diff options
| -rw-r--r-- | Makefile | 2 | ||||
| -rw-r--r-- | bisect.c | 70 | ||||
| -rw-r--r-- | builtin/fetch-pack.c | 2 | ||||
| -rw-r--r-- | builtin/receive-pack.c | 16 | ||||
| -rw-r--r-- | sha1-array.c | 59 | ||||
| -rw-r--r-- | sha1-array.h | 24 | ||||
| -rw-r--r-- | transport.c | 20 | ||||
| -rw-r--r-- | transport.h | 2 |
8 files changed, 132 insertions, 63 deletions
@@ -545,6 +545,7 @@ LIB_H += rerere.h LIB_H += resolve-undo.h LIB_H += revision.h LIB_H += run-command.h +LIB_H += sha1-array.h LIB_H += sha1-lookup.h LIB_H += sideband.h LIB_H += sigchain.h @@ -647,6 +648,7 @@ LIB_OBJS += revision.o LIB_OBJS += run-command.o LIB_OBJS += server-info.o LIB_OBJS += setup.o +LIB_OBJS += sha1-array.o LIB_OBJS += sha1-lookup.o LIB_OBJS += sha1_file.o LIB_OBJS += sha1_name.o @@ -9,13 +9,7 @@ #include "run-command.h" #include "log-tree.h" #include "bisect.h" - -struct sha1_array { - unsigned char (*sha1)[20]; - int sha1_nr; - int sha1_alloc; - int sorted; -}; +#include "sha1-array.h" static struct sha1_array good_revs; static struct sha1_array skipped_revs; @@ -425,22 +419,15 @@ static void argv_array_push_sha1(struct argv_array *array, argv_array_push(array, strbuf_detach(&buf, NULL)); } -static void sha1_array_push(struct sha1_array *array, - const unsigned char *sha1) -{ - ALLOC_GROW(array->sha1, array->sha1_nr + 1, array->sha1_alloc); - hashcpy(array->sha1[array->sha1_nr++], sha1); -} - static int register_ref(const char *refname, const unsigned char *sha1, int flags, void *cb_data) { if (!strcmp(refname, "bad")) { current_bad_sha1 = sha1; } else if (!prefixcmp(refname, "good-")) { - sha1_array_push(&good_revs, sha1); + sha1_array_append(&good_revs, sha1); } else if (!prefixcmp(refname, "skip-")) { - sha1_array_push(&skipped_revs, sha1); + sha1_array_append(&skipped_revs, sha1); } return 0; @@ -477,41 +464,14 @@ static void read_bisect_paths(struct argv_array *array) fclose(fp); } -static int array_cmp(const void *a, const void *b) -{ - return hashcmp(a, b); -} - -static void sort_sha1_array(struct sha1_array *array) -{ - qsort(array->sha1, array->sha1_nr, sizeof(*array->sha1), array_cmp); - - array->sorted = 1; -} - -static const unsigned char *sha1_access(size_t index, void *table) -{ - unsigned char (*array)[20] = table; - return array[index]; -} - -static int lookup_sha1_array(struct sha1_array *array, - const unsigned char *sha1) -{ - if (!array->sorted) - sort_sha1_array(array); - - return sha1_pos(sha1, array->sha1, array->sha1_nr, sha1_access); -} - static char *join_sha1_array_hex(struct sha1_array *array, char delim) { struct strbuf joined_hexs = STRBUF_INIT; int i; - for (i = 0; i < array->sha1_nr; i++) { + for (i = 0; i < array->nr; i++) { strbuf_addstr(&joined_hexs, sha1_to_hex(array->sha1[i])); - if (i + 1 < array->sha1_nr) + if (i + 1 < array->nr) strbuf_addch(&joined_hexs, delim); } @@ -546,13 +506,13 @@ struct commit_list *filter_skipped(struct commit_list *list, if (count) *count = 0; - if (!skipped_revs.sha1_nr) + if (!skipped_revs.nr) return list; while (list) { struct commit_list *next = list->next; list->next = NULL; - if (0 <= lookup_sha1_array(&skipped_revs, + if (0 <= sha1_array_lookup(&skipped_revs, list->item->object.sha1)) { if (skipped_first && !*skipped_first) *skipped_first = 1; @@ -647,7 +607,7 @@ static struct commit_list *managed_skipped(struct commit_list *list, *tried = NULL; - if (!skipped_revs.sha1_nr) + if (!skipped_revs.nr) return list; list = filter_skipped(list, tried, 0, &count, &skipped_first); @@ -672,7 +632,7 @@ static void bisect_rev_setup(struct rev_info *revs, const char *prefix, /* rev_argv.argv[0] will be ignored by setup_revisions */ argv_array_push(&rev_argv, xstrdup("bisect_rev_setup")); argv_array_push_sha1(&rev_argv, current_bad_sha1, bad_format); - for (i = 0; i < good_revs.sha1_nr; i++) + for (i = 0; i < good_revs.nr; i++) argv_array_push_sha1(&rev_argv, good_revs.sha1[i], good_format); argv_array_push(&rev_argv, xstrdup("--")); @@ -772,12 +732,12 @@ static struct commit *get_commit_reference(const unsigned char *sha1) static struct commit **get_bad_and_good_commits(int *rev_nr) { - int len = 1 + good_revs.sha1_nr; + int len = 1 + good_revs.nr; struct commit **rev = xmalloc(len * sizeof(*rev)); int i, n = 0; rev[n++] = get_commit_reference(current_bad_sha1); - for (i = 0; i < good_revs.sha1_nr; i++) + for (i = 0; i < good_revs.nr; i++) rev[n++] = get_commit_reference(good_revs.sha1[i]); *rev_nr = n; @@ -840,9 +800,9 @@ static void check_merge_bases(void) const unsigned char *mb = result->item->object.sha1; if (!hashcmp(mb, current_bad_sha1)) { handle_bad_merge_base(); - } else if (0 <= lookup_sha1_array(&good_revs, mb)) { + } else if (0 <= sha1_array_lookup(&good_revs, mb)) { continue; - } else if (0 <= lookup_sha1_array(&skipped_revs, mb)) { + } else if (0 <= sha1_array_lookup(&skipped_revs, mb)) { handle_skipped_merge_base(mb); } else { printf("Bisecting: a merge base must be tested\n"); @@ -903,7 +863,7 @@ static void check_good_are_ancestors_of_bad(const char *prefix) return; /* Bisecting with no good rev is ok. */ - if (good_revs.sha1_nr == 0) + if (good_revs.nr == 0) return; /* Check if all good revs are ancestor of the bad rev. */ @@ -968,7 +928,7 @@ int bisect_next_all(const char *prefix) bisect_common(&revs); revs.commits = find_bisection(revs.commits, &reaches, &all, - !!skipped_revs.sha1_nr); + !!skipped_revs.nr); revs.commits = managed_skipped(revs.commits, &tried); if (!revs.commits) { diff --git a/builtin/fetch-pack.c b/builtin/fetch-pack.c index 56c0b4a38..436798410 100644 --- a/builtin/fetch-pack.c +++ b/builtin/fetch-pack.c @@ -226,7 +226,7 @@ static void insert_one_alternate_ref(const struct ref *ref, void *unused) static void insert_alternate_refs(void) { - foreach_alt_odb(refs_from_alternate_cb, insert_one_alternate_ref); + for_each_alternate_ref(insert_one_alternate_ref, NULL); } #define INITIAL_FLUSH 16 diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c index e1ba4dc69..e1a687ad0 100644 --- a/builtin/receive-pack.c +++ b/builtin/receive-pack.c @@ -10,6 +10,7 @@ #include "remote.h" #include "transport.h" #include "string-list.h" +#include "sha1-array.h" static const char receive_pack_usage[] = "git receive-pack <git-dir>"; @@ -731,14 +732,23 @@ static int delete_only(struct command *commands) return 1; } -static void add_one_alternate_ref(const struct ref *ref, void *unused) +static void add_one_alternate_sha1(const unsigned char sha1[20], void *unused) { - add_extra_ref(".have", ref->old_sha1, 0); + add_extra_ref(".have", sha1, 0); +} + +static void collect_one_alternate_ref(const struct ref *ref, void *data) +{ + struct sha1_array *sa = data; + sha1_array_append(sa, ref->old_sha1); } static void add_alternate_refs(void) { - foreach_alt_odb(refs_from_alternate_cb, add_one_alternate_ref); + struct sha1_array sa = SHA1_ARRAY_INIT; + for_each_alternate_ref(collect_one_alternate_ref, &sa); + sha1_array_for_each_unique(&sa, add_one_alternate_sha1, NULL); + sha1_array_clear(&sa); } int cmd_receive_pack(int argc, const char **argv, const char *prefix) diff --git a/sha1-array.c b/sha1-array.c new file mode 100644 index 000000000..b2f47f98f --- /dev/null +++ b/sha1-array.c @@ -0,0 +1,59 @@ +#include "cache.h" +#include "sha1-array.h" +#include "sha1-lookup.h" + +void sha1_array_append(struct sha1_array *array, const unsigned char *sha1) +{ + ALLOC_GROW(array->sha1, array->nr + 1, array->alloc); + hashcpy(array->sha1[array->nr++], sha1); + array->sorted = 0; +} + +static int void_hashcmp(const void *a, const void *b) +{ + return hashcmp(a, b); +} + +void sha1_array_sort(struct sha1_array *array) +{ + qsort(array->sha1, array->nr, sizeof(*array->sha1), void_hashcmp); + array->sorted = 1; +} + +static const unsigned char *sha1_access(size_t index, void *table) +{ + unsigned char (*array)[20] = table; + return array[index]; +} + +int sha1_array_lookup(struct sha1_array *array, const unsigned char *sha1) +{ + if (!array->sorted) + sha1_array_sort(array); + return sha1_pos(sha1, array->sha1, array->nr, sha1_access); +} + +void sha1_array_clear(struct sha1_array *array) +{ + free(array->sha1); + array->sha1 = NULL; + array->nr = 0; + array->alloc = 0; + array->sorted = 0; +} + +void sha1_array_for_each_unique(struct sha1_array *array, + for_each_sha1_fn fn, + void *data) +{ + int i; + + if (!array->sorted) + sha1_array_sort(array); + + for (i = 0; i < array->nr; i++) { + if (i > 0 && !hashcmp(array->sha1[i], array->sha1[i-1])) + continue; + fn(array->sha1[i], data); + } +} diff --git a/sha1-array.h b/sha1-array.h new file mode 100644 index 000000000..4499b5dad --- /dev/null +++ b/sha1-array.h @@ -0,0 +1,24 @@ +#ifndef SHA1_ARRAY_H +#define SHA1_ARRAY_H + +struct sha1_array { + unsigned char (*sha1)[20]; + int nr; + int alloc; + int sorted; +}; + +#define SHA1_ARRAY_INIT { NULL, 0, 0, 0 } + +void sha1_array_append(struct sha1_array *array, const unsigned char *sha1); +void sha1_array_sort(struct sha1_array *array); +int sha1_array_lookup(struct sha1_array *array, const unsigned char *sha1); +void sha1_array_clear(struct sha1_array *array); + +typedef void (*for_each_sha1_fn)(const unsigned char sha1[20], + void *data); +void sha1_array_for_each_unique(struct sha1_array *array, + for_each_sha1_fn fn, + void *data); + +#endif /* SHA1_ARRAY_H */ diff --git a/transport.c b/transport.c index a02f79aae..1a3998ee5 100644 --- a/transport.c +++ b/transport.c @@ -1190,14 +1190,20 @@ literal_copy: return xstrdup(url); } -int refs_from_alternate_cb(struct alternate_object_database *e, void *cb) +struct alternate_refs_data { + alternate_ref_fn *fn; + void *data; +}; + +static int refs_from_alternate_cb(struct alternate_object_database *e, + void *data) { char *other; size_t len; struct remote *remote; struct transport *transport; const struct ref *extra; - alternate_ref_fn *ref_fn = cb; + struct alternate_refs_data *cb = data; e->name[-1] = '\0'; other = xstrdup(real_path(e->base)); @@ -1218,8 +1224,16 @@ int refs_from_alternate_cb(struct alternate_object_database *e, void *cb) for (extra = transport_get_remote_refs(transport); extra; extra = extra->next) - ref_fn(extra, NULL); + cb->fn(extra, cb->data); transport_disconnect(transport); free(other); return 0; } + +void for_each_alternate_ref(alternate_ref_fn fn, void *data) +{ + struct alternate_refs_data cb; + cb.fn = fn; + cb.data = data; + foreach_alt_odb(refs_from_alternate_cb, &cb); +} diff --git a/transport.h b/transport.h index efb196886..161d724bb 100644 --- a/transport.h +++ b/transport.h @@ -167,6 +167,6 @@ void transport_print_push_status(const char *dest, struct ref *refs, int verbose, int porcelain, int *nonfastforward); typedef void alternate_ref_fn(const struct ref *, void *); -extern int refs_from_alternate_cb(struct alternate_object_database *e, void *cb); +extern void for_each_alternate_ref(alternate_ref_fn, void *); #endif |