$ git clone -n https://src.fedoraproject.org/rpms/libsrtp.git /var/lib/mock/f41-build-side-1-3069958-38786/root/chroot_tmpdir/scmroot/libsrtp
Cloning into '/var/lib/mock/f41-build-side-1-3069958-38786/root/chroot_tmpdir/scmroot/libsrtp'...
$ git fetch origin 3f98b99531027cc8f390a5cf871e4b8a608ce4b2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libsrtp
 * [new ref]         3f98b99531027cc8f390a5cf871e4b8a608ce4b2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3f98b99 update to 2.6.0