73 lines
1.8 KiB
C
73 lines
1.8 KiB
C
#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]) {
|
|
int namelen = strlen(argv[0]);
|
|
if (8 < namelen &&
|
|
!strcmp(argv[0] + namelen - 8, "-subtree"))
|
|
o.subtree_merge = 1;
|
|
}
|
|
|
|
if (argc < 4)
|
|
die("Usage: %s <base>... -- <head> <remote> ...", argv[0]);
|
|
|
|
for (i = 1; i < argc; ++i) {
|
|
if (!strcmp(argv[i], "--"))
|
|
break;
|
|
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 %zu bases. "
|
|
"Ignoring %s.", 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;
|
|
}
|