Merge branch 'pt/pull-builtin' into maint
[gitweb.git] / shallow.c
index f5e67204a4084ff79beec0d5a5dd0fb06966cc3f..d49a3d6e9f02e292a04981e34f0a2d0b1ffa00d0 100644 (file)
--- a/shallow.c
+++ b/shallow.c
@@ -1,4 +1,5 @@
 #include "cache.h"
+#include "tempfile.h"
 #include "lockfile.h"
 #include "commit.h"
 #include "tag.h"
@@ -31,7 +32,7 @@ int register_shallow(const unsigned char *sha1)
                xmalloc(sizeof(struct commit_graft));
        struct commit *commit = lookup_commit(sha1);
 
-       hashcpy(graft->sha1, sha1);
+       hashcpy(graft->oid.hash, sha1);
        graft->nr_parent = -1;
        if (commit && commit->object.parsed)
                commit->parents = NULL;
@@ -48,7 +49,7 @@ int is_repository_shallow(void)
                return is_shallow;
 
        if (!path)
-               path = git_path("shallow");
+               path = git_path_shallow();
        /*
         * fetch-pack sets '--shallow-file ""' as an indicator that no
         * shallow file should be used. We could just open it and it
@@ -137,12 +138,12 @@ struct commit_list *get_shallow_commits(struct object_array *heads, int depth,
        return result;
 }
 
-void check_shallow_file_for_update(void)
+static void check_shallow_file_for_update(void)
 {
        if (is_shallow == -1)
                die("BUG: shallow must be initialized by now");
 
-       if (!stat_validity_check(&shallow_stat, git_path("shallow")))
+       if (!stat_validity_check(&shallow_stat, git_path_shallow()))
                die("shallow file has changed since we read it");
 }
 
@@ -159,11 +160,11 @@ struct write_shallow_data {
 static int write_one_shallow(const struct commit_graft *graft, void *cb_data)
 {
        struct write_shallow_data *data = cb_data;
-       const char *hex = sha1_to_hex(graft->sha1);
+       const char *hex = oid_to_hex(&graft->oid);
        if (graft->nr_parent != -1)
                return 0;
        if (data->flags & SEEN_ONLY) {
-               struct commit *c = lookup_commit(graft->sha1);
+               struct commit *c = lookup_commit(graft->oid.hash);
                if (!c || !(c->object.flags & SEEN)) {
                        if (data->flags & VERBOSE)
                                printf("Removing %s from .git/shallow\n",
@@ -208,50 +209,28 @@ int write_shallow_commits(struct strbuf *out, int use_pack_protocol,
        return write_shallow_commits_1(out, use_pack_protocol, extra, 0);
 }
 
-static struct strbuf temporary_shallow = STRBUF_INIT;
-
-static void remove_temporary_shallow(void)
-{
-       if (temporary_shallow.len) {
-               unlink_or_warn(temporary_shallow.buf);
-               strbuf_reset(&temporary_shallow);
-       }
-}
-
-static void remove_temporary_shallow_on_signal(int signo)
-{
-       remove_temporary_shallow();
-       sigchain_pop(signo);
-       raise(signo);
-}
+static struct tempfile temporary_shallow;
 
 const char *setup_temporary_shallow(const struct sha1_array *extra)
 {
        struct strbuf sb = STRBUF_INIT;
        int fd;
 
-       if (temporary_shallow.len)
-               die("BUG: attempt to create two temporary shallow files");
-
        if (write_shallow_commits(&sb, 0, extra)) {
-               strbuf_addstr(&temporary_shallow, git_path("shallow_XXXXXX"));
-               fd = xmkstemp(temporary_shallow.buf);
-
-               atexit(remove_temporary_shallow);
-               sigchain_push_common(remove_temporary_shallow_on_signal);
+               fd = xmks_tempfile(&temporary_shallow, git_path("shallow_XXXXXX"));
 
                if (write_in_full(fd, sb.buf, sb.len) != sb.len)
                        die_errno("failed to write to %s",
-                                 temporary_shallow.buf);
-               close(fd);
+                                 get_tempfile_path(&temporary_shallow));
+               close_tempfile(&temporary_shallow);
                strbuf_release(&sb);
-               return temporary_shallow.buf;
+               return get_tempfile_path(&temporary_shallow);
        }
        /*
         * is_repository_shallow() sees empty string as "no shallow
         * file".
         */
-       return temporary_shallow.buf;
+       return get_tempfile_path(&temporary_shallow);
 }
 
 void setup_alternate_shallow(struct lock_file *shallow_lock,
@@ -261,14 +240,14 @@ 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(),
                                       LOCK_DIE_ON_ERROR);
        check_shallow_file_for_update();
        if (write_shallow_commits(&sb, 0, extra)) {
                if (write_in_full(fd, sb.buf, sb.len) != sb.len)
                        die_errno("failed to write to %s",
-                                 shallow_lock->filename.buf);
-               *alternate_shallow_file = shallow_lock->filename.buf;
+                                 get_lock_file_path(shallow_lock));
+               *alternate_shallow_file = get_lock_file_path(shallow_lock);
        } else
                /*
                 * is_repository_shallow() sees empty string as "no
@@ -282,7 +261,7 @@ static int advertise_shallow_grafts_cb(const struct commit_graft *graft, void *c
 {
        int fd = *(int *)cb;
        if (graft->nr_parent == -1)
-               packet_write(fd, "shallow %s\n", sha1_to_hex(graft->sha1));
+               packet_write(fd, "shallow %s\n", oid_to_hex(&graft->oid));
        return 0;
 }
 
@@ -308,16 +287,16 @@ 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(),
                                       LOCK_DIE_ON_ERROR);
        check_shallow_file_for_update();
        if (write_shallow_commits_1(&sb, 0, NULL, SEEN_ONLY)) {
                if (write_in_full(fd, sb.buf, sb.len) != sb.len)
                        die_errno("failed to write to %s",
-                                 shallow_lock.filename.buf);
+                                 get_lock_file_path(&shallow_lock));
                commit_lock_file(&shallow_lock);
        } else {
-               unlink(git_path("shallow"));
+               unlink(git_path_shallow());
                rollback_lock_file(&shallow_lock);
        }
        strbuf_release(&sb);
@@ -475,11 +454,10 @@ static void paint_down(struct paint_info *info, const unsigned char *sha1,
        free(tmp);
 }
 
-static int mark_uninteresting(const char *refname,
-                             const unsigned char *sha1,
+static int mark_uninteresting(const char *refname, const struct object_id *oid,
                              int flags, void *cb_data)
 {
-       struct commit *commit = lookup_commit_reference_gently(sha1, 1);
+       struct commit *commit = lookup_commit_reference_gently(oid->hash, 1);
        if (!commit)
                return 0;
        commit->object.flags |= UNINTERESTING;
@@ -584,12 +562,12 @@ struct commit_array {
        int nr, alloc;
 };
 
-static int add_ref(const char *refname,
-                  const unsigned char *sha1, int flags, void *cb_data)
+static int add_ref(const char *refname, const struct object_id *oid,
+                  int flags, void *cb_data)
 {
        struct commit_array *ca = cb_data;
        ALLOC_GROW(ca->commits, ca->nr + 1, ca->alloc);
-       ca->commits[ca->nr] = lookup_commit_reference_gently(sha1, 1);
+       ca->commits[ca->nr] = lookup_commit_reference_gently(oid->hash, 1);
        if (ca->commits[ca->nr])
                ca->nr++;
        return 0;
@@ -674,6 +652,7 @@ int delayed_reachability_test(struct shallow_info *si, int c)
 
                if (!si->commits) {
                        struct commit_array ca;
+
                        memset(&ca, 0, sizeof(ca));
                        head_ref(add_ref, &ca);
                        for_each_ref(add_ref, &ca);