$ git clone -n https://src.fedoraproject.org/rpms/rust-gdk4-sys.git /var/lib/mock/f38-build-side-43-rust-devel-1397430-31052/root/chroot_tmpdir/scmroot/rust-gdk4-sys
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1397430-31052/root/chroot_tmpdir/scmroot/rust-gdk4-sys'...
$ git fetch origin b2abf12c72eb8832480d094dc0e84c595601be0f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gdk4-sys
 * [new ref]         b2abf12c72eb8832480d094dc0e84c595601be0f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b2abf12 Update to version 0.7.2; Fixes RHBZ#2231638