$ git clone -n https://src.fedoraproject.org/rpms/rust-gdk4-wayland-sys.git /var/lib/mock/f39-build-1586804-38211/root/chroot_tmpdir/scmroot/rust-gdk4-wayland-sys
Cloning into '/var/lib/mock/f39-build-1586804-38211/root/chroot_tmpdir/scmroot/rust-gdk4-wayland-sys'...
$ git fetch origin 49cbbfd5fd2948866e834dcd67ebaad12a9017ea:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gdk4-wayland-sys
 * [new ref]         49cbbfd5fd2948866e834dcd67ebaad12a9017ea -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 49cbbfd Update to 0.7.2 (rhbz#2231639)