$ git clone -n https://src.fedoraproject.org/rpms/ghc-openssl-streams.git /var/lib/mock/f38-build-side-42-init-devel-730782-27448/root/chroot_tmpdir/scmroot/ghc-openssl-streams
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-730782-27448/root/chroot_tmpdir/scmroot/ghc-openssl-streams'...
$ git fetch origin aeb31f15c1ee61cfe212e6f3d4ea0d5ce73c48ad:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-openssl-streams
 * [new ref]         aeb31f15c1ee61cfe212e6f3d4ea0d5ce73c48ad -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aeb31f1 Convert to %autorelease and %autochangelog