$ git clone -n https://src.fedoraproject.org/rpms/apache-commons-exec.git /var/lib/mock/f40-build-2538754-61857/root/chroot_tmpdir/scmroot/apache-commons-exec
Cloning into '/var/lib/mock/f40-build-2538754-61857/root/chroot_tmpdir/scmroot/apache-commons-exec'...
$ git fetch origin 4d170cbcf0a572f7c0690b70097a4490d633fb69:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/apache-commons-exec
 * [new ref]         4d170cbcf0a572f7c0690b70097a4490d633fb69 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4d170cb Rebuilt for java-21-openjdk as system jdk