partial-borrow 1.0.1

Partially borrow a struct
Documentation 
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#!/bin/bash
# Copyright 2021 Ian Jackson and contributors
# SPDX-License-Identifier: GPL-3.0-or-later
# There is NO WARRANTY.

set -e
. ${0%/*}/../common.sh

new=argument/blank.rs.new

script="
	x () { echo \"== \$*\"; \"\$@\"; }
	rm -f $new
	perl -i~ -pe '' macros/macros.rs
	RUST_PARTIAL_BORROW_EXPAND_DEBUG=\">\$PWD/$new\" \
	x cargo build --bin argument-input
"

case "$CARGO" in
*nailing*)
    $CARGO --linkfarm=git -sbuild --- bash -ec "
		{ $script } >&2
		cat $new
	" >"$new"
    ;;
*)
    eval "$script"
    ;;
esac

cd argument

rm -f argument.rs.old blank.rs.old
git cat-file blob HEAD:argument/argument.rs >argument.rs.old
git cat-file blob HEAD:argument/blank.rs    >blank.rs.old

diff3 -m                 \
      blank.rs.new       \
      blank.rs.old       \
      argument.rs.old    \
      >argument.rs.new	 \
|| test $? = 1

cp argument.rs.new argument.rs
cp blank.rs.new    blank.rs

echo 'Merge complete (there may be conflicts etc.)'