$ git clone -n https://src.fedoraproject.org/rpms/nodejs-diagnostic-language-server.git /var/lib/mock/f39-build-1813081-41835/root/chroot_tmpdir/scmroot/nodejs-diagnostic-language-server
Cloning into '/var/lib/mock/f39-build-1813081-41835/root/chroot_tmpdir/scmroot/nodejs-diagnostic-language-server'...
$ git fetch origin 83fa49b5f14ac5a3ecdb2333b18ca4238c1bb861:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nodejs-diagnostic-language-server
 * [new ref]         83fa49b5f14ac5a3ecdb2333b18ca4238c1bb861 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 83fa49b Fix BR for nodejs-npm