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authorJunio C Hamano <gitster@pobox.com>2011-07-06 15:38:28 -0700
committerJunio C Hamano <gitster@pobox.com>2011-07-06 15:38:28 -0700
commit25d33546d474c7c28b72013c262fc23337cb3b21 (patch)
tree7551eb457a33329be6b3bb0fc11f76118a6e2c42 /builtin/merge-recursive.c
parent71ee7fd15457a0252c089420b5b66de266dcbd2f (diff)
parentf696543dad6c7ba27b0c4fab167a5687263a9ba0 (diff)
downloadgit-25d33546d474c7c28b72013c262fc23337cb3b21.tar.gz
Merge commit 'v1.7.6' into jc/checkout-reflog-fix
* commit 'v1.7.6': (3211 commits) Git 1.7.6 completion: replace core.abbrevguard to core.abbrev Git 1.7.6-rc3 Documentation: git diff --check respects core.whitespace gitweb: 'pickaxe' and 'grep' features requires 'search' to be enabled t7810: avoid unportable use of "echo" plug a few coverity-spotted leaks builtin/gc.c: add missing newline in message tests: link shell libraries into valgrind directory t/Makefile: pass test opts to valgrind target properly sh-i18n--envsubst.c: do not #include getopt.h Fix typo: existant->existent Git 1.7.6-rc2 gitweb: do not misparse nonnumeric content tag files that contain a digit Git 1.7.6-rc1 fetch: do not leak a refspec t3703: skip more tests using colons in file names on Windows gitweb: Fix usability of $prevent_xss gitweb: Move "Requirements" up in gitweb/INSTALL gitweb: Describe CSSMIN and JSMIN in gitweb/INSTALL ...
Diffstat (limited to 'builtin/merge-recursive.c')
-rw-r--r--builtin/merge-recursive.c80
1 files changed, 80 insertions, 0 deletions
diff --git a/builtin/merge-recursive.c b/builtin/merge-recursive.c
new file mode 100644
index 0000000000..3a64f5d0bd
--- /dev/null
+++ b/builtin/merge-recursive.c
@@ -0,0 +1,80 @@
+#include "builtin.h"
+#include "commit.h"
+#include "tag.h"
+#include "merge-recursive.h"
+#include "xdiff-interface.h"
+
+static const char builtin_merge_recursive_usage[] =
+ "git %s <base>... -- <head> <remote> ...";
+
+static const char *better_branch_name(const char *branch)
+{
+ static char githead_env[8 + 40 + 1];
+ char *name;
+
+ if (strlen(branch) != 40)
+ return branch;
+ sprintf(githead_env, "GITHEAD_%s", branch);
+ name = getenv(githead_env);
+ return name ? name : branch;
+}
+
+int cmd_merge_recursive(int argc, const char **argv, const char *prefix)
+{
+ const unsigned char *bases[21];
+ unsigned bases_count = 0;
+ int i, failed;
+ unsigned char h1[20], h2[20];
+ struct merge_options o;
+ struct commit *result;
+
+ init_merge_options(&o);
+ if (argv[0] && !suffixcmp(argv[0], "-subtree"))
+ o.subtree_shift = "";
+
+ if (argc < 4)
+ usagef(builtin_merge_recursive_usage, argv[0]);
+
+ for (i = 1; i < argc; ++i) {
+ const char *arg = argv[i];
+
+ if (!prefixcmp(arg, "--")) {
+ if (!arg[2])
+ break;
+ if (parse_merge_opt(&o, arg + 2))
+ die("Unknown option %s", arg);
+ continue;
+ }
+ if (bases_count < ARRAY_SIZE(bases)-1) {
+ unsigned char *sha = xmalloc(20);
+ if (get_sha1(argv[i], sha))
+ die("Could not parse object '%s'", argv[i]);
+ bases[bases_count++] = sha;
+ }
+ else
+ warning("Cannot handle more than %d bases. "
+ "Ignoring %s.",
+ (int)ARRAY_SIZE(bases)-1, argv[i]);
+ }
+ if (argc - i != 3) /* "--" "<head>" "<remote>" */
+ die("Not handling anything other than two heads merge.");
+
+ o.branch1 = argv[++i];
+ o.branch2 = argv[++i];
+
+ if (get_sha1(o.branch1, h1))
+ die("Could not resolve ref '%s'", o.branch1);
+ if (get_sha1(o.branch2, h2))
+ die("Could not resolve ref '%s'", o.branch2);
+
+ o.branch1 = better_branch_name(o.branch1);
+ o.branch2 = better_branch_name(o.branch2);
+
+ if (o.verbosity >= 3)
+ printf("Merging %s with %s\n", o.branch1, o.branch2);
+
+ failed = merge_recursive_generic(&o, h1, h2, bases_count, bases, &result);
+ if (failed < 0)
+ return 128; /* die() error code */
+ return failed;
+}