environment: stop storing "core.notesRef" globally
Stop storing the "core.notesRef" config value globally. Instead, retrieve the value in `default_notes_ref()`. The code is never called in a hot loop anyway, so doing this on every invocation should be perfectly fine. Signed-off-by: Patrick Steinhardt <ps@pks.im> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Patrick Steinhardt committed
Sep 12, 2024 at 13:30 UTC
1e7e4a111f986088abc9194d55349419e5c110c3
6 files changed
+29
-28
builtin/notes.c
+14
-8
@@ -897,6 +897,7 @@ static int merge(int argc, const char **argv, const char *prefix)
897
1, PARSE_OPT_NONEG),
898
OPT_END()
899
};
900
+ char *notes_ref;
901
902
argc = parse_options(argc, argv, prefix, options,
903
git_notes_merge_usage, 0);
@@ -924,7 +925,8 @@ static int merge(int argc, const char **argv, const char *prefix)
925
if (do_commit)
926
return merge_commit(&o);
927
927
- o.local_ref = default_notes_ref();
928
+ notes_ref = default_notes_ref(the_repository);
929
+ o.local_ref = notes_ref;
930
strbuf_addstr(&remote_ref, argv[0]);
931
expand_loose_notes_ref(&remote_ref);
932
o.remote_ref = remote_ref.buf;
@@ -953,7 +955,7 @@ static int merge(int argc, const char **argv, const char *prefix)
955
}
956
957
strbuf_addf(&msg, "notes: Merged notes from %s into %s",
956
- remote_ref.buf, default_notes_ref());
958
+ remote_ref.buf, notes_ref);
959
strbuf_add(&(o.commit_msg), msg.buf + 7, msg.len - 7); /* skip "notes: " */
960
961
result = notes_merge(&o, t, &result_oid);
@@ -961,7 +963,7 @@ static int merge(int argc, const char **argv, const char *prefix)
963
if (result >= 0) /* Merge resulted (trivially) in result_oid */
964
/* Update default notes ref with new commit */
965
refs_update_ref(get_main_ref_store(the_repository), msg.buf,
964
- default_notes_ref(), &result_oid, NULL, 0,
966
+ notes_ref, &result_oid, NULL, 0,
967
UPDATE_REFS_DIE_ON_ERR);
968
else { /* Merge has unresolved conflicts */
969
struct worktree **worktrees;
@@ -973,14 +975,14 @@ static int merge(int argc, const char **argv, const char *prefix)
975
/* Store ref-to-be-updated into .git/NOTES_MERGE_REF */
976
worktrees = get_worktrees();
977
wt = find_shared_symref(worktrees, "NOTES_MERGE_REF",
976
- default_notes_ref());
978
+ notes_ref);
979
if (wt)
980
die(_("a notes merge into %s is already in-progress at %s"),
979
- default_notes_ref(), wt->path);
981
+ notes_ref, wt->path);
982
free_worktrees(worktrees);
981
- if (refs_update_symref(get_main_ref_store(the_repository), "NOTES_MERGE_REF", default_notes_ref(), NULL))
983
+ if (refs_update_symref(get_main_ref_store(the_repository), "NOTES_MERGE_REF", notes_ref, NULL))
984
die(_("failed to store link to current notes ref (%s)"),
983
- default_notes_ref());
985
+ notes_ref);
986
fprintf(stderr, _("Automatic notes merge failed. Fix conflicts in %s "
987
"and commit the result with 'git notes merge --commit', "
988
"or abort the merge with 'git notes merge --abort'.\n"),
@@ -988,6 +990,7 @@ static int merge(int argc, const char **argv, const char *prefix)
990
}
991
992
free_notes(t);
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+ free(notes_ref);
994
strbuf_release(&remote_ref);
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strbuf_release(&msg);
996
return result < 0; /* return non-zero on conflicts */
@@ -1084,6 +1087,7 @@ static int prune(int argc, const char **argv, const char *prefix)
1087
static int get_ref(int argc, const char **argv, const char *prefix)
1088
{
1089
struct option options[] = { OPT_END() };
1090
+ char *notes_ref;
1091
argc = parse_options(argc, argv, prefix, options,
1092
git_notes_get_ref_usage, 0);
1093
@@ -1092,7 +1096,9 @@ static int get_ref(int argc, const char **argv, const char *prefix)
1096
usage_with_options(git_notes_get_ref_usage, options);
1097
}
1098
1095
- puts(default_notes_ref());
1099
+ notes_ref = default_notes_ref(the_repository);
1100
+ puts(notes_ref);
1101
+ free(notes_ref);
1102
return 0;
1103
}
1104
config.c
-8
@@ -1555,14 +1555,6 @@ static int git_default_core_config(const char *var, const char *value,
1555
return git_config_string(&check_roundtrip_encoding, var, value);
1556
}
1557
1558
- if (!strcmp(var, "core.notesref")) {
1559
- if (!value)
1560
- return config_error_nonbool(var);
1561
- free(notes_ref_name);
1562
- notes_ref_name = xstrdup(value);
1563
- return 0;
1564
- }
1565
-
1558
if (!strcmp(var, "core.editor")) {
1559
FREE_AND_NULL(editor_program);
1560
return git_config_string(&editor_program, var, value);
environment.c
-1
@@ -67,7 +67,6 @@ enum push_default_type push_default = PUSH_DEFAULT_UNSPECIFIED;
67
#define OBJECT_CREATION_MODE OBJECT_CREATION_USES_HARDLINKS
68
#endif
69
enum object_creation_mode object_creation_mode = OBJECT_CREATION_MODE;
70
-char *notes_ref_name;
70
int grafts_keep_true_parents;
71
int core_apply_sparse_checkout;
72
int core_sparse_checkout_cone;
environment.h
-2
@@ -203,8 +203,6 @@ enum object_creation_mode {
203
};
204
extern enum object_creation_mode object_creation_mode;
205
206
-extern char *notes_ref_name;
207
-
206
extern int grafts_keep_true_parents;
207
208
extern int repository_format_precious_objects;
notes.c
+13
-8
@@ -992,15 +992,16 @@ static int notes_display_config(const char *k, const char *v,
992
return 0;
993
}
994
995
-const char *default_notes_ref(void)
995
+char *default_notes_ref(struct repository *repo)
996
{
997
- const char *notes_ref = NULL;
997
+ char *notes_ref = NULL;
998
+
999
if (!notes_ref)
999
- notes_ref = getenv(GIT_NOTES_REF_ENVIRONMENT);
1000
+ notes_ref = xstrdup_or_null(getenv(GIT_NOTES_REF_ENVIRONMENT));
1001
if (!notes_ref)
1001
- notes_ref = notes_ref_name; /* value of core.notesRef config */
1002
+ repo_config_get_string(repo, "core.notesref", ¬es_ref);
1003
if (!notes_ref)
1003
- notes_ref = GIT_NOTES_DEFAULT_REF;
1004
+ notes_ref = xstrdup(GIT_NOTES_DEFAULT_REF);
1005
return notes_ref;
1006
}
1007
@@ -1010,13 +1011,14 @@ void init_notes(struct notes_tree *t, const char *notes_ref,
1011
struct object_id oid, object_oid;
1012
unsigned short mode;
1013
struct leaf_node root_tree;
1014
+ char *to_free = NULL;
1015
1016
if (!t)
1017
t = &default_notes_tree;
1018
assert(!t->initialized);
1019
1020
if (!notes_ref)
1019
- notes_ref = default_notes_ref();
1021
+ notes_ref = to_free = default_notes_ref(the_repository);
1022
update_ref_namespace(NAMESPACE_NOTES, xstrdup(notes_ref));
1023
1024
if (!combine_notes)
@@ -1033,7 +1035,7 @@ void init_notes(struct notes_tree *t, const char *notes_ref,
1035
1036
if (flags & NOTES_INIT_EMPTY ||
1037
repo_get_oid_treeish(the_repository, notes_ref, &object_oid))
1036
- return;
1038
+ goto out;
1039
if (flags & NOTES_INIT_WRITABLE && refs_read_ref(get_main_ref_store(the_repository), notes_ref, &object_oid))
1040
die("Cannot use notes ref %s", notes_ref);
1041
if (get_tree_entry(the_repository, &object_oid, "", &oid, &mode))
@@ -1043,6 +1045,9 @@ void init_notes(struct notes_tree *t, const char *notes_ref,
1045
oidclr(&root_tree.key_oid, the_repository->hash_algo);
1046
oidcpy(&root_tree.val_oid, &oid);
1047
load_subtree(t, &root_tree, t->root, 0);
1048
+
1049
+out:
1050
+ free(to_free);
1051
}
1052
1053
struct notes_tree **load_notes_trees(struct string_list *refs, int flags)
@@ -1105,7 +1110,7 @@ void load_display_notes(struct display_notes_opt *opt)
1110
1111
if (!opt || opt->use_default_notes > 0 ||
1112
(opt->use_default_notes == -1 && !opt->extra_notes_refs.nr)) {
1108
- string_list_append(&display_notes_refs, default_notes_ref());
1113
+ string_list_append_nodup(&display_notes_refs, default_notes_ref(the_repository));
1114
display_ref_env = getenv(GIT_NOTES_DISPLAY_REF_ENVIRONMENT);
1115
if (display_ref_env) {
1116
string_list_add_refs_from_colon_sep(&display_notes_refs,
notes.h
+2
-1
@@ -4,6 +4,7 @@
4
#include "string-list.h"
5
6
struct object_id;
7
+struct repository;
8
struct strbuf;
9
10
/*
@@ -70,7 +71,7 @@ extern struct notes_tree {
71
* 3. The value of the core.notesRef config variable, if set
72
* 4. GIT_NOTES_DEFAULT_REF (i.e. "refs/notes/commits")
73
*/
73
-const char *default_notes_ref(void);
74
+char *default_notes_ref(struct repository *repo);
75
76
/*
77
* Flags controlling behaviour of notes tree initialization