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83 lines
2.2 KiB
83 lines
2.2 KiB
#include "builtin.h" |
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#include "commit.h" |
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#include "tag.h" |
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#include "merge-recursive.h" |
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#include "xdiff-interface.h" |
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static const char builtin_merge_recursive_usage[] = |
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"git %s <base>... -- <head> <remote> ..."; |
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static const char *better_branch_name(const char *branch) |
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{ |
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static char githead_env[8 + GIT_SHA1_HEXSZ + 1]; |
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char *name; |
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if (strlen(branch) != GIT_SHA1_HEXSZ) |
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return branch; |
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xsnprintf(githead_env, sizeof(githead_env), "GITHEAD_%s", branch); |
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name = getenv(githead_env); |
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return name ? name : branch; |
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} |
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int cmd_merge_recursive(int argc, const char **argv, const char *prefix) |
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{ |
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const struct object_id *bases[21]; |
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unsigned bases_count = 0; |
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int i, failed; |
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struct object_id h1, h2; |
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struct merge_options o; |
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struct commit *result; |
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init_merge_options(&o); |
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if (argv[0] && ends_with(argv[0], "-subtree")) |
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o.subtree_shift = ""; |
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if (argc < 4) |
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usagef(builtin_merge_recursive_usage, argv[0]); |
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for (i = 1; i < argc; ++i) { |
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const char *arg = argv[i]; |
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if (starts_with(arg, "--")) { |
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if (!arg[2]) |
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break; |
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if (parse_merge_opt(&o, arg + 2)) |
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die(_("unknown option %s"), arg); |
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continue; |
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} |
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if (bases_count < ARRAY_SIZE(bases)-1) { |
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struct object_id *oid = xmalloc(sizeof(struct object_id)); |
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if (get_oid(argv[i], oid)) |
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die(_("could not parse object '%s'"), argv[i]); |
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bases[bases_count++] = oid; |
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} |
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else |
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warning(Q_("cannot handle more than %d base. " |
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"Ignoring %s.", |
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"cannot handle more than %d bases. " |
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"Ignoring %s.", |
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(int)ARRAY_SIZE(bases)-1), |
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(int)ARRAY_SIZE(bases)-1, argv[i]); |
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} |
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if (argc - i != 3) /* "--" "<head>" "<remote>" */ |
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die(_("not handling anything other than two heads merge.")); |
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o.branch1 = argv[++i]; |
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o.branch2 = argv[++i]; |
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if (get_oid(o.branch1, &h1)) |
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die(_("could not resolve ref '%s'"), o.branch1); |
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if (get_oid(o.branch2, &h2)) |
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die(_("could not resolve ref '%s'"), o.branch2); |
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o.branch1 = better_branch_name(o.branch1); |
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o.branch2 = better_branch_name(o.branch2); |
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if (o.verbosity >= 3) |
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printf(_("Merging %s with %s\n"), o.branch1, o.branch2); |
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failed = merge_recursive_generic(&o, &h1, &h2, bases_count, bases, &result); |
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if (failed < 0) |
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return 128; /* die() error code */ |
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return failed; |
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}
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