$ git clone -n https://src.fedoraproject.org/rpms/R-pkgdown.git /var/lib/mock/f41-build-side-1-2630941-25638/root/chroot_tmpdir/scmroot/R-pkgdown
Cloning into '/var/lib/mock/f41-build-side-1-2630941-25638/root/chroot_tmpdir/scmroot/R-pkgdown'...
$ git fetch origin f3c4b7289356837001f7dbe14450d4e5e25e60e7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-pkgdown
 * [new ref]         f3c4b7289356837001f7dbe14450d4e5e25e60e7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f3c4b72 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild