$ git clone -n https://src.fedoraproject.org/rpms/hexchat.git /var/lib/mock/f39-build-1533250-36227/root/chroot_tmpdir/scmroot/hexchat
Cloning into '/var/lib/mock/f39-build-1533250-36227/root/chroot_tmpdir/scmroot/hexchat'...
$ git fetch origin 7c64b89e18d2c291114cbdfb36c7d4ef2162d570:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hexchat
 * [new ref]         7c64b89e18d2c291114cbdfb36c7d4ef2162d570 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7c64b89 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild