$ git clone -n https://src.fedoraproject.org/rpms/ghc-pango.git /var/lib/mock/f38-build-side-42-init-devel-727560-27336/root/chroot_tmpdir/scmroot/ghc-pango
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-727560-27336/root/chroot_tmpdir/scmroot/ghc-pango'...
$ git fetch origin 68c506b02e7d709ba7be65bfa21ff3ee09898590:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-pango
 * [new ref]         68c506b02e7d709ba7be65bfa21ff3ee09898590 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 68c506b Convert to %autorelease and %autochangelog