$ git clone -n https://src.fedoraproject.org/rpms/rust-gsk4-sys.git /var/lib/mock/f38-build-side-43-rust-devel-1400100-31147/root/chroot_tmpdir/scmroot/rust-gsk4-sys
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1400100-31147/root/chroot_tmpdir/scmroot/rust-gsk4-sys'...
$ git fetch origin 6044fef34356e6b6f93539af145e2300e1262ee4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gsk4-sys
 * [new ref]         6044fef34356e6b6f93539af145e2300e1262ee4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6044fef Update to version 0.7.3; Fixes RHBZ#2240343