thodg/got/regress/cmdline/stage.sh

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• Hash : 9c5c5eed
  Author :
  Date : 2019-08-04T00:35:00
  

  fix missing ret assignment in test_double_stage

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• regress/cmdline/stage.sh

• #!/bin/sh
  #
  # Copyright (c) 2019 Stefan Sperling <stsp@openbsd.org>
  #
  # Permission to use, copy, modify, and distribute this software for any
  # purpose with or without fee is hereby granted, provided that the above
  # copyright notice and this permission notice appear in all copies.
  #
  # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  
  . ./common.sh
  
  function test_stage_basic {
  	local testroot=`test_init stage_basic`
  
  	got checkout $testroot/repo $testroot/wt > /dev/null
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  
  	echo "modified file" > $testroot/wt/alpha
  	(cd $testroot/wt && got rm beta > /dev/null)
  	echo "new file" > $testroot/wt/foo
  	(cd $testroot/wt && got add foo > /dev/null)
  
  	echo ' M alpha' > $testroot/stdout.expected
  	echo ' D beta' >> $testroot/stdout.expected
  	echo ' A foo' >> $testroot/stdout.expected
  	(cd $testroot/wt && got stage alpha beta foo > $testroot/stdout)
  
  	cmp -s $testroot/stdout.expected $testroot/stdout
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/stdout.expected $testroot/stdout
  	fi
  	test_done "$testroot" "$ret"
  }
  
  function test_stage_conflict {
  	local testroot=`test_init stage_conflict`
  	local initial_commit=`git_show_head $testroot/repo`
  
  	got checkout $testroot/repo $testroot/wt > /dev/null
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  
  	echo "modified alpha" > $testroot/wt/alpha
  	(cd $testroot/wt && got commit -m "modified alpha" >/dev/null)
  
  	(cd $testroot/wt && got update -c $initial_commit > /dev/null)
  
  	echo "modified alpha, too" > $testroot/wt/alpha
  
  	echo "C  alpha" > $testroot/stdout.expected
  	echo -n "Updated to commit " >> $testroot/stdout.expected
  	git_show_head $testroot/repo >> $testroot/stdout.expected
  	echo >> $testroot/stdout.expected
  
  	(cd $testroot/wt && got update > $testroot/stdout)
  
  	cmp -s $testroot/stdout.expected $testroot/stdout
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/stdout.expected $testroot/stdout
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  
  	(cd $testroot/wt && got stage alpha > $testroot/stdout \
  		2> $testroot/stderr)
  	ret="$?"
  	if [ "$ret" == "0" ]; then
  		echo "got stage command succeeded unexpectedly" >&2
  		test_done "$testroot" "1"
  		return 1
  	fi
  
  	echo -n > $testroot/stdout.expected
  	echo "got: alpha: cannot stage file in conflicted status" \
  		> $testroot/stderr.expected
  
  	cmp -s $testroot/stdout.expected $testroot/stdout
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/stdout.expected $testroot/stdout
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  	cmp -s $testroot/stderr.expected $testroot/stderr
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/stderr.expected $testroot/stderr
  	fi
  	test_done "$testroot" "$ret"
  }
  
  function test_stage_out_of_date {
  	local testroot=`test_init stage_out_of_date`
  	local initial_commit=`git_show_head $testroot/repo`
  
  	got checkout $testroot/repo $testroot/wt > /dev/null
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  
  	echo "modified alpha" > $testroot/wt/alpha
  	(cd $testroot/wt && got commit -m "modified alpha" >/dev/null)
  
  	(cd $testroot/wt && got update -c $initial_commit > /dev/null)
  
  	echo "modified alpha again" > $testroot/wt/alpha
  	(cd $testroot/wt && got stage alpha > $testroot/stdout \
  		2> $testroot/stderr)
  	ret="$?"
  	if [ "$ret" == "0" ]; then
  		echo "got stage command succeeded unexpectedly" >&2
  		test_done "$testroot" "1"
  		return 1
  	fi
  
  	echo -n > $testroot/stdout.expected
  	echo "got: work tree must be updated before changes can be staged" \
  		> $testroot/stderr.expected
  
  	cmp -s $testroot/stdout.expected $testroot/stdout
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/stdout.expected $testroot/stdout
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  	cmp -s $testroot/stderr.expected $testroot/stderr
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/stderr.expected $testroot/stderr
  	fi
  	test_done "$testroot" "$ret"
  }
  
  
  function test_double_stage {
  	local testroot=`test_init double_stage`
  
  	got checkout $testroot/repo $testroot/wt > /dev/null
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  	echo "modified file" > $testroot/wt/alpha
  	(cd $testroot/wt && got rm beta > /dev/null)
  	echo "new file" > $testroot/wt/foo
  	(cd $testroot/wt && got add foo > /dev/null)
  	(cd $testroot/wt && got stage alpha beta foo > /dev/null)
  
  	echo "got: alpha: no changes to stage" > $testroot/stderr.expected
  	(cd $testroot/wt && got stage alpha 2> $testroot/stderr)
  	cmp -s $testroot/stderr.expected $testroot/stderr
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/stderr.expected $testroot/stderr
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  
  	(cd $testroot/wt && got stage beta > $testroot/stdout)
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		echo "got stage command failed unexpectedly" >&2
  		test_done "$testroot" "1"
  		return 1
  	fi
  	echo -n > $testroot/stdout.expected
  	cmp -s $testroot/stdout.expected $testroot/stdout
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/stdout.expected $testroot/stdout
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  
  	echo "got: foo: no changes to stage" > $testroot/stderr.expected
  	(cd $testroot/wt && got stage foo 2> $testroot/stderr)
  	cmp -s $testroot/stderr.expected $testroot/stderr
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/stderr.expected $testroot/stderr
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  
  	echo "modified file again" > $testroot/wt/alpha
  	echo "modified new file" > $testroot/wt/foo
  
  	echo ' M alpha' > $testroot/stdout.expected
  	echo ' A foo' >> $testroot/stdout.expected
  	(cd $testroot/wt && got stage alpha beta foo > $testroot/stdout)
  	cmp -s $testroot/stdout.expected $testroot/stdout
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/stdout.expected $testroot/stdout
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  
  	echo ' M alpha' > $testroot/stdout.expected
  	echo ' D beta' >> $testroot/stdout.expected
  	echo ' A foo' >> $testroot/stdout.expected
  
  	(cd $testroot/wt && got status > $testroot/stdout)
  	cmp -s $testroot/stdout.expected $testroot/stdout
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/stdout.expected $testroot/stdout
  	fi
  	test_done "$testroot" "$ret"
  }
  
  function test_stage_status {
  	local testroot=`test_init stage_status`
  
  	got checkout $testroot/repo $testroot/wt > /dev/null
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  
  	echo "modified file" > $testroot/wt/alpha
  	(cd $testroot/wt && got rm beta > /dev/null)
  	echo "new file" > $testroot/wt/foo
  	(cd $testroot/wt && got add foo > /dev/null)
  	echo "new file" > $testroot/wt/epsilon/new
  	(cd $testroot/wt && got add epsilon/new > /dev/null)
  	echo "modified file" > $testroot/wt/epsilon/zeta
  	(cd $testroot/wt && got rm gamma/delta > /dev/null)
  
  	echo ' M alpha' > $testroot/stdout.expected
  	echo ' D beta' >> $testroot/stdout.expected
  	echo 'A  epsilon/new' >> $testroot/stdout.expected
  	echo 'M  epsilon/zeta' >> $testroot/stdout.expected
  	echo ' A foo' >> $testroot/stdout.expected
  	echo 'D  gamma/delta' >> $testroot/stdout.expected
  	(cd $testroot/wt && got stage alpha beta foo > /dev/null)
  
  	(cd $testroot/wt && got status > $testroot/stdout)
  	cmp -s $testroot/stdout.expected $testroot/stdout
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/stdout.expected $testroot/stdout
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  
  	echo "modified file again" >> $testroot/wt/alpha
  	echo "modified added file again" >> $testroot/wt/foo
  
  	echo 'MM alpha' > $testroot/stdout.expected
  	echo ' D beta' >> $testroot/stdout.expected
  	echo 'A  epsilon/new' >> $testroot/stdout.expected
  	echo 'M  epsilon/zeta' >> $testroot/stdout.expected
  	echo 'MA foo' >> $testroot/stdout.expected
  	echo 'D  gamma/delta' >> $testroot/stdout.expected
  
  	(cd $testroot/wt && got status > $testroot/stdout)
  	cmp -s $testroot/stdout.expected $testroot/stdout
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/stdout.expected $testroot/stdout
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  
  	# test no-op change of added file with new stat(2) timestamp
  	echo "new file" > $testroot/wt/foo
  	echo ' A foo' > $testroot/stdout.expected
  	(cd $testroot/wt && got status foo > $testroot/stdout)
  	cmp -s $testroot/stdout.expected $testroot/stdout
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/stdout.expected $testroot/stdout
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  
  	# test staged deleted file which is restored on disk
  	echo "new file" > $testroot/wt/beta
  	echo ' D beta' > $testroot/stdout.expected
  	(cd $testroot/wt && got status beta > $testroot/stdout)
  	cmp -s $testroot/stdout.expected $testroot/stdout
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/stdout.expected $testroot/stdout
  	fi
  	test_done "$testroot" "$ret"
  
  }
  
  function test_stage_add_already_staged_file {
  	local testroot=`test_init stage_add_already_staged_file`
  
  	got checkout $testroot/repo $testroot/wt > /dev/null
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  
  	echo "modified file" > $testroot/wt/alpha
  	(cd $testroot/wt && got rm beta > /dev/null)
  	echo "new file" > $testroot/wt/foo
  	(cd $testroot/wt && got add foo > /dev/null)
  
  	(cd $testroot/wt && got stage alpha beta foo > $testroot/stdout)
  
  	(cd $testroot/wt && got add beta \
  		> $testroot/stdout 2> $testroot/stderr)
  	ret="$?"
  	if [ "$ret" == "0" ]; then
  		echo "got add command succeeded unexpectedly" >&2
  		test_done "$testroot" "1"
  		return 1
  	fi
  	echo "got: realpath: beta: No such file or directory" \
  		> $testroot/stderr.expected
  	cmp -s $testroot/stderr.expected $testroot/stderr
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/stderr.expected $testroot/stderr
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  
  	echo -n > $testroot/stdout.expected
  	for f in alpha foo; do
  		(cd $testroot/wt && got add $f \
  			> $testroot/stdout 2> $testroot/stderr)
  		ret="$?"
  		if [ "$ret" != "0" ]; then
  			echo "got add command failed unexpectedly" >&2
  			test_done "$testroot" "1"
  			return 1
  		fi
  		cmp -s $testroot/stdout.expected $testroot/stdout
  		ret="$?"
  		if [ "$ret" != "0" ]; then
  			diff -u $testroot/stdout.expected $testroot/stdout
  			test_done "$testroot" "$ret"
  			return 1
  		fi
  	done
  
  	echo ' M alpha' > $testroot/stdout.expected
  	echo ' D beta' >> $testroot/stdout.expected
  	echo ' A foo' >> $testroot/stdout.expected
  
  	(cd $testroot/wt && got status > $testroot/stdout)
  	cmp -s $testroot/stdout.expected $testroot/stdout
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/stdout.expected $testroot/stdout
  	fi
  	test_done "$testroot" "$ret"
  }
  
  function test_stage_rm_already_staged_file {
  	local testroot=`test_init stage_rm_already_staged_file`
  
  	got checkout $testroot/repo $testroot/wt > /dev/null
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  
  	echo "modified file" > $testroot/wt/alpha
  	(cd $testroot/wt && got rm beta > /dev/null)
  	echo "new file" > $testroot/wt/foo
  	(cd $testroot/wt && got add foo > /dev/null)
  
  	(cd $testroot/wt && got stage alpha beta foo > $testroot/stdout)
  
  	(cd $testroot/wt && got rm beta \
  		> $testroot/stdout 2> $testroot/stderr)
  	ret="$?"
  	if [ "$ret" == "0" ]; then
  		echo "got rm command succeeded unexpectedly" >&2
  		test_done "$testroot" "1"
  		return 1
  	fi
  	echo "got: realpath: beta: No such file or directory" \
  		> $testroot/stderr.expected
  	cmp -s $testroot/stderr.expected $testroot/stderr
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/stderr.expected $testroot/stderr
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  
  	for f in alpha foo; do
  		echo "got: $f: file is staged" > $testroot/stderr.expected
  		(cd $testroot/wt && got rm $f \
  			> $testroot/stdout 2> $testroot/stderr)
  		ret="$?"
  		if [ "$ret" == "0" ]; then
  			echo "got rm command succeeded unexpectedly" >&2
  			test_done "$testroot" "1"
  			return 1
  		fi
  		cmp -s $testroot/stderr.expected $testroot/stderr
  		ret="$?"
  		if [ "$ret" != "0" ]; then
  			diff -u $testroot/stderr.expected $testroot/stderr
  			test_done "$testroot" "$ret"
  			return 1
  		fi
  	done
  
  	echo ' M alpha' > $testroot/stdout.expected
  	echo ' D beta' >> $testroot/stdout.expected
  	echo ' A foo' >> $testroot/stdout.expected
  
  	(cd $testroot/wt && got status > $testroot/stdout)
  	cmp -s $testroot/stdout.expected $testroot/stdout
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/stdout.expected $testroot/stdout
  	fi
  	test_done "$testroot" "$ret"
  }
  
  function test_stage_revert {
  	local testroot=`test_init stage_revert`
  
  	got checkout $testroot/repo $testroot/wt > /dev/null
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  
  	echo "modified alpha" > $testroot/wt/alpha
  	(cd $testroot/wt && got rm beta > /dev/null)
  	echo "new file" > $testroot/wt/foo
  	(cd $testroot/wt && got add foo > /dev/null)
  	(cd $testroot/wt && got stage alpha beta foo > /dev/null)
  
  	echo "modified file again" >> $testroot/wt/alpha
  	echo "modified added file again" >> $testroot/wt/foo
  
  	(cd $testroot/wt && got revert alpha > $testroot/stdout)
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		echo "revert command failed unexpectedly" >&2
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  
  	echo "R  alpha" > $testroot/stdout.expected
  	cmp -s $testroot/stdout.expected $testroot/stdout
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/stdout.expected $testroot/stdout
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  
  	echo "modified alpha" > $testroot/content.expected
  	cat $testroot/wt/alpha > $testroot/content
  	cmp -s $testroot/content.expected $testroot/content
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/content.expected $testroot/content
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  
  	echo ' M alpha' > $testroot/stdout.expected
  	echo ' D beta' >> $testroot/stdout.expected
  	echo 'MA foo' >> $testroot/stdout.expected
  	(cd $testroot/wt && got status > $testroot/stdout)
  	cmp -s $testroot/stdout.expected $testroot/stdout
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/stdout.expected $testroot/stdout
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  
  	(cd $testroot/wt && got revert alpha > $testroot/stdout)
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		echo "revert command failed unexpectedly" >&2
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  
  	echo -n > $testroot/stdout.expected
  	cmp -s $testroot/stdout.expected $testroot/stdout
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/stdout.expected $testroot/stdout
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  
  	echo "modified alpha" > $testroot/content.expected
  	cat $testroot/wt/alpha > $testroot/content
  	cmp -s $testroot/content.expected $testroot/content
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/content.expected $testroot/content
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  
  	(cd $testroot/wt && got revert beta > $testroot/stdout \
  		2> $testroot/stderr)
  	ret="$?"
  	if [ "$ret" == "0" ]; then
  		echo "revert command succeeded unexpectedly" >&2
  		test_done "$testroot" "1"
  		return 1
  	fi
  
  	echo "got: beta: file is staged" > $testroot/stderr.expected
  	cmp -s $testroot/stderr.expected $testroot/stderr
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/stderr.expected $testroot/stderr
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  
  	(cd $testroot/wt && got revert foo > $testroot/stdout)
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		echo "revert command failed unexpectedly" >&2
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  
  	echo "R  foo" > $testroot/stdout.expected
  	cmp -s $testroot/stdout.expected $testroot/stdout
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/stdout.expected $testroot/stdout
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  
  	echo "new file" > $testroot/content.expected
  	cat $testroot/wt/foo > $testroot/content
  	cmp -s $testroot/content.expected $testroot/content
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/content.expected $testroot/content
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  
  	echo ' M alpha' > $testroot/stdout.expected
  	echo ' D beta' >> $testroot/stdout.expected
  	echo ' A foo' >> $testroot/stdout.expected
  	(cd $testroot/wt && got status > $testroot/stdout)
  	cmp -s $testroot/stdout.expected $testroot/stdout
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/stdout.expected $testroot/stdout
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  
  	(cd $testroot/wt && got revert foo > $testroot/stdout)
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		echo "revert command failed unexpectedly" >&2
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  
  	echo -n > $testroot/stdout.expected
  	cmp -s $testroot/stdout.expected $testroot/stdout
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/stdout.expected $testroot/stdout
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  
  	echo "new file" > $testroot/content.expected
  	cat $testroot/wt/foo > $testroot/content
  	cmp -s $testroot/content.expected $testroot/content
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/content.expected $testroot/content
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  
  	echo ' M alpha' > $testroot/stdout.expected
  	echo ' D beta' >> $testroot/stdout.expected
  	echo ' A foo' >> $testroot/stdout.expected
  	(cd $testroot/wt && got status > $testroot/stdout)
  	cmp -s $testroot/stdout.expected $testroot/stdout
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/stdout.expected $testroot/stdout
  	fi
  	test_done "$testroot" "$ret"
  }
  
  function test_stage_diff {
  	local testroot=`test_init stage_diff`
  	local head_commit=`git_show_head $testroot/repo`
  
  	got checkout $testroot/repo $testroot/wt > /dev/null
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  
  	echo "modified file" > $testroot/wt/alpha
  	(cd $testroot/wt && got rm beta > /dev/null)
  	echo "new file" > $testroot/wt/foo
  	(cd $testroot/wt && got add foo > /dev/null)
  
  	(cd $testroot/wt && got diff -s > $testroot/stdout)
  	echo -n > $testroot/stdout.expected
  	cmp -s $testroot/stdout.expected $testroot/stdout
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/stdout.expected $testroot/stdout
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  
  	echo ' M alpha' > $testroot/stdout.expected
  	echo ' D beta' >> $testroot/stdout.expected
  	echo ' A foo' >> $testroot/stdout.expected
  	(cd $testroot/wt && got stage alpha beta foo > /dev/null)
  
  	(cd $testroot/wt && got diff > $testroot/stdout)
  	echo -n > $testroot/stdout.expected
  	cmp -s $testroot/stdout.expected $testroot/stdout
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/stdout.expected $testroot/stdout
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  
  	echo "modified file again" > $testroot/wt/alpha
  	echo "new file changed" > $testroot/wt/foo
  
  	(cd $testroot/wt && got diff > $testroot/stdout)
  
  	echo "diff $head_commit $testroot/wt" > $testroot/stdout.expected
  	echo -n 'blob - ' >> $testroot/stdout.expected
  	(cd $testroot/wt && got stage -l alpha) | cut -d' ' -f 1 \
  		>> $testroot/stdout.expected
  	echo 'file + alpha' >> $testroot/stdout.expected
  	echo '--- alpha' >> $testroot/stdout.expected
  	echo '+++ alpha' >> $testroot/stdout.expected
  	echo '@@ -1 +1 @@' >> $testroot/stdout.expected
  	echo '-modified file' >> $testroot/stdout.expected
  	echo '+modified file again' >> $testroot/stdout.expected
  	echo -n 'blob - ' >> $testroot/stdout.expected
  	(cd $testroot/wt && got stage -l foo) | cut -d' ' -f 1 \
  		>> $testroot/stdout.expected
  	echo 'file + foo' >> $testroot/stdout.expected
  	echo '--- foo' >> $testroot/stdout.expected
  	echo '+++ foo' >> $testroot/stdout.expected
  	echo '@@ -1 +1 @@' >> $testroot/stdout.expected
  	echo '-new file' >> $testroot/stdout.expected
  	echo '+new file changed' >> $testroot/stdout.expected
  
  	cmp -s $testroot/stdout.expected $testroot/stdout
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/stdout.expected $testroot/stdout
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  
  	(cd $testroot/wt && got diff -s > $testroot/stdout)
  
  	echo "diff $head_commit $testroot/wt (staged changes)" \
  		> $testroot/stdout.expected
  	echo -n 'blob - ' >> $testroot/stdout.expected
  	got tree -r $testroot/repo -i | grep 'alpha$' | cut -d' ' -f 1 \
  		>> $testroot/stdout.expected
  	echo -n 'blob + ' >> $testroot/stdout.expected
  	(cd $testroot/wt && got stage -l alpha) | cut -d' ' -f 1 \
  		>> $testroot/stdout.expected
  	echo '--- alpha' >> $testroot/stdout.expected
  	echo '+++ alpha' >> $testroot/stdout.expected
  	echo '@@ -1 +1 @@' >> $testroot/stdout.expected
  	echo '-alpha' >> $testroot/stdout.expected
  	echo '+modified file' >> $testroot/stdout.expected
  	echo -n 'blob - ' >> $testroot/stdout.expected
  	got tree -r $testroot/repo -i | grep 'beta$' | cut -d' ' -f 1 \
  		>> $testroot/stdout.expected
  	echo 'blob + /dev/null' >> $testroot/stdout.expected
  	echo '--- beta' >> $testroot/stdout.expected
  	echo '+++ /dev/null' >> $testroot/stdout.expected
  	echo '@@ -1 +0,0 @@' >> $testroot/stdout.expected
  	echo '-beta' >> $testroot/stdout.expected
  	echo 'blob - /dev/null' >> $testroot/stdout.expected
  	echo -n 'blob + ' >> $testroot/stdout.expected
  	(cd $testroot/wt && got stage -l foo) | cut -d' ' -f 1 \
  		>> $testroot/stdout.expected
  	echo '--- /dev/null' >> $testroot/stdout.expected
  	echo '+++ foo' >> $testroot/stdout.expected
  	echo '@@ -0,0 +1 @@' >> $testroot/stdout.expected
  	echo '+new file' >> $testroot/stdout.expected
  
  	cmp -s $testroot/stdout.expected $testroot/stdout
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/stdout.expected $testroot/stdout
  	fi
  	test_done "$testroot" "$ret"
  
  }
  
  function test_stage_histedit {
  	local testroot=`test_init stage_histedit`
  	local orig_commit=`git_show_head $testroot/repo`
  
  	got checkout -c $orig_commit $testroot/repo $testroot/wt > /dev/null
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  
  	echo "modified file" > $testroot/wt/alpha
  	(cd $testroot/wt && got stage alpha > /dev/null)
  
  	echo "modified alpha on master" > $testroot/repo/alpha
  	(cd $testroot/repo && git rm -q beta)
  	echo "new file on master" > $testroot/repo/epsilon/new
  	(cd $testroot/repo && git add epsilon/new)
  	git_commit $testroot/repo -m "committing changes"
  	local old_commit1=`git_show_head $testroot/repo`
  
  	echo "modified zeta on master" > $testroot/repo/epsilon/zeta
  	git_commit $testroot/repo -m "committing to zeta on master"
  	local old_commit2=`git_show_head $testroot/repo`
  
  	echo "pick $old_commit1" > $testroot/histedit-script
  	echo "pick $old_commit2" >> $testroot/histedit-script
  
  	(cd $testroot/wt && got histedit -F $testroot/histedit-script \
  		> $testroot/stdout 2> $testroot/stderr)
  	ret="$?"
  	if [ "$ret" == "0" ]; then
  		echo "got histedit command succeeded unexpectedly" >&2
  		test_done "$testroot" "1"
  		return 1
  	fi
  
  	echo -n > $testroot/stdout.expected
  	echo "got: alpha: file is staged" > $testroot/stderr.expected
  
  	cmp -s $testroot/stderr.expected $testroot/stderr
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/stderr.expected $testroot/stderr
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  	cmp -s $testroot/stdout.expected $testroot/stdout
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/stdout.expected $testroot/stdout
  	fi
  	test_done "$testroot" "$ret"
  
  }
  
  function test_stage_rebase {
  	local testroot=`test_init stage_rebase`
  
  	(cd $testroot/repo && git checkout -q -b newbranch)
  	echo "modified delta on branch" > $testroot/repo/gamma/delta
  	git_commit $testroot/repo -m "committing to delta on newbranch"
  
  	echo "modified alpha on branch" > $testroot/repo/alpha
  	(cd $testroot/repo && git rm -q beta)
  	echo "new file on branch" > $testroot/repo/epsilon/new
  	(cd $testroot/repo && git add epsilon/new)
  	git_commit $testroot/repo -m "committing more changes on newbranch"
  
  	local orig_commit1=`git_show_parent_commit $testroot/repo`
  	local orig_commit2=`git_show_head $testroot/repo`
  
  	(cd $testroot/repo && git checkout -q master)
  	echo "modified zeta on master" > $testroot/repo/epsilon/zeta
  	git_commit $testroot/repo -m "committing to zeta on master"
  	local master_commit=`git_show_head $testroot/repo`
  
  	got checkout $testroot/repo $testroot/wt > /dev/null
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  
  	echo "modified file" > $testroot/wt/alpha
  	(cd $testroot/wt && got stage alpha > /dev/null)
  
  	(cd $testroot/wt && got rebase newbranch \
  		> $testroot/stdout 2> $testroot/stderr)
  	ret="$?"
  	if [ "$ret" == "0" ]; then
  		echo "got rebase command succeeded unexpectedly" >&2
  		test_done "$testroot" "1"
  		return 1
  	fi
  
  	echo -n > $testroot/stdout.expected
  	echo "got: alpha: file is staged" > $testroot/stderr.expected
  
  	cmp -s $testroot/stderr.expected $testroot/stderr
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/stderr.expected $testroot/stderr
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  	cmp -s $testroot/stdout.expected $testroot/stdout
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/stdout.expected $testroot/stdout
  	fi
  	test_done "$testroot" "$ret"
  }
  
  function test_stage_update {
  	local testroot=`test_init stage_update`
  
  	got checkout $testroot/repo $testroot/wt > /dev/null
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  
  	echo "modified file" > $testroot/wt/alpha
  	(cd $testroot/wt && got stage alpha > /dev/null)
  
  	echo "modified alpha" > $testroot/repo/alpha
  	git_commit $testroot/repo -m "modified alpha"
  
  	(cd $testroot/wt && got update > $testroot/stdout  \
  		2> $testroot/stderr)
  	ret="$?"
  	if [ "$ret" == "0" ]; then
  		echo "got update command succeeded unexpectedly" >&2
  		test_done "$testroot" "1"
  		return 1
  	fi
  
  	echo -n > $testroot/stdout.expected
  	echo "got: alpha: file is staged" > $testroot/stderr.expected
  
  	cmp -s $testroot/stderr.expected $testroot/stderr
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/stderr.expected $testroot/stderr
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  	cmp -s $testroot/stdout.expected $testroot/stdout
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/stdout.expected $testroot/stdout
  	fi
  	test_done "$testroot" "$ret"
  }
  
  function test_stage_commit_non_staged {
  	local testroot=`test_init stage_commit_non_staged`
  
  	got checkout $testroot/repo $testroot/wt > /dev/null
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  
  	echo "modified file" > $testroot/wt/alpha
  	(cd $testroot/wt && got rm beta > /dev/null)
  	echo "new file" > $testroot/wt/foo
  	(cd $testroot/wt && got add foo > /dev/null)
  	(cd $testroot/wt && got stage alpha beta foo > /dev/null)
  
  	echo "modified file" > $testroot/wt/gamma/delta
  	(cd $testroot/wt && got commit -m "change delta" gamma/delta \
  		> $testroot/stdout 2> $testroot/stderr)
  	ret="$?"
  	if [ "$ret" == "0" ]; then
  		echo "got commit command succeeded unexpectedly" >&2
  		test_done "$testroot" "1"
  		return 1
  	fi
  
  	echo -n > $testroot/stdout.expected
  	echo "got: gamma/delta: file is not staged" > $testroot/stderr.expected
  
  	cmp -s $testroot/stderr.expected $testroot/stderr
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/stderr.expected $testroot/stderr
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  	cmp -s $testroot/stdout.expected $testroot/stdout
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/stdout.expected $testroot/stdout
  	fi
  	test_done "$testroot" "$ret"
  }
  
  function test_stage_commit {
  	local testroot=`test_init stage_commit`
  	local first_commit=`git_show_head $testroot/repo`
  
  	got checkout $testroot/repo $testroot/wt > /dev/null
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  
  	echo "modified file" > $testroot/wt/alpha
  	(cd $testroot/wt && got rm beta > /dev/null)
  	echo "new file" > $testroot/wt/foo
  	(cd $testroot/wt && got add foo > /dev/null)
  	echo "modified file" > $testroot/wt/alpha
  	(cd $testroot/wt && got stage alpha beta foo > /dev/null)
  
  	echo "modified file again" > $testroot/wt/alpha
  	echo "new file changed" > $testroot/wt/foo
  	echo "non-staged change" > $testroot/wt/gamma/delta
  	echo "non-staged new file" > $testroot/wt/epsilon/new
  	(cd $testroot/wt && got add epsilon/new > /dev/null)
  	(cd $testroot/wt && got rm epsilon/zeta > /dev/null)
  
  	(cd $testroot/wt && got stage -l alpha) | cut -d' ' -f 1 \
  		> $testroot/blob_id_alpha
  	(cd $testroot/wt && got stage -l foo) | cut -d' ' -f 1 \
  		> $testroot/blob_id_foo
  
  	(cd $testroot/wt && got commit -m "staged changes" \
  		> $testroot/stdout)
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		echo "got commit command failed unexpectedly" >&2
  		test_done "$testroot" "1"
  		return 1
  	fi
  
  	local head_commit=`git_show_head $testroot/repo`
  	echo "A  foo" > $testroot/stdout.expected
  	echo "M  alpha" >> $testroot/stdout.expected
  	echo "D  beta" >> $testroot/stdout.expected
  	echo "Created commit $head_commit" >> $testroot/stdout.expected
  
  	cmp -s $testroot/stdout.expected $testroot/stdout
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/stdout.expected $testroot/stdout
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  
  	got diff -r $testroot/repo $first_commit $head_commit \
  		> $testroot/stdout
  
  	echo "diff $first_commit $head_commit" \
  		> $testroot/stdout.expected
  	echo -n 'blob - ' >> $testroot/stdout.expected
  	got tree -r $testroot/repo -i -c $first_commit | \
  		grep 'alpha$' | cut -d' ' -f 1 \
  		>> $testroot/stdout.expected
  	echo -n 'blob + ' >> $testroot/stdout.expected
  	cat $testroot/blob_id_alpha >> $testroot/stdout.expected
  	echo '--- alpha' >> $testroot/stdout.expected
  	echo '+++ alpha' >> $testroot/stdout.expected
  	echo '@@ -1 +1 @@' >> $testroot/stdout.expected
  	echo '-alpha' >> $testroot/stdout.expected
  	echo '+modified file' >> $testroot/stdout.expected
  	echo -n 'blob - ' >> $testroot/stdout.expected
  	got tree -r $testroot/repo -i -c $first_commit \
  		| grep 'beta$' | cut -d' ' -f 1 \
  		>> $testroot/stdout.expected
  	echo 'blob + /dev/null' >> $testroot/stdout.expected
  	echo '--- beta' >> $testroot/stdout.expected
  	echo '+++ /dev/null' >> $testroot/stdout.expected
  	echo '@@ -1 +0,0 @@' >> $testroot/stdout.expected
  	echo '-beta' >> $testroot/stdout.expected
  	echo 'blob - /dev/null' >> $testroot/stdout.expected
  	echo -n 'blob + ' >> $testroot/stdout.expected
  	cat $testroot/blob_id_foo >> $testroot/stdout.expected
  	echo '--- /dev/null' >> $testroot/stdout.expected
  	echo '+++ foo' >> $testroot/stdout.expected
  	echo '@@ -0,0 +1 @@' >> $testroot/stdout.expected
  	echo '+new file' >> $testroot/stdout.expected
  
  	cmp -s $testroot/stdout.expected $testroot/stdout
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/stdout.expected $testroot/stdout
  		test_done "$testroot" "$ret"
  		return 1
  	fi
  
  	echo 'A  epsilon/new' > $testroot/stdout.expected
  	echo 'D  epsilon/zeta' >> $testroot/stdout.expected
  	echo 'M  gamma/delta' >> $testroot/stdout.expected
  
  	(cd $testroot/wt && got status > $testroot/stdout)
  	cmp -s $testroot/stdout.expected $testroot/stdout
  	ret="$?"
  	if [ "$ret" != "0" ]; then
  		diff -u $testroot/stdout.expected $testroot/stdout
  	fi
  	test_done "$testroot" "$ret"
  }
  
  run_test test_stage_basic
  run_test test_stage_conflict
  run_test test_stage_out_of_date
  run_test test_double_stage
  run_test test_stage_status
  run_test test_stage_add_already_staged_file
  run_test test_stage_rm_already_staged_file
  run_test test_stage_revert
  run_test test_stage_diff
  run_test test_stage_histedit
  run_test test_stage_rebase
  run_test test_stage_update
  run_test test_stage_commit_non_staged
  run_test test_stage_commit
  

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