$ git clone -n https://src.fedoraproject.org/rpms/rust-pango.git /var/lib/mock/f39-build-2272584-54915/root/chroot_tmpdir/scmroot/rust-pango
Cloning into '/var/lib/mock/f39-build-2272584-54915/root/chroot_tmpdir/scmroot/rust-pango'...
$ git fetch origin c09bb01661cb41d0adbacf7b559416cd341dfa5b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pango
 * [new ref]         c09bb01661cb41d0adbacf7b559416cd341dfa5b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c09bb01 Update to version 0.18.3; Fixes RHBZ#2247768