$ git clone -n https://src.fedoraproject.org/rpms/perl-Types-URI.git /var/lib/mock/f41-build-side-1-2774806-32365/root/chroot_tmpdir/scmroot/perl-Types-URI
Cloning into '/var/lib/mock/f41-build-side-1-2774806-32365/root/chroot_tmpdir/scmroot/perl-Types-URI'...
$ git fetch origin bb225d744b96f9ed620b9f48e67db8f24f173ccd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Types-URI
 * [new ref]         bb225d744b96f9ed620b9f48e67db8f24f173ccd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bb225d7 Modernize a spec file