$ git clone -n https://src.fedoraproject.org/rpms/rust-async-signal.git /var/lib/mock/f40-build-2389588-60521/root/chroot_tmpdir/scmroot/rust-async-signal
Cloning into '/var/lib/mock/f40-build-2389588-60521/root/chroot_tmpdir/scmroot/rust-async-signal'...
$ git fetch origin 70f2c43652ab0b89211ffff57fc3782f83d0c468:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-async-signal
 * [new ref]         70f2c43652ab0b89211ffff57fc3782f83d0c468 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 70f2c43 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild