diff options
Diffstat (limited to 'builtin/clone.c')
-rw-r--r-- | builtin/clone.c | 177 |
1 files changed, 119 insertions, 58 deletions
diff --git a/builtin/clone.c b/builtin/clone.c index b878252bc2..9eaecd9a7c 100644 --- a/builtin/clone.c +++ b/builtin/clone.c @@ -51,15 +51,6 @@ static struct string_list option_config; static struct string_list option_reference; static int option_dissociate; -static int opt_parse_reference(const struct option *opt, const char *arg, int unset) -{ - struct string_list *option_reference = opt->value; - if (!arg) - return -1; - string_list_append(option_reference, arg); - return 0; -} - static struct option builtin_clone_options[] = { OPT__VERBOSITY(&option_verbosity), OPT_BOOL(0, "progress", &option_progress, @@ -83,8 +74,10 @@ static struct option builtin_clone_options[] = { N_("initialize submodules in the clone")), OPT_STRING(0, "template", &option_template, N_("template-directory"), N_("directory from which templates will be used")), - OPT_CALLBACK(0 , "reference", &option_reference, N_("repo"), - N_("reference repository"), &opt_parse_reference), + OPT_STRING_LIST(0, "reference", &option_reference, N_("repo"), + N_("reference repository")), + OPT_BOOL(0, "dissociate", &option_dissociate, + N_("use --reference only while cloning")), OPT_STRING('o', "origin", &option_origin, N_("name"), N_("use <name> instead of 'origin' to track upstream")), OPT_STRING('b', "branch", &option_branch, N_("branch"), @@ -95,8 +88,6 @@ static struct option builtin_clone_options[] = { N_("create a shallow clone of that depth")), OPT_BOOL(0, "single-branch", &option_single_branch, N_("clone only one branch, HEAD or --branch")), - OPT_BOOL(0, "dissociate", &option_dissociate, - N_("use --reference only while cloning")), OPT_STRING(0, "separate-git-dir", &real_git_dir, N_("gitdir"), N_("separate git dir from working tree")), OPT_STRING_LIST('c', "config", &option_config, N_("key=value"), @@ -108,94 +99,145 @@ static const char *argv_submodule[] = { "submodule", "update", "--init", "--recursive", NULL }; -static char *get_repo_path(const char *repo, int *is_bundle) +static const char *get_repo_path_1(struct strbuf *path, int *is_bundle) { static char *suffix[] = { "/.git", "", ".git/.git", ".git" }; static char *bundle_suffix[] = { ".bundle", "" }; + size_t baselen = path->len; struct stat st; int i; for (i = 0; i < ARRAY_SIZE(suffix); i++) { - const char *path; - path = mkpath("%s%s", repo, suffix[i]); - if (stat(path, &st)) + strbuf_setlen(path, baselen); + strbuf_addstr(path, suffix[i]); + if (stat(path->buf, &st)) continue; - if (S_ISDIR(st.st_mode) && is_git_directory(path)) { + if (S_ISDIR(st.st_mode) && is_git_directory(path->buf)) { *is_bundle = 0; - return xstrdup(absolute_path(path)); + return path->buf; } else if (S_ISREG(st.st_mode) && st.st_size > 8) { /* Is it a "gitfile"? */ char signature[8]; - int len, fd = open(path, O_RDONLY); + const char *dst; + int len, fd = open(path->buf, O_RDONLY); if (fd < 0) continue; len = read_in_full(fd, signature, 8); close(fd); if (len != 8 || strncmp(signature, "gitdir: ", 8)) continue; - path = read_gitfile(path); - if (path) { + dst = read_gitfile(path->buf); + if (dst) { *is_bundle = 0; - return xstrdup(absolute_path(path)); + return dst; } } } for (i = 0; i < ARRAY_SIZE(bundle_suffix); i++) { - const char *path; - path = mkpath("%s%s", repo, bundle_suffix[i]); - if (!stat(path, &st) && S_ISREG(st.st_mode)) { + strbuf_setlen(path, baselen); + strbuf_addstr(path, bundle_suffix[i]); + if (!stat(path->buf, &st) && S_ISREG(st.st_mode)) { *is_bundle = 1; - return xstrdup(absolute_path(path)); + return path->buf; } } return NULL; } +static char *get_repo_path(const char *repo, int *is_bundle) +{ + struct strbuf path = STRBUF_INIT; + const char *raw; + char *canon; + + strbuf_addstr(&path, repo); + raw = get_repo_path_1(&path, is_bundle); + canon = raw ? xstrdup(absolute_path(raw)) : NULL; + strbuf_release(&path); + return canon; +} + static char *guess_dir_name(const char *repo, int is_bundle, int is_bare) { - const char *end = repo + strlen(repo), *start; + const char *end = repo + strlen(repo), *start, *ptr; + size_t len; char *dir; /* + * Skip scheme. + */ + start = strstr(repo, "://"); + if (start == NULL) + start = repo; + else + start += 3; + + /* + * Skip authentication data. The stripping does happen + * greedily, such that we strip up to the last '@' inside + * the host part. + */ + for (ptr = start; ptr < end && !is_dir_sep(*ptr); ptr++) { + if (*ptr == '@') + start = ptr + 1; + } + + /* * Strip trailing spaces, slashes and /.git */ - while (repo < end && (is_dir_sep(end[-1]) || isspace(end[-1]))) + while (start < end && (is_dir_sep(end[-1]) || isspace(end[-1]))) end--; - if (end - repo > 5 && is_dir_sep(end[-5]) && + if (end - start > 5 && is_dir_sep(end[-5]) && !strncmp(end - 4, ".git", 4)) { end -= 5; - while (repo < end && is_dir_sep(end[-1])) + while (start < end && is_dir_sep(end[-1])) end--; } /* - * Find last component, but be prepared that repo could have - * the form "remote.example.com:foo.git", i.e. no slash - * in the directory part. + * Strip trailing port number if we've got only a + * hostname (that is, there is no dir separator but a + * colon). This check is required such that we do not + * strip URI's like '/foo/bar:2222.git', which should + * result in a dir '2222' being guessed due to backwards + * compatibility. */ - start = end; - while (repo < start && !is_dir_sep(start[-1]) && start[-1] != ':') - start--; + if (memchr(start, '/', end - start) == NULL + && memchr(start, ':', end - start) != NULL) { + ptr = end; + while (start < ptr && isdigit(ptr[-1]) && ptr[-1] != ':') + ptr--; + if (start < ptr && ptr[-1] == ':') + end = ptr - 1; + } + + /* + * Find last component. To remain backwards compatible we + * also regard colons as path separators, such that + * cloning a repository 'foo:bar.git' would result in a + * directory 'bar' being guessed. + */ + ptr = end; + while (start < ptr && !is_dir_sep(ptr[-1]) && ptr[-1] != ':') + ptr--; + start = ptr; /* * Strip .{bundle,git}. */ - if (is_bundle) { - if (end - start > 7 && !strncmp(end - 7, ".bundle", 7)) - end -= 7; - } else { - if (end - start > 4 && !strncmp(end - 4, ".git", 4)) - end -= 4; - } + len = end - start; + strip_suffix_mem(start, &len, is_bundle ? ".bundle" : ".git"); - if (is_bare) { - struct strbuf result = STRBUF_INIT; - strbuf_addf(&result, "%.*s.git", (int)(end - start), start); - dir = strbuf_detach(&result, NULL); - } else - dir = xstrndup(start, end - start); + if (!len || (len == 1 && *start == '/')) + die("No directory name could be guessed.\n" + "Please specify a directory on the command line"); + + if (is_bare) + dir = xstrfmt("%.*s.git", (int)len, start); + else + dir = xstrndup(start, len); /* * Replace sequences of 'control' characters and whitespace * with one ascii space, remove leading and trailing spaces. @@ -252,9 +294,14 @@ static int add_one_reference(struct string_list_item *item, void *cb_data) char *ref_git_git = mkpathdup("%s/.git", ref_git); free(ref_git); ref_git = ref_git_git; - } else if (!is_directory(mkpath("%s/objects", ref_git))) + } else if (!is_directory(mkpath("%s/objects", ref_git))) { + struct strbuf sb = STRBUF_INIT; + if (get_common_dir(&sb, ref_git)) + die(_("reference repository '%s' as a linked checkout is not supported yet."), + item->string); die(_("reference repository '%s' is not a local repository."), item->string); + } if (!access(mkpath("%s/shallow", ref_git), F_OK)) die(_("reference repository '%s' is shallow"), item->string); @@ -382,8 +429,10 @@ static void clone_local(const char *src_repo, const char *dest_repo) } else { struct strbuf src = STRBUF_INIT; struct strbuf dest = STRBUF_INIT; - strbuf_addf(&src, "%s/objects", src_repo); - strbuf_addf(&dest, "%s/objects", dest_repo); + get_common_dir(&src, src_repo); + get_common_dir(&dest, dest_repo); + strbuf_addstr(&src, "/objects"); + strbuf_addstr(&dest, "/objects"); copy_or_link_directory(&src, &dest, src_repo, src.len); strbuf_release(&src); strbuf_release(&dest); @@ -500,16 +549,26 @@ static void write_remote_refs(const struct ref *local_refs) { const struct ref *r; - lock_packed_refs(LOCK_DIE_ON_ERROR); + struct ref_transaction *t; + struct strbuf err = STRBUF_INIT; + + t = ref_transaction_begin(&err); + if (!t) + die("%s", err.buf); for (r = local_refs; r; r = r->next) { if (!r->peer_ref) continue; - add_packed_ref(r->peer_ref->name, r->old_sha1); + if (ref_transaction_create(t, r->peer_ref->name, r->old_sha1, + 0, NULL, &err)) + die("%s", err.buf); } - if (commit_packed_refs()) - die_errno("unable to overwrite old ref-pack file"); + if (initial_ref_transaction_commit(t, &err)) + die("%s", err.buf); + + strbuf_release(&err); + ref_transaction_free(t); } static void write_followtags(const struct ref *refs, const char *msg) @@ -1012,8 +1071,10 @@ int cmd_clone(int argc, const char **argv, const char *prefix) transport_unlock_pack(transport); transport_disconnect(transport); - if (option_dissociate) + if (option_dissociate) { + close_all_packs(); dissociate_from_references(); + } junk_mode = JUNK_LEAVE_REPO; err = checkout(); |