$ git clone -n https://src.fedoraproject.org/rpms/libtins.git /var/lib/mock/f40-build-2219957-52649/root/chroot_tmpdir/scmroot/libtins
Cloning into '/var/lib/mock/f40-build-2219957-52649/root/chroot_tmpdir/scmroot/libtins'...
$ git fetch origin 241bd823b9dd7382f8663c2c9d047db9412cd2eb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libtins
 * [new ref]         241bd823b9dd7382f8663c2c9d047db9412cd2eb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 241bd82 Fix shared library glob.