mirror of
https://github.com/git/git
synced 2024-08-27 11:39:22 +00:00
Merge branch 'jc/unresolve'
* jc/unresolve: git-update-index --unresolve Add git-unresolve <paths>...
This commit is contained in:
commit
cdb63506a0
127
update-index.c
127
update-index.c
|
@ -6,6 +6,7 @@
|
|||
#include "cache.h"
|
||||
#include "strbuf.h"
|
||||
#include "quote.h"
|
||||
#include "tree-walk.h"
|
||||
|
||||
/*
|
||||
* Default to not allowing changes to the list of files. The
|
||||
|
@ -471,6 +472,124 @@ static void read_index_info(int line_termination)
|
|||
static const char update_index_usage[] =
|
||||
"git-update-index [-q] [--add] [--replace] [--remove] [--unmerged] [--refresh] [--cacheinfo] [--chmod=(+|-)x] [--info-only] [--force-remove] [--stdin] [--index-info] [--ignore-missing] [-z] [--verbose] [--] <file>...";
|
||||
|
||||
static unsigned char head_sha1[20];
|
||||
static unsigned char merge_head_sha1[20];
|
||||
|
||||
static struct cache_entry *read_one_ent(const char *which,
|
||||
unsigned char *ent, const char *path,
|
||||
int namelen, int stage)
|
||||
{
|
||||
unsigned mode;
|
||||
unsigned char sha1[20];
|
||||
int size;
|
||||
struct cache_entry *ce;
|
||||
|
||||
if (get_tree_entry(ent, path, sha1, &mode)) {
|
||||
error("%s: not in %s branch.", path, which);
|
||||
return NULL;
|
||||
}
|
||||
if (mode == S_IFDIR) {
|
||||
error("%s: not a blob in %s branch.", path, which);
|
||||
return NULL;
|
||||
}
|
||||
size = cache_entry_size(namelen);
|
||||
ce = xcalloc(1, size);
|
||||
|
||||
memcpy(ce->sha1, sha1, 20);
|
||||
memcpy(ce->name, path, namelen);
|
||||
ce->ce_flags = create_ce_flags(namelen, stage);
|
||||
ce->ce_mode = create_ce_mode(mode);
|
||||
return ce;
|
||||
}
|
||||
|
||||
static int unresolve_one(const char *path)
|
||||
{
|
||||
int namelen = strlen(path);
|
||||
int pos;
|
||||
int ret = 0;
|
||||
struct cache_entry *ce_2 = NULL, *ce_3 = NULL;
|
||||
|
||||
/* See if there is such entry in the index. */
|
||||
pos = cache_name_pos(path, namelen);
|
||||
if (pos < 0) {
|
||||
/* If there isn't, either it is unmerged, or
|
||||
* resolved as "removed" by mistake. We do not
|
||||
* want to do anything in the former case.
|
||||
*/
|
||||
pos = -pos-1;
|
||||
if (pos < active_nr) {
|
||||
struct cache_entry *ce = active_cache[pos];
|
||||
if (ce_namelen(ce) == namelen &&
|
||||
!memcmp(ce->name, path, namelen)) {
|
||||
fprintf(stderr,
|
||||
"%s: skipping still unmerged path.\n",
|
||||
path);
|
||||
goto free_return;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* Grab blobs from given path from HEAD and MERGE_HEAD,
|
||||
* stuff HEAD version in stage #2,
|
||||
* stuff MERGE_HEAD version in stage #3.
|
||||
*/
|
||||
ce_2 = read_one_ent("our", head_sha1, path, namelen, 2);
|
||||
ce_3 = read_one_ent("their", merge_head_sha1, path, namelen, 3);
|
||||
|
||||
if (!ce_2 || !ce_3) {
|
||||
ret = -1;
|
||||
goto free_return;
|
||||
}
|
||||
if (!memcmp(ce_2->sha1, ce_3->sha1, 20) &&
|
||||
ce_2->ce_mode == ce_3->ce_mode) {
|
||||
fprintf(stderr, "%s: identical in both, skipping.\n",
|
||||
path);
|
||||
goto free_return;
|
||||
}
|
||||
|
||||
remove_file_from_cache(path);
|
||||
if (add_cache_entry(ce_2, ADD_CACHE_OK_TO_ADD)) {
|
||||
error("%s: cannot add our version to the index.", path);
|
||||
ret = -1;
|
||||
goto free_return;
|
||||
}
|
||||
if (!add_cache_entry(ce_3, ADD_CACHE_OK_TO_ADD))
|
||||
return 0;
|
||||
error("%s: cannot add their version to the index.", path);
|
||||
ret = -1;
|
||||
free_return:
|
||||
free(ce_2);
|
||||
free(ce_3);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static void read_head_pointers(void)
|
||||
{
|
||||
if (read_ref(git_path("HEAD"), head_sha1))
|
||||
die("No HEAD -- no initial commit yet?\n");
|
||||
if (read_ref(git_path("MERGE_HEAD"), merge_head_sha1)) {
|
||||
fprintf(stderr, "Not in the middle of a merge.\n");
|
||||
exit(0);
|
||||
}
|
||||
}
|
||||
|
||||
static int do_unresolve(int ac, const char **av)
|
||||
{
|
||||
int i;
|
||||
int err = 0;
|
||||
|
||||
/* Read HEAD and MERGE_HEAD; if MERGE_HEAD does not exist, we
|
||||
* are not doing a merge, so exit with success status.
|
||||
*/
|
||||
read_head_pointers();
|
||||
|
||||
for (i = 1; i < ac; i++) {
|
||||
const char *arg = av[i];
|
||||
err |= unresolve_one(arg);
|
||||
}
|
||||
return err;
|
||||
}
|
||||
|
||||
int main(int argc, const char **argv)
|
||||
{
|
||||
int i, newfd, entries, has_errors = 0, line_termination = '\n';
|
||||
|
@ -581,6 +700,12 @@ int main(int argc, const char **argv)
|
|||
read_index_info(line_termination);
|
||||
break;
|
||||
}
|
||||
if (!strcmp(path, "--unresolve")) {
|
||||
has_errors = do_unresolve(argc - i, argv + i);
|
||||
if (has_errors)
|
||||
active_cache_changed = 0;
|
||||
goto finish;
|
||||
}
|
||||
if (!strcmp(path, "--ignore-missing")) {
|
||||
not_new = 1;
|
||||
continue;
|
||||
|
@ -612,6 +737,8 @@ int main(int argc, const char **argv)
|
|||
free(path_name);
|
||||
}
|
||||
}
|
||||
|
||||
finish:
|
||||
if (active_cache_changed) {
|
||||
if (write_cache(newfd, active_cache, active_nr) ||
|
||||
commit_index_file(&cache_file))
|
||||
|
|
Loading…
Reference in a new issue