$ git clone -n https://src.fedoraproject.org/rpms/python-specfile.git /var/lib/mock/f39-build-1574750-37895/root/chroot_tmpdir/scmroot/python-specfile
Cloning into '/var/lib/mock/f39-build-1574750-37895/root/chroot_tmpdir/scmroot/python-specfile'...
$ git fetch origin 088a8f06106ee1bb7f30eb4d2ae556cf4094fafc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-specfile
 * [new ref]         088a8f06106ee1bb7f30eb4d2ae556cf4094fafc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 088a8f0 [packit] 0.23.0 upstream release