$ git clone -n https://src.fedoraproject.org/rpms/arm-none-eabi-gcc-cs.git /var/lib/mock/f42-build-3421891-45166/root/chroot_tmpdir/scmroot/arm-none-eabi-gcc-cs
Cloning into '/var/lib/mock/f42-build-3421891-45166/root/chroot_tmpdir/scmroot/arm-none-eabi-gcc-cs'...
$ git fetch origin e71b9ddc2fce76c9fc5b15cb196b392b187c1614:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/arm-none-eabi-gcc-cs
 * [new ref]         e71b9ddc2fce76c9fc5b15cb196b392b187c1614 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e71b9dd Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild