$ git clone -n https://src.fedoraproject.org/rpms/ghc-code-page.git /var/lib/mock/f38-build-side-42-init-devel-650583-26477/root/chroot_tmpdir/scmroot/ghc-code-page
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-650583-26477/root/chroot_tmpdir/scmroot/ghc-code-page'...
$ git fetch origin 54943dd92e58267da668e348a0cf172c0e45d738:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-code-page
 * [new ref]         54943dd92e58267da668e348a0cf172c0e45d738 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 54943dd Convert to %autorelease and %autochangelog