$ git clone -n https://src.fedoraproject.org/rpms/ghc-repline.git /var/lib/mock/f41-build-837784-159384/root/chroot_tmpdir/scmroot/ghc-repline
Cloning into '/var/lib/mock/f41-build-837784-159384/root/chroot_tmpdir/scmroot/ghc-repline'...
$ git fetch origin f6741ea13651008040c858ed97801c73bfed70aa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-repline
 * [new ref]         f6741ea13651008040c858ed97801c73bfed70aa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f6741ea bump release