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https://github.com/git/git.git
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f895dd7422
"git difftool" learned to handle unmerged paths correctly in dir-diff mode. * da/difftool: difftool: handle unmerged files in dir-diff mode difftool: initialize variables for readability
550 lines
15 KiB
Bash
Executable File
550 lines
15 KiB
Bash
Executable File
#!/bin/sh
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#
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# Copyright (c) 2009, 2010, 2012, 2013 David Aguilar
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#
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test_description='git-difftool
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Testing basic diff tool invocation
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'
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. ./test-lib.sh
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difftool_test_setup ()
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{
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test_config diff.tool test-tool &&
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test_config difftool.test-tool.cmd 'cat "$LOCAL"' &&
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test_config difftool.bogus-tool.cmd false
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}
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prompt_given ()
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{
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prompt="$1"
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test "$prompt" = "Launch 'test-tool' [Y/n]? branch"
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}
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# Create a file on master and change it on branch
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test_expect_success PERL 'setup' '
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echo master >file &&
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git add file &&
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git commit -m "added file" &&
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git checkout -b branch master &&
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echo branch >file &&
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git commit -a -m "branch changed file" &&
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git checkout master
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'
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# Configure a custom difftool.<tool>.cmd and use it
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test_expect_success PERL 'custom commands' '
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difftool_test_setup &&
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test_config difftool.test-tool.cmd "cat \"\$REMOTE\"" &&
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echo master >expect &&
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git difftool --no-prompt branch >actual &&
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test_cmp expect actual &&
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test_config difftool.test-tool.cmd "cat \"\$LOCAL\"" &&
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echo branch >expect &&
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git difftool --no-prompt branch >actual &&
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test_cmp expect actual
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'
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test_expect_success PERL 'custom tool commands override built-ins' '
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test_config difftool.vimdiff.cmd "cat \"\$REMOTE\"" &&
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echo master >expect &&
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git difftool --tool vimdiff --no-prompt branch >actual &&
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test_cmp expect actual
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'
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test_expect_success PERL 'difftool ignores bad --tool values' '
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: >expect &&
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test_must_fail \
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git difftool --no-prompt --tool=bad-tool branch >actual &&
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test_cmp expect actual
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'
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test_expect_success PERL 'difftool forwards arguments to diff' '
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difftool_test_setup &&
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>for-diff &&
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git add for-diff &&
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echo changes>for-diff &&
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git add for-diff &&
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: >expect &&
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git difftool --cached --no-prompt -- for-diff >actual &&
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test_cmp expect actual &&
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git reset -- for-diff &&
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rm for-diff
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'
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test_expect_success PERL 'difftool ignores exit code' '
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test_config difftool.error.cmd false &&
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git difftool -y -t error branch
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'
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test_expect_success PERL 'difftool forwards exit code with --trust-exit-code' '
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test_config difftool.error.cmd false &&
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test_must_fail git difftool -y --trust-exit-code -t error branch
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'
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test_expect_success PERL 'difftool forwards exit code with --trust-exit-code for built-ins' '
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test_config difftool.vimdiff.path false &&
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test_must_fail git difftool -y --trust-exit-code -t vimdiff branch
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'
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test_expect_success PERL 'difftool honors difftool.trustExitCode = true' '
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test_config difftool.error.cmd false &&
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test_config difftool.trustExitCode true &&
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test_must_fail git difftool -y -t error branch
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'
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test_expect_success PERL 'difftool honors difftool.trustExitCode = false' '
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test_config difftool.error.cmd false &&
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test_config difftool.trustExitCode false &&
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git difftool -y -t error branch
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'
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test_expect_success PERL 'difftool ignores exit code with --no-trust-exit-code' '
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test_config difftool.error.cmd false &&
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test_config difftool.trustExitCode true &&
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git difftool -y --no-trust-exit-code -t error branch
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'
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test_expect_success PERL 'difftool stops on error with --trust-exit-code' '
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test_when_finished "rm -f for-diff .git/fail-right-file" &&
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test_when_finished "git reset -- for-diff" &&
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write_script .git/fail-right-file <<-\EOF &&
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echo "$2"
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exit 1
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EOF
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>for-diff &&
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git add for-diff &&
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echo file >expect &&
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test_must_fail git difftool -y --trust-exit-code \
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--extcmd .git/fail-right-file branch >actual &&
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test_cmp expect actual
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'
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test_expect_success PERL 'difftool honors --gui' '
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difftool_test_setup &&
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test_config merge.tool bogus-tool &&
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test_config diff.tool bogus-tool &&
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test_config diff.guitool test-tool &&
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echo branch >expect &&
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git difftool --no-prompt --gui branch >actual &&
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test_cmp expect actual
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'
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test_expect_success PERL 'difftool --gui last setting wins' '
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difftool_test_setup &&
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: >expect &&
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git difftool --no-prompt --gui --no-gui >actual &&
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test_cmp expect actual &&
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test_config merge.tool bogus-tool &&
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test_config diff.tool bogus-tool &&
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test_config diff.guitool test-tool &&
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echo branch >expect &&
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git difftool --no-prompt --no-gui --gui branch >actual &&
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test_cmp expect actual
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'
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test_expect_success PERL 'difftool --gui works without configured diff.guitool' '
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difftool_test_setup &&
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echo branch >expect &&
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git difftool --no-prompt --gui branch >actual &&
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test_cmp expect actual
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'
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# Specify the diff tool using $GIT_DIFF_TOOL
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test_expect_success PERL 'GIT_DIFF_TOOL variable' '
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difftool_test_setup &&
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git config --unset diff.tool &&
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echo branch >expect &&
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GIT_DIFF_TOOL=test-tool git difftool --no-prompt branch >actual &&
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test_cmp expect actual
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'
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# Test the $GIT_*_TOOL variables and ensure
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# that $GIT_DIFF_TOOL always wins unless --tool is specified
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test_expect_success PERL 'GIT_DIFF_TOOL overrides' '
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difftool_test_setup &&
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test_config diff.tool bogus-tool &&
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test_config merge.tool bogus-tool &&
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echo branch >expect &&
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GIT_DIFF_TOOL=test-tool git difftool --no-prompt branch >actual &&
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test_cmp expect actual &&
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test_config diff.tool bogus-tool &&
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test_config merge.tool bogus-tool &&
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GIT_DIFF_TOOL=bogus-tool \
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git difftool --no-prompt --tool=test-tool branch >actual &&
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test_cmp expect actual
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'
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# Test that we don't have to pass --no-prompt to difftool
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# when $GIT_DIFFTOOL_NO_PROMPT is true
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test_expect_success PERL 'GIT_DIFFTOOL_NO_PROMPT variable' '
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difftool_test_setup &&
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echo branch >expect &&
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GIT_DIFFTOOL_NO_PROMPT=true git difftool branch >actual &&
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test_cmp expect actual
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'
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# git-difftool supports the difftool.prompt variable.
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# Test that GIT_DIFFTOOL_PROMPT can override difftool.prompt = false
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test_expect_success PERL 'GIT_DIFFTOOL_PROMPT variable' '
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difftool_test_setup &&
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test_config difftool.prompt false &&
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echo >input &&
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GIT_DIFFTOOL_PROMPT=true git difftool branch <input >output &&
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prompt=$(tail -1 <output) &&
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prompt_given "$prompt"
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'
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# Test that we don't have to pass --no-prompt when difftool.prompt is false
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test_expect_success PERL 'difftool.prompt config variable is false' '
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difftool_test_setup &&
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test_config difftool.prompt false &&
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echo branch >expect &&
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git difftool branch >actual &&
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test_cmp expect actual
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'
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# Test that we don't have to pass --no-prompt when mergetool.prompt is false
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test_expect_success PERL 'difftool merge.prompt = false' '
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difftool_test_setup &&
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test_might_fail git config --unset difftool.prompt &&
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test_config mergetool.prompt false &&
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echo branch >expect &&
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git difftool branch >actual &&
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test_cmp expect actual
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'
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# Test that the -y flag can override difftool.prompt = true
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test_expect_success PERL 'difftool.prompt can overridden with -y' '
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difftool_test_setup &&
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test_config difftool.prompt true &&
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echo branch >expect &&
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git difftool -y branch >actual &&
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test_cmp expect actual
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'
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# Test that the --prompt flag can override difftool.prompt = false
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test_expect_success PERL 'difftool.prompt can overridden with --prompt' '
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difftool_test_setup &&
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test_config difftool.prompt false &&
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echo >input &&
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git difftool --prompt branch <input >output &&
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prompt=$(tail -1 <output) &&
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prompt_given "$prompt"
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'
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# Test that the last flag passed on the command-line wins
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test_expect_success PERL 'difftool last flag wins' '
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difftool_test_setup &&
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echo branch >expect &&
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git difftool --prompt --no-prompt branch >actual &&
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test_cmp expect actual &&
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echo >input &&
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git difftool --no-prompt --prompt branch <input >output &&
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prompt=$(tail -1 <output) &&
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prompt_given "$prompt"
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'
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# git-difftool falls back to git-mergetool config variables
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# so test that behavior here
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test_expect_success PERL 'difftool + mergetool config variables' '
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test_config merge.tool test-tool &&
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test_config mergetool.test-tool.cmd "cat \$LOCAL" &&
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echo branch >expect &&
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git difftool --no-prompt branch >actual &&
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test_cmp expect actual &&
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# set merge.tool to something bogus, diff.tool to test-tool
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test_config merge.tool bogus-tool &&
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test_config diff.tool test-tool &&
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git difftool --no-prompt branch >actual &&
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test_cmp expect actual
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'
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test_expect_success PERL 'difftool.<tool>.path' '
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test_config difftool.tkdiff.path echo &&
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git difftool --tool=tkdiff --no-prompt branch >output &&
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lines=$(grep file output | wc -l) &&
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test "$lines" -eq 1
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'
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test_expect_success PERL 'difftool --extcmd=cat' '
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echo branch >expect &&
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echo master >>expect &&
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git difftool --no-prompt --extcmd=cat branch >actual &&
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test_cmp expect actual
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'
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test_expect_success PERL 'difftool --extcmd cat' '
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echo branch >expect &&
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echo master >>expect &&
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git difftool --no-prompt --extcmd=cat branch >actual &&
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test_cmp expect actual
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'
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test_expect_success PERL 'difftool -x cat' '
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echo branch >expect &&
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echo master >>expect &&
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git difftool --no-prompt -x cat branch >actual &&
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test_cmp expect actual
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'
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test_expect_success PERL 'difftool --extcmd echo arg1' '
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echo file >expect &&
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git difftool --no-prompt \
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--extcmd sh\ -c\ \"echo\ \$1\" branch >actual &&
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test_cmp expect actual
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'
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test_expect_success PERL 'difftool --extcmd cat arg1' '
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echo master >expect &&
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git difftool --no-prompt \
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--extcmd sh\ -c\ \"cat\ \$1\" branch >actual &&
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test_cmp expect actual
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'
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test_expect_success PERL 'difftool --extcmd cat arg2' '
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echo branch >expect &&
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git difftool --no-prompt \
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--extcmd sh\ -c\ \"cat\ \$2\" branch >actual &&
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test_cmp expect actual
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'
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# Create a second file on master and a different version on branch
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test_expect_success PERL 'setup with 2 files different' '
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echo m2 >file2 &&
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git add file2 &&
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git commit -m "added file2" &&
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git checkout branch &&
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echo br2 >file2 &&
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git add file2 &&
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git commit -a -m "branch changed file2" &&
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git checkout master
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'
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test_expect_success PERL 'say no to the first file' '
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(echo n && echo) >input &&
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git difftool -x cat branch <input >output &&
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grep m2 output &&
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grep br2 output &&
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! grep master output &&
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! grep branch output
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'
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test_expect_success PERL 'say no to the second file' '
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(echo && echo n) >input &&
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git difftool -x cat branch <input >output &&
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grep master output &&
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grep branch output &&
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! grep m2 output &&
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! grep br2 output
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'
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test_expect_success PERL 'ending prompt input with EOF' '
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git difftool -x cat branch </dev/null >output &&
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! grep master output &&
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! grep branch output &&
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! grep m2 output &&
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! grep br2 output
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'
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test_expect_success PERL 'difftool --tool-help' '
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git difftool --tool-help >output &&
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grep tool output
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'
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test_expect_success PERL 'setup change in subdirectory' '
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git checkout master &&
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mkdir sub &&
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echo master >sub/sub &&
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git add sub/sub &&
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git commit -m "added sub/sub" &&
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echo test >>file &&
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echo test >>sub/sub &&
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git add file sub/sub &&
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git commit -m "modified both"
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'
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run_dir_diff_test () {
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test_expect_success PERL "$1 --no-symlinks" "
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symlinks=--no-symlinks &&
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$2
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"
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test_expect_success PERL,SYMLINKS "$1 --symlinks" "
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symlinks=--symlinks &&
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$2
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"
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}
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run_dir_diff_test 'difftool -d' '
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git difftool -d $symlinks --extcmd ls branch >output &&
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grep sub output &&
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grep file output
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'
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run_dir_diff_test 'difftool --dir-diff' '
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git difftool --dir-diff $symlinks --extcmd ls branch >output &&
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grep sub output &&
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grep file output
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'
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run_dir_diff_test 'difftool --dir-diff ignores --prompt' '
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git difftool --dir-diff $symlinks --prompt --extcmd ls branch >output &&
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grep sub output &&
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grep file output
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'
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run_dir_diff_test 'difftool --dir-diff from subdirectory' '
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(
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cd sub &&
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git difftool --dir-diff $symlinks --extcmd ls branch >output &&
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grep sub output &&
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grep file output
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)
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'
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run_dir_diff_test 'difftool --dir-diff when worktree file is missing' '
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test_when_finished git reset --hard &&
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rm file2 &&
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git difftool --dir-diff $symlinks --extcmd ls branch master >output &&
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grep file2 output
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'
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run_dir_diff_test 'difftool --dir-diff with unmerged files' '
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test_when_finished git reset --hard &&
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test_config difftool.echo.cmd "echo ok" &&
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git checkout -B conflict-a &&
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git checkout -B conflict-b &&
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git checkout conflict-a &&
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echo a >>file &&
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git add file &&
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git commit -m conflict-a &&
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git checkout conflict-b &&
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echo b >>file &&
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git add file &&
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git commit -m conflict-b &&
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git checkout master &&
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git merge conflict-a &&
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test_must_fail git merge conflict-b &&
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cat >expect <<-EOF &&
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ok
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EOF
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git difftool --dir-diff $symlinks -t echo >actual &&
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test_cmp expect actual
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'
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write_script .git/CHECK_SYMLINKS <<\EOF
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for f in file file2 sub/sub
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do
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echo "$f"
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readlink "$2/$f"
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done >actual
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EOF
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test_expect_success PERL,SYMLINKS 'difftool --dir-diff --symlink without unstaged changes' '
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cat >expect <<-EOF &&
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file
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$PWD/file
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file2
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$PWD/file2
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sub/sub
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$PWD/sub/sub
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EOF
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git difftool --dir-diff --symlink \
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--extcmd "./.git/CHECK_SYMLINKS" branch HEAD &&
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test_cmp actual expect
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'
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write_script modify-right-file <<\EOF
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echo "new content" >"$2/file"
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EOF
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run_dir_diff_test 'difftool --dir-diff syncs worktree with unstaged change' '
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test_when_finished git reset --hard &&
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echo "orig content" >file &&
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git difftool -d $symlinks --extcmd "$PWD/modify-right-file" branch &&
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echo "new content" >expect &&
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test_cmp expect file
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'
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run_dir_diff_test 'difftool --dir-diff syncs worktree without unstaged change' '
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test_when_finished git reset --hard &&
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git difftool -d $symlinks --extcmd "$PWD/modify-right-file" branch &&
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echo "new content" >expect &&
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test_cmp expect file
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'
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write_script modify-file <<\EOF
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echo "new content" >file
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EOF
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test_expect_success PERL 'difftool --no-symlinks does not overwrite working tree file ' '
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echo "orig content" >file &&
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git difftool --dir-diff --no-symlinks --extcmd "$PWD/modify-file" branch &&
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echo "new content" >expect &&
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test_cmp expect file
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'
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write_script modify-both-files <<\EOF
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echo "wt content" >file &&
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echo "tmp content" >"$2/file" &&
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echo "$2" >tmpdir
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EOF
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test_expect_success PERL 'difftool --no-symlinks detects conflict ' '
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(
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TMPDIR=$TRASH_DIRECTORY &&
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export TMPDIR &&
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echo "orig content" >file &&
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test_must_fail git difftool --dir-diff --no-symlinks --extcmd "$PWD/modify-both-files" branch &&
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echo "wt content" >expect &&
|
|
test_cmp expect file &&
|
|
echo "tmp content" >expect &&
|
|
test_cmp expect "$(cat tmpdir)/file"
|
|
)
|
|
'
|
|
|
|
test_expect_success PERL 'difftool properly honors gitlink and core.worktree' '
|
|
git submodule add ./. submod/ule &&
|
|
test_config -C submod/ule diff.tool checktrees &&
|
|
test_config -C submod/ule difftool.checktrees.cmd '\''
|
|
test -d "$LOCAL" && test -d "$REMOTE" && echo good
|
|
'\'' &&
|
|
(
|
|
cd submod/ule &&
|
|
echo good >expect &&
|
|
git difftool --tool=checktrees --dir-diff HEAD~ >actual &&
|
|
test_cmp expect actual
|
|
)
|
|
'
|
|
|
|
test_expect_success PERL,SYMLINKS 'difftool --dir-diff symlinked directories' '
|
|
git init dirlinks &&
|
|
(
|
|
cd dirlinks &&
|
|
git config diff.tool checktrees &&
|
|
git config difftool.checktrees.cmd "echo good" &&
|
|
mkdir foo &&
|
|
: >foo/bar &&
|
|
git add foo/bar &&
|
|
test_commit symlink-one &&
|
|
ln -s foo link &&
|
|
git add link &&
|
|
test_commit symlink-two &&
|
|
echo good >expect &&
|
|
git difftool --tool=checktrees --dir-diff HEAD~ >actual &&
|
|
test_cmp expect actual
|
|
)
|
|
'
|
|
|
|
test_done
|