diff options
| -rwxr-xr-x | git-difftool.perl | 2 | ||||
| -rwxr-xr-x | t/t7800-difftool.sh | 368 |
2 files changed, 170 insertions, 200 deletions
diff --git a/git-difftool.perl b/git-difftool.perl index 0a90de414..12231fbc6 100755 --- a/git-difftool.perl +++ b/git-difftool.perl @@ -336,7 +336,7 @@ sub main } if ($opts{gui}) { my $guitool = Git::config('diff.guitool'); - if (length($guitool) > 0) { + if (defined($guitool) && length($guitool) > 0) { $ENV{GIT_DIFF_TOOL} = $guitool; } } diff --git a/t/t7800-difftool.sh b/t/t7800-difftool.sh index eb1d3f85b..3aab6e150 100755 --- a/t/t7800-difftool.sh +++ b/t/t7800-difftool.sh @@ -1,6 +1,6 @@ #!/bin/sh # -# Copyright (c) 2009, 2010 David Aguilar +# Copyright (c) 2009, 2010, 2012, 2013 David Aguilar # test_description='git-difftool @@ -10,43 +10,25 @@ Testing basic diff tool invocation . ./test-lib.sh -remove_config_vars() +difftool_test_setup () { - # Unset all config variables used by git-difftool - git config --unset diff.tool - git config --unset diff.guitool - git config --unset difftool.test-tool.cmd - git config --unset difftool.prompt - git config --unset merge.tool - git config --unset mergetool.test-tool.cmd - git config --unset mergetool.prompt - return 0 + test_config diff.tool test-tool && + test_config difftool.test-tool.cmd 'cat "$LOCAL"' && + test_config difftool.bogus-tool.cmd false } -restore_test_defaults() -{ - # Restores the test defaults used by several tests - remove_config_vars - unset GIT_DIFF_TOOL - unset GIT_DIFFTOOL_PROMPT - unset GIT_DIFFTOOL_NO_PROMPT - git config diff.tool test-tool && - git config difftool.test-tool.cmd 'cat $LOCAL' - git config difftool.bogus-tool.cmd false -} - -prompt_given() +prompt_given () { prompt="$1" test "$prompt" = "Launch 'test-tool' [Y/n]: branch" } -stdin_contains() +stdin_contains () { grep >/dev/null "$1" } -stdin_doesnot_contain() +stdin_doesnot_contain () { ! stdin_contains "$1" } @@ -65,249 +47,237 @@ test_expect_success PERL 'setup' ' # Configure a custom difftool.<tool>.cmd and use it test_expect_success PERL 'custom commands' ' - restore_test_defaults && - git config difftool.test-tool.cmd "cat \$REMOTE" && + difftool_test_setup && + test_config difftool.test-tool.cmd "cat \"\$REMOTE\"" && + echo master >expect && + git difftool --no-prompt branch >actual && + test_cmp expect actual && - diff=$(git difftool --no-prompt branch) && - test "$diff" = "master" && - - restore_test_defaults && - diff=$(git difftool --no-prompt branch) && - test "$diff" = "branch" + test_config difftool.test-tool.cmd "cat \"\$LOCAL\"" && + echo branch >expect && + git difftool --no-prompt branch >actual && + test_cmp expect actual ' -# Ensures that a custom difftool.<tool>.cmd overrides built-ins -test_expect_success PERL 'custom commands override built-ins' ' - restore_test_defaults && - git config difftool.defaults.cmd "cat \$REMOTE" && - - diff=$(git difftool --tool defaults --no-prompt branch) && - test "$diff" = "master" && - - git config --unset difftool.defaults.cmd +test_expect_success PERL 'custom tool commands override built-ins' ' + test_config difftool.vimdiff.cmd "cat \"\$REMOTE\"" && + echo master >expect && + git difftool --tool vimdiff --no-prompt branch >actual && + test_cmp expect actual ' -# Ensures that git-difftool ignores bogus --tool values test_expect_success PERL 'difftool ignores bad --tool values' ' - diff=$(git difftool --no-prompt --tool=bad-tool branch) - test "$?" = 1 && - test "$diff" = "" + : >expect && + test_expect_code 1 \ + git difftool --no-prompt --tool=bad-tool branch >actual && + test_cmp expect actual ' test_expect_success PERL 'difftool forwards arguments to diff' ' + difftool_test_setup && >for-diff && git add for-diff && echo changes>for-diff && git add for-diff && - diff=$(git difftool --cached --no-prompt -- for-diff) && - test "$diff" = "" && + : >expect && + git difftool --cached --no-prompt -- for-diff >actual && + test_cmp expect actual && git reset -- for-diff && rm for-diff ' test_expect_success PERL 'difftool honors --gui' ' - git config merge.tool bogus-tool && - git config diff.tool bogus-tool && - git config diff.guitool test-tool && - - diff=$(git difftool --no-prompt --gui branch) && - test "$diff" = "branch" && + difftool_test_setup && + test_config merge.tool bogus-tool && + test_config diff.tool bogus-tool && + test_config diff.guitool test-tool && - restore_test_defaults + echo branch >expect && + git difftool --no-prompt --gui branch >actual && + test_cmp expect actual ' test_expect_success PERL 'difftool --gui last setting wins' ' - git config diff.guitool bogus-tool && - git difftool --no-prompt --gui --no-gui && + difftool_test_setup && + : >expect && + git difftool --no-prompt --gui --no-gui >actual && + test_cmp expect actual && - git config merge.tool bogus-tool && - git config diff.tool bogus-tool && - git config diff.guitool test-tool && - diff=$(git difftool --no-prompt --no-gui --gui branch) && - test "$diff" = "branch" && - - restore_test_defaults + test_config merge.tool bogus-tool && + test_config diff.tool bogus-tool && + test_config diff.guitool test-tool && + echo branch >expect && + git difftool --no-prompt --no-gui --gui branch >actual && + test_cmp expect actual ' test_expect_success PERL 'difftool --gui works without configured diff.guitool' ' - git config diff.tool test-tool && - - diff=$(git difftool --no-prompt --gui branch) && - test "$diff" = "branch" && - - restore_test_defaults + difftool_test_setup && + echo branch >expect && + git difftool --no-prompt --gui branch >actual && + test_cmp expect actual ' # Specify the diff tool using $GIT_DIFF_TOOL test_expect_success PERL 'GIT_DIFF_TOOL variable' ' - test_might_fail git config --unset diff.tool && - GIT_DIFF_TOOL=test-tool && - export GIT_DIFF_TOOL && - - diff=$(git difftool --no-prompt branch) && - test "$diff" = "branch" && - - restore_test_defaults + difftool_test_setup && + git config --unset diff.tool && + echo branch >expect && + GIT_DIFF_TOOL=test-tool git difftool --no-prompt branch >actual && + test_cmp expect actual ' # Test the $GIT_*_TOOL variables and ensure # that $GIT_DIFF_TOOL always wins unless --tool is specified test_expect_success PERL 'GIT_DIFF_TOOL overrides' ' - git config diff.tool bogus-tool && - git config merge.tool bogus-tool && - - GIT_DIFF_TOOL=test-tool && - export GIT_DIFF_TOOL && - - diff=$(git difftool --no-prompt branch) && - test "$diff" = "branch" && + difftool_test_setup && + test_config diff.tool bogus-tool && + test_config merge.tool bogus-tool && - GIT_DIFF_TOOL=bogus-tool && - export GIT_DIFF_TOOL && + echo branch >expect && + GIT_DIFF_TOOL=test-tool git difftool --no-prompt branch >actual && + test_cmp expect actual && - diff=$(git difftool --no-prompt --tool=test-tool branch) && - test "$diff" = "branch" && - - restore_test_defaults + test_config diff.tool bogus-tool && + test_config merge.tool bogus-tool && + GIT_DIFF_TOOL=bogus-tool \ + git difftool --no-prompt --tool=test-tool branch >actual && + test_cmp expect actual ' # Test that we don't have to pass --no-prompt to difftool # when $GIT_DIFFTOOL_NO_PROMPT is true test_expect_success PERL 'GIT_DIFFTOOL_NO_PROMPT variable' ' - GIT_DIFFTOOL_NO_PROMPT=true && - export GIT_DIFFTOOL_NO_PROMPT && - - diff=$(git difftool branch) && - test "$diff" = "branch" && - - restore_test_defaults + difftool_test_setup && + echo branch >expect && + GIT_DIFFTOOL_NO_PROMPT=true git difftool branch >actual && + test_cmp expect actual ' # git-difftool supports the difftool.prompt variable. # Test that GIT_DIFFTOOL_PROMPT can override difftool.prompt = false test_expect_success PERL 'GIT_DIFFTOOL_PROMPT variable' ' - git config difftool.prompt false && - GIT_DIFFTOOL_PROMPT=true && - export GIT_DIFFTOOL_PROMPT && - - prompt=$(echo | git difftool branch | tail -1) && - prompt_given "$prompt" && - - restore_test_defaults + difftool_test_setup && + test_config difftool.prompt false && + echo >input && + GIT_DIFFTOOL_PROMPT=true git difftool branch <input >output && + prompt=$(tail -1 <output) && + prompt_given "$prompt" ' # Test that we don't have to pass --no-prompt when difftool.prompt is false test_expect_success PERL 'difftool.prompt config variable is false' ' - git config difftool.prompt false && - - diff=$(git difftool branch) && - test "$diff" = "branch" && - - restore_test_defaults + difftool_test_setup && + test_config difftool.prompt false && + echo branch >expect && + git difftool branch >actual && + test_cmp expect actual ' # Test that we don't have to pass --no-prompt when mergetool.prompt is false test_expect_success PERL 'difftool merge.prompt = false' ' + difftool_test_setup && test_might_fail git config --unset difftool.prompt && - git config mergetool.prompt false && - - diff=$(git difftool branch) && - test "$diff" = "branch" && - - restore_test_defaults + test_config mergetool.prompt false && + echo branch >expect && + git difftool branch >actual && + test_cmp expect actual ' # Test that the -y flag can override difftool.prompt = true test_expect_success PERL 'difftool.prompt can overridden with -y' ' - git config difftool.prompt true && - - diff=$(git difftool -y branch) && - test "$diff" = "branch" && - - restore_test_defaults + difftool_test_setup && + test_config difftool.prompt true && + echo branch >expect && + git difftool -y branch >actual && + test_cmp expect actual ' # Test that the --prompt flag can override difftool.prompt = false test_expect_success PERL 'difftool.prompt can overridden with --prompt' ' - git config difftool.prompt false && - - prompt=$(echo | git difftool --prompt branch | tail -1) && - prompt_given "$prompt" && - - restore_test_defaults + difftool_test_setup && + test_config difftool.prompt false && + echo >input && + git difftool --prompt branch <input >output && + prompt=$(tail -1 <output) && + prompt_given "$prompt" ' # Test that the last flag passed on the command-line wins test_expect_success PERL 'difftool last flag wins' ' - diff=$(git difftool --prompt --no-prompt branch) && - test "$diff" = "branch" && - - restore_test_defaults && - - prompt=$(echo | git difftool --no-prompt --prompt branch | tail -1) && - prompt_given "$prompt" && - - restore_test_defaults + difftool_test_setup && + echo branch >expect && + git difftool --prompt --no-prompt branch >actual && + test_cmp expect actual && + echo >input && + git difftool --no-prompt --prompt branch <input >output && + prompt=$(tail -1 <output) && + prompt_given "$prompt" ' # git-difftool falls back to git-mergetool config variables # so test that behavior here test_expect_success PERL 'difftool + mergetool config variables' ' - remove_config_vars && - git config merge.tool test-tool && - git config mergetool.test-tool.cmd "cat \$LOCAL" && - - diff=$(git difftool --no-prompt branch) && - test "$diff" = "branch" && + test_config merge.tool test-tool && + test_config mergetool.test-tool.cmd "cat \$LOCAL" && + echo branch >expect && + git difftool --no-prompt branch >actual && + test_cmp expect actual && # set merge.tool to something bogus, diff.tool to test-tool - git config merge.tool bogus-tool && - git config diff.tool test-tool && - - diff=$(git difftool --no-prompt branch) && - test "$diff" = "branch" && - - restore_test_defaults + test_config merge.tool bogus-tool && + test_config diff.tool test-tool && + git difftool --no-prompt branch >actual && + test_cmp expect actual ' test_expect_success PERL 'difftool.<tool>.path' ' - git config difftool.tkdiff.path echo && - diff=$(git difftool --tool=tkdiff --no-prompt branch) && - git config --unset difftool.tkdiff.path && - lines=$(echo "$diff" | grep file | wc -l) && - test "$lines" -eq 1 && - - restore_test_defaults + test_config difftool.tkdiff.path echo && + git difftool --tool=tkdiff --no-prompt branch >output && + lines=$(grep file output | wc -l) && + test "$lines" -eq 1 ' test_expect_success PERL 'difftool --extcmd=cat' ' - diff=$(git difftool --no-prompt --extcmd=cat branch) && - test "$diff" = branch"$LF"master + echo branch >expect && + echo master >>expect && + git difftool --no-prompt --extcmd=cat branch >actual && + test_cmp expect actual ' test_expect_success PERL 'difftool --extcmd cat' ' - diff=$(git difftool --no-prompt --extcmd cat branch) && - test "$diff" = branch"$LF"master + echo branch >expect && + echo master >>expect && + git difftool --no-prompt --extcmd=cat branch >actual && + test_cmp expect actual ' test_expect_success PERL 'difftool -x cat' ' - diff=$(git difftool --no-prompt -x cat branch) && - test "$diff" = branch"$LF"master + echo branch >expect && + echo master >>expect && + git difftool --no-prompt -x cat branch >actual && + test_cmp expect actual ' test_expect_success PERL 'difftool --extcmd echo arg1' ' - diff=$(git difftool --no-prompt --extcmd sh\ -c\ \"echo\ \$1\" branch) && - test "$diff" = file + echo file >expect && + git difftool --no-prompt \ + --extcmd sh\ -c\ \"echo\ \$1\" branch >actual && + test_cmp expect actual ' test_expect_success PERL 'difftool --extcmd cat arg1' ' - diff=$(git difftool --no-prompt --extcmd sh\ -c\ \"cat\ \$1\" branch) && - test "$diff" = master + echo master >expect && + git difftool --no-prompt \ + --extcmd sh\ -c\ \"cat\ \$1\" branch >actual && + test_cmp expect actual ' test_expect_success PERL 'difftool --extcmd cat arg2' ' - diff=$(git difftool --no-prompt --extcmd sh\ -c\ \"cat\ \$2\" branch) && - test "$diff" = branch + echo branch >expect && + git difftool --no-prompt \ + --extcmd sh\ -c\ \"cat\ \$2\" branch >actual && + test_cmp expect actual ' # Create a second file on master and a different version on branch @@ -324,26 +294,26 @@ test_expect_success PERL 'setup with 2 files different' ' ' test_expect_success PERL 'say no to the first file' ' - diff=$( (echo n; echo) | git difftool -x cat branch ) && - - echo "$diff" | stdin_contains m2 && - echo "$diff" | stdin_contains br2 && - echo "$diff" | stdin_doesnot_contain master && - echo "$diff" | stdin_doesnot_contain branch + (echo n && echo) >input && + git difftool -x cat branch <input >output && + stdin_contains m2 <output && + stdin_contains br2 <output && + stdin_doesnot_contain master <output && + stdin_doesnot_contain branch <output ' test_expect_success PERL 'say no to the second file' ' - diff=$( (echo; echo n) | git difftool -x cat branch ) && - - echo "$diff" | stdin_contains master && - echo "$diff" | stdin_contains branch && - echo "$diff" | stdin_doesnot_contain m2 && - echo "$diff" | stdin_doesnot_contain br2 + (echo && echo n) >input && + git difftool -x cat branch <input >output && + stdin_contains master <output && + stdin_contains branch <output && + stdin_doesnot_contain m2 <output && + stdin_doesnot_contain br2 <output ' test_expect_success PERL 'difftool --tool-help' ' - tool_help=$(git difftool --tool-help) && - echo "$tool_help" | stdin_contains tool + git difftool --tool-help >output && + stdin_contains tool <output ' test_expect_success PERL 'setup change in subdirectory' ' @@ -359,29 +329,29 @@ test_expect_success PERL 'setup change in subdirectory' ' ' test_expect_success PERL 'difftool -d' ' - diff=$(git difftool -d --extcmd ls branch) && - echo "$diff" | stdin_contains sub && - echo "$diff" | stdin_contains file + git difftool -d --extcmd ls branch >output && + stdin_contains sub <output && + stdin_contains file <output ' test_expect_success PERL 'difftool --dir-diff' ' - diff=$(git difftool --dir-diff --extcmd ls branch) && - echo "$diff" | stdin_contains sub && - echo "$diff" | stdin_contains file + git difftool --dir-diff --extcmd ls branch >output && + stdin_contains sub <output && + stdin_contains file <output ' test_expect_success PERL 'difftool --dir-diff ignores --prompt' ' - diff=$(git difftool --dir-diff --prompt --extcmd ls branch) && - echo "$diff" | stdin_contains sub && - echo "$diff" | stdin_contains file + git difftool --dir-diff --prompt --extcmd ls branch >output && + stdin_contains sub <output && + stdin_contains file <output ' test_expect_success PERL 'difftool --dir-diff from subdirectory' ' ( cd sub && - diff=$(git difftool --dir-diff --extcmd ls branch) && - echo "$diff" | stdin_contains sub && - echo "$diff" | stdin_contains file + git difftool --dir-diff --extcmd ls branch >output && + stdin_contains sub <output && + stdin_contains file <output ) ' |