$ git clone -n https://src.fedoraproject.org/rpms/log4cxx.git /var/lib/mock/f40-build-1507260-23890/root/chroot_tmpdir/scmroot/log4cxx
Cloning into '/var/lib/mock/f40-build-1507260-23890/root/chroot_tmpdir/scmroot/log4cxx'...
$ git fetch origin 2653d9b7ac65bcd703bf3534c74bc89066d1de58:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/log4cxx
 * [new ref]         2653d9b7ac65bcd703bf3534c74bc89066d1de58 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2653d9b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild