diff options
Diffstat (limited to 'sha1_file.c')
-rw-r--r-- | sha1_file.c | 100 |
1 files changed, 39 insertions, 61 deletions
diff --git a/sha1_file.c b/sha1_file.c index a38854ce55..3f70b1d86a 100644 --- a/sha1_file.c +++ b/sha1_file.c @@ -36,9 +36,6 @@ static inline uintmax_t sz_fmt(size_t s) { return s; } const unsigned char null_sha1[20]; -static const char *no_log_pack_access = "no_log_pack_access"; -static const char *log_pack_access; - /* * This is meant to hold a *small* number of objects that you would * want read_sha1_file() to be able to return, but yet you do not want @@ -268,9 +265,9 @@ static struct alternate_object_database **alt_odb_tail; * SHA1, an extra slash for the first level indirection, and the * terminating NUL. */ -static int link_alt_odb_entry(const char *entry, const char *relative_base, int depth) +static int link_alt_odb_entry(const char *entry, const char *relative_base, + int depth, const char *normalized_objdir) { - const char *objdir = get_object_directory(); struct alternate_object_database *ent; struct alternate_object_database *alt; int pfxlen, entlen; @@ -321,7 +318,7 @@ static int link_alt_odb_entry(const char *entry, const char *relative_base, int return -1; } } - if (!strcmp(ent->base, objdir)) { + if (!strcmp_icase(ent->base, normalized_objdir)) { free(ent); return -1; } @@ -345,6 +342,7 @@ static void link_alt_odb_entries(const char *alt, int len, int sep, struct string_list entries = STRING_LIST_INIT_NODUP; char *alt_copy; int i; + struct strbuf objdirbuf = STRBUF_INIT; if (depth > 5) { error("%s: ignoring alternate object stores, nesting too deep.", @@ -352,6 +350,9 @@ static void link_alt_odb_entries(const char *alt, int len, int sep, return; } + strbuf_addstr(&objdirbuf, absolute_path(get_object_directory())); + normalize_path_copy(objdirbuf.buf, objdirbuf.buf); + alt_copy = xmemdupz(alt, len); string_list_split_in_place(&entries, alt_copy, sep, -1); for (i = 0; i < entries.nr; i++) { @@ -362,11 +363,12 @@ static void link_alt_odb_entries(const char *alt, int len, int sep, error("%s: ignoring relative alternate object store %s", relative_base, entry); } else { - link_alt_odb_entry(entry, relative_base, depth); + link_alt_odb_entry(entry, relative_base, depth, objdirbuf.buf); } } string_list_clear(&entries, 0); free(alt_copy); + strbuf_release(&objdirbuf); } void read_info_alternates(const char * relative_base, int depth) @@ -1178,48 +1180,42 @@ static void report_pack_garbage(struct string_list *list) static void prepare_packed_git_one(char *objdir, int local) { - /* Ensure that this buffer is large enough so that we can - append "/pack/" without clobbering the stack even if - strlen(objdir) were PATH_MAX. */ - char path[PATH_MAX + 1 + 4 + 1 + 1]; - int len; + struct strbuf path = STRBUF_INIT; + size_t dirnamelen; DIR *dir; struct dirent *de; struct string_list garbage = STRING_LIST_INIT_DUP; - sprintf(path, "%s/pack", objdir); - len = strlen(path); - dir = opendir(path); + strbuf_addstr(&path, objdir); + strbuf_addstr(&path, "/pack"); + dir = opendir(path.buf); if (!dir) { if (errno != ENOENT) error("unable to open object pack directory: %s: %s", - path, strerror(errno)); + path.buf, strerror(errno)); + strbuf_release(&path); return; } - path[len++] = '/'; + strbuf_addch(&path, '/'); + dirnamelen = path.len; while ((de = readdir(dir)) != NULL) { - int namelen = strlen(de->d_name); struct packed_git *p; - - if (len + namelen + 1 > sizeof(path)) { - if (report_garbage) { - struct strbuf sb = STRBUF_INIT; - strbuf_addf(&sb, "%.*s/%s", len - 1, path, de->d_name); - report_garbage("path too long", sb.buf); - strbuf_release(&sb); - } - continue; - } + size_t base_len; if (is_dot_or_dotdot(de->d_name)) continue; - strcpy(path + len, de->d_name); + strbuf_setlen(&path, dirnamelen); + strbuf_addstr(&path, de->d_name); - if (has_extension(de->d_name, ".idx")) { + base_len = path.len; + if (strip_suffix_mem(path.buf, &base_len, ".idx")) { /* Don't reopen a pack we already have. */ for (p = packed_git; p; p = p->next) { - if (!memcmp(path, p->pack_name, len + namelen - 4)) + size_t len; + if (strip_suffix(p->pack_name, ".pack", &len) && + len == base_len && + !memcmp(p->pack_name, path.buf, len)) break; } if (p == NULL && @@ -1227,24 +1223,25 @@ static void prepare_packed_git_one(char *objdir, int local) * See if it really is a valid .idx file with * corresponding .pack file that we can map. */ - (p = add_packed_git(path, len + namelen, local)) != NULL) + (p = add_packed_git(path.buf, path.len, local)) != NULL) install_packed_git(p); } if (!report_garbage) continue; - if (has_extension(de->d_name, ".idx") || - has_extension(de->d_name, ".pack") || - has_extension(de->d_name, ".bitmap") || - has_extension(de->d_name, ".keep")) - string_list_append(&garbage, path); + if (ends_with(de->d_name, ".idx") || + ends_with(de->d_name, ".pack") || + ends_with(de->d_name, ".bitmap") || + ends_with(de->d_name, ".keep")) + string_list_append(&garbage, path.buf); else - report_garbage("garbage found", path); + report_garbage("garbage found", path.buf); } closedir(dir); report_pack_garbage(&garbage); string_list_clear(&garbage, 0); + strbuf_release(&path); } static int sort_pack(const void *a_, const void *b_) @@ -2086,27 +2083,9 @@ static void *read_object(const unsigned char *sha1, enum object_type *type, static void write_pack_access_log(struct packed_git *p, off_t obj_offset) { - static FILE *log_file; - - if (!log_pack_access) - log_pack_access = getenv("GIT_TRACE_PACK_ACCESS"); - if (!log_pack_access) - log_pack_access = no_log_pack_access; - if (log_pack_access == no_log_pack_access) - return; - - if (!log_file) { - log_file = fopen(log_pack_access, "w"); - if (!log_file) { - error("cannot open pack access log '%s' for writing: %s", - log_pack_access, strerror(errno)); - log_pack_access = no_log_pack_access; - return; - } - } - fprintf(log_file, "%s %"PRIuMAX"\n", - p->pack_name, (uintmax_t)obj_offset); - fflush(log_file); + static struct trace_key pack_access = TRACE_KEY_INIT(PACK_ACCESS); + trace_printf_key(&pack_access, "%s %"PRIuMAX"\n", + p->pack_name, (uintmax_t)obj_offset); } int do_check_packed_object_crc; @@ -2131,8 +2110,7 @@ void *unpack_entry(struct packed_git *p, off_t obj_offset, int delta_stack_nr = 0, delta_stack_alloc = UNPACK_ENTRY_STACK_PREALLOC; int base_from_cache = 0; - if (log_pack_access != no_log_pack_access) - write_pack_access_log(p, obj_offset); + write_pack_access_log(p, obj_offset); /* PHASE 1: drill down to the innermost base object */ for (;;) { |