$ git clone -n https://src.fedoraproject.org/rpms/arm-none-eabi-gcc-cs.git /var/lib/mock/f39-build-1648884-40451/root/chroot_tmpdir/scmroot/arm-none-eabi-gcc-cs
Cloning into '/var/lib/mock/f39-build-1648884-40451/root/chroot_tmpdir/scmroot/arm-none-eabi-gcc-cs'...
$ git fetch origin 40579f2fa4ec1e3836467b34b4c8036edbed8ce6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/arm-none-eabi-gcc-cs
 * [new ref]         40579f2fa4ec1e3836467b34b4c8036edbed8ce6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 40579f2 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild