t/t7102-reset.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2007 Carlos Rica
   4 #
   5
   6 test_description='git reset
   7
   8 Documented tests for git reset'
   9
  10 . ./test-lib.sh
  11
  12 commit_msg () {
  13         # String "modify 2nd file (changed)" partly in German
  14         # (translated with Google Translate),
  15         # encoded in UTF-8, used as a commit log message below.
  16         msg="modify 2nd file (ge\303\244ndert)\n"
  17         if test -n "$1"
  18         then
  19                 printf "$msg" | iconv -f utf-8 -t "$1"
  20         else
  21                 printf "$msg"
  22         fi
  23 }
  24
  25 # Tested non-UTF-8 encoding
  26 test_encoding="ISO8859-1"
  27
  28 test_expect_success 'creating initial files and commits' '
  29         test_tick &&
  30         echo "1st file" >first &&
  31         git add first &&
  32         git commit -m "create 1st file" &&
  33
  34         echo "2nd file" >second &&
  35         git add second &&
  36         git commit -m "create 2nd file" &&
  37
  38         echo "2nd line 1st file" >>first &&
  39         git commit -a -m "modify 1st file" &&
  40
  41         git rm first &&
  42         git mv second secondfile &&
  43         git commit -a -m "remove 1st and rename 2nd" &&
  44
  45         echo "1st line 2nd file" >secondfile &&
  46         echo "2nd line 2nd file" >>secondfile &&
  47         # "git commit -m" would break MinGW, as Windows refuse to pass
  48         # $test_encoding encoded parameter to git.
  49         commit_msg $test_encoding | git -c "i18n.commitEncoding=$test_encoding" commit -a -F - &&
  50         head5=$(git rev-parse --verify HEAD)
  51 '
  52 # git log --pretty=oneline # to see those SHA1 involved
  53
  54 check_changes () {
  55         test "$(git rev-parse HEAD)" = "$1" &&
  56         git diff | test_cmp .diff_expect - &&
  57         git diff --cached | test_cmp .cached_expect - &&
  58         for FILE in *
  59         do
  60                 echo $FILE':'
  61                 cat $FILE || return
  62         done | test_cmp .cat_expect -
  63 }
  64
  65 test_expect_success 'reset --hard message' '
  66         hex=$(git log -1 --format="%h") &&
  67         git reset --hard > .actual &&
  68         echo HEAD is now at $hex $(commit_msg) > .expected &&
  69         test_i18ncmp .expected .actual
  70 '
  71
  72 test_expect_success 'reset --hard message (ISO8859-1 logoutputencoding)' '
  73         hex=$(git log -1 --format="%h") &&
  74         git -c "i18n.logOutputEncoding=$test_encoding" reset --hard > .actual &&
  75         echo HEAD is now at $hex $(commit_msg $test_encoding) > .expected &&
  76         test_i18ncmp .expected .actual
  77 '
  78
  79 >.diff_expect
  80 >.cached_expect
  81 cat >.cat_expect <<EOF
  82 secondfile:
  83 1st line 2nd file
  84 2nd line 2nd file
  85 EOF
  86
  87 test_expect_success 'giving a non existing revision should fail' '
  88         test_must_fail git reset aaaaaa &&
  89         test_must_fail git reset --mixed aaaaaa &&
  90         test_must_fail git reset --soft aaaaaa &&
  91         test_must_fail git reset --hard aaaaaa &&
  92         check_changes $head5
  93 '
  94
  95 test_expect_success 'reset --soft with unmerged index should fail' '
  96         touch .git/MERGE_HEAD &&
  97         echo "100644 44c5b5884550c17758737edcced463447b91d42b 1 un" |
  98                 git update-index --index-info &&
  99         test_must_fail git reset --soft HEAD &&
 100         rm .git/MERGE_HEAD &&
 101         git rm --cached -- un
 102 '
 103
 104 test_expect_success \
 105         'giving paths with options different than --mixed should fail' '
 106         test_must_fail git reset --soft -- first &&
 107         test_must_fail git reset --hard -- first &&
 108         test_must_fail git reset --soft HEAD^ -- first &&
 109         test_must_fail git reset --hard HEAD^ -- first &&
 110         check_changes $head5
 111 '
 112
 113 test_expect_success 'giving unrecognized options should fail' '
 114         test_must_fail git reset --other &&
 115         test_must_fail git reset -o &&
 116         test_must_fail git reset --mixed --other &&
 117         test_must_fail git reset --mixed -o &&
 118         test_must_fail git reset --soft --other &&
 119         test_must_fail git reset --soft -o &&
 120         test_must_fail git reset --hard --other &&
 121         test_must_fail git reset --hard -o &&
 122         check_changes $head5
 123 '
 124
 125 test_expect_success \
 126         'trying to do reset --soft with pending merge should fail' '
 127         git branch branch1 &&
 128         git branch branch2 &&
 129
 130         git checkout branch1 &&
 131         echo "3rd line in branch1" >>secondfile &&
 132         git commit -a -m "change in branch1" &&
 133
 134         git checkout branch2 &&
 135         echo "3rd line in branch2" >>secondfile &&
 136         git commit -a -m "change in branch2" &&
 137
 138         test_must_fail git merge branch1 &&
 139         test_must_fail git reset --soft &&
 140
 141         printf "1st line 2nd file\n2nd line 2nd file\n3rd line" >secondfile &&
 142         git commit -a -m "the change in branch2" &&
 143
 144         git checkout master &&
 145         git branch -D branch1 branch2 &&
 146         check_changes $head5
 147 '
 148
 149 test_expect_success \
 150         'trying to do reset --soft with pending checkout merge should fail' '
 151         git branch branch3 &&
 152         git branch branch4 &&
 153
 154         git checkout branch3 &&
 155         echo "3rd line in branch3" >>secondfile &&
 156         git commit -a -m "line in branch3" &&
 157
 158         git checkout branch4 &&
 159         echo "3rd line in branch4" >>secondfile &&
 160
 161         git checkout -m branch3 &&
 162         test_must_fail git reset --soft &&
 163
 164         printf "1st line 2nd file\n2nd line 2nd file\n3rd line" >secondfile &&
 165         git commit -a -m "the line in branch3" &&
 166
 167         git checkout master &&
 168         git branch -D branch3 branch4 &&
 169         check_changes $head5
 170 '
 171
 172 test_expect_success \
 173         'resetting to HEAD with no changes should succeed and do nothing' '
 174         git reset --hard &&
 175                 check_changes $head5 &&
 176         git reset --hard HEAD &&
 177                 check_changes $head5 &&
 178         git reset --soft &&
 179                 check_changes $head5 &&
 180         git reset --soft HEAD &&
 181                 check_changes $head5 &&
 182         git reset --mixed &&
 183                 check_changes $head5 &&
 184         git reset --mixed HEAD &&
 185                 check_changes $head5 &&
 186         git reset &&
 187                 check_changes $head5 &&
 188         git reset HEAD &&
 189                 check_changes $head5
 190 '
 191
 192 >.diff_expect
 193 cat >.cached_expect <<EOF
 194 diff --git a/secondfile b/secondfile
 195 index 1bbba79..44c5b58 100644
 196 --- a/secondfile
 197 +++ b/secondfile
 198 @@ -1 +1,2 @@
 199 -2nd file
 200 +1st line 2nd file
 201 +2nd line 2nd file
 202 EOF
 203 cat >.cat_expect <<EOF
 204 secondfile:
 205 1st line 2nd file
 206 2nd line 2nd file
 207 EOF
 208 test_expect_success '--soft reset only should show changes in diff --cached' '
 209         git reset --soft HEAD^ &&
 210         check_changes d1a4bc3abce4829628ae2dcb0d60ef3d1a78b1c4 &&
 211         test "$(git rev-parse ORIG_HEAD)" = \
 212                         $head5
 213 '
 214
 215 >.diff_expect
 216 >.cached_expect
 217 cat >.cat_expect <<EOF
 218 secondfile:
 219 1st line 2nd file
 220 2nd line 2nd file
 221 3rd line 2nd file
 222 EOF
 223 test_expect_success \
 224         'changing files and redo the last commit should succeed' '
 225         echo "3rd line 2nd file" >>secondfile &&
 226         git commit -a -C ORIG_HEAD &&
 227         head4=$(git rev-parse --verify HEAD) &&
 228         check_changes $head4 &&
 229         test "$(git rev-parse ORIG_HEAD)" = \
 230                         $head5
 231 '
 232
 233 >.diff_expect
 234 >.cached_expect
 235 cat >.cat_expect <<EOF
 236 first:
 237 1st file
 238 2nd line 1st file
 239 second:
 240 2nd file
 241 EOF
 242 test_expect_success \
 243         '--hard reset should change the files and undo commits permanently' '
 244         git reset --hard HEAD~2 &&
 245         check_changes ddaefe00f1da16864591c61fdc7adb5d7cd6b74e &&
 246         test "$(git rev-parse ORIG_HEAD)" = \
 247                         $head4
 248 '
 249
 250 >.diff_expect
 251 cat >.cached_expect <<EOF
 252 diff --git a/first b/first
 253 deleted file mode 100644
 254 index 8206c22..0000000
 255 --- a/first
 256 +++ /dev/null
 257 @@ -1,2 +0,0 @@
 258 -1st file
 259 -2nd line 1st file
 260 diff --git a/second b/second
 261 deleted file mode 100644
 262 index 1bbba79..0000000
 263 --- a/second
 264 +++ /dev/null
 265 @@ -1 +0,0 @@
 266 -2nd file
 267 diff --git a/secondfile b/secondfile
 268 new file mode 100644
 269 index 0000000..44c5b58
 270 --- /dev/null
 271 +++ b/secondfile
 272 @@ -0,0 +1,2 @@
 273 +1st line 2nd file
 274 +2nd line 2nd file
 275 EOF
 276 cat >.cat_expect <<EOF
 277 secondfile:
 278 1st line 2nd file
 279 2nd line 2nd file
 280 EOF
 281 test_expect_success \
 282         'redoing changes adding them without commit them should succeed' '
 283         git rm first &&
 284         git mv second secondfile &&
 285
 286         echo "1st line 2nd file" >secondfile &&
 287         echo "2nd line 2nd file" >>secondfile &&
 288         git add secondfile &&
 289         check_changes ddaefe00f1da16864591c61fdc7adb5d7cd6b74e
 290 '
 291
 292 cat >.diff_expect <<EOF
 293 diff --git a/first b/first
 294 deleted file mode 100644
 295 index 8206c22..0000000
 296 --- a/first
 297 +++ /dev/null
 298 @@ -1,2 +0,0 @@
 299 -1st file
 300 -2nd line 1st file
 301 diff --git a/second b/second
 302 deleted file mode 100644
 303 index 1bbba79..0000000
 304 --- a/second
 305 +++ /dev/null
 306 @@ -1 +0,0 @@
 307 -2nd file
 308 EOF
 309 >.cached_expect
 310 cat >.cat_expect <<EOF
 311 secondfile:
 312 1st line 2nd file
 313 2nd line 2nd file
 314 EOF
 315 test_expect_success '--mixed reset to HEAD should unadd the files' '
 316         git reset &&
 317         check_changes ddaefe00f1da16864591c61fdc7adb5d7cd6b74e &&
 318         test "$(git rev-parse ORIG_HEAD)" = \
 319                         ddaefe00f1da16864591c61fdc7adb5d7cd6b74e
 320 '
 321
 322 >.diff_expect
 323 >.cached_expect
 324 cat >.cat_expect <<EOF
 325 secondfile:
 326 1st line 2nd file
 327 2nd line 2nd file
 328 EOF
 329 test_expect_success 'redoing the last two commits should succeed' '
 330         git add secondfile &&
 331         git reset --hard ddaefe00f1da16864591c61fdc7adb5d7cd6b74e &&
 332
 333         git rm first &&
 334         git mv second secondfile &&
 335         git commit -a -m "remove 1st and rename 2nd" &&
 336
 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 - &&
 342         check_changes $head5
 343 '
 344
 345 >.diff_expect
 346 >.cached_expect
 347 cat >.cat_expect <<EOF
 348 secondfile:
 349 1st line 2nd file
 350 2nd line 2nd file
 351 3rd line in branch2
 352 EOF
 353 test_expect_success '--hard reset to HEAD should clear a failed merge' '
 354         git branch branch1 &&
 355         git branch branch2 &&
 356
 357         git checkout branch1 &&
 358         echo "3rd line in branch1" >>secondfile &&
 359         git commit -a -m "change in branch1" &&
 360
 361         git checkout branch2 &&
 362         echo "3rd line in branch2" >>secondfile &&
 363         git commit -a -m "change in branch2" &&
 364         head3=$(git rev-parse --verify HEAD) &&
 365
 366         test_must_fail git pull . branch1 &&
 367         git reset --hard &&
 368         check_changes $head3
 369 '
 370
 371 >.diff_expect
 372 >.cached_expect
 373 cat >.cat_expect <<EOF
 374 secondfile:
 375 1st line 2nd file
 376 2nd line 2nd file
 377 EOF
 378 test_expect_success \
 379         '--hard reset to ORIG_HEAD should clear a fast-forward merge' '
 380         git reset --hard HEAD^ &&
 381         check_changes $head5 &&
 382
 383         git pull . branch1 &&
 384         git reset --hard ORIG_HEAD &&
 385         check_changes $head5 &&
 386
 387         git checkout master &&
 388         git branch -D branch1 branch2 &&
 389         check_changes $head5
 390 '
 391
 392 cat > expect << EOF
 393 diff --git a/file1 b/file1
 394 index d00491f..7ed6ff8 100644
 395 --- a/file1
 396 +++ b/file1
 397 @@ -1 +1 @@
 398 -1
 399 +5
 400 diff --git a/file2 b/file2
 401 deleted file mode 100644
 402 index 0cfbf08..0000000
 403 --- a/file2
 404 +++ /dev/null
 405 @@ -1 +0,0 @@
 406 -2
 407 EOF
 408 cat > cached_expect << EOF
 409 diff --git a/file4 b/file4
 410 new file mode 100644
 411 index 0000000..b8626c4
 412 --- /dev/null
 413 +++ b/file4
 414 @@ -0,0 +1 @@
 415 +4
 416 EOF
 417 test_expect_success 'test --mixed <paths>' '
 418         echo 1 > file1 &&
 419         echo 2 > file2 &&
 420         git add file1 file2 &&
 421         test_tick &&
 422         git commit -m files &&
 423         git rm file2 &&
 424         echo 3 > file3 &&
 425         echo 4 > file4 &&
 426         echo 5 > file1 &&
 427         git add file1 file3 file4 &&
 428         git reset HEAD -- file1 file2 file3 &&
 429         test_must_fail git diff --quiet &&
 430         git diff > output &&
 431         test_cmp expect output &&
 432         git diff --cached > output &&
 433         test_cmp cached_expect output
 434 '
 435
 436 test_expect_success 'test resetting the index at give paths' '
 437
 438         mkdir sub &&
 439         >sub/file1 &&
 440         >sub/file2 &&
 441         git update-index --add sub/file1 sub/file2 &&
 442         T=$(git write-tree) &&
 443         git reset HEAD sub/file2 &&
 444         test_must_fail git diff --quiet &&
 445         U=$(git write-tree) &&
 446         echo "$T" &&
 447         echo "$U" &&
 448         test_must_fail git diff-index --cached --exit-code "$T" &&
 449         test "$T" != "$U"
 450
 451 '
 452
 453 test_expect_success 'resetting an unmodified path is a no-op' '
 454         git reset --hard &&
 455         git reset -- file1 &&
 456         git diff-files --exit-code &&
 457         git diff-index --cached --exit-code HEAD
 458 '
 459
 460 cat > expect << EOF
 461 Unstaged changes after reset:
 462 M       file2
 463 EOF
 464
 465 test_expect_success '--mixed refreshes the index' '
 466         echo 123 >> file2 &&
 467         git reset --mixed HEAD > output &&
 468         test_i18ncmp expect output
 469 '
 470
 471 test_expect_success 'resetting specific path that is unmerged' '
 472         git rm --cached file2 &&
 473         F1=$(git rev-parse HEAD:file1) &&
 474         F2=$(git rev-parse HEAD:file2) &&
 475         F3=$(git rev-parse HEAD:secondfile) &&
 476         {
 477                 echo "100644 $F1 1      file2" &&
 478                 echo "100644 $F2 2      file2" &&
 479                 echo "100644 $F3 3      file2"
 480         } | git update-index --index-info &&
 481         git ls-files -u &&
 482         git reset HEAD file2 &&
 483         test_must_fail git diff --quiet &&
 484         git diff-index --exit-code --cached HEAD
 485 '
 486
 487 test_expect_success 'disambiguation (1)' '
 488
 489         git reset --hard &&
 490         >secondfile &&
 491         git add secondfile &&
 492         git reset secondfile &&
 493         test_must_fail git diff --quiet -- secondfile &&
 494         test -z "$(git diff --cached --name-only)" &&
 495         test -f secondfile &&
 496         test_must_be_empty secondfile
 497
 498 '
 499
 500 test_expect_success 'disambiguation (2)' '
 501
 502         git reset --hard &&
 503         >secondfile &&
 504         git add secondfile &&
 505         rm -f secondfile &&
 506         test_must_fail git reset secondfile &&
 507         test -n "$(git diff --cached --name-only -- secondfile)" &&
 508         test ! -f secondfile
 509
 510 '
 511
 512 test_expect_success 'disambiguation (3)' '
 513
 514         git reset --hard &&
 515         >secondfile &&
 516         git add secondfile &&
 517         rm -f secondfile &&
 518         git reset HEAD secondfile &&
 519         test_must_fail git diff --quiet &&
 520         test -z "$(git diff --cached --name-only)" &&
 521         test ! -f secondfile
 522
 523 '
 524
 525 test_expect_success 'disambiguation (4)' '
 526
 527         git reset --hard &&
 528         >secondfile &&
 529         git add secondfile &&
 530         rm -f secondfile &&
 531         git reset -- secondfile &&
 532         test_must_fail git diff --quiet &&
 533         test -z "$(git diff --cached --name-only)" &&
 534         test ! -f secondfile
 535 '
 536
 537 test_expect_success 'reset with paths accepts tree' '
 538         # for simpler tests, drop last commit containing added files
 539         git reset --hard HEAD^ &&
 540         git reset HEAD^^{tree} -- . &&
 541         git diff --cached HEAD^ --exit-code &&
 542         git diff HEAD --exit-code
 543 '
 544
 545 test_expect_success 'reset -N keeps removed files as intent-to-add' '
 546         echo new-file >new-file &&
 547         git add new-file &&
 548         git reset -N HEAD &&
 549
 550         tree=$(git write-tree) &&
 551         git ls-tree $tree new-file >actual &&
 552         test_must_be_empty actual &&
 553
 554         git diff --name-only >actual &&
 555         echo new-file >expect &&
 556         test_cmp expect actual
 557 '
 558
 559 test_expect_success 'reset --mixed sets up work tree' '
 560         git init mixed_worktree &&
 561         (
 562                 cd mixed_worktree &&
 563                 test_commit dummy
 564         ) &&
 565         git --git-dir=mixed_worktree/.git --work-tree=mixed_worktree reset >actual &&
 566         test_must_be_empty actual
 567 '
 568
 569 test_done