$ git clone -n https://src.fedoraproject.org/rpms/ghc-crypto-pubkey-types.git /var/lib/mock/f38-build-side-42-init-devel-1020528-29635/root/chroot_tmpdir/scmroot/ghc-crypto-pubkey-types
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1020528-29635/root/chroot_tmpdir/scmroot/ghc-crypto-pubkey-types'...
$ git fetch origin e497e6950c635bfb899fc58dc54b37f724541035:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-crypto-pubkey-types
 * [new ref]         e497e6950c635bfb899fc58dc54b37f724541035 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e497e69 Convert to %autorelease and %autochangelog