$ git clone -n https://src.fedoraproject.org/rpms/blktrace.git /var/lib/mock/f40-build-2274660-55021/root/chroot_tmpdir/scmroot/blktrace
Cloning into '/var/lib/mock/f40-build-2274660-55021/root/chroot_tmpdir/scmroot/blktrace'...
$ git fetch origin 9e6e527cc319a6f42eebec0fd2c02460931bff35:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/blktrace
 * [new ref]         9e6e527cc319a6f42eebec0fd2c02460931bff35 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9e6e527 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild