diff options
Diffstat (limited to 'pack-bitmap.c')
-rw-r--r-- | pack-bitmap.c | 130 |
1 files changed, 101 insertions, 29 deletions
diff --git a/pack-bitmap.c b/pack-bitmap.c index 440407f1be..999f962602 100644 --- a/pack-bitmap.c +++ b/pack-bitmap.c @@ -1,5 +1,8 @@ -#include "cache.h" +#include "git-compat-util.h" +#include "alloc.h" #include "commit.h" +#include "gettext.h" +#include "hex.h" #include "strbuf.h" #include "tag.h" #include "diff.h" @@ -12,6 +15,8 @@ #include "pack-objects.h" #include "packfile.h" #include "repository.h" +#include "trace2.h" +#include "object-file.h" #include "object-store.h" #include "list-objects-filter-options.h" #include "midx.h" @@ -354,8 +359,8 @@ static int open_midx_bitmap_1(struct bitmap_index *bitmap_git, if (bitmap_git->pack || bitmap_git->midx) { struct strbuf buf = STRBUF_INIT; get_midx_filename(&buf, midx->object_dir); - /* ignore extra bitmap file; we can only handle one */ - warning(_("ignoring extra bitmap file: '%s'"), buf.buf); + trace2_data_string("bitmap", the_repository, + "ignoring extra midx bitmap file", buf.buf); close(fd); strbuf_release(&buf); return -1; @@ -376,7 +381,7 @@ static int open_midx_bitmap_1(struct bitmap_index *bitmap_git, goto cleanup; } - if (load_midx_revindex(bitmap_git->midx) < 0) { + if (load_midx_revindex(bitmap_git->midx)) { warning(_("multi-pack bitmap is missing required reverse index")); goto cleanup; } @@ -411,9 +416,6 @@ static int open_pack_bitmap_1(struct bitmap_index *bitmap_git, struct packed_git struct stat st; char *bitmap_name; - if (open_pack_index(packfile)) - return -1; - bitmap_name = pack_bitmap_filename(packfile); fd = git_open(bitmap_name); @@ -432,8 +434,8 @@ static int open_pack_bitmap_1(struct bitmap_index *bitmap_git, struct packed_git } if (bitmap_git->pack || bitmap_git->midx) { - /* ignore extra bitmap file; we can only handle one */ - warning(_("ignoring extra bitmap file: '%s'"), packfile->pack_name); + trace2_data_string("bitmap", the_repository, + "ignoring extra bitmap file", packfile->pack_name); close(fd); return -1; } @@ -458,10 +460,12 @@ static int open_pack_bitmap_1(struct bitmap_index *bitmap_git, struct packed_git return -1; } + trace2_data_string("bitmap", the_repository, "opened bitmap file", + packfile->pack_name); return 0; } -static int load_reverse_index(struct bitmap_index *bitmap_git) +static int load_reverse_index(struct repository *r, struct bitmap_index *bitmap_git) { if (bitmap_is_midx(bitmap_git)) { uint32_t i; @@ -475,23 +479,23 @@ static int load_reverse_index(struct bitmap_index *bitmap_git) * since we will need to make use of them in pack-objects. */ for (i = 0; i < bitmap_git->midx->num_packs; i++) { - ret = load_pack_revindex(bitmap_git->midx->packs[i]); + ret = load_pack_revindex(r, bitmap_git->midx->packs[i]); if (ret) return ret; } return 0; } - return load_pack_revindex(bitmap_git->pack); + return load_pack_revindex(r, bitmap_git->pack); } -static int load_bitmap(struct bitmap_index *bitmap_git) +static int load_bitmap(struct repository *r, struct bitmap_index *bitmap_git) { assert(bitmap_git->map); bitmap_git->bitmaps = kh_init_oid_map(); bitmap_git->ext_index.positions = kh_init_oid_pos(); - if (load_reverse_index(bitmap_git)) + if (load_reverse_index(r, bitmap_git)) goto failed; if (!(bitmap_git->commits = read_bitmap_1(bitmap_git)) || @@ -525,11 +529,16 @@ static int open_pack_bitmap(struct repository *r, struct packed_git *p; int ret = -1; - assert(!bitmap_git->map); - for (p = get_all_packs(r); p; p = p->next) { - if (open_pack_bitmap_1(bitmap_git, p) == 0) + if (open_pack_bitmap_1(bitmap_git, p) == 0) { ret = 0; + /* + * The only reason to keep looking is to report + * duplicates. + */ + if (!trace2_is_enabled()) + break; + } } return ret; @@ -553,18 +562,27 @@ static int open_midx_bitmap(struct repository *r, static int open_bitmap(struct repository *r, struct bitmap_index *bitmap_git) { + int found; + assert(!bitmap_git->map); - if (!open_midx_bitmap(r, bitmap_git)) - return 0; - return open_pack_bitmap(r, bitmap_git); + found = !open_midx_bitmap(r, bitmap_git); + + /* + * these will all be skipped if we opened a midx bitmap; but run it + * anyway if tracing is enabled to report the duplicates + */ + if (!found || trace2_is_enabled()) + found |= !open_pack_bitmap(r, bitmap_git); + + return found ? 0 : -1; } struct bitmap_index *prepare_bitmap_git(struct repository *r) { struct bitmap_index *bitmap_git = xcalloc(1, sizeof(*bitmap_git)); - if (!open_bitmap(r, bitmap_git) && !load_bitmap(bitmap_git)) + if (!open_bitmap(r, bitmap_git) && !load_bitmap(r, bitmap_git)) return bitmap_git; free_bitmap_index(bitmap_git); @@ -573,9 +591,10 @@ struct bitmap_index *prepare_bitmap_git(struct repository *r) struct bitmap_index *prepare_midx_bitmap_git(struct multi_pack_index *midx) { + struct repository *r = the_repository; struct bitmap_index *bitmap_git = xcalloc(1, sizeof(*bitmap_git)); - if (!open_midx_bitmap_1(bitmap_git, midx) && !load_bitmap(bitmap_git)) + if (!open_midx_bitmap_1(bitmap_git, midx) && !load_bitmap(r, bitmap_git)) return bitmap_git; free_bitmap_index(bitmap_git); @@ -938,7 +957,8 @@ static void show_object(struct object *object, const char *name, void *data_) bitmap_set(data->base, bitmap_pos); } -static void show_commit(struct commit *commit, void *data) +static void show_commit(struct commit *commit UNUSED, + void *data UNUSED) { } @@ -1575,7 +1595,7 @@ struct bitmap_index *prepare_bitmap_walk(struct rev_info *revs, * from disk. this is the point of no return; after this the rev_list * becomes invalidated and we must perform the revwalk through bitmaps */ - if (load_bitmap(bitmap_git) < 0) + if (load_bitmap(revs->repo, bitmap_git) < 0) goto cleanup; object_array_clear(&revs->pending); @@ -1725,6 +1745,7 @@ int reuse_partial_packfile_from_bitmap(struct bitmap_index *bitmap_git, uint32_t *entries, struct bitmap **reuse_out) { + struct repository *r = the_repository; struct packed_git *pack; struct bitmap *result = bitmap_git->result; struct bitmap *reuse; @@ -1735,7 +1756,7 @@ int reuse_partial_packfile_from_bitmap(struct bitmap_index *bitmap_git, assert(result); - load_reverse_index(bitmap_git); + load_reverse_index(r, bitmap_git); if (bitmap_is_midx(bitmap_git)) pack = bitmap_git->midx->packs[midx_preferred_pack(bitmap_git)]; @@ -1927,7 +1948,8 @@ static void test_bitmap_type(struct bitmap_test_data *tdata, type_name(bitmap_type)); } -static void test_show_object(struct object *object, const char *name, +static void test_show_object(struct object *object, + const char *name UNUSED, void *data) { struct bitmap_test_data *tdata = data; @@ -2114,12 +2136,13 @@ int rebuild_bitmap(const uint32_t *reposition, uint32_t *create_bitmap_mapping(struct bitmap_index *bitmap_git, struct packing_data *mapping) { + struct repository *r = the_repository; uint32_t i, num_objects; uint32_t *reposition; if (!bitmap_is_midx(bitmap_git)) - load_reverse_index(bitmap_git); - else if (load_midx_revindex(bitmap_git->midx) < 0) + load_reverse_index(r, bitmap_git); + else if (load_midx_revindex(bitmap_git->midx)) BUG("rebuild_existing_bitmaps: missing required rev-cache " "extension"); @@ -2301,7 +2324,11 @@ int bitmap_is_midx(struct bitmap_index *bitmap_git) const struct string_list *bitmap_preferred_tips(struct repository *r) { - return repo_config_get_value_multi(r, "pack.preferbitmaptips"); + const struct string_list *dest; + + if (!repo_config_get_string_multi(r, "pack.preferbitmaptips", &dest)) + return dest; + return NULL; } int bitmap_is_preferred_refname(struct repository *r, const char *refname) @@ -2319,3 +2346,48 @@ int bitmap_is_preferred_refname(struct repository *r, const char *refname) return 0; } + +static int verify_bitmap_file(const char *name) +{ + struct stat st; + unsigned char *data; + int fd = git_open(name); + int res = 0; + + /* It is OK to not have the file. */ + if (fd < 0 || fstat(fd, &st)) { + if (fd >= 0) + close(fd); + return 0; + } + + data = xmmap(NULL, st.st_size, PROT_READ, MAP_PRIVATE, fd, 0); + close(fd); + if (!hashfile_checksum_valid(data, st.st_size)) + res = error(_("bitmap file '%s' has invalid checksum"), + name); + + munmap(data, st.st_size); + return res; +} + +int verify_bitmap_files(struct repository *r) +{ + int res = 0; + + for (struct multi_pack_index *m = get_multi_pack_index(r); + m; m = m->next) { + char *midx_bitmap_name = midx_bitmap_filename(m); + res |= verify_bitmap_file(midx_bitmap_name); + free(midx_bitmap_name); + } + + for (struct packed_git *p = get_all_packs(r); + p; p = p->next) { + char *pack_bitmap_name = pack_bitmap_filename(p); + res |= verify_bitmap_file(pack_bitmap_name); + free(pack_bitmap_name); + } + + return res; +} |