$ git clone -n https://src.fedoraproject.org/rpms/isomd5sum.git /var/lib/mock/f45-build-14256-458/root/chroot_tmpdir/scmroot/isomd5sum
Cloning into '/var/lib/mock/f45-build-14256-458/root/chroot_tmpdir/scmroot/isomd5sum'...
$ git fetch origin 2081f84581dd65ceb7f7d2ba87fe86151e90cc05:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/isomd5sum
 * [new ref]         2081f84581dd65ceb7f7d2ba87fe86151e90cc05 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2081f84 Rebuilt for Python 3.15.0b4 ABI change