$ git clone -n https://src.fedoraproject.org/rpms/rust-fragile.git /var/lib/mock/f39-build-1517715-35763/root/chroot_tmpdir/scmroot/rust-fragile
Cloning into '/var/lib/mock/f39-build-1517715-35763/root/chroot_tmpdir/scmroot/rust-fragile'...
$ git fetch origin 67fc180aabfff4c2de31387d6c8dc529a455327a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-fragile
 * [new ref]         67fc180aabfff4c2de31387d6c8dc529a455327a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 67fc180 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild