$ git clone -n https://src.fedoraproject.org/rpms/ghc-pcap.git /var/lib/mock/f38-build-side-42-init-devel-967624-28808/root/chroot_tmpdir/scmroot/ghc-pcap
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-967624-28808/root/chroot_tmpdir/scmroot/ghc-pcap'...
$ git fetch origin 56f7a668aa9f830eb7456c375557b6520b4879f5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-pcap
 * [new ref]         56f7a668aa9f830eb7456c375557b6520b4879f5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 56f7a66 Convert to %autorelease and %autochangelog