Commit e1ff0a32 authored by Duy Nguyen's avatar Duy Nguyen Committed by Junio C Hamano

read-cache.c: kill read_index()

read_index() shares the same problem as hold_locked_index(): it
assumes $GIT_DIR/index. Move all call sites to repo_read_index()
instead. read_index_preload() and read_index_unmerged() are also
killed as a consequence.
Signed-off-by: Duy Nguyen's avatarNguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: 's avatarJunio C Hamano <gitster@pobox.com>
parent fb4a8464
......@@ -4019,7 +4019,7 @@ static int read_apply_cache(struct apply_state *state)
return read_index_from(state->repo->index, state->index_file,
get_git_dir());
else
return read_index(state->repo->index);
return repo_read_index(state->repo);
}
/* This function tries to read the object name from the current index */
......
......@@ -188,7 +188,7 @@ static struct commit *fake_working_tree_commit(struct repository *r,
unsigned mode;
struct strbuf msg = STRBUF_INIT;
read_index(r->index);
repo_read_index(r);
time(&now);
commit = alloc_commit_node(r);
commit->object.parsed = 1;
......@@ -270,7 +270,7 @@ static struct commit *fake_working_tree_commit(struct repository *r,
* want to run "diff-index --cached".
*/
discard_index(r->index);
read_index(r->index);
repo_read_index(r);
len = strlen(path);
if (!mode) {
......
......@@ -2278,7 +2278,7 @@ int cmd_am(int argc, const char **argv, const char *prefix)
/* Ensure a valid committer ident can be constructed */
git_committer_info(IDENT_STRICT);
if (read_index_preload(&the_index, NULL, 0) < 0)
if (repo_read_index_preload(the_repository, NULL, 0) < 0)
die(_("failed to read the index"));
if (in_progress) {
......
......@@ -1367,7 +1367,7 @@ int cmd_status(int argc, const char **argv, const char *prefix)
if (status_format != STATUS_FORMAT_PORCELAIN &&
status_format != STATUS_FORMAT_PORCELAIN_V2)
progress_flag = REFRESH_PROGRESS;
read_index(&the_index);
repo_read_index(the_repository);
refresh_index(&the_index,
REFRESH_QUIET|REFRESH_UNMERGED|progress_flag,
&s.pathspec, NULL, NULL);
......
......@@ -165,7 +165,7 @@ int cmd_diff_tree(int argc, const char **argv, const char *prefix)
if (opt->diffopt.detect_rename) {
if (!the_index.cache)
read_index(&the_index);
repo_read_index(the_repository);
opt->diffopt.setup |= DIFF_SETUP_USE_SIZE_CACHE;
}
while (fgets(line, sizeof(line), stdin)) {
......
......@@ -576,7 +576,7 @@ static int reset_head(struct object_id *oid, const char *action,
if (!detach_head)
unpack_tree_opts.reset = 1;
if (read_index_unmerged(the_repository->index) < 0) {
if (repo_read_index_unmerged(the_repository) < 0) {
ret = error(_("could not read index"));
goto leave_reset_head;
}
......@@ -1015,7 +1015,7 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
die(_("Cannot read HEAD"));
fd = hold_locked_index(&lock_file, 0);
if (read_index(the_repository->index) < 0)
if (repo_read_index(the_repository) < 0)
die(_("could not read index"));
refresh_index(the_repository->index, REFRESH_QUIET, NULL, NULL,
NULL);
......@@ -1368,7 +1368,7 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
get_fork_point(options.upstream_name, head);
}
if (read_index(the_repository->index) < 0)
if (repo_read_index(the_repository) < 0)
die(_("could not read index"));
if (options.autostash) {
......@@ -1423,7 +1423,7 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
putchar('\n');
if (discard_index(the_repository->index) < 0 ||
read_index(the_repository->index) < 0)
repo_read_index(the_repository) < 0)
die(_("could not read index"));
}
}
......
......@@ -408,11 +408,11 @@ void validate_cache_entries(const struct index_state *istate);
#define active_cache_changed (the_index.cache_changed)
#define active_cache_tree (the_index.cache_tree)
#define read_cache() read_index(&the_index)
#define read_cache() repo_read_index(the_repository)
#define read_cache_from(path) read_index_from(&the_index, (path), (get_git_dir()))
#define read_cache_preload(pathspec) read_index_preload(&the_index, (pathspec), 0)
#define read_cache_preload(pathspec) repo_read_index_preload(the_repository, (pathspec), 0)
#define is_cache_unborn() is_index_unborn(&the_index)
#define read_cache_unmerged() read_index_unmerged(&the_index)
#define read_cache_unmerged() repo_read_index_unmerged(the_repository)
#define discard_cache() discard_index(&the_index)
#define unmerged_cache() unmerged_index(&the_index)
#define cache_name_pos(name, namelen) index_name_pos(&the_index,(name),(namelen))
......@@ -661,19 +661,14 @@ extern int daemonize(void);
/* Initialize and use the cache information */
struct lock_file;
extern int read_index(struct index_state *);
extern void preload_index(struct index_state *index,
const struct pathspec *pathspec,
unsigned int refresh_flags);
extern int read_index_preload(struct index_state *,
const struct pathspec *pathspec,
unsigned int refresh_flags);
extern int do_read_index(struct index_state *istate, const char *path,
int must_exist); /* for testting only! */
extern int read_index_from(struct index_state *, const char *path,
const char *gitdir);
extern int is_index_unborn(struct index_state *);
extern int read_index_unmerged(struct index_state *);
/* For use with `write_locked_index()`. */
#define COMMIT_LOCK (1 << 0)
......
......@@ -3576,7 +3576,7 @@ int merge_recursive(struct merge_options *o,
discard_cache();
if (!o->call_depth)
read_cache();
repo_read_index(the_repository);
o->ancestor = "merged common ancestors";
clean = merge_trees(o, get_commit_tree(h1), get_commit_tree(h2),
......
......@@ -37,7 +37,7 @@ int try_merge_command(struct repository *r,
argv_array_clear(&args);
discard_index(r->index);
if (read_index(r->index) < 0)
if (repo_read_index(r) < 0)
die(_("failed to read the cache"));
resolve_undo_clear_index(r->index);
......
......@@ -8,6 +8,7 @@
#include "config.h"
#include "progress.h"
#include "thread-utils.h"
#include "repository.h"
/*
* Mostly randomly chosen maximum thread counts: we
......@@ -146,12 +147,12 @@ void preload_index(struct index_state *index,
trace_performance_leave("preload index");
}
int read_index_preload(struct index_state *index,
const struct pathspec *pathspec,
unsigned int refresh_flags)
int repo_read_index_preload(struct repository *repo,
const struct pathspec *pathspec,
unsigned int refresh_flags)
{
int retval = read_index(index);
int retval = repo_read_index(repo);
preload_index(index, pathspec, refresh_flags);
preload_index(repo->index, pathspec, refresh_flags);
return retval;
}
......@@ -1733,11 +1733,6 @@ static int read_index_extension(struct index_state *istate,
return 0;
}
int read_index(struct index_state *istate)
{
return read_index_from(istate, get_index_file(), get_git_dir());
}
static struct cache_entry *create_from_disk(struct mem_pool *ce_mem_pool,
unsigned int version,
struct ondisk_cache_entry *ondisk,
......@@ -3218,12 +3213,14 @@ int write_locked_index(struct index_state *istate, struct lock_file *lock,
* state can call this and check its return value, instead of calling
* read_cache().
*/
int read_index_unmerged(struct index_state *istate)
int repo_read_index_unmerged(struct repository *repo)
{
struct index_state *istate;
int i;
int unmerged = 0;
read_index(istate);
repo_read_index(repo);
istate = repo->index;
for (i = 0; i < istate->cache_nr; i++) {
struct cache_entry *ce = istate->cache[i];
struct cache_entry *new_ce;
......
......@@ -7,6 +7,7 @@ struct config_set;
struct git_hash_algo;
struct index_state;
struct lock_file;
struct pathspec;
struct raw_object_store;
struct submodule_cache;
......@@ -135,4 +136,9 @@ int repo_hold_locked_index(struct repository *repo,
struct lock_file *lf,
int flags);
int repo_read_index_preload(struct repository *,
const struct pathspec *pathspec,
unsigned refresh_flags);
int repo_read_index_unmerged(struct repository *);
#endif /* REPOSITORY_H */
......@@ -561,7 +561,7 @@ static int find_conflict(struct repository *r, struct string_list *conflict)
{
int i;
if (read_index(r->index) < 0)
if (repo_read_index(r) < 0)
return error(_("index file corrupt"));
for (i = 0; i < r->index->cache_nr;) {
......@@ -595,7 +595,7 @@ int rerere_remaining(struct repository *r, struct string_list *merge_rr)
if (setup_rerere(r, merge_rr, RERERE_READONLY))
return 0;
if (read_index(r->index) < 0)
if (repo_read_index(r) < 0)
return error(_("index file corrupt"));
for (i = 0; i < r->index->cache_nr;) {
......@@ -1107,7 +1107,7 @@ int rerere_forget(struct repository *r, struct pathspec *pathspec)
struct string_list conflict = STRING_LIST_INIT_DUP;
struct string_list merge_rr = STRING_LIST_INIT_DUP;
if (read_index(r->index) < 0)
if (repo_read_index(r) < 0)
return error(_("index file corrupt"));
fd = setup_rerere(r, &merge_rr, RERERE_NOAUTOUPDATE);
......
......@@ -1384,7 +1384,7 @@ void add_index_objects_to_pending(struct rev_info *revs, unsigned int flags)
{
struct worktree **worktrees, **p;
read_index(revs->repo->index);
repo_read_index(revs->repo);
do_add_index_objects_to_pending(revs, revs->repo->index, flags);
if (revs->single_worktree)
......@@ -1530,7 +1530,7 @@ static void prepare_show_merge(struct rev_info *revs)
head->object.flags |= SYMMETRIC_LEFT;
if (!istate->cache_nr)
read_index(istate);
repo_read_index(revs->repo);
for (i = 0; i < istate->cache_nr; i++) {
const struct cache_entry *ce = istate->cache[i];
if (!ce_stage(ce))
......
......@@ -446,9 +446,9 @@ static struct tree *empty_tree(struct repository *r)
return lookup_tree(r, the_hash_algo->empty_tree);
}
static int error_dirty_index(struct index_state *istate, struct replay_opts *opts)
static int error_dirty_index(struct repository *repo, struct replay_opts *opts)
{
if (read_index_unmerged(istate))
if (repo_read_index_unmerged(repo))
return error_resolve_conflict(_(action_name(opts)));
error(_("your local changes would be overwritten by %s."),
......@@ -483,7 +483,7 @@ static int fast_forward_to(struct repository *r,
struct strbuf sb = STRBUF_INIT;
struct strbuf err = STRBUF_INIT;
read_index(r->index);
repo_read_index(r);
if (checkout_fast_forward(r, from, to, 1))
return -1; /* the callee should have complained already */
......@@ -543,7 +543,7 @@ static int do_recursive_merge(struct repository *r,
if (repo_hold_locked_index(r, &index_lock, LOCK_REPORT_ON_ERROR) < 0)
return -1;
read_index(r->index);
repo_read_index(r);
init_merge_options(&o);
o.ancestor = base ? base_label : "(empty tree)";
......@@ -1766,7 +1766,7 @@ static int do_pick_commit(struct repository *r,
oidcpy(&head, the_hash_algo->empty_tree);
if (index_differs_from(r, unborn ? empty_tree_oid_hex() : "HEAD",
NULL, 0))
return error_dirty_index(r->index, opts);
return error_dirty_index(r, opts);
}
discard_index(r->index);
......@@ -2854,7 +2854,7 @@ static int do_exec(struct repository *r, const char *command_line)
child_env.argv);
/* force re-reading of the cache */
if (discard_index(r->index) < 0 || read_index(r->index) < 0)
if (discard_index(r->index) < 0 || repo_read_index(r) < 0)
return error(_("could not read index"));
dirty = require_clean_work_tree(r, "rebase", NULL, 1, 1);
......@@ -3023,7 +3023,7 @@ static int do_reset(struct repository *r,
unpack_tree_opts.merge = 1;
unpack_tree_opts.update = 1;
if (read_index_unmerged(r->index)) {
if (repo_read_index_unmerged(r)) {
rollback_lock_file(&lock);
strbuf_release(&ref_name);
return error_resolve_conflict(_(action_name(opts)));
......@@ -3277,7 +3277,7 @@ static int do_merge(struct repository *r,
/* force re-reading of the cache */
if (!ret && (discard_index(r->index) < 0 ||
read_index(r->index) < 0))
repo_read_index(r) < 0))
ret = error(_("could not read index"));
goto leave_merge;
}
......@@ -3299,7 +3299,7 @@ static int do_merge(struct repository *r,
commit_list_insert(j->item, &reversed);
free_commit_list(bases);
read_index(r->index);
repo_read_index(r);
init_merge_options(&o);
o.branch1 = "HEAD";
o.branch2 = ref_name.buf;
......@@ -3972,7 +3972,7 @@ int sequencer_continue(struct repository *r, struct replay_opts *opts)
goto release_todo_list;
}
if (index_differs_from(r, "HEAD", NULL, 0)) {
res = error_dirty_index(r->index, opts);
res = error_dirty_index(r, opts);
goto release_todo_list;
}
todo_list.current++;
......
......@@ -1723,9 +1723,9 @@ static int get_oid_with_context_1(const char *name,
if (flags & GET_OID_RECORD_PATH)
oc->path = xstrdup(cp);
if (!active_cache)
read_cache();
pos = cache_name_pos(cp, namelen);
if (!the_index.cache)
repo_read_index(the_repository);
pos = index_name_pos(&the_index, cp, namelen);
if (pos < 0)
pos = -pos - 1;
while (pos < active_nr) {
......
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