$ git clone -n https://src.fedoraproject.org/rpms/ghc-integer-logarithms.git /var/lib/mock/f38-build-side-42-init-devel-727407-27334/root/chroot_tmpdir/scmroot/ghc-integer-logarithms
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-727407-27334/root/chroot_tmpdir/scmroot/ghc-integer-logarithms'...
$ git fetch origin cd20245007039d045cdebc09f9514bce953a27e2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-integer-logarithms
 * [new ref]         cd20245007039d045cdebc09f9514bce953a27e2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cd20245 Convert to %autorelease and %autochangelog