$ git clone -n https://src.fedoraproject.org/rpms/rubygem-excon.git /var/lib/mock/f41-build-1714191-24614/root/chroot_tmpdir/scmroot/rubygem-excon
Cloning into '/var/lib/mock/f41-build-1714191-24614/root/chroot_tmpdir/scmroot/rubygem-excon'...
$ git fetch origin 526c38202f07b9bcdda62430e8319aac0119a834:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-excon
 * [new ref]         526c38202f07b9bcdda62430e8319aac0119a834 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 526c382 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild