$ git clone -n https://git.cclinux.org/stage/rpms/perl.git /mnt/compose/mock/dist-circle8-build-99464-47664/root/chroot_tmpdir/scmroot/perl
Cloning into '/mnt/compose/mock/dist-circle8-build-99464-47664/root/chroot_tmpdir/scmroot/perl'...
$ git fetch origin fea1b07f33d4b6a59d64ab9d93b56647cde16097:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/perl
 * [new ref]         fea1b07f33d4b6a59d64ab9d93b56647cde16097 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fea1b07 import perl-5.26.3-422.el8