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#define USE_THE_REPOSITORY_VARIABLE
#define DISABLE_SIGN_COMPARE_WARNINGS
#include "builtin.h"
#include "hex.h"
#include "read-cache-ll.h"
#include "run-command.h"
#include "sparse-index.h"
static const char *pgm;
static int one_shot, quiet;
static int err;
static int merge_entry(int pos, const char *path)
{
int found;
const char *arguments[] = { pgm, "", "", "", path, "", "", "", NULL };
char hexbuf[4][GIT_MAX_HEXSZ + 1];
char ownbuf[4][60];
struct child_process cmd = CHILD_PROCESS_INIT;
if (pos >= the_repository->index->cache_nr)
die("git merge-index: %s not in the cache", path);
found = 0;
do {
const struct cache_entry *ce = the_repository->index->cache[pos];
int stage = ce_stage(ce);
if (strcmp(ce->name, path))
break;
found++;
oid_to_hex_r(hexbuf[stage], &ce->oid);
xsnprintf(ownbuf[stage], sizeof(ownbuf[stage]), "%o", ce->ce_mode);
arguments[stage] = hexbuf[stage];
arguments[stage + 4] = ownbuf[stage];
} while (++pos < the_repository->index->cache_nr);
if (!found)
die("git merge-index: %s not in the cache", path);
strvec_pushv(&cmd.args, arguments);
if (run_command(&cmd)) {
if (one_shot)
err++;
else {
if (!quiet)
die("merge program failed");
exit(1);
}
}
return found;
}
static void merge_one_path(const char *path)
{
int pos = index_name_pos(the_repository->index, path, strlen(path));
/*
* If it already exists in the cache as stage0, it's
* already merged and there is nothing to do.
*/
if (pos < 0)
merge_entry(-pos-1, path);
}
static void merge_all(void)
{
int i;
/* TODO: audit for interaction with sparse-index. */
ensure_full_index(the_repository->index);
for (i = 0; i < the_repository->index->cache_nr; i++) {
const struct cache_entry *ce = the_repository->index->cache[i];
if (!ce_stage(ce))
continue;
i += merge_entry(i, ce->name)-1;
}
}
static const char usage_string[] =
"git merge-index [-o] [-q] <merge-program> (-a | [--] [<filename>...])";
int cmd_merge_index(int argc,
const char **argv,
const char *prefix UNUSED,
struct repository *repo UNUSED)
{
int i, force_file = 0;
/* Without this we cannot rely on waitpid() to tell
* what happened to our children.
*/
signal(SIGCHLD, SIG_DFL);
show_usage_if_asked(argc, argv, usage_string);
if (argc < 3)
usage(usage_string);
repo_read_index(the_repository);
/* TODO: audit for interaction with sparse-index. */
ensure_full_index(the_repository->index);
i = 1;
if (!strcmp(argv[i], "-o")) {
one_shot = 1;
i++;
}
if (!strcmp(argv[i], "-q")) {
quiet = 1;
i++;
}
pgm = argv[i++];
for (; i < argc; i++) {
const char *arg = argv[i];
if (!force_file && *arg == '-') {
if (!strcmp(arg, "--")) {
force_file = 1;
continue;
}
if (!strcmp(arg, "-a")) {
merge_all();
continue;
}
die("git merge-index: unknown option %s", arg);
}
merge_one_path(arg);
}
if (err && !quiet)
die("merge program failed");
return err;
}
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