$ git clone -n https://src.fedoraproject.org/rpms/ghc-resource-pool.git /var/lib/mock/f38-build-side-42-init-devel-730882-27448/root/chroot_tmpdir/scmroot/ghc-resource-pool
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-730882-27448/root/chroot_tmpdir/scmroot/ghc-resource-pool'...
$ git fetch origin de7a495ca1cf1a0c8ed8b731731b84896dde6c63:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-resource-pool
 * [new ref]         de7a495ca1cf1a0c8ed8b731731b84896dde6c63 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at de7a495 Convert to %autorelease and %autochangelog