$ git clone -n https://src.fedoraproject.org/rpms/java-11-openjdk.git /var/lib/mock/f39-build-1880981-42756/root/chroot_tmpdir/scmroot/java-11-openjdk
Cloning into '/var/lib/mock/f39-build-1880981-42756/root/chroot_tmpdir/scmroot/java-11-openjdk'...
$ git fetch origin 1d52ad9ee3910455c20d7fced28acaedcfd0f351:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/java-11-openjdk
 * [new ref]         1d52ad9ee3910455c20d7fced28acaedcfd0f351 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1d52ad9 Properly removing incorrect-arch launchers, which confused older strip