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authorJunio C Hamano <gitster@pobox.com>2010-07-08 18:55:50 -0700
committerJunio C Hamano <gitster@pobox.com>2010-07-08 18:55:50 -0700
commit037c43c68e220739e690540de89a6d5835fefe73 (patch)
tree3e201f833fc63e48db6983e45ce2425d884408db /builtin/merge-recursive.c
parentb1f47514f207b0601de7b0936cf13b3c0ae70081 (diff)
parent9918285fb10d81af9021dae99c5f4de88ded497c (diff)
downloadgit-037c43c68e220739e690540de89a6d5835fefe73.tar.gz
Merge remote branch 'ko/master' into jc/read-tree-cache-tree-fix
* ko/master: (2325 commits) Git 1.7.2-rc2 backmerge a few more fixes to 1.7.1.X series fix git branch -m in presence of cross devices t/t0006: specify timezone as EST5 not EST to comply with POSIX add missing && to submodule-merge testcase t/README: document more test helpers test-date: fix sscanf type conversion xdiff: optimise for no whitespace difference when ignoring whitespace. gitweb: Move evaluate_gitweb_config out of run_request parse_date: fix signedness in timezone calculation t0006: test timezone parsing rerere.txt: Document forget subcommand t/README: proposed rewording... t/README: Document the do's and don'ts of tests t/README: Add a section about skipping tests t/README: Document test_expect_code t/README: Document test_external* t/README: Document the prereq functions, and 3-arg test_* t/README: Typo: paralell -> parallel t/README: The trash is in 't/trash directory.$name' ... Conflicts: builtin-read-tree.c
Diffstat (limited to 'builtin/merge-recursive.c')
-rw-r--r--builtin/merge-recursive.c84
1 files changed, 84 insertions, 0 deletions
diff --git a/builtin/merge-recursive.c b/builtin/merge-recursive.c
new file mode 100644
index 0000000000..d8875d5892
--- /dev/null
+++ b/builtin/merge-recursive.c
@@ -0,0 +1,84 @@
+#include "cache.h"
+#include "commit.h"
+#include "tag.h"
+#include "merge-recursive.h"
+
+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("%s <base>... -- <head> <remote> ...", argv[0]);
+
+ for (i = 1; i < argc; ++i) {
+ const char *arg = argv[i];
+
+ if (!prefixcmp(arg, "--")) {
+ if (!arg[2])
+ break;
+ if (!strcmp(arg+2, "ours"))
+ o.recursive_variant = MERGE_RECURSIVE_OURS;
+ else if (!strcmp(arg+2, "theirs"))
+ o.recursive_variant = MERGE_RECURSIVE_THEIRS;
+ else if (!strcmp(arg+2, "subtree"))
+ o.subtree_shift = "";
+ else if (!prefixcmp(arg+2, "subtree="))
+ o.subtree_shift = arg + 10;
+ else
+ 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;
+}