$ git clone -n https://src.fedoraproject.org/rpms/jakarta-el.git /var/lib/mock/f40-build-2546641-61909/root/chroot_tmpdir/scmroot/jakarta-el
Cloning into '/var/lib/mock/f40-build-2546641-61909/root/chroot_tmpdir/scmroot/jakarta-el'...
$ git fetch origin a8cfd760d775112ed53848b4813c093f2e125cf6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jakarta-el
 * [new ref]         a8cfd760d775112ed53848b4813c093f2e125cf6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a8cfd76 Rebuilt for java-21-openjdk as system jdk