$ git clone -n https://src.fedoraproject.org/rpms/rust-is_executable.git /var/lib/mock/f40-build-2681456-67958/root/chroot_tmpdir/scmroot/rust-is_executable
Cloning into '/var/lib/mock/f40-build-2681456-67958/root/chroot_tmpdir/scmroot/rust-is_executable'...
$ git fetch origin 5a1f0af4f10a5a2fc70c8bb772e508799ca1ff60:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-is_executable
 * [new ref]         5a1f0af4f10a5a2fc70c8bb772e508799ca1ff60 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5a1f0af Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild