$ git clone -n https://src.fedoraproject.org/rpms/pangomm2.48.git /var/lib/mock/f45-build-21359-583/root/chroot_tmpdir/scmroot/pangomm2.48
Cloning into '/var/lib/mock/f45-build-21359-583/root/chroot_tmpdir/scmroot/pangomm2.48'...
$ git fetch origin ec2cd3410121fb9be6d9826aad3151cb16fa6bdd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pangomm2.48
 * [new ref]         ec2cd3410121fb9be6d9826aad3151cb16fa6bdd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ec2cd34 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild