mirror of
https://github.com/git/git.git
synced 2024-11-24 10:26:17 +08:00
db699a8a1f
These functions are called in sequencer.c, which is part of libgit.a. This makes libgit.a potentially require builtin/merge.c for external git commands. Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Jeff King <peff@peff.net>
113 lines
2.8 KiB
C
113 lines
2.8 KiB
C
#include "cache.h"
|
|
#include "commit.h"
|
|
#include "run-command.h"
|
|
#include "resolve-undo.h"
|
|
#include "tree-walk.h"
|
|
#include "unpack-trees.h"
|
|
#include "dir.h"
|
|
|
|
static const char *merge_argument(struct commit *commit)
|
|
{
|
|
if (commit)
|
|
return sha1_to_hex(commit->object.sha1);
|
|
else
|
|
return EMPTY_TREE_SHA1_HEX;
|
|
}
|
|
|
|
int try_merge_command(const char *strategy, size_t xopts_nr,
|
|
const char **xopts, struct commit_list *common,
|
|
const char *head_arg, struct commit_list *remotes)
|
|
{
|
|
const char **args;
|
|
int i = 0, x = 0, ret;
|
|
struct commit_list *j;
|
|
struct strbuf buf = STRBUF_INIT;
|
|
|
|
args = xmalloc((4 + xopts_nr + commit_list_count(common) +
|
|
commit_list_count(remotes)) * sizeof(char *));
|
|
strbuf_addf(&buf, "merge-%s", strategy);
|
|
args[i++] = buf.buf;
|
|
for (x = 0; x < xopts_nr; x++) {
|
|
char *s = xmalloc(strlen(xopts[x])+2+1);
|
|
strcpy(s, "--");
|
|
strcpy(s+2, xopts[x]);
|
|
args[i++] = s;
|
|
}
|
|
for (j = common; j; j = j->next)
|
|
args[i++] = xstrdup(merge_argument(j->item));
|
|
args[i++] = "--";
|
|
args[i++] = head_arg;
|
|
for (j = remotes; j; j = j->next)
|
|
args[i++] = xstrdup(merge_argument(j->item));
|
|
args[i] = NULL;
|
|
ret = run_command_v_opt(args, RUN_GIT_CMD);
|
|
strbuf_release(&buf);
|
|
i = 1;
|
|
for (x = 0; x < xopts_nr; x++)
|
|
free((void *)args[i++]);
|
|
for (j = common; j; j = j->next)
|
|
free((void *)args[i++]);
|
|
i += 2;
|
|
for (j = remotes; j; j = j->next)
|
|
free((void *)args[i++]);
|
|
free(args);
|
|
discard_cache();
|
|
if (read_cache() < 0)
|
|
die(_("failed to read the cache"));
|
|
resolve_undo_clear();
|
|
|
|
return ret;
|
|
}
|
|
|
|
int checkout_fast_forward(const unsigned char *head,
|
|
const unsigned char *remote,
|
|
int overwrite_ignore)
|
|
{
|
|
struct tree *trees[MAX_UNPACK_TREES];
|
|
struct unpack_trees_options opts;
|
|
struct tree_desc t[MAX_UNPACK_TREES];
|
|
int i, fd, nr_trees = 0;
|
|
struct dir_struct dir;
|
|
struct lock_file *lock_file = xcalloc(1, sizeof(struct lock_file));
|
|
|
|
refresh_cache(REFRESH_QUIET);
|
|
|
|
fd = hold_locked_index(lock_file, 1);
|
|
|
|
memset(&trees, 0, sizeof(trees));
|
|
memset(&opts, 0, sizeof(opts));
|
|
memset(&t, 0, sizeof(t));
|
|
if (overwrite_ignore) {
|
|
memset(&dir, 0, sizeof(dir));
|
|
dir.flags |= DIR_SHOW_IGNORED;
|
|
setup_standard_excludes(&dir);
|
|
opts.dir = &dir;
|
|
}
|
|
|
|
opts.head_idx = 1;
|
|
opts.src_index = &the_index;
|
|
opts.dst_index = &the_index;
|
|
opts.update = 1;
|
|
opts.verbose_update = 1;
|
|
opts.merge = 1;
|
|
opts.fn = twoway_merge;
|
|
setup_unpack_trees_porcelain(&opts, "merge");
|
|
|
|
trees[nr_trees] = parse_tree_indirect(head);
|
|
if (!trees[nr_trees++])
|
|
return -1;
|
|
trees[nr_trees] = parse_tree_indirect(remote);
|
|
if (!trees[nr_trees++])
|
|
return -1;
|
|
for (i = 0; i < nr_trees; i++) {
|
|
parse_tree(trees[i]);
|
|
init_tree_desc(t+i, trees[i]->buffer, trees[i]->size);
|
|
}
|
|
if (unpack_trees(nr_trees, t, &opts))
|
|
return -1;
|
|
if (write_cache(fd, active_cache, active_nr) ||
|
|
commit_locked_index(lock_file))
|
|
die(_("unable to write new index file"));
|
|
return 0;
|
|
}
|