remote: allow relative_url() to return an absolute url
When the 'url' parameter was absolute, the previous implementation would concatenate 'remote_url' with 'url'. Instead, we want to return 'url' in this case. The documentation now discusses what happens when supplying two absolute URLs. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Derrick Stolee <derrickstolee@github.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Derrick Stolee committed
May 16, 2022 at 20:11 UTC
834e3520ab6435073ef58922b24d732f96cdf461
2 files changed
+11
-2
remote.c
+10
-2
index 8765613864..7576f673fc 100644
--- a/remote.c
+++ b/remote.c
@@ -2761,10 +2761,18 @@ char *relative_url(const char *remote_url, const char *url,
int is_relative = 0;
int colonsep = 0;
char *out;
- char *remoteurl = xstrdup(remote_url);
+ char *remoteurl;
struct strbuf sb = STRBUF_INIT;
- size_t len = strlen(remoteurl);
+ size_t len;
+
+ if (!url_is_local_not_ssh(url) || is_absolute_path(url))
+ return xstrdup(url);
+
+ len = strlen(remote_url);
+ if (!len)
+ BUG("invalid empty remote_url");
+ remoteurl = xstrdup(remote_url);
if (is_dir_sep(remoteurl[len-1]))
remoteurl[len-1] = '\0';
remote.h
+1
index f18fd27e53..dd4402436f 100644
--- a/remote.h
+++ b/remote.h
@@ -434,6 +434,7 @@ void apply_push_cas(struct push_cas_option *, struct remote *, struct ref *);
* http://a.com/b ../../../c http:/c error out
* http://a.com/b ../../../../c http:c error out
* http://a.com/b ../../../../../c .:c error out
+ * http://a.com/b http://d.org/e http://d.org/e as is
* NEEDSWORK: Given how chop_last_dir() works, this function is broken
* when a local part has a colon in its path component, too.
*/