$ git clone -n https://src.fedoraproject.org/rpms/clojure-spec-alpha.git /var/lib/mock/f40-build-2614580-64141/root/chroot_tmpdir/scmroot/clojure-spec-alpha
Cloning into '/var/lib/mock/f40-build-2614580-64141/root/chroot_tmpdir/scmroot/clojure-spec-alpha'...
$ git fetch origin ef7e82535d7a5b82deb118f41ce2a1da92b9abbf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/clojure-spec-alpha
 * [new ref]         ef7e82535d7a5b82deb118f41ce2a1da92b9abbf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ef7e825 Rebuilt for java-21-openjdk as system jdk