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-rw-r--r--builtin/clone.c152
1 files changed, 107 insertions, 45 deletions
diff --git a/builtin/clone.c b/builtin/clone.c
index 4646922d6e..578da85254 100644
--- a/builtin/clone.c
+++ b/builtin/clone.c
@@ -99,94 +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.
+ */
+ 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.
*/
- start = end;
- while (repo < start && !is_dir_sep(start[-1]) && start[-1] != ':')
- start--;
+ 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.
@@ -284,16 +335,17 @@ static void copy_alternates(struct strbuf *src, struct strbuf *dst,
struct strbuf line = STRBUF_INIT;
while (strbuf_getline(&line, in, '\n') != EOF) {
- char *abs_path, abs_buf[PATH_MAX];
+ char *abs_path;
if (!line.len || line.buf[0] == '#')
continue;
if (is_absolute_path(line.buf)) {
add_to_alternates_file(line.buf);
continue;
}
- abs_path = mkpath("%s/objects/%s", src_repo, line.buf);
- normalize_path_copy(abs_buf, abs_path);
- add_to_alternates_file(abs_buf);
+ abs_path = mkpathdup("%s/objects/%s", src_repo, line.buf);
+ normalize_path_copy(abs_path, abs_path);
+ add_to_alternates_file(abs_path);
+ free(abs_path);
}
strbuf_release(&line);
fclose(in);
@@ -490,16 +542,26 @@ 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)