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-rw-r--r--shallow.c117
1 files changed, 69 insertions, 48 deletions
diff --git a/shallow.c b/shallow.c
index 9ff83cabcd..e53067cded 100644
--- a/shallow.c
+++ b/shallow.c
@@ -1,6 +1,8 @@
#include "cache.h"
+#include "repository.h"
#include "tempfile.h"
#include "lockfile.h"
+#include "object-store.h"
#include "commit.h"
#include "tag.h"
#include "pkt-line.h"
@@ -12,22 +14,20 @@
#include "commit-slab.h"
#include "revision.h"
#include "list-objects.h"
+#include "commit-slab.h"
+#include "repository.h"
-static int is_shallow = -1;
-static struct stat_validity shallow_stat;
-static char *alternate_shallow_file;
-
-void set_alternate_shallow_file(const char *path, int override)
+void set_alternate_shallow_file(struct repository *r, const char *path, int override)
{
- if (is_shallow != -1)
+ if (r->parsed_objects->is_shallow != -1)
BUG("is_repository_shallow must not be called before set_alternate_shallow_file");
- if (alternate_shallow_file && !override)
+ if (r->parsed_objects->alternate_shallow_file && !override)
return;
- free(alternate_shallow_file);
- alternate_shallow_file = xstrdup_or_null(path);
+ free(r->parsed_objects->alternate_shallow_file);
+ r->parsed_objects->alternate_shallow_file = xstrdup_or_null(path);
}
-int register_shallow(const struct object_id *oid)
+int register_shallow(struct repository *r, const struct object_id *oid)
{
struct commit_graft *graft =
xmalloc(sizeof(struct commit_graft));
@@ -37,43 +37,48 @@ int register_shallow(const struct object_id *oid)
graft->nr_parent = -1;
if (commit && commit->object.parsed)
commit->parents = NULL;
- return register_commit_graft(graft, 0);
+ return register_commit_graft(r, graft, 0);
}
-int is_repository_shallow(void)
+int is_repository_shallow(struct repository *r)
{
FILE *fp;
char buf[1024];
- const char *path = alternate_shallow_file;
+ const char *path = r->parsed_objects->alternate_shallow_file;
- if (is_shallow >= 0)
- return is_shallow;
+ if (r->parsed_objects->is_shallow >= 0)
+ return r->parsed_objects->is_shallow;
if (!path)
- path = git_path_shallow();
+ path = git_path_shallow(r);
/*
* fetch-pack sets '--shallow-file ""' as an indicator that no
* shallow file should be used. We could just open it and it
* will likely fail. But let's do an explicit check instead.
*/
if (!*path || (fp = fopen(path, "r")) == NULL) {
- stat_validity_clear(&shallow_stat);
- is_shallow = 0;
- return is_shallow;
+ stat_validity_clear(r->parsed_objects->shallow_stat);
+ r->parsed_objects->is_shallow = 0;
+ return r->parsed_objects->is_shallow;
}
- stat_validity_update(&shallow_stat, fileno(fp));
- is_shallow = 1;
+ stat_validity_update(r->parsed_objects->shallow_stat, fileno(fp));
+ r->parsed_objects->is_shallow = 1;
while (fgets(buf, sizeof(buf), fp)) {
struct object_id oid;
if (get_oid_hex(buf, &oid))
die("bad shallow line: %s", buf);
- register_shallow(&oid);
+ register_shallow(r, &oid);
}
fclose(fp);
- return is_shallow;
+ return r->parsed_objects->is_shallow;
}
+/*
+ * TODO: use "int" elemtype instead of "int *" when/if commit-slab
+ * supports a "valid" flag.
+ */
+define_commit_slab(commit_depth, int *);
struct commit_list *get_shallow_commits(struct object_array *heads, int depth,
int shallow_flag, int not_shallow_flag)
{
@@ -82,32 +87,36 @@ struct commit_list *get_shallow_commits(struct object_array *heads, int depth,
struct object_array stack = OBJECT_ARRAY_INIT;
struct commit *commit = NULL;
struct commit_graft *graft;
+ struct commit_depth depths;
+ init_commit_depth(&depths);
while (commit || i < heads->nr || stack.nr) {
struct commit_list *p;
if (!commit) {
if (i < heads->nr) {
+ int **depth_slot;
commit = (struct commit *)
deref_tag(heads->objects[i++].item, NULL, 0);
if (!commit || commit->object.type != OBJ_COMMIT) {
commit = NULL;
continue;
}
- if (!commit->util)
- commit->util = xmalloc(sizeof(int));
- *(int *)commit->util = 0;
+ depth_slot = commit_depth_at(&depths, commit);
+ if (!*depth_slot)
+ *depth_slot = xmalloc(sizeof(int));
+ **depth_slot = 0;
cur_depth = 0;
} else {
commit = (struct commit *)
object_array_pop(&stack);
- cur_depth = *(int *)commit->util;
+ cur_depth = **commit_depth_at(&depths, commit);
}
}
parse_commit_or_die(commit);
cur_depth++;
if ((depth != INFINITE_DEPTH && cur_depth >= depth) ||
- (is_repository_shallow() && !commit->parents &&
- (graft = lookup_commit_graft(&commit->object.oid)) != NULL &&
+ (is_repository_shallow(the_repository) && !commit->parents &&
+ (graft = lookup_commit_graft(the_repository, &commit->object.oid)) != NULL &&
graft->nr_parent < 0)) {
commit_list_insert(commit, &result);
commit->object.flags |= shallow_flag;
@@ -116,25 +125,31 @@ struct commit_list *get_shallow_commits(struct object_array *heads, int depth,
}
commit->object.flags |= not_shallow_flag;
for (p = commit->parents, commit = NULL; p; p = p->next) {
- if (!p->item->util) {
- int *pointer = xmalloc(sizeof(int));
- p->item->util = pointer;
- *pointer = cur_depth;
+ int **depth_slot = commit_depth_at(&depths, p->item);
+ if (!*depth_slot) {
+ *depth_slot = xmalloc(sizeof(int));
+ **depth_slot = cur_depth;
} else {
- int *pointer = p->item->util;
- if (cur_depth >= *pointer)
+ if (cur_depth >= **depth_slot)
continue;
- *pointer = cur_depth;
+ **depth_slot = cur_depth;
}
if (p->next)
add_object_array(&p->item->object,
NULL, &stack);
else {
commit = p->item;
- cur_depth = *(int *)commit->util;
+ cur_depth = **commit_depth_at(&depths, commit);
}
}
}
+ for (i = 0; i < depths.slab_count; i++) {
+ int j;
+
+ for (j = 0; j < depths.slab_size; j++)
+ free(depths.slab[i][j]);
+ }
+ clear_commit_depth(&depths);
return result;
}
@@ -165,7 +180,7 @@ struct commit_list *get_shallow_commits_by_rev_list(int ac, const char **av,
*/
clear_object_flags(both_flags);
- is_repository_shallow(); /* make sure shallows are read */
+ is_repository_shallow(the_repository); /* make sure shallows are read */
init_revisions(&revs, NULL);
save_commit_buffer = 0;
@@ -175,6 +190,9 @@ struct commit_list *get_shallow_commits_by_rev_list(int ac, const char **av,
die("revision walk setup failed");
traverse_commit_list(&revs, show_commit, NULL, &not_shallow_list);
+ if (!not_shallow_list)
+ die("no commits selected for shallow requests");
+
/* Mark all reachable commits as NOT_SHALLOW */
for (p = not_shallow_list; p; p = p->next)
p->item->object.flags |= not_shallow_flag;
@@ -215,12 +233,12 @@ struct commit_list *get_shallow_commits_by_rev_list(int ac, const char **av,
return result;
}
-static void check_shallow_file_for_update(void)
+static void check_shallow_file_for_update(struct repository *r)
{
- if (is_shallow == -1)
+ if (r->parsed_objects->is_shallow == -1)
BUG("shallow must be initialized by now");
- if (!stat_validity_check(&shallow_stat, git_path_shallow()))
+ if (!stat_validity_check(r->parsed_objects->shallow_stat, git_path_shallow(the_repository)))
die("shallow file has changed since we read it");
}
@@ -315,9 +333,10 @@ void setup_alternate_shallow(struct lock_file *shallow_lock,
struct strbuf sb = STRBUF_INIT;
int fd;
- fd = hold_lock_file_for_update(shallow_lock, git_path_shallow(),
+ fd = hold_lock_file_for_update(shallow_lock,
+ git_path_shallow(the_repository),
LOCK_DIE_ON_ERROR);
- check_shallow_file_for_update();
+ check_shallow_file_for_update(the_repository);
if (write_shallow_commits(&sb, 0, extra)) {
if (write_in_full(fd, sb.buf, sb.len) < 0)
die_errno("failed to write to %s",
@@ -342,7 +361,7 @@ static int advertise_shallow_grafts_cb(const struct commit_graft *graft, void *c
void advertise_shallow_grafts(int fd)
{
- if (!is_repository_shallow())
+ if (!is_repository_shallow(the_repository))
return;
for_each_commit_graft(advertise_shallow_grafts_cb, &fd);
}
@@ -362,16 +381,17 @@ void prune_shallow(int show_only)
strbuf_release(&sb);
return;
}
- fd = hold_lock_file_for_update(&shallow_lock, git_path_shallow(),
+ fd = hold_lock_file_for_update(&shallow_lock,
+ git_path_shallow(the_repository),
LOCK_DIE_ON_ERROR);
- check_shallow_file_for_update();
+ check_shallow_file_for_update(the_repository);
if (write_shallow_commits_1(&sb, 0, NULL, SEEN_ONLY)) {
if (write_in_full(fd, sb.buf, sb.len) < 0)
die_errno("failed to write to %s",
get_lock_file_path(&shallow_lock));
commit_lock_file(&shallow_lock);
} else {
- unlink(git_path_shallow());
+ unlink(git_path_shallow(the_repository));
rollback_lock_file(&shallow_lock);
}
strbuf_release(&sb);
@@ -396,7 +416,8 @@ void prepare_shallow_info(struct shallow_info *info, struct oid_array *sa)
for (i = 0; i < sa->nr; i++) {
if (has_object_file(sa->oid + i)) {
struct commit_graft *graft;
- graft = lookup_commit_graft(&sa->oid[i]);
+ graft = lookup_commit_graft(the_repository,
+ &sa->oid[i]);
if (graft && graft->nr_parent < 0)
continue;
info->ours[info->nr_ours++] = i;
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-03 16:24:20 +0000