diff options
Diffstat (limited to 'setup.c')
-rw-r--r-- | setup.c | 103 |
1 files changed, 70 insertions, 33 deletions
@@ -5,6 +5,7 @@ static int inside_git_dir = -1; static int inside_work_tree = -1; static int work_tree_config_is_bogus; +static struct string_list unknown_extensions = STRING_LIST_INIT_DUP; /* * The input parameter must contain an absolute path, and it must already be @@ -99,10 +100,7 @@ char *prefix_path_gently(const char *prefix, int len, return NULL; } } else { - sanitized = xmalloc(len + strlen(path) + 1); - if (len) - memcpy(sanitized, prefix, len); - strcpy(sanitized + len, path); + sanitized = xstrfmt("%.*s%s", len, prefix, path); if (remaining_prefix) *remaining_prefix = len; if (normalize_path_copy_len(sanitized, sanitized, remaining_prefix)) { @@ -141,9 +139,7 @@ int check_filename(const char *prefix, const char *arg) if (arg[2] == '\0') /* ":/" is root dir, always exists */ return 1; name = arg + 2; - } else if (!no_wildcard(arg)) - return 1; - else if (prefix) + } else if (prefix) name = prefix_filename(prefix, strlen(prefix), arg); else name = arg; @@ -204,7 +200,7 @@ void verify_filename(const char *prefix, { if (*arg == '-') die("bad flag '%s' used after filename", arg); - if (check_filename(prefix, arg)) + if (check_filename(prefix, arg) || !no_wildcard(arg)) return; die_verify_filename(prefix, arg, diagnose_misspelt_rev); } @@ -229,14 +225,21 @@ void verify_non_filename(const char *prefix, const char *arg) int get_common_dir(struct strbuf *sb, const char *gitdir) { + const char *git_env_common_dir = getenv(GIT_COMMON_DIR_ENVIRONMENT); + if (git_env_common_dir) { + strbuf_addstr(sb, git_env_common_dir); + return 1; + } else { + return get_common_dir_noenv(sb, gitdir); + } +} + +int get_common_dir_noenv(struct strbuf *sb, const char *gitdir) +{ struct strbuf data = STRBUF_INIT; struct strbuf path = STRBUF_INIT; - const char *git_common_dir = getenv(GIT_COMMON_DIR_ENVIRONMENT); int ret = 0; - if (git_common_dir) { - strbuf_addstr(sb, git_common_dir); - return 1; - } + strbuf_addf(&path, "%s/commondir", gitdir); if (file_exists(path.buf)) { if (strbuf_read_file(&data, path.buf, 0) <= 0) @@ -307,6 +310,23 @@ done: return ret; } +int is_nonbare_repository_dir(struct strbuf *path) +{ + int ret = 0; + int gitfile_error; + size_t orig_path_len = path->len; + assert(orig_path_len != 0); + strbuf_complete(path, '/'); + strbuf_addstr(path, ".git"); + if (read_gitfile_gently(path->buf, &gitfile_error) || is_git_directory(path->buf)) + ret = 1; + if (gitfile_error == READ_GITFILE_ERR_OPEN_FAILED || + gitfile_error == READ_GITFILE_ERR_READ_FAILED) + ret = 1; + strbuf_setlen(path, orig_path_len); + return ret; +} + int is_inside_git_dir(void) { if (inside_git_dir < 0) @@ -352,10 +372,25 @@ void setup_work_tree(void) static int check_repo_format(const char *var, const char *value, void *cb) { + const char *ext; + if (strcmp(var, "core.repositoryformatversion") == 0) repository_format_version = git_config_int(var, value); else if (strcmp(var, "core.sharedrepository") == 0) shared_repository = git_config_perm(var, value); + else if (skip_prefix(var, "extensions.", &ext)) { + /* + * record any known extensions here; otherwise, + * we fall through to recording it as unknown, and + * check_repository_format will complain + */ + if (!strcmp(ext, "noop")) + ; + else if (!strcmp(ext, "preciousobjects")) + repository_format_precious_objects = git_config_bool(var, value); + else + string_list_append(&unknown_extensions, ext); + } return 0; } @@ -366,6 +401,8 @@ static int check_repository_format_gently(const char *gitdir, int *nongit_ok) config_fn_t fn; int ret = 0; + string_list_clear(&unknown_extensions, 0); + if (get_common_dir(&sb, gitdir)) fn = check_repo_format; else @@ -383,29 +420,33 @@ static int check_repository_format_gently(const char *gitdir, int *nongit_ok) * is a good one. */ git_config_early(fn, NULL, repo_config); - if (GIT_REPO_VERSION < repository_format_version) { + if (GIT_REPO_VERSION_READ < repository_format_version) { if (!nongit_ok) die ("Expected git repo version <= %d, found %d", - GIT_REPO_VERSION, repository_format_version); + GIT_REPO_VERSION_READ, repository_format_version); warning("Expected git repo version <= %d, found %d", - GIT_REPO_VERSION, repository_format_version); + GIT_REPO_VERSION_READ, repository_format_version); warning("Please upgrade Git"); *nongit_ok = -1; ret = -1; } - strbuf_release(&sb); - return ret; -} -static void update_linked_gitdir(const char *gitfile, const char *gitdir) -{ - struct strbuf path = STRBUF_INIT; - struct stat st; + if (repository_format_version >= 1 && unknown_extensions.nr) { + int i; - strbuf_addf(&path, "%s/gitfile", gitdir); - if (stat(path.buf, &st) || st.st_mtime + 24 * 3600 < time(NULL)) - write_file(path.buf, 0, "%s\n", gitfile); - strbuf_release(&path); + if (!nongit_ok) + die("unknown repository extension: %s", + unknown_extensions.items[0].string); + + for (i = 0; i < unknown_extensions.nr; i++) + warning("unknown repository extension: %s", + unknown_extensions.items[i].string); + *nongit_ok = -1; + ret = -1; + } + + strbuf_release(&sb); + return ret; } /* @@ -468,11 +509,8 @@ const char *read_gitfile_gently(const char *path, int *return_error_code) if (!is_absolute_path(dir) && (slash = strrchr(path, '/'))) { size_t pathlen = slash+1 - path; - size_t dirlen = pathlen + len - 8; - dir = xmalloc(dirlen + 1); - strncpy(dir, path, pathlen); - strncpy(dir + pathlen, buf + 8, len - 8); - dir[dirlen] = '\0'; + dir = xstrfmt("%.*s%.*s", (int)pathlen, path, + (int)(len - 8), buf + 8); free(buf); buf = dir; } @@ -480,7 +518,6 @@ const char *read_gitfile_gently(const char *path, int *return_error_code) error_code = READ_GITFILE_ERR_NOT_A_REPO; goto cleanup_return; } - update_linked_gitdir(path, dir); path = real_path(dir); cleanup_return: |