$ git clone -n https://src.fedoraproject.org/rpms/clisp.git /var/lib/mock/f39-build-1918076-42932/root/chroot_tmpdir/scmroot/clisp
Cloning into '/var/lib/mock/f39-build-1918076-42932/root/chroot_tmpdir/scmroot/clisp'...
$ git fetch origin 758dd9dc0da8620e1a8f6ccc7333ff55ab773ec3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/clisp
 * [new ref]         758dd9dc0da8620e1a8f6ccc7333ff55ab773ec3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 758dd9d Build without pcre support (rhbz#2128278)