$ git clone -n https://src.fedoraproject.org/rpms/glibmm24.git /var/lib/mock/f31-build-55558-28134/root/chroot_tmpdir/scmroot/glibmm24
Cloning into '/var/lib/mock/f31-build-55558-28134/root/chroot_tmpdir/scmroot/glibmm24'...
$ git reset --hard f7c23ee7c720af678144ffc28259a5b552a74082
HEAD is now at f7c23ee Update to 2.60.0