$ git clone -n https://src.fedoraproject.org/rpms/snapd.git /var/lib/mock/f40-build-807404-145215/root/chroot_tmpdir/scmroot/snapd
Cloning into '/var/lib/mock/f40-build-807404-145215/root/chroot_tmpdir/scmroot/snapd'...
$ git fetch origin a6e939ca742c1f2d008923e498b24d9f9647aae4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/snapd
 * [new ref]         a6e939ca742c1f2d008923e498b24d9f9647aae4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a6e939c Update to 2.61.2