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f92f2038a5
t7800-difftool.sh tests the various command-line flags, git-config variables, and environment settings supported by git-difftool. Signed-off-by: David Aguilar <davvid@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
147 lines
3.5 KiB
Bash
Executable file
147 lines
3.5 KiB
Bash
Executable file
#!/bin/sh
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#
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# Copyright (c) 2009 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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remove_config_vars()
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{
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# Unset all config variables used by git-difftool
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git config --unset diff.tool
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git config --unset difftool.test-tool.cmd
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git config --unset merge.tool
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git config --unset mergetool.test-tool.cmd
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return 0
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}
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restore_test_defaults()
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{
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# Restores the test defaults used by several tests
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remove_config_vars
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unset GIT_DIFF_TOOL
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unset GIT_MERGE_TOOL
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unset GIT_DIFFTOOL_NO_PROMPT
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git config diff.tool test-tool &&
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git config difftool.test-tool.cmd 'cat $LOCAL'
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}
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# Create a file on master and change it on branch
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test_expect_success 'setup' '
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echo master >file &&
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git add file &&
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git commit -m "added file" &&
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git checkout -b branch master &&
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echo branch >file &&
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git commit -a -m "branch changed file" &&
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git checkout master
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'
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# Configure a custom difftool.<tool>.cmd and use it
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test_expect_success 'custom commands' '
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restore_test_defaults &&
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git config difftool.test-tool.cmd "cat \$REMOTE" &&
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diff=$(git difftool --no-prompt branch) &&
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test "$diff" = "master" &&
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restore_test_defaults &&
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diff=$(git difftool --no-prompt branch) &&
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test "$diff" = "branch"
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'
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# Ensures that git-difftool ignores bogus --tool values
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test_expect_success 'difftool ignores bad --tool values' '
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diff=$(git difftool --no-prompt --tool=bogus-tool branch)
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test "$?" = 1 &&
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test "$diff" = ""
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'
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# Specify the diff tool using $GIT_DIFF_TOOL
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test_expect_success 'GIT_DIFF_TOOL variable' '
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git config --unset diff.tool
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GIT_DIFF_TOOL=test-tool &&
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export GIT_DIFF_TOOL &&
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diff=$(git difftool --no-prompt branch) &&
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test "$diff" = "branch" &&
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restore_test_defaults
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'
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# Test the $GIT_*_TOOL variables and ensure
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# that $GIT_DIFF_TOOL always wins unless --tool is specified
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test_expect_success 'GIT_DIFF_TOOL overrides' '
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git config diff.tool bogus-tool &&
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git config merge.tool bogus-tool &&
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GIT_MERGE_TOOL=test-tool &&
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export GIT_MERGE_TOOL &&
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diff=$(git difftool --no-prompt branch) &&
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test "$diff" = "branch" &&
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unset GIT_MERGE_TOOL &&
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GIT_MERGE_TOOL=bogus-tool &&
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GIT_DIFF_TOOL=test-tool &&
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export GIT_MERGE_TOOL &&
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export GIT_DIFF_TOOL &&
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diff=$(git difftool --no-prompt branch) &&
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test "$diff" = "branch" &&
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GIT_DIFF_TOOL=bogus-tool &&
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export GIT_DIFF_TOOL &&
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diff=$(git difftool --no-prompt --tool=test-tool branch) &&
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test "$diff" = "branch" &&
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restore_test_defaults
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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 $GIT_DIFFTOOL_NO_PROMPT is true
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test_expect_success 'GIT_DIFFTOOL_NO_PROMPT variable' '
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GIT_DIFFTOOL_NO_PROMPT=true &&
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export GIT_DIFFTOOL_NO_PROMPT &&
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diff=$(git difftool branch) &&
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test "$diff" = "branch" &&
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restore_test_defaults
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'
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# git-difftool falls back to git-mergetool config variables
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# so test that behavior here
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test_expect_success 'difftool + mergetool config variables' '
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remove_config_vars
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git config merge.tool test-tool &&
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git config mergetool.test-tool.cmd "cat \$LOCAL" &&
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diff=$(git difftool --no-prompt branch) &&
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test "$diff" = "branch" &&
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# set merge.tool to something bogus, diff.tool to test-tool
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git config merge.tool bogus-tool &&
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git config diff.tool test-tool &&
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diff=$(git difftool --no-prompt branch) &&
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test "$diff" = "branch" &&
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restore_test_defaults
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'
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test_expect_success 'difftool.<tool>.path' '
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git config difftool.tkdiff.path echo &&
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diff=$(git difftool --tool=tkdiff --no-prompt branch) &&
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git config --unset difftool.tkdiff.path &&
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lines=$(echo "$diff" | grep file | wc -l) &&
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test "$lines" -eq 1
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'
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test_done
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