diff options
Diffstat (limited to 'builtin/fetch-pack.c')
-rw-r--r-- | builtin/fetch-pack.c | 169 |
1 files changed, 64 insertions, 105 deletions
diff --git a/builtin/fetch-pack.c b/builtin/fetch-pack.c index fdda36f14..e6443986b 100644 --- a/builtin/fetch-pack.c +++ b/builtin/fetch-pack.c @@ -525,72 +525,59 @@ static void mark_recent_complete_commits(unsigned long cutoff) } } -static void filter_refs(struct ref **refs, int nr_match, char **match) +static int non_matching_ref(struct string_list_item *item, void *unused) +{ + if (item->util) { + item->util = NULL; + return 0; + } + else + return 1; +} + +static void filter_refs(struct ref **refs, struct string_list *sought) { - struct ref **return_refs; struct ref *newlist = NULL; struct ref **newtail = &newlist; struct ref *ref, *next; - struct ref *fastarray[32]; - int match_pos; - - if (nr_match && !args.fetch_all) { - if (ARRAY_SIZE(fastarray) < nr_match) - return_refs = xcalloc(nr_match, sizeof(struct ref *)); - else { - return_refs = fastarray; - memset(return_refs, 0, sizeof(struct ref *) * nr_match); - } - } - else - return_refs = NULL; + int sought_pos; - match_pos = 0; + sought_pos = 0; for (ref = *refs; ref; ref = next) { + int keep = 0; next = ref->next; if (!memcmp(ref->name, "refs/", 5) && check_refname_format(ref->name + 5, 0)) ; /* trash */ - else if (args.fetch_all && - (!args.depth || prefixcmp(ref->name, "refs/tags/") )) { - *newtail = ref; - ref->next = NULL; - newtail = &ref->next; - continue; - } else { - int cmp = -1; - while (match_pos < nr_match) { - cmp = strcmp(ref->name, match[match_pos]); - if (cmp < 0) /* definitely do not have it */ - break; - else if (cmp == 0) { /* definitely have it */ - match[match_pos][0] = '\0'; - return_refs[match_pos] = ref; + while (sought_pos < sought->nr) { + int cmp = strcmp(ref->name, sought->items[sought_pos].string); + if (cmp < 0) + break; /* definitely do not have it */ + else if (cmp == 0) { + keep = 1; /* definitely have it */ + sought->items[sought_pos++].util = "matched"; break; } - else /* might have it; keep looking */ - match_pos++; + else + sought_pos++; /* might have it; keep looking */ } - if (!cmp) - continue; /* we will link it later */ } - free(ref); - } - if (!args.fetch_all) { - int i; - for (i = 0; i < nr_match; i++) { - ref = return_refs[i]; - if (ref) { - *newtail = ref; - ref->next = NULL; - newtail = &ref->next; - } + if (! keep && args.fetch_all && + (!args.depth || prefixcmp(ref->name, "refs/tags/"))) + keep = 1; + + if (keep) { + *newtail = ref; + ref->next = NULL; + newtail = &ref->next; + } else { + free(ref); } - if (return_refs != fastarray) - free(return_refs); } + + filter_string_list(sought, 0, non_matching_ref, NULL); *refs = newlist; } @@ -599,7 +586,7 @@ static void mark_alternate_complete(const struct ref *ref, void *unused) mark_complete(NULL, ref->old_sha1, 0, NULL); } -static int everything_local(struct ref **refs, int nr_match, char **match) +static int everything_local(struct ref **refs, struct string_list *sought) { struct ref *ref; int retval; @@ -650,7 +637,7 @@ static int everything_local(struct ref **refs, int nr_match, char **match) } } - filter_refs(refs, nr_match, match); + filter_refs(refs, sought); for (retval = 1, ref = *refs; ref ; ref = ref->next) { const unsigned char *remote = ref->old_sha1; @@ -781,8 +768,7 @@ static int get_pack(int xd[2], char **pack_lockfile) static struct ref *do_fetch_pack(int fd[2], const struct ref *orig_ref, - int nr_match, - char **match, + struct string_list *sought, char **pack_lockfile) { struct ref *ref = copy_ref_list(orig_ref); @@ -839,7 +825,7 @@ static struct ref *do_fetch_pack(int fd[2], agent_len, agent_feature); } - if (everything_local(&ref, nr_match, match)) { + if (everything_local(&ref, sought)) { packet_flush(fd[1]); goto all_done; } @@ -859,19 +845,6 @@ static struct ref *do_fetch_pack(int fd[2], return ref; } -static int remove_duplicates(int nr_heads, char **heads) -{ - int src, dst; - - if (!nr_heads) - return 0; - - for (src = dst = 1; src < nr_heads; src++) - if (strcmp(heads[src], heads[dst-1])) - heads[dst++] = heads[src]; - return dst; -} - static int fetch_pack_config(const char *var, const char *value, void *cb) { if (strcmp(var, "fetch.unpacklimit") == 0) { @@ -922,8 +895,7 @@ int cmd_fetch_pack(int argc, const char **argv, const char *prefix) int i, ret; struct ref *ref = NULL; const char *dest = NULL; - int alloc_heads = 0, nr_heads = 0; - char **heads = NULL; + struct string_list sought = STRING_LIST_INIT_DUP; int fd[2]; char *pack_lockfile = NULL; char **pack_lockfile_ptr = NULL; @@ -1000,9 +972,8 @@ int cmd_fetch_pack(int argc, const char **argv, const char *prefix) * Copy refs from cmdline to growable list, then append any * refs from the standard input: */ - ALLOC_GROW(heads, argc - i, alloc_heads); for (; i < argc; i++) - heads[nr_heads++] = xstrdup(argv[i]); + string_list_append(&sought, xstrdup(argv[i])); if (args.stdin_refs) { if (args.stateless_rpc) { /* in stateless RPC mode we use pkt-line to read @@ -1015,17 +986,14 @@ int cmd_fetch_pack(int argc, const char **argv, const char *prefix) break; if (line[n-1] == '\n') n--; - ALLOC_GROW(heads, nr_heads + 1, alloc_heads); - heads[nr_heads++] = xmemdupz(line, n); + string_list_append(&sought, xmemdupz(line, n)); } } else { /* read from stdin one ref per line, until EOF */ struct strbuf line = STRBUF_INIT; - while (strbuf_getline(&line, stdin, '\n') != EOF) { - ALLOC_GROW(heads, nr_heads + 1, alloc_heads); - heads[nr_heads++] = strbuf_detach(&line, NULL); - } + while (strbuf_getline(&line, stdin, '\n') != EOF) + string_list_append(&sought, strbuf_detach(&line, NULL)); strbuf_release(&line); } } @@ -1042,7 +1010,7 @@ int cmd_fetch_pack(int argc, const char **argv, const char *prefix) get_remote_heads(fd[0], &ref, 0, NULL); ref = fetch_pack(&args, fd, conn, ref, dest, - nr_heads, heads, pack_lockfile_ptr); + &sought, pack_lockfile_ptr); if (pack_lockfile) { printf("lock %s\n", pack_lockfile); fflush(stdout); @@ -1050,21 +1018,18 @@ int cmd_fetch_pack(int argc, const char **argv, const char *prefix) close(fd[0]); close(fd[1]); if (finish_connect(conn)) - ref = NULL; - ret = !ref; - - if (!ret && nr_heads) { - /* If the heads to pull were given, we should have - * consumed all of them by matching the remote. - * Otherwise, 'git fetch remote no-such-ref' would - * silently succeed without issuing an error. - */ - for (i = 0; i < nr_heads; i++) - if (heads[i] && heads[i][0]) { - error("no such remote ref %s", heads[i]); - ret = 1; - } - } + return 1; + + ret = !ref || sought.nr; + + /* + * If the heads to pull were given, we should have consumed + * all of them by matching the remote. Otherwise, 'git fetch + * remote no-such-ref' would silently succeed without issuing + * an error. + */ + for (i = 0; i < sought.nr; i++) + error("no such remote ref %s", sought.items[i].string); while (ref) { printf("%s %s\n", sha1_to_hex(ref->old_sha1), ref->name); @@ -1074,18 +1039,12 @@ int cmd_fetch_pack(int argc, const char **argv, const char *prefix) return ret; } -static int compare_heads(const void *a, const void *b) -{ - return strcmp(*(const char **)a, *(const char **)b); -} - struct ref *fetch_pack(struct fetch_pack_args *my_args, int fd[], struct child_process *conn, const struct ref *ref, - const char *dest, - int nr_heads, - char **heads, - char **pack_lockfile) + const char *dest, + struct string_list *sought, + char **pack_lockfile) { struct stat st; struct ref *ref_cpy; @@ -1098,16 +1057,16 @@ struct ref *fetch_pack(struct fetch_pack_args *my_args, st.st_mtime = 0; } - if (heads && nr_heads) { - qsort(heads, nr_heads, sizeof(*heads), compare_heads); - nr_heads = remove_duplicates(nr_heads, heads); + if (sought->nr) { + sort_string_list(sought); + string_list_remove_duplicates(sought, 0); } if (!ref) { packet_flush(fd[1]); die("no matching remote head"); } - ref_cpy = do_fetch_pack(fd, ref, nr_heads, heads, pack_lockfile); + ref_cpy = do_fetch_pack(fd, ref, sought, pack_lockfile); if (args.depth > 0) { struct cache_time mtime; |