$ git clone -n https://src.fedoraproject.org/rpms/samtools.git /var/lib/mock/f39-build-1694611-41162/root/chroot_tmpdir/scmroot/samtools
Cloning into '/var/lib/mock/f39-build-1694611-41162/root/chroot_tmpdir/scmroot/samtools'...
$ git fetch origin a20e367de8d0db63d42eb6bf9239c7ba14b8f1ff:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/samtools
 * [new ref]         a20e367de8d0db63d42eb6bf9239c7ba14b8f1ff -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a20e367 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild