$ git clone -n https://src.fedoraproject.org/rpms/xvidcore.git /var/lib/mock/f42-build-869342-176483/root/chroot_tmpdir/scmroot/xvidcore
Cloning into '/var/lib/mock/f42-build-869342-176483/root/chroot_tmpdir/scmroot/xvidcore'...
$ git fetch origin 95382dbe529e5589a727fffceb620b0a89ff55f2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xvidcore
 * [new ref]         95382dbe529e5589a727fffceb620b0a89ff55f2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 95382db Fix build with GCC15