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-rw-r--r--shallow.c147
1 files changed, 88 insertions, 59 deletions
diff --git a/shallow.c b/shallow.c
index 9ff83ca..dbe8a2a 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"
@@ -12,68 +14,71 @@
#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));
- struct commit *commit = lookup_commit(oid);
+ struct commit *commit = lookup_commit(the_repository, oid);
oidcpy(&graft->oid, 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 +87,38 @@ 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);
+ deref_tag(the_repository,
+ 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 +127,31 @@ 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 +182,7 @@ 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 +192,9 @@ 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 +235,12 @@ 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");
}
@@ -241,7 +261,7 @@ static int write_one_shallow(const struct commit_graft *graft, void *cb_data)
if (graft->nr_parent != -1)
return 0;
if (data->flags & SEEN_ONLY) {
- struct commit *c = lookup_commit(&graft->oid);
+ struct commit *c = lookup_commit(the_repository, &graft->oid);
if (!c || !(c->object.flags & SEEN)) {
if (data->flags & VERBOSE)
printf("Removing %s from .git/shallow\n",
@@ -315,9 +335,10 @@ 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 +363,7 @@ 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 +383,17 @@ 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 +418,8 @@ 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;
@@ -471,7 +494,8 @@ static void paint_down(struct paint_info *info, const struct object_id *oid,
struct commit_list *head = NULL;
int bitmap_nr = DIV_ROUND_UP(info->nr_bits, 32);
size_t bitmap_size = st_mult(sizeof(uint32_t), bitmap_nr);
- struct commit *c = lookup_commit_reference_gently(oid, 1);
+ struct commit *c = lookup_commit_reference_gently(the_repository, oid,
+ 1);
uint32_t *tmp; /* to be freed before return */
uint32_t *bitmap;
@@ -533,7 +557,8 @@ static void paint_down(struct paint_info *info, const struct object_id *oid,
static int mark_uninteresting(const char *refname, const struct object_id *oid,
int flags, void *cb_data)
{
- struct commit *commit = lookup_commit_reference_gently(oid, 1);
+ struct commit *commit = lookup_commit_reference_gently(the_repository,
+ oid, 1);
if (!commit)
return 0;
commit->object.flags |= UNINTERESTING;
@@ -601,7 +626,8 @@ void assign_shallow_commits_to_refs(struct shallow_info *info,
/* Mark potential bottoms so we won't go out of bound */
for (i = 0; i < nr_shallow; i++) {
- struct commit *c = lookup_commit(&oid[shallow[i]]);
+ struct commit *c = lookup_commit(the_repository,
+ &oid[shallow[i]]);
c->object.flags |= BOTTOM;
}
@@ -612,7 +638,8 @@ void assign_shallow_commits_to_refs(struct shallow_info *info,
int bitmap_size = DIV_ROUND_UP(pi.nr_bits, 32) * sizeof(uint32_t);
memset(used, 0, sizeof(*used) * info->shallow->nr);
for (i = 0; i < nr_shallow; i++) {
- const struct commit *c = lookup_commit(&oid[shallow[i]]);
+ const struct commit *c = lookup_commit(the_repository,
+ &oid[shallow[i]]);
uint32_t **map = ref_bitmap_at(&pi.ref_bitmap, c);
if (*map)
used[shallow[i]] = xmemdupz(*map, bitmap_size);
@@ -643,7 +670,8 @@ static int add_ref(const char *refname, const struct object_id *oid,
{
struct commit_array *ca = cb_data;
ALLOC_GROW(ca->commits, ca->nr + 1, ca->alloc);
- ca->commits[ca->nr] = lookup_commit_reference_gently(oid, 1);
+ ca->commits[ca->nr] = lookup_commit_reference_gently(the_repository,
+ oid, 1);
if (ca->commits[ca->nr])
ca->nr++;
return 0;
@@ -681,7 +709,7 @@ static void post_assign_shallow(struct shallow_info *info,
for (i = dst = 0; i < info->nr_theirs; i++) {
if (i != dst)
info->theirs[dst] = info->theirs[i];
- c = lookup_commit(&oid[info->theirs[i]]);
+ c = lookup_commit(the_repository, &oid[info->theirs[i]]);
bitmap = ref_bitmap_at(ref_bitmap, c);
if (!*bitmap)
continue;
@@ -702,7 +730,7 @@ static void post_assign_shallow(struct shallow_info *info,
for (i = dst = 0; i < info->nr_ours; i++) {
if (i != dst)
info->ours[dst] = info->ours[i];
- c = lookup_commit(&oid[info->ours[i]]);
+ c = lookup_commit(the_repository, &oid[info->ours[i]]);
bitmap = ref_bitmap_at(ref_bitmap, c);
if (!*bitmap)
continue;
@@ -724,7 +752,8 @@ static void post_assign_shallow(struct shallow_info *info,
int delayed_reachability_test(struct shallow_info *si, int c)
{
if (si->need_reachability_test[c]) {
- struct commit *commit = lookup_commit(&si->shallow->oid[c]);
+ struct commit *commit = lookup_commit(the_repository,
+ &si->shallow->oid[c]);
if (!si->commits) {
struct commit_array ca;
generated by cgit v0.10.2-6-g49f6 at 2024-05-01 19:20:38 (GMT)