$ git clone -n https://src.fedoraproject.org/rpms/libaesgm.git /var/lib/mock/f41-build-1045115-19054/root/chroot_tmpdir/scmroot/libaesgm
Cloning into '/var/lib/mock/f41-build-1045115-19054/root/chroot_tmpdir/scmroot/libaesgm'...
$ git fetch origin f32a89c5851e7def1959c26e098c915d0e8c7ba9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libaesgm
 * [new ref]         f32a89c5851e7def1959c26e098c915d0e8c7ba9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f32a89c Eliminate use of obsolete %patchN syntax (#2283636)