$ git clone -n https://src.fedoraproject.org/rpms/librx.git /var/lib/mock/f39-build-2408509-60557/root/chroot_tmpdir/scmroot/librx
Cloning into '/var/lib/mock/f39-build-2408509-60557/root/chroot_tmpdir/scmroot/librx'...
$ git fetch origin 6580dbdf769e4931efe21109a42b509f45d7da89:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/librx
 * [new ref]         6580dbdf769e4931efe21109a42b509f45d7da89 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
Updating files:  28% (2/7)
Updating files:  42% (3/7)
Updating files:  57% (4/7)
Updating files:  71% (5/7)
Updating files:  85% (6/7)
Updating files: 100% (7/7)
Updating files: 100% (7/7), done.
HEAD is now at 6580dbd Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild