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-rw-r--r--builtin/update-index.c258
1 files changed, 101 insertions, 157 deletions
diff --git a/builtin/update-index.c b/builtin/update-index.c
index b62249905f..20aa1c4c68 100644
--- a/builtin/update-index.c
+++ b/builtin/update-index.c
@@ -3,22 +3,32 @@
*
* Copyright (C) Linus Torvalds, 2005
*/
-#define USE_THE_INDEX_COMPATIBILITY_MACROS
-#include "cache.h"
+
+#include "builtin.h"
#include "bulk-checkin.h"
#include "config.h"
+#include "environment.h"
+#include "gettext.h"
+#include "hash.h"
+#include "hex.h"
#include "lockfile.h"
#include "quote.h"
#include "cache-tree.h"
#include "tree-walk.h"
-#include "builtin.h"
+#include "object-file.h"
#include "refs.h"
#include "resolve-undo.h"
#include "parse-options.h"
#include "pathspec.h"
#include "dir.h"
+#include "read-cache.h"
+#include "repository.h"
+#include "setup.h"
+#include "sparse-index.h"
#include "split-index.h"
+#include "symlinks.h"
#include "fsmonitor.h"
+#include "write-or-die.h"
/*
* Default to not allowing changes to the list of files. The
@@ -237,16 +247,16 @@ done:
static int mark_ce_flags(const char *path, int flag, int mark)
{
int namelen = strlen(path);
- int pos = cache_name_pos(path, namelen);
+ int pos = index_name_pos(the_repository->index, path, namelen);
if (0 <= pos) {
- mark_fsmonitor_invalid(&the_index, active_cache[pos]);
+ mark_fsmonitor_invalid(the_repository->index, the_repository->index->cache[pos]);
if (mark)
- active_cache[pos]->ce_flags |= flag;
+ the_repository->index->cache[pos]->ce_flags |= flag;
else
- active_cache[pos]->ce_flags &= ~flag;
- active_cache[pos]->ce_flags |= CE_UPDATE_IN_BASE;
- cache_tree_invalidate_path(&the_index, path);
- active_cache_changed |= CE_ENTRY_CHANGED;
+ the_repository->index->cache[pos]->ce_flags &= ~flag;
+ the_repository->index->cache[pos]->ce_flags |= CE_UPDATE_IN_BASE;
+ cache_tree_invalidate_path(the_repository->index, path);
+ the_repository->index->cache_changed |= CE_ENTRY_CHANGED;
return 0;
}
return -1;
@@ -256,7 +266,7 @@ static int remove_one_path(const char *path)
{
if (!allow_remove)
return error("%s: does not exist and --remove not passed", path);
- if (remove_file_from_cache(path))
+ if (remove_file_from_index(the_repository->index, path))
return error("%s: cannot remove from the index", path);
return 0;
}
@@ -281,24 +291,24 @@ static int add_one_path(const struct cache_entry *old, const char *path, int len
struct cache_entry *ce;
/* Was the old index entry already up-to-date? */
- if (old && !ce_stage(old) && !ce_match_stat(old, st, 0))
+ if (old && !ce_stage(old) && !ie_match_stat(the_repository->index, old, st, 0))
return 0;
- ce = make_empty_cache_entry(&the_index, len);
+ ce = make_empty_cache_entry(the_repository->index, len);
memcpy(ce->name, path, len);
ce->ce_flags = create_ce_flags(0);
ce->ce_namelen = len;
- fill_stat_cache_info(&the_index, ce, st);
+ fill_stat_cache_info(the_repository->index, ce, st);
ce->ce_mode = ce_mode_from_stat(old, st->st_mode);
- if (index_path(&the_index, &ce->oid, path, st,
+ if (index_path(the_repository->index, &ce->oid, path, st,
info_only ? 0 : HASH_WRITE_OBJECT)) {
discard_cache_entry(ce);
return -1;
}
option = allow_add ? ADD_CACHE_OK_TO_ADD : 0;
option |= allow_replace ? ADD_CACHE_OK_TO_REPLACE : 0;
- if (add_cache_entry(ce, option)) {
+ if (add_index_entry(the_repository->index, ce, option)) {
discard_cache_entry(ce);
return error("%s: cannot add to the index - missing --add option?", path);
}
@@ -331,11 +341,11 @@ static int add_one_path(const struct cache_entry *old, const char *path, int len
static int process_directory(const char *path, int len, struct stat *st)
{
struct object_id oid;
- int pos = cache_name_pos(path, len);
+ int pos = index_name_pos(the_repository->index, path, len);
/* Exact match: file or existing gitlink */
if (pos >= 0) {
- const struct cache_entry *ce = active_cache[pos];
+ const struct cache_entry *ce = the_repository->index->cache[pos];
if (S_ISGITLINK(ce->ce_mode)) {
/* Do nothing to the index if there is no HEAD! */
@@ -350,8 +360,8 @@ static int process_directory(const char *path, int len, struct stat *st)
/* Inexact match: is there perhaps a subdirectory match? */
pos = -pos-1;
- while (pos < active_nr) {
- const struct cache_entry *ce = active_cache[pos++];
+ while (pos < the_repository->index->cache_nr) {
+ const struct cache_entry *ce = the_repository->index->cache[pos++];
if (strncmp(ce->name, path, len))
break;
@@ -381,8 +391,8 @@ static int process_path(const char *path, struct stat *st, int stat_errno)
if (has_symlink_leading_path(path, len))
return error("'%s' is beyond a symbolic link", path);
- pos = cache_name_pos(path, len);
- ce = pos < 0 ? NULL : active_cache[pos];
+ pos = index_name_pos(the_repository->index, path, len);
+ ce = pos < 0 ? NULL : the_repository->index->cache[pos];
if (ce && ce_skip_worktree(ce)) {
/*
* working directory version is assumed "good"
@@ -390,7 +400,7 @@ static int process_path(const char *path, struct stat *st, int stat_errno)
* On the other hand, removing it from index should work
*/
if (!ignore_skip_worktree_entries && allow_remove &&
- remove_file_from_cache(path))
+ remove_file_from_index(the_repository->index, path))
return error("%s: cannot remove from the index", path);
return 0;
}
@@ -418,7 +428,7 @@ static int add_cacheinfo(unsigned int mode, const struct object_id *oid,
return error("Invalid path '%s'", path);
len = strlen(path);
- ce = make_empty_cache_entry(&the_index, len);
+ ce = make_empty_cache_entry(the_repository->index, len);
oidcpy(&ce->oid, oid);
memcpy(ce->name, path, len);
@@ -429,7 +439,7 @@ static int add_cacheinfo(unsigned int mode, const struct object_id *oid,
ce->ce_flags |= CE_VALID;
option = allow_add ? ADD_CACHE_OK_TO_ADD : 0;
option |= allow_replace ? ADD_CACHE_OK_TO_REPLACE : 0;
- if (add_cache_entry(ce, option))
+ if (add_index_entry(the_repository->index, ce, option))
return error("%s: cannot add to the index - missing --add option?",
path);
report("add '%s'", path);
@@ -441,11 +451,11 @@ static void chmod_path(char flip, const char *path)
int pos;
struct cache_entry *ce;
- pos = cache_name_pos(path, strlen(path));
+ pos = index_name_pos(the_repository->index, path, strlen(path));
if (pos < 0)
goto fail;
- ce = active_cache[pos];
- if (chmod_cache_entry(ce, flip) < 0)
+ ce = the_repository->index->cache[pos];
+ if (chmod_index_entry(the_repository->index, ce, flip) < 0)
goto fail;
report("chmod %cx '%s'", flip, path);
@@ -488,7 +498,7 @@ static void update_one(const char *path)
}
if (force_remove) {
- if (remove_file_from_cache(path))
+ if (remove_file_from_index(the_repository->index, path))
die("git update-index: unable to remove %s", path);
report("remove '%s'", path);
return;
@@ -571,7 +581,7 @@ static void read_index_info(int nul_term_line)
if (!mode) {
/* mode == 0 means there is no such path -- remove */
- if (remove_file_from_cache(path_name))
+ if (remove_file_from_index(the_repository->index, path_name))
die("git update-index: unable to remove %s",
ptr);
}
@@ -599,9 +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)
@@ -615,12 +622,12 @@ static struct cache_entry *read_one_ent(const char *which,
error("%s: not in %s branch.", path, which);
return NULL;
}
- if (!the_index.sparse_index && mode == S_IFDIR) {
+ if (!the_repository->index->sparse_index && mode == S_IFDIR) {
if (which)
error("%s: not a blob in %s branch.", path, which);
return NULL;
}
- ce = make_empty_cache_entry(&the_index, namelen);
+ ce = make_empty_cache_entry(the_repository->index, namelen);
oidcpy(&ce->oid, &oid);
memcpy(ce->name, path, namelen);
@@ -632,84 +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 = cache_name_pos(path, namelen);
- if (0 <= pos) {
- /* already merged */
- pos = unmerge_cache_entry_at(pos);
- if (pos < active_nr) {
- const struct cache_entry *ce = active_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 < active_nr) {
- const 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_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_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:
- 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_repository->index->resolve_undo)
+ return res;
+ item = string_list_lookup(the_repository->index->resolve_undo, path);
+ if (!item)
+ return res; /* no resolve-undo record for the path */
+ res = unmerge_index_entry(the_repository->index, path, item->util, 0);
+ FREE_AND_NULL(item->util);
+ return res;
}
static int do_unresolve(int ac, const char **av,
@@ -718,11 +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);
@@ -732,7 +667,7 @@ static int do_unresolve(int ac, const char **av,
return err;
}
-static int do_reupdate(int ac, const char **av,
+static int do_reupdate(const char **paths,
const char *prefix)
{
/* Read HEAD and run update-index on paths that are
@@ -741,24 +676,25 @@ static int do_reupdate(int ac, const char **av,
int pos;
int has_head = 1;
struct pathspec pathspec;
+ struct object_id head_oid;
parse_pathspec(&pathspec, 0,
PATHSPEC_PREFER_CWD,
- prefix, av + 1);
+ prefix, paths);
- if (read_ref("HEAD", &head_oid))
+ if (refs_read_ref(get_main_ref_store(the_repository), "HEAD", &head_oid))
/* If there is no HEAD, that means it is an initial
* commit. Update everything in the index.
*/
has_head = 0;
redo:
- for (pos = 0; pos < active_nr; pos++) {
- const struct cache_entry *ce = active_cache[pos];
+ for (pos = 0; pos < the_repository->index->cache_nr; pos++) {
+ const struct cache_entry *ce = the_repository->index->cache[pos];
struct cache_entry *old = NULL;
int save_nr;
char *path;
- if (ce_stage(ce) || !ce_path_match(&the_index, ce, &pathspec, NULL))
+ if (ce_stage(ce) || !ce_path_match(the_repository->index, ce, &pathspec, NULL))
continue;
if (has_head)
old = read_one_ent(NULL, &head_oid,
@@ -774,7 +710,7 @@ static int do_reupdate(int ac, const char **av,
* to process each path individually
*/
if (S_ISSPARSEDIR(ce->ce_mode)) {
- ensure_full_index(&the_index);
+ ensure_full_index(the_repository->index);
goto redo;
}
@@ -782,12 +718,12 @@ static int do_reupdate(int ac, const char **av,
* path anymore, in which case, under 'allow_remove',
* or worse yet 'allow_replace', active_nr may decrease.
*/
- save_nr = active_nr;
+ save_nr = the_repository->index->cache_nr;
path = xstrdup(ce->name);
update_one(path);
free(path);
discard_cache_entry(old);
- if (save_nr != active_nr)
+ if (save_nr != the_repository->index->cache_nr)
goto redo;
}
clear_pathspec(&pathspec);
@@ -802,18 +738,19 @@ struct refresh_params {
static int refresh(struct refresh_params *o, unsigned int flag)
{
setup_work_tree();
- read_cache();
- *o->has_errors |= refresh_cache(o->flags | flag);
- if (has_racy_timestamp(&the_index)) {
+ repo_read_index(the_repository);
+ *o->has_errors |= refresh_index(the_repository->index, o->flags | flag, NULL,
+ NULL, NULL);
+ if (has_racy_timestamp(the_repository->index)) {
/*
* Even if nothing else has changed, updating the file
* increases the chance that racy timestamps become
* non-racy, helping future run-time performance.
* We do that even in case of "errors" returned by
- * refresh_cache() as these are no actual errors.
+ * refresh_index() as these are no actual errors.
* cmd_status() does the same.
*/
- active_cache_changed |= SOMETHING_CHANGED;
+ the_repository->index->cache_changed |= SOMETHING_CHANGED;
}
return 0;
}
@@ -845,12 +782,12 @@ 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);
BUG_ON_OPT_ARG(arg);
- resolve_undo_clear();
+ resolve_undo_clear_index(the_repository->index);
return 0;
}
@@ -879,7 +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;
@@ -951,7 +888,7 @@ static enum parse_opt_result unresolve_callback(
*has_errors = do_unresolve(ctx->argc, ctx->argv,
prefix, prefix ? strlen(prefix) : 0);
if (*has_errors)
- active_cache_changed = 0;
+ the_repository->index->cache_changed = 0;
ctx->argv += ctx->argc - 1;
ctx->argc = 1;
@@ -970,9 +907,9 @@ static enum parse_opt_result reupdate_callback(
/* consume remaining arguments. */
setup_work_tree();
- *has_errors = do_reupdate(ctx->argc, ctx->argv, prefix);
+ *has_errors = do_reupdate(ctx->argv + 1, prefix);
if (*has_errors)
- active_cache_changed = 0;
+ the_repository->index->cache_changed = 0;
ctx->argv += ctx->argc - 1;
ctx->argc = 1;
@@ -1079,6 +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,
@@ -1109,15 +1048,15 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
the_repository->settings.command_requires_full_index = 0;
/* we will diagnose later if it turns out that we need to update it */
- newfd = hold_locked_index(&lock_file, 0);
+ newfd = repo_hold_locked_index(the_repository, &lock_file, 0);
if (newfd < 0)
lock_error = errno;
- entries = read_cache();
+ entries = repo_read_index(the_repository);
if (entries < 0)
die("cache corrupted");
- the_index.updated_skipworktree = 1;
+ the_repository->index->updated_skipworktree = 1;
/*
* Custom copy of parse_options() because we want to handle
@@ -1171,15 +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_repository->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)
- active_cache_changed |= SOMETHING_CHANGED;
- the_index.version = preferred_index_format;
+ } else {
+ if (the_repository->index->version != preferred_index_format)
+ the_repository->index->cache_changed |= SOMETHING_CHANGED;
+ report(_("index-version: was %d, set to %d"),
+ the_repository->index->version, preferred_index_format);
+ the_repository->index->version = preferred_index_format;
+ }
}
if (read_from_stdin) {
@@ -1215,16 +1159,16 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
warning(_("core.splitIndex is set to false; "
"remove or change it, if you really want to "
"enable split index"));
- if (the_index.split_index)
- the_index.cache_changed |= SPLIT_INDEX_ORDERED;
+ if (the_repository->index->split_index)
+ the_repository->index->cache_changed |= SPLIT_INDEX_ORDERED;
else
- add_split_index(&the_index);
+ add_split_index(the_repository->index);
} else if (!split_index) {
if (git_config_get_split_index() == 1)
warning(_("core.splitIndex is set to true; "
"remove or change it, if you really want to "
"disable split index"));
- remove_split_index(&the_index);
+ remove_split_index(the_repository->index);
}
prepare_repo_settings(r);
@@ -1236,7 +1180,7 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
warning(_("core.untrackedCache is set to true; "
"remove or change it, if you really want to "
"disable the untracked cache"));
- remove_untracked_cache(&the_index);
+ remove_untracked_cache(the_repository->index);
report(_("Untracked cache disabled"));
break;
case UC_TEST:
@@ -1248,7 +1192,7 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
warning(_("core.untrackedCache is set to false; "
"remove or change it, if you really want to "
"enable the untracked cache"));
- add_untracked_cache(&the_index);
+ add_untracked_cache(the_repository->index);
report(_("Untracked cache enabled for '%s'"), get_git_work_tree());
break;
default:
@@ -1278,7 +1222,7 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
"set it if you really want to "
"enable fsmonitor"));
}
- add_fsmonitor(&the_index);
+ add_fsmonitor(the_repository->index);
report(_("fsmonitor enabled"));
} else if (!fsmonitor) {
enum fsmonitor_mode fsm_mode = fsm_settings__get_mode(r);
@@ -1286,17 +1230,17 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
warning(_("core.fsmonitor is set; "
"remove it if you really want to "
"disable fsmonitor"));
- remove_fsmonitor(&the_index);
+ remove_fsmonitor(the_repository->index);
report(_("fsmonitor disabled"));
}
- if (active_cache_changed || force_write) {
+ if (the_repository->index->cache_changed || force_write) {
if (newfd < 0) {
if (refresh_args.flags & REFRESH_QUIET)
exit(128);
unable_to_lock_die(get_index_file(), lock_error);
}
- if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK))
+ if (write_locked_index(the_repository->index, &lock_file, COMMIT_LOCK))
die("Unable to write new index file");
}
generated by cgit v1.2.3 (git 2.46.0) at 2025-11-29 20:36:36 +0000