$ git clone -n https://src.fedoraproject.org/rpms/rust-static_assertions.git /var/lib/mock/f42-build-3234141-41196/root/chroot_tmpdir/scmroot/rust-static_assertions
Cloning into '/var/lib/mock/f42-build-3234141-41196/root/chroot_tmpdir/scmroot/rust-static_assertions'...
$ git fetch origin 68f2f4b3a309fd2ad0ca4fafb285f9ba21eba39a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-static_assertions
 * [new ref]         68f2f4b3a309fd2ad0ca4fafb285f9ba21eba39a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 68f2f4b Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild