$ git clone -n https://src.fedoraproject.org/rpms/rust-serde_with_macros1.git /var/lib/mock/f40-build-2342011-59804/root/chroot_tmpdir/scmroot/rust-serde_with_macros1
Cloning into '/var/lib/mock/f40-build-2342011-59804/root/chroot_tmpdir/scmroot/rust-serde_with_macros1'...
$ git fetch origin 7662522fcd6b0a494151790b77e83f2954550062:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-serde_with_macros1
 * [new ref]         7662522fcd6b0a494151790b77e83f2954550062 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7662522 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild