3 # Copyright (c) 2009, 2010, 2012, 2013 David Aguilar
6 test_description='git-difftool
8 Testing basic diff tool invocation
13 difftool_test_setup ()
15 test_config diff.tool test-tool &&
16 test_config difftool.test-tool.cmd 'cat "$LOCAL"' &&
17 test_config difftool.bogus-tool.cmd false
23 test "$prompt" = "Launch 'test-tool' [Y/n]: branch"
26 # Create a file on master and change it on branch
27 test_expect_success PERL 'setup' '
30 git commit -m "added file" &&
32 git checkout -b branch master &&
34 git commit -a -m "branch changed file" &&
38 # Configure a custom difftool.<tool>.cmd and use it
39 test_expect_success PERL 'custom commands' '
40 difftool_test_setup &&
41 test_config difftool.test-tool.cmd "cat \"\$REMOTE\"" &&
42 echo master >expect &&
43 git difftool --no-prompt branch >actual &&
44 test_cmp expect actual &&
46 test_config difftool.test-tool.cmd "cat \"\$LOCAL\"" &&
47 echo branch >expect &&
48 git difftool --no-prompt branch >actual &&
49 test_cmp expect actual
52 test_expect_success PERL 'custom tool commands override built-ins' '
53 test_config difftool.vimdiff.cmd "cat \"\$REMOTE\"" &&
54 echo master >expect &&
55 git difftool --tool vimdiff --no-prompt branch >actual &&
56 test_cmp expect actual
59 test_expect_success PERL 'difftool ignores bad --tool values' '
62 git difftool --no-prompt --tool=bad-tool branch >actual &&
63 test_cmp expect actual
66 test_expect_success PERL 'difftool forwards arguments to diff' '
67 difftool_test_setup &&
70 echo changes>for-diff &&
73 git difftool --cached --no-prompt -- for-diff >actual &&
74 test_cmp expect actual &&
75 git reset -- for-diff &&
79 test_expect_success PERL 'difftool ignores exit code' '
80 test_config difftool.error.cmd false &&
81 git difftool -y -t error branch
84 test_expect_success PERL 'difftool forwards exit code with --trust-exit-code' '
85 test_config difftool.error.cmd false &&
86 test_must_fail git difftool -y --trust-exit-code -t error branch
89 test_expect_success PERL 'difftool honors difftool.trustExitCode = true' '
90 test_config difftool.error.cmd false &&
91 test_config difftool.trustExitCode true &&
92 test_must_fail git difftool -y -t error branch
95 test_expect_success PERL 'difftool honors difftool.trustExitCode = false' '
96 test_config difftool.error.cmd false &&
97 test_config difftool.trustExitCode false &&
98 git difftool -y -t error branch
101 test_expect_success PERL 'difftool ignores exit code with --no-trust-exit-code' '
102 test_config difftool.error.cmd false &&
103 test_config difftool.trustExitCode true &&
104 git difftool -y --no-trust-exit-code -t error branch
107 test_expect_success PERL 'difftool stops on error with --trust-exit-code' '
108 test_when_finished "rm -f for-diff .git/fail-right-file" &&
109 test_when_finished "git reset -- for-diff" &&
110 write_script .git/fail-right-file <<-\EOF &&
117 test_must_fail git difftool -y --trust-exit-code \
118 --extcmd .git/fail-right-file branch >actual &&
119 test_cmp expect actual
122 test_expect_success PERL 'difftool honors --gui' '
123 difftool_test_setup &&
124 test_config merge.tool bogus-tool &&
125 test_config diff.tool bogus-tool &&
126 test_config diff.guitool test-tool &&
128 echo branch >expect &&
129 git difftool --no-prompt --gui branch >actual &&
130 test_cmp expect actual
133 test_expect_success PERL 'difftool --gui last setting wins' '
134 difftool_test_setup &&
136 git difftool --no-prompt --gui --no-gui >actual &&
137 test_cmp expect actual &&
139 test_config merge.tool bogus-tool &&
140 test_config diff.tool bogus-tool &&
141 test_config diff.guitool test-tool &&
142 echo branch >expect &&
143 git difftool --no-prompt --no-gui --gui branch >actual &&
144 test_cmp expect actual
147 test_expect_success PERL 'difftool --gui works without configured diff.guitool' '
148 difftool_test_setup &&
149 echo branch >expect &&
150 git difftool --no-prompt --gui branch >actual &&
151 test_cmp expect actual
154 # Specify the diff tool using $GIT_DIFF_TOOL
155 test_expect_success PERL 'GIT_DIFF_TOOL variable' '
156 difftool_test_setup &&
157 git config --unset diff.tool &&
158 echo branch >expect &&
159 GIT_DIFF_TOOL=test-tool git difftool --no-prompt branch >actual &&
160 test_cmp expect actual
163 # Test the $GIT_*_TOOL variables and ensure
164 # that $GIT_DIFF_TOOL always wins unless --tool is specified
165 test_expect_success PERL 'GIT_DIFF_TOOL overrides' '
166 difftool_test_setup &&
167 test_config diff.tool bogus-tool &&
168 test_config merge.tool bogus-tool &&
170 echo branch >expect &&
171 GIT_DIFF_TOOL=test-tool git difftool --no-prompt branch >actual &&
172 test_cmp expect actual &&
174 test_config diff.tool bogus-tool &&
175 test_config merge.tool bogus-tool &&
176 GIT_DIFF_TOOL=bogus-tool \
177 git difftool --no-prompt --tool=test-tool branch >actual &&
178 test_cmp expect actual
181 # Test that we don't have to pass --no-prompt to difftool
182 # when $GIT_DIFFTOOL_NO_PROMPT is true
183 test_expect_success PERL 'GIT_DIFFTOOL_NO_PROMPT variable' '
184 difftool_test_setup &&
185 echo branch >expect &&
186 GIT_DIFFTOOL_NO_PROMPT=true git difftool branch >actual &&
187 test_cmp expect actual
190 # git-difftool supports the difftool.prompt variable.
191 # Test that GIT_DIFFTOOL_PROMPT can override difftool.prompt = false
192 test_expect_success PERL 'GIT_DIFFTOOL_PROMPT variable' '
193 difftool_test_setup &&
194 test_config difftool.prompt false &&
196 GIT_DIFFTOOL_PROMPT=true git difftool branch <input >output &&
197 prompt=$(tail -1 <output) &&
198 prompt_given "$prompt"
201 # Test that we don't have to pass --no-prompt when difftool.prompt is false
202 test_expect_success PERL 'difftool.prompt config variable is false' '
203 difftool_test_setup &&
204 test_config difftool.prompt false &&
205 echo branch >expect &&
206 git difftool branch >actual &&
207 test_cmp expect actual
210 # Test that we don't have to pass --no-prompt when mergetool.prompt is false
211 test_expect_success PERL 'difftool merge.prompt = false' '
212 difftool_test_setup &&
213 test_might_fail git config --unset difftool.prompt &&
214 test_config mergetool.prompt false &&
215 echo branch >expect &&
216 git difftool branch >actual &&
217 test_cmp expect actual
220 # Test that the -y flag can override difftool.prompt = true
221 test_expect_success PERL 'difftool.prompt can overridden with -y' '
222 difftool_test_setup &&
223 test_config difftool.prompt true &&
224 echo branch >expect &&
225 git difftool -y branch >actual &&
226 test_cmp expect actual
229 # Test that the --prompt flag can override difftool.prompt = false
230 test_expect_success PERL 'difftool.prompt can overridden with --prompt' '
231 difftool_test_setup &&
232 test_config difftool.prompt false &&
234 git difftool --prompt branch <input >output &&
235 prompt=$(tail -1 <output) &&
236 prompt_given "$prompt"
239 # Test that the last flag passed on the command-line wins
240 test_expect_success PERL 'difftool last flag wins' '
241 difftool_test_setup &&
242 echo branch >expect &&
243 git difftool --prompt --no-prompt branch >actual &&
244 test_cmp expect actual &&
246 git difftool --no-prompt --prompt branch <input >output &&
247 prompt=$(tail -1 <output) &&
248 prompt_given "$prompt"
251 # git-difftool falls back to git-mergetool config variables
252 # so test that behavior here
253 test_expect_success PERL 'difftool + mergetool config variables' '
254 test_config merge.tool test-tool &&
255 test_config mergetool.test-tool.cmd "cat \$LOCAL" &&
256 echo branch >expect &&
257 git difftool --no-prompt branch >actual &&
258 test_cmp expect actual &&
260 # set merge.tool to something bogus, diff.tool to test-tool
261 test_config merge.tool bogus-tool &&
262 test_config diff.tool test-tool &&
263 git difftool --no-prompt branch >actual &&
264 test_cmp expect actual
267 test_expect_success PERL 'difftool.<tool>.path' '
268 test_config difftool.tkdiff.path echo &&
269 git difftool --tool=tkdiff --no-prompt branch >output &&
270 lines=$(grep file output | wc -l) &&
274 test_expect_success PERL 'difftool --extcmd=cat' '
275 echo branch >expect &&
276 echo master >>expect &&
277 git difftool --no-prompt --extcmd=cat branch >actual &&
278 test_cmp expect actual
281 test_expect_success PERL 'difftool --extcmd cat' '
282 echo branch >expect &&
283 echo master >>expect &&
284 git difftool --no-prompt --extcmd=cat branch >actual &&
285 test_cmp expect actual
288 test_expect_success PERL 'difftool -x cat' '
289 echo branch >expect &&
290 echo master >>expect &&
291 git difftool --no-prompt -x cat branch >actual &&
292 test_cmp expect actual
295 test_expect_success PERL 'difftool --extcmd echo arg1' '
297 git difftool --no-prompt \
298 --extcmd sh\ -c\ \"echo\ \$1\" branch >actual &&
299 test_cmp expect actual
302 test_expect_success PERL 'difftool --extcmd cat arg1' '
303 echo master >expect &&
304 git difftool --no-prompt \
305 --extcmd sh\ -c\ \"cat\ \$1\" branch >actual &&
306 test_cmp expect actual
309 test_expect_success PERL 'difftool --extcmd cat arg2' '
310 echo branch >expect &&
311 git difftool --no-prompt \
312 --extcmd sh\ -c\ \"cat\ \$2\" branch >actual &&
313 test_cmp expect actual
316 # Create a second file on master and a different version on branch
317 test_expect_success PERL 'setup with 2 files different' '
320 git commit -m "added file2" &&
322 git checkout branch &&
325 git commit -a -m "branch changed file2" &&
329 test_expect_success PERL 'say no to the first file' '
330 (echo n && echo) >input &&
331 git difftool -x cat branch <input >output &&
334 ! grep master output &&
338 test_expect_success PERL 'say no to the second file' '
339 (echo && echo n) >input &&
340 git difftool -x cat branch <input >output &&
341 grep master output &&
342 grep branch output &&
347 test_expect_success PERL 'ending prompt input with EOF' '
348 git difftool -x cat branch </dev/null >output &&
349 ! grep master output &&
350 ! grep branch output &&
355 test_expect_success PERL 'difftool --tool-help' '
356 git difftool --tool-help >output &&
360 test_expect_success PERL 'setup change in subdirectory' '
361 git checkout master &&
363 echo master >sub/sub &&
365 git commit -m "added sub/sub" &&
367 echo test >>sub/sub &&
368 git add file sub/sub &&
369 git commit -m "modified both"
372 run_dir_diff_test () {
373 test_expect_success PERL "$1 --no-symlinks" "
374 symlinks=--no-symlinks &&
377 test_expect_success PERL,SYMLINKS "$1 --symlinks" "
378 symlinks=--symlinks &&
383 run_dir_diff_test 'difftool -d' '
384 git difftool -d $symlinks --extcmd ls branch >output &&
389 run_dir_diff_test 'difftool --dir-diff' '
390 git difftool --dir-diff $symlinks --extcmd ls branch >output &&
395 run_dir_diff_test 'difftool --dir-diff ignores --prompt' '
396 git difftool --dir-diff $symlinks --prompt --extcmd ls branch >output &&
401 run_dir_diff_test 'difftool --dir-diff from subdirectory' '
404 git difftool --dir-diff $symlinks --extcmd ls branch >output &&
410 run_dir_diff_test 'difftool --dir-diff when worktree file is missing' '
411 test_when_finished git reset --hard &&
413 git difftool --dir-diff $symlinks --extcmd ls branch master >output &&
417 write_script .git/CHECK_SYMLINKS <<\EOF
418 for f in file file2 sub/sub
425 test_expect_success PERL,SYMLINKS 'difftool --dir-diff --symlink without unstaged changes' '
426 cat >expect <<-EOF &&
434 git difftool --dir-diff --symlink \
435 --extcmd "./.git/CHECK_SYMLINKS" branch HEAD &&
436 test_cmp actual expect
439 write_script modify-right-file <<\EOF
440 echo "new content" >"$2/file"
443 run_dir_diff_test 'difftool --dir-diff syncs worktree with unstaged change' '
444 test_when_finished git reset --hard &&
445 echo "orig content" >file &&
446 git difftool -d $symlinks --extcmd "$(pwd)/modify-right-file" branch &&
447 echo "new content" >expect &&
451 run_dir_diff_test 'difftool --dir-diff syncs worktree without unstaged change' '
452 test_when_finished git reset --hard &&
453 git difftool -d $symlinks --extcmd "$(pwd)/modify-right-file" branch &&
454 echo "new content" >expect &&
458 write_script modify-file <<\EOF
459 echo "new content" >file
462 test_expect_success PERL 'difftool --no-symlinks does not overwrite working tree file ' '
463 echo "orig content" >file &&
464 git difftool --dir-diff --no-symlinks --extcmd "$(pwd)/modify-file" branch &&
465 echo "new content" >expect &&
469 write_script modify-both-files <<\EOF
470 echo "wt content" >file &&
471 echo "tmp content" >"$2/file" &&
475 test_expect_success PERL 'difftool --no-symlinks detects conflict ' '
477 TMPDIR=$TRASH_DIRECTORY &&
479 echo "orig content" >file &&
480 test_must_fail git difftool --dir-diff --no-symlinks --extcmd "$(pwd)/modify-both-files" branch &&
481 echo "wt content" >expect &&
482 test_cmp expect file &&
483 echo "tmp content" >expect &&
484 test_cmp expect "$(cat tmpdir)/file"
488 test_expect_success PERL 'difftool properly honors gitlink and core.worktree' '
489 git submodule add ./. submod/ule &&
492 test_config diff.tool checktrees &&
493 test_config difftool.checktrees.cmd '\''
494 test -d "$LOCAL" && test -d "$REMOTE" && echo good
497 git difftool --tool=checktrees --dir-diff HEAD~ >actual &&
498 test_cmp expect actual