diff options
Diffstat (limited to 'setup.c')
-rw-r--r-- | setup.c | 240 |
1 files changed, 147 insertions, 93 deletions
@@ -3,6 +3,7 @@ #include "config.h" #include "dir.h" #include "string-list.h" +#include "chdir-notify.h" static int inside_git_dir = -1; static int inside_work_tree = -1; @@ -38,7 +39,7 @@ static int abspath_part_inside_repo(char *path) off = offset_1st_component(path); /* check if work tree is already the prefix */ - if (wtlen <= len && !strncmp(path, work_tree, wtlen)) { + if (wtlen <= len && !fspathncmp(path, work_tree, wtlen)) { if (path[wtlen] == '/') { memmove(path, path + wtlen + 1, len - wtlen); return 0; @@ -58,7 +59,7 @@ static int abspath_part_inside_repo(char *path) path++; if (*path == '/') { *path = '\0'; - if (strcmp(real_path(path0), work_tree) == 0) { + if (fspathcmp(real_path(path0), work_tree) == 0) { memmove(path0, path + 1, len - (path - path0)); return 0; } @@ -67,7 +68,7 @@ static int abspath_part_inside_repo(char *path) } /* check whole path */ - if (strcmp(real_path(path0), work_tree) == 0) { + if (fspathcmp(real_path(path0), work_tree) == 0) { *path0 = '\0'; return 0; } @@ -119,7 +120,7 @@ char *prefix_path(const char *prefix, int len, const char *path) { char *r = prefix_path_gently(prefix, len, NULL, path); if (!r) - die("'%s' is outside repository", path); + die(_("'%s' is outside repository"), path); return r; } @@ -160,10 +161,11 @@ int check_filename(const char *prefix, const char *arg) free(to_free); return 0; /* file does not exist */ } - die_errno("failed to stat '%s'", arg); + die_errno(_("failed to stat '%s'"), arg); } -static void NORETURN die_verify_filename(const char *prefix, +static void NORETURN die_verify_filename(struct repository *r, + const char *prefix, const char *arg, int diagnose_misspelt_rev) { @@ -178,7 +180,7 @@ static void NORETURN die_verify_filename(const char *prefix, * let maybe_die_on_misspelt_object_name() even trigger. */ if (!(arg[0] == ':' && !isalnum(arg[1]))) - maybe_die_on_misspelt_object_name(arg, prefix); + maybe_die_on_misspelt_object_name(r, arg, prefix); /* ... or fall back the most general message. */ die(_("ambiguous argument '%s': unknown revision or path not in the working tree.\n" @@ -230,10 +232,10 @@ void verify_filename(const char *prefix, int diagnose_misspelt_rev) { if (*arg == '-') - die("option '%s' must come before non-option arguments", arg); + die(_("option '%s' must come before non-option arguments"), arg); if (looks_like_pathspec(arg) || check_filename(prefix, arg)) return; - die_verify_filename(prefix, arg, diagnose_misspelt_rev); + die_verify_filename(the_repository, prefix, arg, diagnose_misspelt_rev); } /* @@ -378,21 +380,18 @@ int is_inside_work_tree(void) void setup_work_tree(void) { - const char *work_tree, *git_dir; + const char *work_tree; static int initialized = 0; if (initialized) return; if (work_tree_config_is_bogus) - die("unable to set up work tree using invalid config"); + die(_("unable to set up work tree using invalid config")); work_tree = get_git_work_tree(); - git_dir = get_git_dir(); - if (!is_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"); + if (!work_tree || chdir_notify(work_tree)) + die(_("this operation must be run in a work tree")); /* * Make sure subsequent git processes find correct worktree @@ -401,10 +400,24 @@ void setup_work_tree(void) if (getenv(GIT_WORK_TREE_ENVIRONMENT)) setenv(GIT_WORK_TREE_ENVIRONMENT, ".", 1); - set_git_dir(remove_leading_path(git_dir, work_tree)); initialized = 1; } +static int read_worktree_config(const char *var, const char *value, void *vdata) +{ + struct repository_format *data = vdata; + + if (strcmp(var, "core.bare") == 0) { + data->is_bare = git_config_bool(var, value); + } else if (strcmp(var, "core.worktree") == 0) { + if (!value) + return config_error_nonbool(var); + free(data->work_tree); + data->work_tree = xstrdup(value); + } + return 0; +} + static int check_repo_format(const char *var, const char *value, void *vdata) { struct repository_format *data = vdata; @@ -422,16 +435,17 @@ static int check_repo_format(const char *var, const char *value, void *vdata) ; else if (!strcmp(ext, "preciousobjects")) data->precious_objects = git_config_bool(var, value); + else if (!strcmp(ext, "partialclone")) { + if (!value) + return config_error_nonbool(var); + data->partial_clone = xstrdup(value); + } else if (!strcmp(ext, "worktreeconfig")) + data->worktree_config = git_config_bool(var, value); else string_list_append(&data->unknown_extensions, ext); - } else if (strcmp(var, "core.bare") == 0) { - data->is_bare = git_config_bool(var, value); - } else if (strcmp(var, "core.worktree") == 0) { - if (!value) - return config_error_nonbool(var); - data->work_tree = xstrdup(value); } - return 0; + + return read_worktree_config(var, value, vdata); } static int check_repository_format_gently(const char *gitdir, struct repository_format *candidate, int *nongit_ok) @@ -464,7 +478,21 @@ static int check_repository_format_gently(const char *gitdir, struct repository_ } repository_format_precious_objects = candidate->precious_objects; + repository_format_partial_clone = xstrdup_or_null(candidate->partial_clone); + repository_format_worktree_config = candidate->worktree_config; string_list_clear(&candidate->unknown_extensions, 0); + + if (repository_format_worktree_config) { + /* + * pick up core.bare and core.worktree from per-worktree + * config if present + */ + strbuf_addf(&sb, "%s/config.worktree", gitdir); + git_config_from_file(read_worktree_config, sb.buf, candidate); + strbuf_release(&sb); + has_common = 0; + } + if (!has_common) { if (candidate->is_bare != -1) { is_bare_repository_cfg = candidate->is_bare; @@ -473,27 +501,38 @@ static int check_repository_format_gently(const char *gitdir, struct repository_ } if (candidate->work_tree) { free(git_work_tree_cfg); - git_work_tree_cfg = candidate->work_tree; + git_work_tree_cfg = xstrdup(candidate->work_tree); inside_work_tree = -1; } - } else { - free(candidate->work_tree); } return 0; } +static void init_repository_format(struct repository_format *format) +{ + const struct repository_format fresh = REPOSITORY_FORMAT_INIT; + + memcpy(format, &fresh, sizeof(fresh)); +} + int read_repository_format(struct repository_format *format, const char *path) { - memset(format, 0, sizeof(*format)); - format->version = -1; - format->is_bare = -1; - format->hash_algo = GIT_HASH_SHA1; - string_list_init(&format->unknown_extensions, 1); + clear_repository_format(format); git_config_from_file(check_repo_format, path, format); + if (format->version == -1) + clear_repository_format(format); return format->version; } +void clear_repository_format(struct repository_format *format) +{ + string_list_clear(&format->unknown_extensions, 0); + free(format->work_tree); + free(format->partial_clone); + init_repository_format(format); +} + int verify_repository_format(const struct repository_format *format, struct strbuf *err) { @@ -525,19 +564,19 @@ void read_gitfile_error_die(int error_code, const char *path, const char *dir) /* non-fatal; follow return path */ break; case READ_GITFILE_ERR_OPEN_FAILED: - die_errno("Error opening '%s'", path); + die_errno(_("error opening '%s'"), path); case READ_GITFILE_ERR_TOO_LARGE: - die("Too large to be a .git file: '%s'", path); + die(_("too large to be a .git file: '%s'"), path); case READ_GITFILE_ERR_READ_FAILED: - die("Error reading %s", path); + die(_("error reading %s"), path); case READ_GITFILE_ERR_INVALID_FORMAT: - die("Invalid gitfile format: %s", path); + die(_("invalid gitfile format: %s"), path); case READ_GITFILE_ERR_NO_PATH: - die("No path in gitfile: %s", path); + die(_("no path in gitfile: %s"), path); case READ_GITFILE_ERR_NOT_A_REPO: - die("Not a git repository: %s", dir); + die(_("not a git repository: %s"), dir); default: - die("BUG: unknown error code"); + BUG("unknown error code"); } } @@ -634,7 +673,7 @@ static const char *setup_explicit_git_dir(const char *gitdirenv, int offset; if (PATH_MAX - 40 < strlen(gitdirenv)) - die("'$%s' too big", GIT_DIR_ENVIRONMENT); + die(_("'$%s' too big"), GIT_DIR_ENVIRONMENT); gitfile = (char*)read_gitfile(gitdirenv); if (gitfile) { @@ -648,7 +687,7 @@ static const char *setup_explicit_git_dir(const char *gitdirenv, free(gitfile); return NULL; } - die("Not a git repository: '%s'", gitdirenv); + die(_("not a git repository: '%s'"), gitdirenv); } if (check_repository_format_gently(gitdirenv, repo_fmt, nongit_ok)) { @@ -677,12 +716,12 @@ static const char *setup_explicit_git_dir(const char *gitdirenv, else { char *core_worktree; if (chdir(gitdirenv)) - die_errno("Could not chdir to '%s'", gitdirenv); + die_errno(_("cannot chdir to '%s'"), gitdirenv); if (chdir(git_work_tree_cfg)) - die_errno("Could not chdir to '%s'", git_work_tree_cfg); + die_errno(_("cannot chdir to '%s'"), git_work_tree_cfg); core_worktree = xgetcwd(); if (chdir(cwd->buf)) - die_errno("Could not come back to cwd"); + die_errno(_("cannot come back to cwd")); set_git_work_tree(core_worktree); free(core_worktree); } @@ -710,7 +749,7 @@ static const char *setup_explicit_git_dir(const char *gitdirenv, if (offset >= 0) { /* cwd inside worktree? */ set_git_dir(real_path(gitdirenv)); if (chdir(worktree)) - die_errno("Could not chdir to '%s'", worktree); + die_errno(_("cannot chdir to '%s'"), worktree); strbuf_addch(cwd, '/'); free(gitfile); return cwd->buf + offset; @@ -738,7 +777,7 @@ static const char *setup_discovered_git_dir(const char *gitdir, if (offset != cwd->len && !is_absolute_path(gitdir)) gitdir = to_free = real_pathdup(gitdir, 1); if (chdir(cwd->buf)) - die_errno("Could not come back to cwd"); + die_errno(_("cannot come back to cwd")); ret = setup_explicit_git_dir(gitdir, cwd, repo_fmt, nongit_ok); free(to_free); return ret; @@ -748,7 +787,7 @@ static const char *setup_discovered_git_dir(const char *gitdir, if (is_bare_repository_cfg > 0) { set_git_dir(offset == cwd->len ? gitdir : real_path(gitdir)); if (chdir(cwd->buf)) - die_errno("Could not come back to cwd"); + die_errno(_("cannot come back to cwd")); return NULL; } @@ -787,7 +826,7 @@ static const char *setup_bare_git_dir(struct strbuf *cwd, int offset, gitdir = offset == cwd->len ? "." : xmemdupz(cwd->buf, offset); if (chdir(cwd->buf)) - die_errno("Could not come back to cwd"); + die_errno(_("cannot come back to cwd")); return setup_explicit_git_dir(gitdir, cwd, repo_fmt, nongit_ok); } @@ -795,7 +834,7 @@ static const char *setup_bare_git_dir(struct strbuf *cwd, int offset, inside_work_tree = 0; if (offset != cwd->len) { if (chdir(cwd->buf)) - die_errno("Cannot come back to cwd"); + 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); @@ -805,21 +844,11 @@ static const char *setup_bare_git_dir(struct strbuf *cwd, int offset, return NULL; } -static const char *setup_nongit(const char *cwd, int *nongit_ok) -{ - if (!nongit_ok) - die(_("Not a git repository (or any of the parent directories): %s"), DEFAULT_GIT_DIR_ENVIRONMENT); - if (chdir(cwd)) - die_errno(_("Cannot come back to cwd")); - *nongit_ok = 1; - return NULL; -} - static dev_t get_device_or_die(const char *path, const char *prefix, int prefix_len) { struct stat buf; if (stat(path, &buf)) { - die_errno("failed to stat '%*s%s%s'", + die_errno(_("failed to stat '%*s%s%s'"), prefix_len, prefix ? prefix : "", prefix ? "/" : "", path); @@ -981,7 +1010,7 @@ int discover_git_directory(struct strbuf *commondir, struct strbuf dir = STRBUF_INIT, err = STRBUF_INIT; size_t gitdir_offset = gitdir->len, cwd_len; size_t commondir_offset = commondir->len; - struct repository_format candidate; + struct repository_format candidate = REPOSITORY_FORMAT_INIT; if (strbuf_getcwd(&dir)) return -1; @@ -1018,9 +1047,11 @@ int discover_git_directory(struct strbuf *commondir, strbuf_release(&err); strbuf_setlen(commondir, commondir_offset); strbuf_setlen(gitdir, gitdir_offset); + clear_repository_format(&candidate); return -1; } + clear_repository_format(&candidate); return 0; } @@ -1028,8 +1059,8 @@ const char *setup_git_directory_gently(int *nongit_ok) { static struct strbuf cwd = STRBUF_INIT; struct strbuf dir = STRBUF_INIT, gitdir = STRBUF_INIT; - const char *prefix; - struct repository_format repo_fmt; + const char *prefix = NULL; + struct repository_format repo_fmt = REPOSITORY_FORMAT_INIT; /* * We may have read an incomplete configuration before @@ -1053,47 +1084,66 @@ const char *setup_git_directory_gently(int *nongit_ok) strbuf_addbuf(&dir, &cwd); switch (setup_git_directory_gently_1(&dir, &gitdir, 1)) { - case GIT_DIR_NONE: - prefix = NULL; - break; case GIT_DIR_EXPLICIT: prefix = setup_explicit_git_dir(gitdir.buf, &cwd, &repo_fmt, nongit_ok); break; case GIT_DIR_DISCOVERED: if (dir.len < cwd.len && chdir(dir.buf)) - die(_("Cannot change to '%s'"), dir.buf); + die(_("cannot change to '%s'"), dir.buf); prefix = setup_discovered_git_dir(gitdir.buf, &cwd, dir.len, &repo_fmt, nongit_ok); break; case GIT_DIR_BARE: if (dir.len < cwd.len && chdir(dir.buf)) - die(_("Cannot change to '%s'"), dir.buf); + die(_("cannot change to '%s'"), dir.buf); prefix = setup_bare_git_dir(&cwd, dir.len, &repo_fmt, nongit_ok); break; case GIT_DIR_HIT_CEILING: - prefix = setup_nongit(cwd.buf, nongit_ok); + if (!nongit_ok) + die(_("not a git repository (or any of the parent directories): %s"), + DEFAULT_GIT_DIR_ENVIRONMENT); + *nongit_ok = 1; break; case GIT_DIR_HIT_MOUNT_POINT: - if (nongit_ok) { - *nongit_ok = 1; - strbuf_release(&cwd); - strbuf_release(&dir); - return NULL; - } - die(_("Not a git repository (or any parent up to mount point %s)\n" - "Stopping at filesystem boundary (GIT_DISCOVERY_ACROSS_FILESYSTEM not set)."), - dir.buf); + if (!nongit_ok) + die(_("not a git repository (or any parent up to mount point %s)\n" + "Stopping at filesystem boundary (GIT_DISCOVERY_ACROSS_FILESYSTEM not set)."), + dir.buf); + *nongit_ok = 1; + break; + case GIT_DIR_NONE: + /* + * As a safeguard against setup_git_directory_gently_1 returning + * this value, fallthrough to BUG. Otherwise it is possible to + * set startup_info->have_repository to 1 when we did nothing to + * find a repository. + */ default: - die("BUG: unhandled setup_git_directory_1() result"); + BUG("unhandled setup_git_directory_1() result"); } - if (prefix) - setenv(GIT_PREFIX_ENVIRONMENT, prefix, 1); - else + /* + * At this point, nongit_ok is stable. If it is non-NULL and points + * to a non-zero value, then this means that we haven't found a + * repository and that the caller expects startup_info to reflect + * this. + * + * Regardless of the state of nongit_ok, startup_info->prefix and + * the GIT_PREFIX environment variable must always match. For details + * see Documentation/config/alias.txt. + */ + if (nongit_ok && *nongit_ok) { + startup_info->have_repository = 0; + startup_info->prefix = NULL; setenv(GIT_PREFIX_ENVIRONMENT, "", 1); - - startup_info->have_repository = !nongit_ok || !*nongit_ok; - startup_info->prefix = prefix; + } else { + startup_info->have_repository = 1; + startup_info->prefix = prefix; + if (prefix) + setenv(GIT_PREFIX_ENVIRONMENT, prefix, 1); + else + setenv(GIT_PREFIX_ENVIRONMENT, "", 1); + } /* * Not all paths through the setup code will call 'set_git_dir()' (which @@ -1106,13 +1156,15 @@ const char *setup_git_directory_gently(int *nongit_ok) * the user has set GIT_DIR. It may be beneficial to disallow bogus * GIT_DIR values at some point in the future. */ - if (startup_info->have_repository || getenv(GIT_DIR_ENVIRONMENT)) { + if (/* GIT_DIR_EXPLICIT, GIT_DIR_DISCOVERED, GIT_DIR_BARE */ + startup_info->have_repository || + /* GIT_DIR_EXPLICIT */ + getenv(GIT_DIR_ENVIRONMENT)) { if (!the_repository->gitdir) { const char *gitdir = getenv(GIT_DIR_ENVIRONMENT); if (!gitdir) gitdir = DEFAULT_GIT_DIR_ENVIRONMENT; - repo_set_gitdir(the_repository, gitdir); - setup_git_env(); + setup_git_env(gitdir); } if (startup_info->have_repository) repo_set_hash_algo(the_repository, repo_fmt.hash_algo); @@ -1120,6 +1172,7 @@ const char *setup_git_directory_gently(int *nongit_ok) strbuf_release(&dir); strbuf_release(&gitdir); + clear_repository_format(&repo_fmt); return prefix; } @@ -1164,7 +1217,7 @@ int git_config_perm(const char *var, const char *value) /* A filemode value was given: 0xxx */ if ((i & 0600) != 0600) - die(_("Problem with core.sharedRepository filemode value " + die(_("problem with core.sharedRepository filemode value " "(0%.3o).\nThe owner of files must always have " "read and write permissions."), i); @@ -1177,9 +1230,10 @@ int git_config_perm(const char *var, const char *value) void check_repository_format(void) { - struct repository_format repo_fmt; + struct repository_format repo_fmt = REPOSITORY_FORMAT_INIT; check_repository_format_gently(get_git_dir(), &repo_fmt, NULL); startup_info->have_repository = 1; + clear_repository_format(&repo_fmt); } /* @@ -1207,7 +1261,7 @@ void sanitize_stdfds(void) while (fd != -1 && fd < 2) fd = dup(fd); if (fd == -1) - die_errno("open /dev/null or dup failed"); + die_errno(_("open /dev/null or dup failed")); if (fd > 2) close(fd); } @@ -1222,12 +1276,12 @@ int daemonize(void) case 0: break; case -1: - die_errno("fork failed"); + die_errno(_("fork failed")); default: exit(0); } if (setsid() == -1) - die_errno("setsid failed"); + die_errno(_("setsid failed")); close(0); close(1); close(2); |