$ git clone -n https://src.fedoraproject.org/rpms/libkiwix.git /var/lib/mock/f40-build-2672481-67512/root/chroot_tmpdir/scmroot/libkiwix
Cloning into '/var/lib/mock/f40-build-2672481-67512/root/chroot_tmpdir/scmroot/libkiwix'...
$ git fetch origin 0f652d128ef2b01af427359e1ec5dbc33ea36f96:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libkiwix
 * [new ref]         0f652d128ef2b01af427359e1ec5dbc33ea36f96 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0f652d1 Rebuild for ICU 74