$ git clone -n https://src.fedoraproject.org/rpms/libecb.git /var/lib/mock/f40-build-2603616-63341/root/chroot_tmpdir/scmroot/libecb
Cloning into '/var/lib/mock/f40-build-2603616-63341/root/chroot_tmpdir/scmroot/libecb'...
$ git fetch origin 2c447557749562c9a22698dc9b05c323477b1b51:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libecb
 * [new ref]         2c447557749562c9a22698dc9b05c323477b1b51 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2c44755 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild