$ git clone -n https://src.fedoraproject.org/rpms/rust-unic-char-range.git /var/lib/mock/f40-build-2683798-67975/root/chroot_tmpdir/scmroot/rust-unic-char-range
Cloning into '/var/lib/mock/f40-build-2683798-67975/root/chroot_tmpdir/scmroot/rust-unic-char-range'...
$ git fetch origin 8eb8437067485eb6e2cac1ae4bd43327f19d092e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-unic-char-range
 * [new ref]         8eb8437067485eb6e2cac1ae4bd43327f19d092e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8eb8437 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild