$ git clone -n https://src.fedoraproject.org/rpms/rust-async-mutex.git /var/lib/mock/f40-build-2053672-49096/root/chroot_tmpdir/scmroot/rust-async-mutex
Cloning into '/var/lib/mock/f40-build-2053672-49096/root/chroot_tmpdir/scmroot/rust-async-mutex'...
$ git fetch origin 1dc8a879e6fe73566a707119a91095197240034f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-async-mutex
 * [new ref]         1dc8a879e6fe73566a707119a91095197240034f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1dc8a87 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild