$ git clone -n https://src.fedoraproject.org/rpms/rust-pangocairo.git /var/lib/mock/f41-build-1197728-22354/root/chroot_tmpdir/scmroot/rust-pangocairo
Cloning into '/var/lib/mock/f41-build-1197728-22354/root/chroot_tmpdir/scmroot/rust-pangocairo'...
$ git fetch origin 5ef35f25181d9c8af0dd519f42e73411f27f25f5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pangocairo
 * [new ref]         5ef35f25181d9c8af0dd519f42e73411f27f25f5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5ef35f2 Update to version 0.19.8; Fixes RHBZ#2293560