$ git clone -n https://src.fedoraproject.org/rpms/ghc-gi-pango.git /var/lib/mock/f41-build-840822-160968/root/chroot_tmpdir/scmroot/ghc-gi-pango
Cloning into '/var/lib/mock/f41-build-840822-160968/root/chroot_tmpdir/scmroot/ghc-gi-pango'...
$ git fetch origin f2ba1ed843b2ab72c767aa6b9eac9d9e35af8f37:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-gi-pango
 * [new ref]         f2ba1ed843b2ab72c767aa6b9eac9d9e35af8f37 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f2ba1ed https://hackage.haskell.org/package/gi-pango-1.0.30/changelog