$ git clone -n https://src.fedoraproject.org/rpms/rubygem-pango.git /var/lib/mock/f40-build-777930-129639/root/chroot_tmpdir/scmroot/rubygem-pango
Cloning into '/var/lib/mock/f40-build-777930-129639/root/chroot_tmpdir/scmroot/rubygem-pango'...
$ git fetch origin 0efb31b74cc30bb857c06225d79f94c1dba23539:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-pango
 * [new ref]         0efb31b74cc30bb857c06225d79f94c1dba23539 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0efb31b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild