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https://github.com/git/git
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853e10c197
9ec26e7977 (difftool: fix argument handling in subdirs, 2016-07-18)
corrected how path arguments are handled in a subdirectory, but
it introduced a regression in how entries outside of the
subdirectory are handled by dir-diff.
When preparing the right-side of the diff we only include the
changed paths in the temporary area.
The left side of the diff is constructed from a temporary
index that is built from the same set of changed files, but it
was being constructed from within the subdirectory. This is a
problem because the indexed paths are toplevel-relative, and
thus they were not getting added to the index.
Teach difftool to chdir to the toplevel of the repository before
preparing its temporary indexes. This ensures that all of the
toplevel-relative paths are valid.
Add test cases to more thoroughly exercise this scenario.
Reported-by: Frank Becker <fb@mooflu.com>
Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
607 lines
16 KiB
Bash
Executable file
607 lines
16 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 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 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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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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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 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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test "1" = $(grep sub output | wc -l) &&
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test "2" = $(grep file"$" output | wc -l) &&
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test "2" = $(grep file2 output | wc -l)
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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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test "2" = $(grep sub output | wc -l) &&
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test "2" = $(grep file output | wc -l) &&
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test "0" = $(grep file2 output | wc -l)
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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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test "1" = $(grep sub output | wc -l) &&
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test "0" = $(grep file output | wc -l)
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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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test "2" = $(grep sub output | wc -l) &&
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test "0" = $(grep file output | wc -l)
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)
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'
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run_dir_diff_test 'difftool --dir-diff from subdirectory with GIT_DIR set' '
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(
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GIT_DIR=$(pwd)/.git &&
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export GIT_DIR &&
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GIT_WORK_TREE=$(pwd) &&
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export GIT_WORK_TREE &&
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cd sub &&
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git difftool --dir-diff $symlinks --extcmd ls \
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branch -- sub >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 &&
|
|
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 PERL,SYMLINKS 'difftool --dir-diff --symlink without unstaged changes' '
|
|
cat >expect <<-EOF &&
|
|
file
|
|
$PWD/file
|
|
file2
|
|
$PWD/file2
|
|
sub/sub
|
|
$PWD/sub/sub
|
|
EOF
|
|
git difftool --dir-diff --symlink \
|
|
--extcmd "./.git/CHECK_SYMLINKS" branch HEAD &&
|
|
test_cmp actual expect
|
|
'
|
|
|
|
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 PERL '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 "$2" >tmpdir
|
|
EOF
|
|
|
|
test_expect_success PERL 'difftool --no-symlinks detects conflict ' '
|
|
(
|
|
TMPDIR=$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 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
|