diff options
Diffstat (limited to 'shallow.c')
| -rw-r--r-- | shallow.c | 79 |
1 files changed, 28 insertions, 51 deletions
@@ -1,4 +1,6 @@ #include "cache.h" +#include "tempfile.h" +#include "lockfile.h" #include "commit.h" #include "tag.h" #include "pkt-line.h" @@ -21,7 +23,7 @@ void set_alternate_shallow_file(const char *path, int override) if (alternate_shallow_file && !override) return; free(alternate_shallow_file); - alternate_shallow_file = path ? xstrdup(path) : NULL; + alternate_shallow_file = xstrdup_or_null(path); } int register_shallow(const unsigned char *sha1) @@ -30,7 +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; @@ -47,7 +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 @@ -136,12 +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"); } @@ -158,11 +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", @@ -207,53 +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) { - static int installed_handler; 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); - - if (!installed_handler) { - 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, @@ -263,14 +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); - *alternate_shallow_file = shallow_lock->filename; + get_lock_file_path(shallow_lock)); + *alternate_shallow_file = get_lock_file_path(shallow_lock); } else /* * is_repository_shallow() sees empty string as "no @@ -284,7 +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; } @@ -310,16 +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); + 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); @@ -477,11 +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; @@ -586,12 +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; @@ -676,6 +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); |