$ git clone -n https://src.fedoraproject.org/rpms/jchardet.git /var/lib/mock/f40-build-2489808-61655/root/chroot_tmpdir/scmroot/jchardet
Cloning into '/var/lib/mock/f40-build-2489808-61655/root/chroot_tmpdir/scmroot/jchardet'...
$ git fetch origin 9e600a397026a5ac15946c4f96aa4389caf7e367:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jchardet
 * [new ref]         9e600a397026a5ac15946c4f96aa4389caf7e367 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9e600a3 Rebuilt for java-21-openjdk as system jdk