$ git clone -n https://src.fedoraproject.org/rpms/rust-async-channel.git /var/lib/mock/f40-build-2679627-67934/root/chroot_tmpdir/scmroot/rust-async-channel
Cloning into '/var/lib/mock/f40-build-2679627-67934/root/chroot_tmpdir/scmroot/rust-async-channel'...
$ git fetch origin d385cdf7c8a322ad99fe1c383bd368c3c831e481:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-async-channel
 * [new ref]         d385cdf7c8a322ad99fe1c383bd368c3c831e481 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d385cdf Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild