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-rw-r--r--builtin/update-index.c121
1 files changed, 27 insertions, 94 deletions
diff --git a/builtin/update-index.c b/builtin/update-index.c
index aee3cb8cbd..7bcaa1476c 100644
--- a/builtin/update-index.c
+++ b/builtin/update-index.c
@@ -609,9 +609,6 @@ static const char * const update_index_usage[] = {
NULL
};
-static struct object_id head_oid;
-static struct object_id merge_head_oid;
-
static struct cache_entry *read_one_ent(const char *which,
struct object_id *ent, const char *path,
int namelen, int stage)
@@ -642,84 +639,17 @@ static struct cache_entry *read_one_ent(const char *which,
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 = index_name_pos(&the_index, path, namelen);
- if (0 <= pos) {
- /* already merged */
- pos = unmerge_index_entry_at(&the_index, pos);
- if (pos < the_index.cache_nr) {
- const struct cache_entry *ce = the_index.cache[pos];
- if (ce_stage(ce) &&
- ce_namelen(ce) == namelen &&
- !memcmp(ce->name, path, namelen))
- return 0;
- }
- /* no resolve-undo information; fall back */
- } else {
- /* 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 < the_index.cache_nr) {
- const struct cache_entry *ce = the_index.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_oid, path, namelen, 2);
- ce_3 = read_one_ent("their", &merge_head_oid, path, namelen, 3);
-
- if (!ce_2 || !ce_3) {
- ret = -1;
- goto free_return;
- }
- if (oideq(&ce_2->oid, &ce_3->oid) &&
- ce_2->ce_mode == ce_3->ce_mode) {
- fprintf(stderr, "%s: identical in both, skipping.\n",
- path);
- goto free_return;
- }
-
- remove_file_from_index(&the_index, path);
- if (add_index_entry(&the_index, ce_2, ADD_CACHE_OK_TO_ADD)) {
- error("%s: cannot add our version to the index.", path);
- ret = -1;
- goto free_return;
- }
- if (!add_index_entry(&the_index, ce_3, ADD_CACHE_OK_TO_ADD))
- return 0;
- error("%s: cannot add their version to the index.", path);
- ret = -1;
- free_return:
- discard_cache_entry(ce_2);
- discard_cache_entry(ce_3);
- return ret;
-}
-
-static void read_head_pointers(void)
-{
- if (read_ref("HEAD", &head_oid))
- die("No HEAD -- no initial commit yet?");
- if (read_ref("MERGE_HEAD", &merge_head_oid)) {
- fprintf(stderr, "Not in the middle of a merge.\n");
- exit(0);
- }
+ struct string_list_item *item;
+ int res = 0;
+
+ if (!the_index.resolve_undo)
+ return res;
+ item = string_list_lookup(the_index.resolve_undo, path);
+ if (!item)
+ return res; /* no resolve-undo record for the path */
+ res = unmerge_index_entry(&the_index, path, item->util, 0);
+ FREE_AND_NULL(item->util);
+ return res;
}
static int do_unresolve(int ac, const char **av,
@@ -728,11 +658,6 @@ 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];
char *p = prefix_path(prefix, prefix_length, arg);
@@ -751,6 +676,7 @@ static int do_reupdate(const char **paths,
int pos;
int has_head = 1;
struct pathspec pathspec;
+ struct object_id head_oid;
parse_pathspec(&pathspec, 0,
PATHSPEC_PREFER_CWD,
@@ -856,7 +782,7 @@ static int chmod_callback(const struct option *opt,
return 0;
}
-static int resolve_undo_clear_callback(const struct option *opt,
+static int resolve_undo_clear_callback(const struct option *opt UNUSED,
const char *arg, int unset)
{
BUG_ON_OPT_NEG(unset);
@@ -890,7 +816,7 @@ static int parse_new_style_cacheinfo(const char *arg,
}
static enum parse_opt_result cacheinfo_callback(
- struct parse_opt_ctx_t *ctx, const struct option *opt,
+ struct parse_opt_ctx_t *ctx, const struct option *opt UNUSED,
const char *arg, int unset)
{
struct object_id oid;
@@ -1090,6 +1016,8 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
resolve_undo_clear_callback),
OPT_INTEGER(0, "index-version", &preferred_index_format,
N_("write index in this format")),
+ OPT_SET_INT(0, "show-index-version", &preferred_index_format,
+ N_("report on-disk index format version"), -1),
OPT_BOOL(0, "split-index", &split_index,
N_("enable or disable split index")),
OPT_BOOL(0, "untracked-cache", &untracked_cache,
@@ -1182,15 +1110,20 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
getline_fn = nul_term_line ? strbuf_getline_nul : strbuf_getline_lf;
if (preferred_index_format) {
- if (preferred_index_format < INDEX_FORMAT_LB ||
- INDEX_FORMAT_UB < preferred_index_format)
+ if (preferred_index_format < 0) {
+ printf(_("%d\n"), the_index.version);
+ } else if (preferred_index_format < INDEX_FORMAT_LB ||
+ INDEX_FORMAT_UB < preferred_index_format) {
die("index-version %d not in range: %d..%d",
preferred_index_format,
INDEX_FORMAT_LB, INDEX_FORMAT_UB);
-
- if (the_index.version != preferred_index_format)
- the_index.cache_changed |= SOMETHING_CHANGED;
- the_index.version = preferred_index_format;
+ } else {
+ if (the_index.version != preferred_index_format)
+ the_index.cache_changed |= SOMETHING_CHANGED;
+ report(_("index-version: was %d, set to %d"),
+ the_index.version, preferred_index_format);
+ the_index.version = preferred_index_format;
+ }
}
if (read_from_stdin) {
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-05-29 19:15:57 +0000