$ git clone -n https://src.fedoraproject.org/rpms/ghc-haskell-src-meta.git /var/lib/mock/f38-build-side-42-init-devel-1023043-29659/root/chroot_tmpdir/scmroot/ghc-haskell-src-meta
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1023043-29659/root/chroot_tmpdir/scmroot/ghc-haskell-src-meta'...
$ git fetch origin 24291e9a1b15e34cf2c4a65a8774b90084f29eea:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-haskell-src-meta
 * [new ref]         24291e9a1b15e34cf2c4a65a8774b90084f29eea -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 24291e9 Convert to %autorelease and %autochangelog