$ git clone -n https://src.fedoraproject.org/rpms/rust-gdk4-sys.git /var/lib/mock/f45-build-41844-786/root/chroot_tmpdir/scmroot/rust-gdk4-sys
Cloning into '/var/lib/mock/f45-build-41844-786/root/chroot_tmpdir/scmroot/rust-gdk4-sys'...
$ git fetch origin 060376079b30d20ffd5ac2270599a8c840741963:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gdk4-sys
 * [new ref]         060376079b30d20ffd5ac2270599a8c840741963 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0603760 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild