$ git clone -n https://src.fedoraproject.org/rpms/perl-Sys-Info-Base.git /var/lib/mock/f40-build-2308583-57307/root/chroot_tmpdir/scmroot/perl-Sys-Info-Base
Cloning into '/var/lib/mock/f40-build-2308583-57307/root/chroot_tmpdir/scmroot/perl-Sys-Info-Base'...
$ git fetch origin f24ec642db21e7f1a172e107c0c644150d972e7b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Sys-Info-Base
 * [new ref]         f24ec642db21e7f1a172e107c0c644150d972e7b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f24ec64 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild