$ git clone -n https://src.fedoraproject.org/rpms/rust-serde_urlencoded.git /var/lib/mock/f40-build-2683187-67969/root/chroot_tmpdir/scmroot/rust-serde_urlencoded
Cloning into '/var/lib/mock/f40-build-2683187-67969/root/chroot_tmpdir/scmroot/rust-serde_urlencoded'...
$ git fetch origin c9b6dd98b5378f43e9bcd0294b9a179eacb800f9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-serde_urlencoded
 * [new ref]         c9b6dd98b5378f43e9bcd0294b9a179eacb800f9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c9b6dd9 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild