From: Junio C Hamano Date: Mon, 30 May 2011 07:09:41 +0000 (-0700) Subject: Merge branch 'jm/maint-misc-fix' into maint X-Git-Tag: v1.7.5.4~14 X-Git-Url: https://git.lorimer.id.au/gitweb.git/diff_plain/5b42477b59886a85d4b49a60313f9b9d4a0d576f?ds=inline;hp=-c Merge branch 'jm/maint-misc-fix' into maint * jm/maint-misc-fix: read_gitfile_gently: use ssize_t to hold read result remove tests of always-false condition rerere.c: diagnose a corrupt MERGE_RR when hitting EOF between TAB and '\0' --- 5b42477b59886a85d4b49a60313f9b9d4a0d576f diff --combined fsck.c index 6f266c1ea4,c17a538def..60bd4bbf6a --- a/fsck.c +++ b/fsck.c @@@ -347,14 -347,26 +347,14 @@@ int fsck_object(struct object *obj, in int fsck_error_function(struct object *obj, int type, const char *fmt, ...) { va_list ap; - int len; struct strbuf sb = STRBUF_INIT; - strbuf_addf(&sb, "object %s:", obj->sha1?sha1_to_hex(obj->sha1):"(null)"); + strbuf_addf(&sb, "object %s:", sha1_to_hex(obj->sha1)); va_start(ap, fmt); - len = vsnprintf(sb.buf + sb.len, strbuf_avail(&sb), fmt, ap); + strbuf_vaddf(&sb, fmt, ap); va_end(ap); - if (len < 0) - len = 0; - if (len >= strbuf_avail(&sb)) { - strbuf_grow(&sb, len + 2); - va_start(ap, fmt); - len = vsnprintf(sb.buf + sb.len, strbuf_avail(&sb), fmt, ap); - va_end(ap); - if (len >= strbuf_avail(&sb)) - die("this should not happen, your snprintf is broken"); - } - error("%s", sb.buf); strbuf_release(&sb); return 1; diff --combined rerere.c index 22dfc843da,283a0024b0..6ec452f7bc --- a/rerere.c +++ b/rerere.c @@@ -7,11 -7,6 +7,11 @@@ #include "ll-merge.h" #include "attr.h" +#define RESOLVED 0 +#define PUNTED 1 +#define THREE_STAGED 2 +void *RERERE_RESOLVED = &RERERE_RESOLVED; + /* if rerere_enabled == -1, fall back to detection of .git/rr-cache */ static int rerere_enabled = -1; @@@ -47,8 -42,14 +47,14 @@@ static void read_rr(struct string_list name = xstrdup(buf); if (fgetc(in) != '\t') die("corrupt MERGE_RR"); - for (i = 0; i < sizeof(buf) && (buf[i] = fgetc(in)); i++) - ; /* do nothing */ + for (i = 0; i < sizeof(buf); i++) { + int c = fgetc(in); + if (c < 0) + die("corrupt MERGE_RR"); + buf[i] = c; + if (c == 0) + break; + } if (i == sizeof(buf)) die("filename too long"); string_list_insert(rr, buf)->util = name; @@@ -350,74 -351,21 +356,74 @@@ static int handle_cache(const char *pat return hunk_no; } -static int find_conflict(struct string_list *conflict) +static int check_one_conflict(int i, int *type) { - int i; - if (read_cache() < 0) - return error("Could not read index"); - for (i = 0; i+1 < active_nr; i++) { + struct cache_entry *e = active_cache[i]; + + if (!ce_stage(e)) { + *type = RESOLVED; + return i + 1; + } + + *type = PUNTED; + if (ce_stage(e) == 1) { + if (active_nr <= ++i) + return i + 1; + } + + /* Only handle regular files with both stages #2 and #3 */ + if (i + 1 < active_nr) { struct cache_entry *e2 = active_cache[i]; - struct cache_entry *e3 = active_cache[i+1]; + struct cache_entry *e3 = active_cache[i + 1]; if (ce_stage(e2) == 2 && ce_stage(e3) == 3 && - ce_same_name(e2, e3) && + ce_same_name(e, e3) && S_ISREG(e2->ce_mode) && - S_ISREG(e3->ce_mode)) { - string_list_insert(conflict, (const char *)e2->name); - i++; /* skip over both #2 and #3 */ + S_ISREG(e3->ce_mode)) + *type = THREE_STAGED; + } + + /* Skip the entries with the same name */ + while (i < active_nr && ce_same_name(e, active_cache[i])) + i++; + return i; +} + +static int find_conflict(struct string_list *conflict) +{ + int i; + if (read_cache() < 0) + return error("Could not read index"); + + for (i = 0; i < active_nr;) { + int conflict_type; + struct cache_entry *e = active_cache[i]; + i = check_one_conflict(i, &conflict_type); + if (conflict_type == THREE_STAGED) + string_list_insert(conflict, (const char *)e->name); + } + return 0; +} + +int rerere_remaining(struct string_list *merge_rr) +{ + int i; + if (read_cache() < 0) + return error("Could not read index"); + + for (i = 0; i < active_nr;) { + int conflict_type; + struct cache_entry *e = active_cache[i]; + i = check_one_conflict(i, &conflict_type); + if (conflict_type == PUNTED) + string_list_insert(merge_rr, (const char *)e->name); + else if (conflict_type == RESOLVED) { + struct string_list_item *it; + it = string_list_lookup(merge_rr, (const char *)e->name); + if (it != NULL) { + free(it->util); + it->util = RERERE_RESOLVED; + } } } return 0; @@@ -438,7 -386,7 +444,7 @@@ static int merge(const char *name, cons ret = 1; goto out; } - ret = ll_merge(&result, path, &base, NULL, &cur, "", &other, "", 0); + ret = ll_merge(&result, path, &base, NULL, &cur, "", &other, "", NULL); if (!ret) { FILE *f; @@@ -590,7 -538,8 +596,7 @@@ static int is_rerere_enabled(void if (rerere_enabled < 0) return rr_cache_exists; - if (!rr_cache_exists && - (mkdir(rr_cache, 0777) || adjust_shared_perm(rr_cache))) + if (!rr_cache_exists && mkdir_in_gitdir(rr_cache)) die("Could not create directory %s", rr_cache); return 1; } diff --combined setup.c index 03cd84f2fc,a975c8b103..e7a37863cc --- a/setup.c +++ b/setup.c @@@ -7,13 -7,10 +7,13 @@@ static int inside_work_tree = -1 char *prefix_path(const char *prefix, int len, const char *path) { const char *orig = path; - char *sanitized = xmalloc(len + strlen(path) + 1); - if (is_absolute_path(orig)) - strcpy(sanitized, path); - else { + char *sanitized; + if (is_absolute_path(orig)) { + const char *temp = real_path(path); + sanitized = xmalloc(len + strlen(temp) + 1); + strcpy(sanitized, temp); + } else { + sanitized = xmalloc(len + strlen(path) + 1); if (len) memcpy(sanitized, prefix, len); strcpy(sanitized + len, path); @@@ -221,7 -218,7 +221,7 @@@ void setup_work_tree(void work_tree = get_git_work_tree(); git_dir = get_git_dir(); if (!is_absolute_path(git_dir)) - git_dir = make_absolute_path(git_dir); + git_dir = real_path(get_git_dir()); if (!work_tree || chdir(work_tree)) die("This operation must be run in a work tree"); @@@ -232,7 -229,7 +232,7 @@@ if (getenv(GIT_WORK_TREE_ENVIRONMENT)) setenv(GIT_WORK_TREE_ENVIRONMENT, ".", 1); - set_git_dir(make_relative_path(git_dir, work_tree)); + set_git_dir(relative_path(git_dir, work_tree)); initialized = 1; } @@@ -275,7 -272,7 +275,7 @@@ const char *read_gitfile_gently(const c const char *slash; struct stat st; int fd; - size_t len; + ssize_t len; if (stat(path, &st)) return NULL; @@@ -312,7 -309,7 +312,7 @@@ if (!is_git_directory(dir)) die("Not a git repository: %s", dir); - path = make_absolute_path(dir); + path = real_path(dir); free(buf); return path; @@@ -392,7 -389,7 +392,7 @@@ static const char *setup_explicit_git_d if (!prefixcmp(cwd, worktree) && cwd[strlen(worktree)] == '/') { /* cwd inside worktree */ - set_git_dir(make_absolute_path(gitdirenv)); + set_git_dir(real_path(gitdirenv)); if (chdir(worktree)) die_errno("Could not chdir to '%s'", worktree); cwd[len++] = '/'; @@@ -417,7 -414,7 +417,7 @@@ static const char *setup_discovered_git /* --work-tree is set without --git-dir; use discovered one */ if (getenv(GIT_WORK_TREE_ENVIRONMENT) || git_work_tree_cfg) { if (offset != len && !is_absolute_path(gitdir)) - gitdir = xstrdup(make_absolute_path(gitdir)); + gitdir = xstrdup(real_path(gitdir)); if (chdir(cwd)) die_errno("Could not come back to cwd"); return setup_explicit_git_dir(gitdir, cwd, len, nongit_ok); @@@ -425,7 -422,7 +425,7 @@@ /* #16.2, #17.2, #20.2, #21.2, #24, #25, #28, #29 (see t1510) */ if (is_bare_repository_cfg > 0) { - set_git_dir(offset == len ? gitdir : make_absolute_path(gitdir)); + set_git_dir(offset == len ? gitdir : real_path(gitdir)); if (chdir(cwd)) die_errno("Could not come back to cwd"); return NULL; diff --combined transport.c index a02f79aae3,26d4e5234a..69dae71103 --- a/transport.c +++ b/transport.c @@@ -156,7 -156,7 +156,7 @@@ static void set_upstreams(struct transp continue; if (!ref->peer_ref) continue; - if (!ref->new_sha1 || is_null_sha1(ref->new_sha1)) + if (is_null_sha1(ref->new_sha1)) continue; /* Follow symbolic refs (mainly for HEAD). */ @@@ -192,7 -192,7 +192,7 @@@ static const char *rsync_url(const cha static struct ref *get_refs_via_rsync(struct transport *transport, int for_push) { struct strbuf buf = STRBUF_INIT, temp_dir = STRBUF_INIT; - struct ref dummy = {0}, *tail = &dummy; + struct ref dummy = {NULL}, *tail = &dummy; struct child_process rsync; const char *args[5]; int temp_dir_len; @@@ -1189,37 -1189,3 +1189,37 @@@ char *transport_anonymize_url(const cha literal_copy: return xstrdup(url); } + +int refs_from_alternate_cb(struct alternate_object_database *e, void *cb) +{ + char *other; + size_t len; + struct remote *remote; + struct transport *transport; + const struct ref *extra; + alternate_ref_fn *ref_fn = cb; + + e->name[-1] = '\0'; + other = xstrdup(real_path(e->base)); + e->name[-1] = '/'; + len = strlen(other); + + while (other[len-1] == '/') + other[--len] = '\0'; + if (len < 8 || memcmp(other + len - 8, "/objects", 8)) + return 0; + /* Is this a git repository with refs? */ + memcpy(other + len - 8, "/refs", 6); + if (!is_directory(other)) + return 0; + other[len - 8] = '\0'; + remote = remote_get(other); + transport = transport_get(remote, other); + for (extra = transport_get_remote_refs(transport); + extra; + extra = extra->next) + ref_fn(extra, NULL); + transport_disconnect(transport); + free(other); + return 0; +}