$ git clone -n https://src.fedoraproject.org/rpms/arm-none-eabi-newlib.git /var/lib/mock/f40-build-2274039-55009/root/chroot_tmpdir/scmroot/arm-none-eabi-newlib
Cloning into '/var/lib/mock/f40-build-2274039-55009/root/chroot_tmpdir/scmroot/arm-none-eabi-newlib'...
$ git fetch origin 8be8bdf2c7ab5b2028be7d514f51fcde617c6f63:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/arm-none-eabi-newlib
 * [new ref]         8be8bdf2c7ab5b2028be7d514f51fcde617c6f63 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8be8bdf Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild