diff options
Diffstat (limited to 'setup.c')
-rw-r--r-- | setup.c | 73 |
1 files changed, 58 insertions, 15 deletions
@@ -32,6 +32,7 @@ static int abspath_part_inside_repo(char *path) char *path0; int off; const char *work_tree = get_git_work_tree(); + struct strbuf realpath = STRBUF_INIT; if (!work_tree) return -1; @@ -60,8 +61,10 @@ static int abspath_part_inside_repo(char *path) path++; if (*path == '/') { *path = '\0'; - if (fspathcmp(real_path(path0), work_tree) == 0) { + strbuf_realpath(&realpath, path0, 1); + if (fspathcmp(realpath.buf, work_tree) == 0) { memmove(path0, path + 1, len - (path - path0)); + strbuf_release(&realpath); return 0; } *path = '/'; @@ -69,11 +72,14 @@ static int abspath_part_inside_repo(char *path) } /* check whole path */ - if (fspathcmp(real_path(path0), work_tree) == 0) { + strbuf_realpath(&realpath, path0, 1); + if (fspathcmp(realpath.buf, work_tree) == 0) { *path0 = '\0'; + strbuf_release(&realpath); return 0; } + strbuf_release(&realpath); return -1; } @@ -532,6 +538,37 @@ static int check_repository_format_gently(const char *gitdir, struct repository_ return 0; } +int upgrade_repository_format(int target_version) +{ + struct strbuf sb = STRBUF_INIT; + struct strbuf err = STRBUF_INIT; + struct strbuf repo_version = STRBUF_INIT; + struct repository_format repo_fmt = REPOSITORY_FORMAT_INIT; + + strbuf_git_common_path(&sb, the_repository, "config"); + read_repository_format(&repo_fmt, sb.buf); + strbuf_release(&sb); + + if (repo_fmt.version >= target_version) + return 0; + + if (verify_repository_format(&repo_fmt, &err) < 0) { + error("cannot upgrade repository format from %d to %d: %s", + repo_fmt.version, target_version, err.buf); + strbuf_release(&err); + return -1; + } + if (!repo_fmt.version && repo_fmt.unknown_extensions.nr) + return error("cannot upgrade repository format: " + "unknown extension %s", + repo_fmt.unknown_extensions.items[0].string); + + strbuf_addf(&repo_version, "%d", target_version); + git_config_set("core.repositoryformatversion", repo_version.buf); + strbuf_release(&repo_version); + return 1; +} + static void init_repository_format(struct repository_format *format) { const struct repository_format fresh = REPOSITORY_FORMAT_INIT; @@ -623,6 +660,7 @@ const char *read_gitfile_gently(const char *path, int *return_error_code) struct stat st; int fd; ssize_t len; + static struct strbuf realpath = STRBUF_INIT; if (stat(path, &st)) { /* NEEDSWORK: discern between ENOENT vs other errors */ @@ -673,7 +711,9 @@ const char *read_gitfile_gently(const char *path, int *return_error_code) error_code = READ_GITFILE_ERR_NOT_A_REPO; goto cleanup_return; } - path = real_path(dir); + + strbuf_realpath(&realpath, dir, 1); + path = realpath.buf; cleanup_return: if (return_error_code) @@ -729,7 +769,7 @@ static const char *setup_explicit_git_dir(const char *gitdirenv, } /* #18, #26 */ - set_git_dir(gitdirenv); + set_git_dir(gitdirenv, 0); free(gitfile); return NULL; } @@ -751,7 +791,7 @@ static const char *setup_explicit_git_dir(const char *gitdirenv, } else if (!git_env_bool(GIT_IMPLICIT_WORK_TREE_ENVIRONMENT, 1)) { /* #16d */ - set_git_dir(gitdirenv); + set_git_dir(gitdirenv, 0); free(gitfile); return NULL; } @@ -763,14 +803,14 @@ static const char *setup_explicit_git_dir(const char *gitdirenv, /* both get_git_work_tree() and cwd are already normalized */ if (!strcmp(cwd->buf, worktree)) { /* cwd == worktree */ - set_git_dir(gitdirenv); + set_git_dir(gitdirenv, 0); free(gitfile); return NULL; } offset = dir_inside_of(cwd->buf, worktree); if (offset >= 0) { /* cwd inside worktree? */ - set_git_dir(real_path(gitdirenv)); + set_git_dir(gitdirenv, 1); if (chdir(worktree)) die_errno(_("cannot chdir to '%s'"), worktree); strbuf_addch(cwd, '/'); @@ -779,7 +819,7 @@ static const char *setup_explicit_git_dir(const char *gitdirenv, } /* cwd outside worktree */ - set_git_dir(gitdirenv); + set_git_dir(gitdirenv, 0); free(gitfile); return NULL; } @@ -808,7 +848,7 @@ static const char *setup_discovered_git_dir(const char *gitdir, /* #16.2, #17.2, #20.2, #21.2, #24, #25, #28, #29 (see t1510) */ if (is_bare_repository_cfg > 0) { - set_git_dir(offset == cwd->len ? gitdir : real_path(gitdir)); + set_git_dir(gitdir, (offset != cwd->len)); if (chdir(cwd->buf)) die_errno(_("cannot come back to cwd")); return NULL; @@ -817,7 +857,7 @@ static const char *setup_discovered_git_dir(const char *gitdir, /* #0, #1, #5, #8, #9, #12, #13 */ set_git_work_tree("."); if (strcmp(gitdir, DEFAULT_GIT_DIR_ENVIRONMENT)) - set_git_dir(gitdir); + set_git_dir(gitdir, 0); inside_git_dir = 0; inside_work_tree = 1; if (offset >= cwd->len) @@ -860,10 +900,10 @@ static const char *setup_bare_git_dir(struct strbuf *cwd, int offset, die_errno(_("cannot come back to cwd")); root_len = offset_1st_component(cwd->buf); strbuf_setlen(cwd, offset > root_len ? offset : root_len); - set_git_dir(cwd->buf); + set_git_dir(cwd->buf, 0); } else - set_git_dir("."); + set_git_dir(".", 0); return NULL; } @@ -881,7 +921,7 @@ static dev_t get_device_or_die(const char *path, const char *prefix, int prefix_ /* * A "string_list_each_func_t" function that canonicalizes an entry - * from GIT_CEILING_DIRECTORIES using real_path_if_valid(), or + * from GIT_CEILING_DIRECTORIES using real_pathdup(), or * discards it if unusable. The presence of an empty entry in * GIT_CEILING_DIRECTORIES turns off canonicalization for all * subsequent entries. @@ -1257,11 +1297,14 @@ int git_config_perm(const char *var, const char *value) return -(i & 0666); } -void check_repository_format(void) +void check_repository_format(struct repository_format *fmt) { struct repository_format repo_fmt = REPOSITORY_FORMAT_INIT; - check_repository_format_gently(get_git_dir(), &repo_fmt, NULL); + if (!fmt) + fmt = &repo_fmt; + check_repository_format_gently(get_git_dir(), fmt, NULL); startup_info->have_repository = 1; + repo_set_hash_algo(the_repository, fmt->hash_algo); clear_repository_format(&repo_fmt); } |