$ git clone -n https://src.fedoraproject.org/rpms/rust-plist.git /var/lib/mock/f39-build-1657810-40570/root/chroot_tmpdir/scmroot/rust-plist
Cloning into '/var/lib/mock/f39-build-1657810-40570/root/chroot_tmpdir/scmroot/rust-plist'...
$ git fetch origin 343b631c40947a31bc0621922b184240dc7d4fd8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-plist
 * [new ref]         343b631c40947a31bc0621922b184240dc7d4fd8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 343b631 Update to version 1.5.1; Fixes RHBZ#2245554