$ git clone -n https://src.fedoraproject.org/rpms/fonts-KOI8-R.git /var/lib/mock/f39-build-1926344-43041/root/chroot_tmpdir/scmroot/fonts-KOI8-R
Cloning into '/var/lib/mock/f39-build-1926344-43041/root/chroot_tmpdir/scmroot/fonts-KOI8-R'...
$ git fetch origin 911da47cd8499cbefed440c23a8bf829bb748eeb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fonts-KOI8-R
 * [new ref]         911da47cd8499cbefed440c23a8bf829bb748eeb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 911da47 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild