$ git clone -n https://src.fedoraproject.org/rpms/rust-gio.git /var/lib/mock/f39-build-2272530-54915/root/chroot_tmpdir/scmroot/rust-gio
Cloning into '/var/lib/mock/f39-build-2272530-54915/root/chroot_tmpdir/scmroot/rust-gio'...
$ git fetch origin cdff0328b09863d94066395cb14958f41a312972:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gio
 * [new ref]         cdff0328b09863d94066395cb14958f41a312972 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cdff032 Update to version 0.18.4; Fixes RHBZ#2247774