20de316e33
As far as this developer can tell, the conversion from a Perl script to a built-in caused the regression in the difftool that it no longer runs outside of a Git worktree (with `--no-index`, of course). It is a bit embarrassing that it took over two years after retiring the Perl version to discover this regression, but at least we now know, and can do something, about it. This fixes https://github.com/git-for-windows/git/issues/2123 Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
719 lines
19 KiB
Bash
Executable File
719 lines
19 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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test_expect_success 'basic usage requires no repo' '
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test_expect_code 129 git difftool -h >output &&
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test_i18ngrep ^usage: output &&
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# create a ceiling directory to prevent Git from finding a repo
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mkdir -p not/repo &&
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test_when_finished rm -r not &&
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test_expect_code 129 \
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env GIT_CEILING_DIRECTORIES="$(pwd)/not" \
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git -C not/repo difftool -h >output &&
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test_i18ngrep ^usage: output
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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 '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 '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 '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 '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 '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 '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 '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 '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 '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 '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 '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 '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 'difftool honors exit status if command not found' '
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test_config difftool.nonexistent.cmd i-dont-exist &&
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test_config difftool.trustExitCode false &&
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test_must_fail git difftool -y -t nonexistent branch
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'
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test_expect_success '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 '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 '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 '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 '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 $GIT_DIFFTOOL_NO_PROMPT is true
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test_expect_success 'GIT_DIFFTOOL_NO_PROMPT variable' '
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difftool_test_setup &&
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echo branch >expect &&
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GIT_DIFFTOOL_NO_PROMPT=true git difftool branch >actual &&
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test_cmp expect actual
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'
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# git-difftool supports the difftool.prompt variable.
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# Test that GIT_DIFFTOOL_PROMPT can override difftool.prompt = false
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test_expect_success 'GIT_DIFFTOOL_PROMPT variable' '
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difftool_test_setup &&
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test_config difftool.prompt false &&
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echo >input &&
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GIT_DIFFTOOL_PROMPT=true git difftool branch <input >output &&
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prompt=$(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 '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 '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 '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 '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 "$prompt"
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'
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# Test that the last flag passed on the command-line wins
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test_expect_success 'difftool last flag wins' '
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difftool_test_setup &&
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echo branch >expect &&
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git difftool --prompt --no-prompt branch >actual &&
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test_cmp expect actual &&
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echo >input &&
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git difftool --no-prompt --prompt branch <input >output &&
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prompt=$(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 '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 '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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grep file output >grep-output &&
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test_line_count = 1 grep-output
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'
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test_expect_success '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 '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 '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 '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 '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 '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 '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 '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 '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 '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 '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 '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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git tag v1 &&
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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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test_expect_success 'difftool -d with growing paths' '
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a=aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa &&
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git init growing &&
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(
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cd growing &&
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echo "test -f \"\$2/b\"" | write_script .git/test-for-b.sh &&
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one=$(printf 1 | git hash-object -w --stdin) &&
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two=$(printf 2 | git hash-object -w --stdin) &&
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git update-index --add \
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--cacheinfo 100644,$one,$a --cacheinfo 100644,$two,b &&
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tree1=$(git write-tree) &&
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git update-index --add \
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--cacheinfo 100644,$two,$a --cacheinfo 100644,$one,b &&
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tree2=$(git write-tree) &&
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git checkout -- $a &&
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git difftool -d --extcmd .git/test-for-b.sh $tree1 $tree2
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)
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'
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run_dir_diff_test () {
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test_expect_success "$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 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 branch from subdirectory' '
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(
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cd sub &&
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git difftool --dir-diff $symlinks --extcmd ls branch >output &&
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# "sub" must only exist in "right"
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# "file" and "file2" must be listed in both "left" and "right"
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grep sub output >sub-output &&
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test_line_count = 1 sub-output &&
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grep file"$" output >file-output &&
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test_line_count = 2 file-output &&
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grep file2 output >file2-output &&
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test_line_count = 2 file2-output
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)
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'
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run_dir_diff_test 'difftool --dir-diff v1 from subdirectory' '
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(
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cd sub &&
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git difftool --dir-diff $symlinks --extcmd ls v1 >output &&
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# "sub" and "file" exist in both v1 and HEAD.
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# "file2" is unchanged.
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grep sub output >sub-output &&
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test_line_count = 2 sub-output &&
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grep file output >file-output &&
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test_line_count = 2 file-output &&
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! grep file2 output
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)
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'
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run_dir_diff_test 'difftool --dir-diff branch from subdirectory w/ pathspec' '
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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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# "sub" only exists in "right"
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# "file" and "file2" must not be listed
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grep sub output >sub-output &&
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test_line_count = 1 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 v1 from subdirectory w/ pathspec' '
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(
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cd sub &&
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git difftool --dir-diff $symlinks --extcmd ls v1 -- .>output &&
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# "sub" exists in v1 and HEAD
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# "file" is filtered out by the pathspec
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grep sub output >sub-output &&
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test_line_count = 2 sub-output &&
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! grep file output
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)
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'
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run_dir_diff_test 'difftool --dir-diff from subdirectory with GIT_DIR set' '
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(
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GIT_DIR=$(pwd)/.git &&
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export GIT_DIR &&
|
|
GIT_WORK_TREE=$(pwd) &&
|
|
export GIT_WORK_TREE &&
|
|
cd sub &&
|
|
git difftool --dir-diff $symlinks --extcmd ls \
|
|
branch -- sub >output &&
|
|
grep sub output &&
|
|
! grep file output
|
|
)
|
|
'
|
|
|
|
run_dir_diff_test 'difftool --dir-diff when worktree file is missing' '
|
|
test_when_finished git reset --hard &&
|
|
rm file2 &&
|
|
git difftool --dir-diff $symlinks --extcmd ls branch master >output &&
|
|
grep file2 output
|
|
'
|
|
|
|
run_dir_diff_test 'difftool --dir-diff with unmerged files' '
|
|
test_when_finished git reset --hard &&
|
|
test_config difftool.echo.cmd "echo ok" &&
|
|
git checkout -B conflict-a &&
|
|
git checkout -B conflict-b &&
|
|
git checkout conflict-a &&
|
|
echo a >>file &&
|
|
git add file &&
|
|
git commit -m conflict-a &&
|
|
git checkout conflict-b &&
|
|
echo b >>file &&
|
|
git add file &&
|
|
git commit -m conflict-b &&
|
|
git checkout master &&
|
|
git merge conflict-a &&
|
|
test_must_fail git merge conflict-b &&
|
|
cat >expect <<-EOF &&
|
|
ok
|
|
EOF
|
|
git difftool --dir-diff $symlinks -t echo >actual &&
|
|
test_cmp expect actual
|
|
'
|
|
|
|
write_script .git/CHECK_SYMLINKS <<\EOF
|
|
for f in file file2 sub/sub
|
|
do
|
|
echo "$f"
|
|
ls -ld "$2/$f" | sed -e 's/.* -> //'
|
|
done >actual
|
|
EOF
|
|
|
|
test_expect_success SYMLINKS 'difftool --dir-diff --symlinks without unstaged changes' '
|
|
cat >expect <<-EOF &&
|
|
file
|
|
$PWD/file
|
|
file2
|
|
$PWD/file2
|
|
sub/sub
|
|
$PWD/sub/sub
|
|
EOF
|
|
git difftool --dir-diff --symlinks \
|
|
--extcmd "./.git/CHECK_SYMLINKS" branch HEAD &&
|
|
test_cmp expect actual
|
|
'
|
|
|
|
write_script modify-right-file <<\EOF
|
|
echo "new content" >"$2/file"
|
|
EOF
|
|
|
|
run_dir_diff_test 'difftool --dir-diff syncs worktree with unstaged change' '
|
|
test_when_finished git reset --hard &&
|
|
echo "orig content" >file &&
|
|
git difftool -d $symlinks --extcmd "$PWD/modify-right-file" branch &&
|
|
echo "new content" >expect &&
|
|
test_cmp expect file
|
|
'
|
|
|
|
run_dir_diff_test 'difftool --dir-diff syncs worktree without unstaged change' '
|
|
test_when_finished git reset --hard &&
|
|
git difftool -d $symlinks --extcmd "$PWD/modify-right-file" branch &&
|
|
echo "new content" >expect &&
|
|
test_cmp expect file
|
|
'
|
|
|
|
write_script modify-file <<\EOF
|
|
echo "new content" >file
|
|
EOF
|
|
|
|
test_expect_success 'difftool --no-symlinks does not overwrite working tree file ' '
|
|
echo "orig content" >file &&
|
|
git difftool --dir-diff --no-symlinks --extcmd "$PWD/modify-file" branch &&
|
|
echo "new content" >expect &&
|
|
test_cmp expect file
|
|
'
|
|
|
|
write_script modify-both-files <<\EOF
|
|
echo "wt content" >file &&
|
|
echo "tmp content" >"$2/file" &&
|
|
echo "$2" >tmpdir
|
|
EOF
|
|
|
|
test_expect_success 'difftool --no-symlinks detects conflict ' '
|
|
(
|
|
TMPDIR=$TRASH_DIRECTORY &&
|
|
export TMPDIR &&
|
|
echo "orig content" >file &&
|
|
test_must_fail git difftool --dir-diff --no-symlinks --extcmd "$PWD/modify-both-files" branch &&
|
|
echo "wt content" >expect &&
|
|
test_cmp expect file &&
|
|
echo "tmp content" >expect &&
|
|
test_cmp expect "$(cat tmpdir)/file"
|
|
)
|
|
'
|
|
|
|
test_expect_success 'difftool properly honors gitlink and core.worktree' '
|
|
test_when_finished rm -rf submod/ule &&
|
|
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 &&
|
|
rm -f expect actual
|
|
)
|
|
'
|
|
|
|
test_expect_success SYMLINKS 'difftool --dir-diff symlinked directories' '
|
|
test_when_finished git reset --hard &&
|
|
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_expect_success SYMLINKS 'difftool --dir-diff handles modified symlinks' '
|
|
test_when_finished git reset --hard &&
|
|
touch b &&
|
|
ln -s b c &&
|
|
git add b c &&
|
|
test_tick &&
|
|
git commit -m initial &&
|
|
touch d &&
|
|
rm c &&
|
|
ln -s d c &&
|
|
cat >expect <<-EOF &&
|
|
b
|
|
c
|
|
|
|
c
|
|
EOF
|
|
git difftool --symlinks --dir-diff --extcmd ls >output &&
|
|
grep -v ^/ output >actual &&
|
|
test_cmp expect actual &&
|
|
|
|
git difftool --no-symlinks --dir-diff --extcmd ls >output &&
|
|
grep -v ^/ output >actual &&
|
|
test_cmp expect actual &&
|
|
|
|
# The left side contains symlink "c" that points to "b"
|
|
test_config difftool.cat.cmd "cat \$LOCAL/c" &&
|
|
printf "%s\n" b >expect &&
|
|
|
|
git difftool --symlinks --dir-diff --tool cat >actual &&
|
|
test_cmp expect actual &&
|
|
|
|
git difftool --symlinks --no-symlinks --dir-diff --tool cat >actual &&
|
|
test_cmp expect actual &&
|
|
|
|
# The right side contains symlink "c" that points to "d"
|
|
test_config difftool.cat.cmd "cat \$REMOTE/c" &&
|
|
printf "%s\n" d >expect &&
|
|
|
|
git difftool --symlinks --dir-diff --tool cat >actual &&
|
|
test_cmp expect actual &&
|
|
|
|
git difftool --no-symlinks --dir-diff --tool cat >actual &&
|
|
test_cmp expect actual &&
|
|
|
|
# Deleted symlinks
|
|
rm -f c &&
|
|
cat >expect <<-EOF &&
|
|
b
|
|
c
|
|
|
|
EOF
|
|
git difftool --symlinks --dir-diff --extcmd ls >output &&
|
|
grep -v ^/ output >actual &&
|
|
test_cmp expect actual &&
|
|
|
|
git difftool --no-symlinks --dir-diff --extcmd ls >output &&
|
|
grep -v ^/ output >actual &&
|
|
test_cmp expect actual
|
|
'
|
|
|
|
test_expect_success 'outside worktree' '
|
|
echo 1 >1 &&
|
|
echo 2 >2 &&
|
|
test_expect_code 1 nongit git \
|
|
-c diff.tool=echo -c difftool.echo.cmd="echo \$LOCAL \$REMOTE" \
|
|
difftool --no-prompt --no-index ../1 ../2 >actual &&
|
|
echo "../1 ../2" >expect &&
|
|
test_cmp expect actual
|
|
'
|
|
|
|
test_done
|