3 # Copyright (c) 2007 Carlos Rica
6 test_description='git reset
8 Documented tests for git reset'
10 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
11 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
16 # String "modify 2nd file (changed)" partly in German
17 # (translated with Google Translate),
18 # encoded in UTF-8, used as a commit log message below.
19 msg="modify 2nd file (ge\303\244ndert)\n"
22 printf "$msg" | iconv -f utf-8 -t "$1"
28 # Tested non-UTF-8 encoding
29 test_encoding="ISO8859-1"
31 test_expect_success 'creating initial files and commits' '
33 echo "1st file" >first &&
35 git commit -m "create 1st file" &&
37 echo "2nd file" >second &&
39 git commit -m "create 2nd file" &&
41 echo "2nd line 1st file" >>first &&
42 git commit -a -m "modify 1st file" &&
43 head5p2=$(git rev-parse --verify HEAD) &&
44 head5p2f=$(git rev-parse --short HEAD:first) &&
47 git mv second secondfile &&
48 git commit -a -m "remove 1st and rename 2nd" &&
49 head5p1=$(git rev-parse --verify HEAD) &&
50 head5p1s=$(git rev-parse --short HEAD:secondfile) &&
52 echo "1st line 2nd file" >secondfile &&
53 echo "2nd line 2nd file" >>secondfile &&
54 # "git commit -m" would break MinGW, as Windows refuse to pass
55 # $test_encoding encoded parameter to git.
56 commit_msg $test_encoding | git -c "i18n.commitEncoding=$test_encoding" commit -a -F - &&
57 head5=$(git rev-parse --verify HEAD) &&
58 head5s=$(git rev-parse --short HEAD:secondfile) &&
59 head5sl=$(git rev-parse HEAD:secondfile)
61 # git log --pretty=oneline # to see those SHA1 involved
64 test "$(git rev-parse HEAD)" = "$1" &&
65 git diff | test_cmp .diff_expect - &&
66 git diff --cached | test_cmp .cached_expect - &&
71 done | test_cmp .cat_expect -
74 test_expect_success 'reset --hard message' '
75 hex=$(git log -1 --format="%h") &&
76 git reset --hard >.actual &&
77 echo HEAD is now at $hex $(commit_msg) >.expected &&
78 test_i18ncmp .expected .actual
81 test_expect_success 'reset --hard message (ISO8859-1 logoutputencoding)' '
82 hex=$(git log -1 --format="%h") &&
83 git -c "i18n.logOutputEncoding=$test_encoding" reset --hard >.actual &&
84 echo HEAD is now at $hex $(commit_msg $test_encoding) >.expected &&
85 test_i18ncmp .expected .actual
88 test_expect_success 'giving a non existing revision should fail' '
91 cat >.cat_expect <<-\EOF &&
97 test_must_fail git reset aaaaaa &&
98 test_must_fail git reset --mixed aaaaaa &&
99 test_must_fail git reset --soft aaaaaa &&
100 test_must_fail git reset --hard aaaaaa &&
104 test_expect_success 'reset --soft with unmerged index should fail' '
105 touch .git/MERGE_HEAD &&
106 echo "100644 $head5sl 1 un" |
107 git update-index --index-info &&
108 test_must_fail git reset --soft HEAD &&
109 rm .git/MERGE_HEAD &&
110 git rm --cached -- un
113 test_expect_success 'giving paths with options different than --mixed should fail' '
114 test_must_fail git reset --soft -- first &&
115 test_must_fail git reset --hard -- first &&
116 test_must_fail git reset --soft HEAD^ -- first &&
117 test_must_fail git reset --hard HEAD^ -- first &&
121 test_expect_success 'giving unrecognized options should fail' '
122 test_must_fail git reset --other &&
123 test_must_fail git reset -o &&
124 test_must_fail git reset --mixed --other &&
125 test_must_fail git reset --mixed -o &&
126 test_must_fail git reset --soft --other &&
127 test_must_fail git reset --soft -o &&
128 test_must_fail git reset --hard --other &&
129 test_must_fail git reset --hard -o &&
133 test_expect_success 'trying to do reset --soft with pending merge should fail' '
134 git branch branch1 &&
135 git branch branch2 &&
137 git checkout branch1 &&
138 echo "3rd line in branch1" >>secondfile &&
139 git commit -a -m "change in branch1" &&
141 git checkout branch2 &&
142 echo "3rd line in branch2" >>secondfile &&
143 git commit -a -m "change in branch2" &&
145 test_must_fail git merge branch1 &&
146 test_must_fail git reset --soft &&
148 printf "1st line 2nd file\n2nd line 2nd file\n3rd line" >secondfile &&
149 git commit -a -m "the change in branch2" &&
152 git branch -D branch1 branch2 &&
156 test_expect_success 'trying to do reset --soft with pending checkout merge should fail' '
157 git branch branch3 &&
158 git branch branch4 &&
160 git checkout branch3 &&
161 echo "3rd line in branch3" >>secondfile &&
162 git commit -a -m "line in branch3" &&
164 git checkout branch4 &&
165 echo "3rd line in branch4" >>secondfile &&
167 git checkout -m branch3 &&
168 test_must_fail git reset --soft &&
170 printf "1st line 2nd file\n2nd line 2nd file\n3rd line" >secondfile &&
171 git commit -a -m "the line in branch3" &&
174 git branch -D branch3 branch4 &&
178 test_expect_success 'resetting to HEAD with no changes should succeed and do nothing' '
180 check_changes $head5 &&
181 git reset --hard HEAD &&
182 check_changes $head5 &&
184 check_changes $head5 &&
185 git reset --soft HEAD &&
186 check_changes $head5 &&
188 check_changes $head5 &&
189 git reset --mixed HEAD &&
190 check_changes $head5 &&
192 check_changes $head5 &&
197 test_expect_success '--soft reset only should show changes in diff --cached' '
199 cat >.cached_expect <<-EOF &&
200 diff --git a/secondfile b/secondfile
201 index $head5p1s..$head5s 100644
209 cat >.cat_expect <<-\EOF &&
214 git reset --soft HEAD^ &&
215 check_changes $head5p1 &&
216 test "$(git rev-parse ORIG_HEAD)" = \
220 test_expect_success 'changing files and redo the last commit should succeed' '
223 cat >.cat_expect <<-\EOF &&
229 echo "3rd line 2nd file" >>secondfile &&
230 git commit -a -C ORIG_HEAD &&
231 head4=$(git rev-parse --verify HEAD) &&
232 check_changes $head4 &&
233 test "$(git rev-parse ORIG_HEAD)" = \
237 test_expect_success '--hard reset should change the files and undo commits permanently' '
240 cat >.cat_expect <<-\EOF &&
247 git reset --hard HEAD~2 &&
248 check_changes $head5p2 &&
249 test "$(git rev-parse ORIG_HEAD)" = \
253 test_expect_success 'redoing changes adding them without commit them should succeed' '
255 cat >.cached_expect <<-EOF &&
256 diff --git a/first b/first
257 deleted file mode 100644
258 index $head5p2f..0000000
264 diff --git a/second b/second
265 deleted file mode 100644
266 index $head5p1s..0000000
271 diff --git a/secondfile b/secondfile
273 index 0000000..$head5s
280 cat >.cat_expect <<-\EOF &&
286 git mv second secondfile &&
288 echo "1st line 2nd file" >secondfile &&
289 echo "2nd line 2nd file" >>secondfile &&
290 git add secondfile &&
291 check_changes $head5p2
294 test_expect_success '--mixed reset to HEAD should unadd the files' '
295 cat >.diff_expect <<-EOF &&
296 diff --git a/first b/first
297 deleted file mode 100644
298 index $head5p2f..0000000
304 diff --git a/second b/second
305 deleted file mode 100644
306 index $head5p1s..0000000
313 cat >.cat_expect <<-\EOF &&
319 check_changes $head5p2 &&
320 test "$(git rev-parse ORIG_HEAD)" = $head5p2
323 test_expect_success 'redoing the last two commits should succeed' '
326 cat >.cat_expect <<-\EOF &&
331 git add secondfile &&
332 git reset --hard $head5p2 &&
334 git mv second secondfile &&
335 git commit -a -m "remove 1st and rename 2nd" &&
337 echo "1st line 2nd file" >secondfile &&
338 echo "2nd line 2nd file" >>secondfile &&
339 # "git commit -m" would break MinGW, as Windows refuse to pass
340 # $test_encoding encoded parameter to git.
341 commit_msg $test_encoding | git -c "i18n.commitEncoding=$test_encoding" commit -a -F - &&
345 test_expect_success '--hard reset to HEAD should clear a failed merge' '
348 cat >.cat_expect <<-\EOF &&
354 git branch branch1 &&
355 git branch branch2 &&
357 git checkout branch1 &&
358 echo "3rd line in branch1" >>secondfile &&
359 git commit -a -m "change in branch1" &&
361 git checkout branch2 &&
362 echo "3rd line in branch2" >>secondfile &&
363 git commit -a -m "change in branch2" &&
364 head3=$(git rev-parse --verify HEAD) &&
366 test_must_fail git pull . branch1 &&
371 test_expect_success '--hard reset to ORIG_HEAD should clear a fast-forward merge' '
374 cat >.cat_expect <<-\EOF &&
379 git reset --hard HEAD^ &&
380 check_changes $head5 &&
382 git pull . branch1 &&
383 git reset --hard ORIG_HEAD &&
384 check_changes $head5 &&
387 git branch -D branch1 branch2 &&
391 test_expect_success 'test --mixed <paths>' '
394 git add file1 file2 &&
396 git commit -m files &&
397 before1=$(git rev-parse --short HEAD:file1) &&
398 before2=$(git rev-parse --short HEAD:file2) &&
403 after1=$(git rev-parse --short $(git hash-object file1)) &&
404 after4=$(git rev-parse --short $(git hash-object file4)) &&
405 git add file1 file3 file4 &&
406 git reset HEAD -- file1 file2 file3 &&
407 test_must_fail git diff --quiet &&
410 cat >expect <<-EOF &&
411 diff --git a/file1 b/file1
412 index $before1..$after1 100644
418 diff --git a/file2 b/file2
419 deleted file mode 100644
420 index $before2..0000000
427 test_cmp expect output &&
428 git diff --cached >output &&
430 cat >cached_expect <<-EOF &&
431 diff --git a/file4 b/file4
433 index 0000000..$after4
440 test_cmp cached_expect output
443 test_expect_success 'test resetting the index at give paths' '
447 git update-index --add sub/file1 sub/file2 &&
448 T=$(git write-tree) &&
449 git reset HEAD sub/file2 &&
450 test_must_fail git diff --quiet &&
451 U=$(git write-tree) &&
454 test_must_fail git diff-index --cached --exit-code "$T" &&
458 test_expect_success 'resetting an unmodified path is a no-op' '
460 git reset -- file1 &&
461 git diff-files --exit-code &&
462 git diff-index --cached --exit-code HEAD
465 test_expect_success '--mixed refreshes the index' '
466 cat >expect <<-\EOF &&
467 Unstaged changes after reset:
471 git reset --mixed HEAD >output &&
472 test_i18ncmp expect output
475 test_expect_success 'resetting specific path that is unmerged' '
476 git rm --cached file2 &&
477 F1=$(git rev-parse HEAD:file1) &&
478 F2=$(git rev-parse HEAD:file2) &&
479 F3=$(git rev-parse HEAD:secondfile) &&
481 echo "100644 $F1 1 file2" &&
482 echo "100644 $F2 2 file2" &&
483 echo "100644 $F3 3 file2"
484 } | git update-index --index-info &&
486 git reset HEAD file2 &&
487 test_must_fail git diff --quiet &&
488 git diff-index --exit-code --cached HEAD
491 test_expect_success 'disambiguation (1)' '
494 git add secondfile &&
495 git reset secondfile &&
496 test_must_fail git diff --quiet -- secondfile &&
497 test -z "$(git diff --cached --name-only)" &&
498 test -f secondfile &&
499 test_must_be_empty secondfile
502 test_expect_success 'disambiguation (2)' '
505 git add secondfile &&
507 test_must_fail git reset secondfile &&
508 test -n "$(git diff --cached --name-only -- secondfile)" &&
512 test_expect_success 'disambiguation (3)' '
515 git add secondfile &&
517 git reset HEAD secondfile &&
518 test_must_fail git diff --quiet &&
519 test -z "$(git diff --cached --name-only)" &&
523 test_expect_success 'disambiguation (4)' '
526 git add secondfile &&
528 git reset -- secondfile &&
529 test_must_fail git diff --quiet &&
530 test -z "$(git diff --cached --name-only)" &&
534 test_expect_success 'reset with paths accepts tree' '
535 # for simpler tests, drop last commit containing added files
536 git reset --hard HEAD^ &&
537 git reset HEAD^^{tree} -- . &&
538 git diff --cached HEAD^ --exit-code &&
539 git diff HEAD --exit-code
542 test_expect_success 'reset -N keeps removed files as intent-to-add' '
543 echo new-file >new-file &&
547 tree=$(git write-tree) &&
548 git ls-tree $tree new-file >actual &&
549 test_must_be_empty actual &&
551 git diff --name-only >actual &&
552 echo new-file >expect &&
553 test_cmp expect actual
556 test_expect_success 'reset --mixed sets up work tree' '
557 git init mixed_worktree &&
562 git --git-dir=mixed_worktree/.git --work-tree=mixed_worktree reset >actual &&
563 test_must_be_empty actual