$ git clone -n https://src.fedoraproject.org/rpms/catch1.git /var/lib/mock/f40-build-1992313-43584/root/chroot_tmpdir/scmroot/catch1
Cloning into '/var/lib/mock/f40-build-1992313-43584/root/chroot_tmpdir/scmroot/catch1'...
$ git fetch origin ac6bc7cdfea283c4e3fe0e4fa055dbc6e06b6c37:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/catch1
 * [new ref]         ac6bc7cdfea283c4e3fe0e4fa055dbc6e06b6c37 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ac6bc7c Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild