branch: mention start_name in set-upstream error messages

If we refuse a branch operation because the tracking start_name the user gave us is bogus, we just print something like: fatal: Cannot setup tracking information; start point is not a branch If we mention the actual name we tried to use, that may help the user figure out why it didn't work (e.g., if they gave us the arguments in the wrong order). Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Jeff King committed Apr 2, 2013 at 15:04 UTC 1a15d00bb910de0a86981f0d75836feac71d1fe0
1 file changed +5 -5
branch.c
+5 -5
@@ -198,9 +198,9 @@ int validate_new_branchname(const char *name, struct strbuf *ref,
198 }
199
200 static const char upstream_not_branch[] =
201 -N_("Cannot setup tracking information; starting point is not a branch.");
201 +N_("Cannot setup tracking information; starting point '%s' is not a branch.");
202 static const char upstream_missing[] =
203 -N_("Cannot setup tracking information; starting point does not exist");
203 +N_("Cannot setup tracking information; starting point '%s' does not exist");
204
205 void create_branch(const char *head,
206 const char *name, const char *start_name,
@@ -231,7 +231,7 @@ void create_branch(const char *head,
231 real_ref = NULL;
232 if (get_sha1(start_name, sha1)) {
233 if (explicit_tracking)
234 - die(_(upstream_missing));
234 + die(_(upstream_missing), start_name);
235 die("Not a valid object name: '%s'.", start_name);
236 }
237
@@ -239,14 +239,14 @@ void create_branch(const char *head,
239 case 0:
240 /* Not branching from any existing branch */
241 if (explicit_tracking)
242 - die(_(upstream_not_branch));
242 + die(_(upstream_not_branch), start_name);
243 break;
244 case 1:
245 /* Unique completion -- good, only if it is a real branch */
246 if (prefixcmp(real_ref, "refs/heads/") &&
247 prefixcmp(real_ref, "refs/remotes/")) {
248 if (explicit_tracking)
249 - die(_(upstream_not_branch));
249 + die(_(upstream_not_branch), start_name);
250 else
251 real_ref = NULL;
252 }