$ git clone -n https://src.fedoraproject.org/rpms/webextension-token-signing.git /var/lib/mock/f40-build-804646-144575/root/chroot_tmpdir/scmroot/webextension-token-signing
Cloning into '/var/lib/mock/f40-build-804646-144575/root/chroot_tmpdir/scmroot/webextension-token-signing'...
$ git fetch origin 645b8f200dfcd0237cc4ad860b03748785fe7862:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/webextension-token-signing
 * [new ref]         645b8f200dfcd0237cc4ad860b03748785fe7862 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 645b8f2 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild