$ git clone -n https://src.fedoraproject.org/rpms/perl-Catalyst-Helper-FastCGI-ExternalServer.git /var/lib/mock/f39-build-1441049-32366/root/chroot_tmpdir/scmroot/perl-Catalyst-Helper-FastCGI-ExternalServer
Cloning into '/var/lib/mock/f39-build-1441049-32366/root/chroot_tmpdir/scmroot/perl-Catalyst-Helper-FastCGI-ExternalServer'...
$ git fetch origin f2ac537f3bfa197e8181c75b8b4ec3121c53d209:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Catalyst-Helper-FastCGI-ExternalServer
 * [new ref]         f2ac537f3bfa197e8181c75b8b4ec3121c53d209 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f2ac537 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild