-hooks.sh @@ -17,23 +17,22 @@ test_expect_success setup ' commit1=$(echo modify | git commit-tree $tree1 -p $commit0) && git update-ref refs/heads/master $commit0 && git update-ref refs/heads/tofail $commit1 && - git clone ./. victim && - GIT_DIR=victim/.git git config receive.denyCurrentBranch warn && - GIT_DIR=victim/.git git update-ref refs/heads/tofail $commit1 && + git clone --bare ./. victim.git && + GIT_DIR=victim.git git update-ref refs/heads/tofail $commit1 && git update-ref refs/heads/master $commit1 && git update-ref refs/heads/tofail $commit0 ' -cat >victim/.git/hooks/pre-receive <<'EOF' +cat >victim.git/hooks/pre-receive <<'EOF' #!/bin/sh printf %s "$@" >>$GIT_DIR/pre-receive.args cat - >$GIT_DIR/pre-receive.stdin echo STDOUT pre-receive echo STDERR pre-receive >&2 EOF -chmod u+x victim/.git/hooks/pre-receive +chmod u+x victim.git/hooks/pre-receive -cat >victim/.git/hooks/update <<'EOF' +cat >victim.git/hooks/update <<'EOF' #!/bin/sh echo "$@" >>$GIT_DIR/update.args read x; printf %s "$x" >$GIT_DIR/update.stdin @@ -41,77 +40,77 @@ echo STDOUT update $1 echo STDERR update $1 >&2 test "$1" = refs/heads/master || exit EOF -chmod u+x victim/.git/hooks/update +chmod u+x victim.git/hooks/update -cat >victim/.git/hooks/post-receive <<'EOF' +cat >victim.git/hooks/post-receive <<'EOF' #!/bin/sh printf %s "$@" >>$GIT_DIR/post-receive.args cat - >$GIT_DIR/post-receive.stdin echo STDOUT post-receive echo STDERR post-receive >&2 EOF -chmod u+x victim/.git/hooks/post-receive +chmod u+x victim.git/hooks/post-receive -cat >victim/.git/hooks/post-update <<'EOF' +cat >victim.git/hooks/post-update <<'EOF' #!/bin/sh echo "$@" >>$GIT_DIR/post-update.args read x; printf %s "$x" >$GIT_DIR/post-update.stdin echo STDOUT post-update echo STDERR post-update >&2 EOF -chmod u+x victim/.git/hooks/post-update +chmod u+x victim.git/hooks/post-update test_expect_success push ' - test_must_fail git send-pack --force ./victim/.git \ + test_must_fail git send-pack --force ./victim.git \ master tofail >send.out 2>send.err ' test_expect_success 'updated as expected' ' - test $(GIT_DIR=victim/.git git rev-parse master) = $commit1 && - test $(GIT_DIR=victim/.git git rev-parse tofail) = $commit1 + test $(GIT_DIR=victim.git git rev-parse master) = $commit1 && + test $(GIT_DIR=victim.git git rev-parse tofail) = $commit1 ' test_expect_success 'hooks ran' ' - test -f victim/.git/pre-receive.args && - test -f victim/.git/pre-receive.stdin && - test -f victim/.git/update.args && - test -f victim/.git/update.stdin && - test -f victim/.git/post-receive.args && - test -f victim/.git/post-receive.stdin && - test -f victim/.git/post-update.args && - test -f victim/.git/post-update.stdin + test -f victim.git/pre-receive.args && + test -f victim.git/pre-receive.stdin && + test -f victim.git/update.args && + test -f victim.git/update.stdin && + test -f victim.git/post-receive.args && + test -f victim.git/post-receive.stdin && + test -f victim.git/post-update.args && + test -f victim.git/post-update.stdin ' test_expect_success 'pre-receive hook input' ' (echo $commit0 $commit1 refs/heads/master; echo $commit1 $commit0 refs/heads/tofail - ) | test_cmp - victim/.git/pre-receive.stdin + ) | test_cmp - victim.git/pre-receive.stdin ' test_expect_success 'update hook arguments' ' (echo refs/heads/master $commit0 $commit1; echo refs/heads/tofail $commit1 $commit0 - ) | test_cmp - victim/.git/update.args + ) | test_cmp - victim.git/update.args ' test_expect_success 'post-receive hook input' ' echo $commit0 $commit1 refs/heads/master | - test_cmp - victim/.git/post-receive.stdin + test_cmp - victim.git/post-receive.stdin ' test_expect_success 'post-update hook arguments' ' echo refs/heads/master | - test_cmp - victim/.git/post-update.args + test_cmp - victim.git/post-update.args ' test_expect_success 'all hook stdin is /dev/null' ' - ! test -s victim/.git/update.stdin && - ! test -s victim/.git/post-update.stdin + ! test -s victim.git/update.stdin && + ! test -s victim.git/post-update.stdin ' test_expect_success 'all *-receive hook args are empty' ' - ! test -s victim/.git/pre-receive.args && - ! test -s victim/.git/post-receive.args + ! test -s victim.git/pre-receive.args && + ! test -s victim.git/post-receive.args ' test_expect_success 'send-pack produced no output' ' @@ -119,20 +118,21 @@ test_expect_success 'send-pack produced no output' ' ' cat <<EOF >expect -STDOUT pre-receive -STDERR pre-receive -STDOUT update refs/heads/master -STDERR update refs/heads/master -STDOUT update refs/heads/tofail -STDERR update refs/heads/tofail -STDOUT post-receive -STDERR post-receive -STDOUT post-update -STDERR post-update +remote: STDOUT pre-receive +remote: STDERR pre-receive +remote: STDOUT update refs/heads/master +remote: STDERR update refs/heads/master +remote: STDOUT update refs/heads/tofail +remote: STDERR update refs/heads/tofail +remote: error: hook declined to update refs/heads/tofail +remote: STDOUT post-receive +remote: STDERR post-receive +remote: STDOUT post-update +remote: STDERR post-update EOF test_expect_success 'send-pack stderr contains hook messages' ' - grep ^STD send.err >actual && - test_cmp - actual <expect + grep ^remote: send.err | sed "s/ *\$//" >actual && + test_cmp expect actual ' test_done diff --git a/t/t6000lib.sh b/t/t6000lib.sh index f55627b641..985d517a1c 100755..100644 --- a/t/t6000lib.sh +++ b/t/t6000lib.sh @@ -1,3 +1,5 @@ +: included from 6002 and others + [ -d .git/refs/tags ] || mkdir -p .git/refs/tags :> sed.script diff --git a/t/t7002-grep.sh b/t/t7002-grep.sh index 0b583cbfc1..ebae1522c8 100755 --- a/t/t7002-grep.sh +++ b/t/t7002-grep.sh @@ -434,6 +434,58 @@ test_expect_success 'grep -Fi' ' test_cmp expected actual ' +test_expect_success 'outside of git repository' ' + rm -fr non && + mkdir -p non/git/sub && + echo hello >non/git/file1 && + echo world >non/git/sub/file2 && + echo ".*o*" >non/git/.gitignore && + { + echo file1:hello && + echo sub/file2:world + } >non/expect.full && + echo file2:world >non/expect.sub + ( + GIT_CEILING_DIRECTORIES="$(pwd)/non/git" && + export GIT_CEILING_DIRECTORIES && + cd non/git && + test_must_fail git grep o && + git grep --no-index o >../actual.full && + test_cmp ../expect.full ../actual.full + cd sub && + test_must_fail git grep o && + git grep --no-index o >../../actual.sub && + test_cmp ../../expect.sub ../../actual.sub + ) +' + +test_expect_success 'inside git repository but with --no-index' ' + rm -fr is && + mkdir -p is/git/sub && + echo hello >is/git/file1 && + echo world >is/git/sub/file2 && + echo ".*o*" >is/git/.gitignore && + { + echo file1:hello && + echo sub/file2:world + } >is/expect.full && + : >is/expect.empty && + echo file2:world >is/expect.sub + ( + cd is/git && + git init && + test_must_fail git grep o >../actual.full && + test_cmp ../expect.empty ../actual.full && + git grep --no-index o >../actual.full && + test_cmp ../expect.full ../actual.full && + cd sub && + test_must_fail git grep o >../../actual.sub && + test_cmp ../../expect.empty ../../actual.sub && + git grep --no-index o >../../actual.sub && + test_cmp ../../expect.sub ../../actual.sub + ) +' + test_expect_success 'setup double-dash tests' ' cat >double-dash <<EOF && -- diff --git a/t/t7201-co.sh b/t/t7201-co.sh index 6442f710be..d20ed61b48 100755 --- a/t/t7201-co.sh +++ b/t/t7201-co.sh @@ -166,19 +166,31 @@ test_expect_success 'checkout -m with merge conflict' ' ! test -s current ' -test_expect_success 'checkout to detach HEAD' ' +test_expect_success 'checkout to detach HEAD (with advice declined)' ' + git config advice.detachedHead false && git checkout -f renamer && git clean -f && git checkout renamer^ 2>messages && - (cat >messages.expect <<EOF -Note: moving to '\''renamer^'\'' which isn'\''t a local branch -If you want to create a new branch from this checkout, you may do so -(now or later) by using -b with the checkout command again. Example: - git checkout -b <new_branch_name> -HEAD is now at 7329388... Initial A one, A two -EOF -) && - test_cmp messages.expect messages && + grep "HEAD is now at 7329388" messages && + test 1 -eq $(wc -l <messages) && + H=$(git rev-parse --verify HEAD) && + M=$(git show-ref -s --verify refs/heads/master) && + test "z$H" = "z$M" && + if git symbolic-ref HEAD >/dev/null 2>&1 + then + echo "OOPS, HEAD is still symbolic???" + false + else + : happy + fi +' + +test_expect_success 'checkout to detach HEAD' ' + git config advice.detachedHead true && + git checkout -f renamer && git clean -f && + git checkout renamer^ 2>messages && + grep "HEAD is now at 7329388" messages && + test 1 -lt $(wc -l <messages) && H=$(git rev-parse --verify HEAD) && M=$(git show-ref -s --verify refs/heads/master) && test "z$H" = "z$M" && diff --git a/transport.c b/transport.c index 3846aacb47..08e4fa0354 100644 --- a/transport.c +++ b/transport.c @@ -918,6 +918,7 @@ struct transport *transport_get(struct remote *remote, const char *url) if (!remote) die("No remote provided to transport_get()"); + ret->got_remote_refs = 0; ret->remote = remote; helper = remote->foreign_vcs; @@ -1079,8 +1080,10 @@ int transport_push(struct transport *transport, const struct ref *transport_get_remote_refs(struct transport *transport) { - if (!transport->remote_refs) + if (!transport->got_remote_refs) { transport->remote_refs = transport->get_refs_list(transport, 0); + transport->got_remote_refs = 1; + } return transport->remote_refs; } diff --git a/transport.h b/transport.h index 7cea5cc723..6dd9ae182f 100644 --- a/transport.h +++ b/transport.h @@ -20,6 +20,12 @@ struct transport { const struct ref *remote_refs; /** + * Indicates whether we already called get_refs_list(); set by + * transport.c::transport_get_remote_refs(). + */ + unsigned got_remote_refs : 1; + + /** * Returns 0 if successful, positive if the option is not * recognized or is inapplicable, and negative if the option * is applicable but the value is invalid. diff --git a/upload-pack.c b/upload-pack.c index df151813f9..dc464d78b3 100644 --- a/upload-pack.c +++ b/upload-pack.c @@ -105,12 +105,12 @@ static void show_edge(struct commit *commit) fprintf(pack_pipe, "-%s\n", sha1_to_hex(commit->object.sha1)); } -static int do_rev_list(int fd, void *create_full_pack) +static int do_rev_list(int in, int out, void *create_full_pack) { int i; struct rev_info revs; - pack_pipe = xfdopen(fd, "w"); + pack_pipe = xfdopen(out, "w"); init_revisions(&revs, NULL); revs.tag_objects = 1; revs.tree_objects = 1; @@ -162,8 +162,9 @@ static void create_pack_file(void) int arg = 0; if (shallow_nr) { + memset(&rev_list, 0, sizeof(rev_list)); rev_list.proc = do_rev_list; - rev_list.data = 0; + rev_list.out = -1; if (start_async(&rev_list)) die("git upload-pack: unable to fork git-rev-list"); argv[arg++] = "pack-objects"; |