diff options
Diffstat (limited to 'builtin-branch.c')
| -rw-r--r-- | builtin-branch.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/builtin-branch.c b/builtin-branch.c index afeed68cfd..330e0c3f16 100644 --- a/builtin-branch.c +++ b/builtin-branch.c @@ -464,12 +464,21 @@ static void rename_branch(const char *oldname, const char *newname, int force) struct strbuf oldref = STRBUF_INIT, newref = STRBUF_INIT, logmsg = STRBUF_INIT; unsigned char sha1[20]; struct strbuf oldsection = STRBUF_INIT, newsection = STRBUF_INIT; + int recovery = 0; if (!oldname) die("cannot rename the current branch while not on any."); - if (strbuf_check_branch_ref(&oldref, oldname)) - die("Invalid branch name: '%s'", oldname); + if (strbuf_check_branch_ref(&oldref, oldname)) { + /* + * Bad name --- this could be an attempt to rename a + * ref that we used to allow to be created by accident. + */ + if (resolve_ref(oldref.buf, sha1, 1, NULL)) + recovery = 1; + else + die("Invalid branch name: '%s'", oldname); + } if (strbuf_check_branch_ref(&newref, newname)) die("Invalid branch name: '%s'", newname); @@ -484,6 +493,9 @@ static void rename_branch(const char *oldname, const char *newname, int force) die("Branch rename failed"); strbuf_release(&logmsg); + if (recovery) + warning("Renamed a misnamed branch '%s' away", oldref.buf + 11); + /* no need to pass logmsg here as HEAD didn't really move */ if (!strcmp(oldname, head) && create_symref("HEAD", newref.buf, NULL)) die("Branch renamed to %s, but HEAD is not updated!", newname); |