$ git clone -n https://src.fedoraproject.org/rpms/gearmand.git /var/lib/mock/f39-build-2165911-50987/root/chroot_tmpdir/scmroot/gearmand
Cloning into '/var/lib/mock/f39-build-2165911-50987/root/chroot_tmpdir/scmroot/gearmand'...
$ git fetch origin 50dfa9a99a186b75d4ac9c707e27bb1ab0a9e270:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gearmand
 * [new ref]         50dfa9a99a186b75d4ac9c707e27bb1ab0a9e270 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 50dfa9a Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild