$ git clone -n https://src.fedoraproject.org/rpms/rust-dirs-sys0.3.git /var/lib/mock/f40-build-2660747-66918/root/chroot_tmpdir/scmroot/rust-dirs-sys0.3
Cloning into '/var/lib/mock/f40-build-2660747-66918/root/chroot_tmpdir/scmroot/rust-dirs-sys0.3'...
$ git fetch origin 89215af16f6d464fe67a343e3727060a071a317b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-dirs-sys0.3
 * [new ref]         89215af16f6d464fe67a343e3727060a071a317b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 89215af Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild