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 test_expect_success 'creating initial files and commits' '
  26         test_tick &&
  27         echo "1st file" >first &&
  28         git add first &&
  29         git commit -m "create 1st file" &&
  30
  31         echo "2nd file" >second &&
  32         git add second &&
  33         git commit -m "create 2nd file" &&
  34
  35         echo "2nd line 1st file" >>first &&
  36         git commit -a -m "modify 1st file" &&
  37
  38         git rm first &&
  39         git mv second secondfile &&
  40         git commit -a -m "remove 1st and rename 2nd" &&
  41
  42         echo "1st line 2nd file" >secondfile &&
  43         echo "2nd line 2nd file" >>secondfile &&
  44         # "git commit -m" would break MinGW, as Windows refuse to pass
  45         # iso8859-1 encoded parameter to git.
  46         commit_msg iso8859-1 | git -c "i18n.commitEncoding=iso8859-1" commit -a -F - &&
  47         head5=$(git rev-parse --verify HEAD)
  48 '
  49 # git log --pretty=oneline # to see those SHA1 involved
  50
  51 check_changes () {
  52         test "$(git rev-parse HEAD)" = "$1" &&
  53         git diff | test_cmp .diff_expect - &&
  54         git diff --cached | test_cmp .cached_expect - &&
  55         for FILE in *
  56         do
  57                 echo $FILE':'
  58                 cat $FILE || return
  59         done | test_cmp .cat_expect -
  60 }
  61
  62 test_expect_success 'reset --hard message' '
  63         hex=$(git log -1 --format="%h") &&
  64         git reset --hard > .actual &&
  65         echo HEAD is now at $hex $(commit_msg) > .expected &&
  66         test_cmp .expected .actual
  67 '
  68
  69 test_expect_success 'reset --hard message (iso8859-1 logoutputencoding)' '
  70         hex=$(git log -1 --format="%h") &&
  71         git -c "i18n.logOutputEncoding=iso8859-1" reset --hard > .actual &&
  72         echo HEAD is now at $hex $(commit_msg iso8859-1) > .expected &&
  73         test_cmp .expected .actual
  74 '
  75
  76 >.diff_expect
  77 >.cached_expect
  78 cat >.cat_expect <<EOF
  79 secondfile:
  80 1st line 2nd file
  81 2nd line 2nd file
  82 EOF
  83
  84 test_expect_success 'giving a non existing revision should fail' '
  85         test_must_fail git reset aaaaaa &&
  86         test_must_fail git reset --mixed aaaaaa &&
  87         test_must_fail git reset --soft aaaaaa &&
  88         test_must_fail git reset --hard aaaaaa &&
  89         check_changes $head5
  90 '
  91
  92 test_expect_success 'reset --soft with unmerged index should fail' '
  93         touch .git/MERGE_HEAD &&
  94         echo "100644 44c5b5884550c17758737edcced463447b91d42b 1 un" |
  95                 git update-index --index-info &&
  96         test_must_fail git reset --soft HEAD &&
  97         rm .git/MERGE_HEAD &&
  98         git rm --cached -- un
  99 '
 100
 101 test_expect_success \
 102         'giving paths with options different than --mixed should fail' '
 103         test_must_fail git reset --soft -- first &&
 104         test_must_fail git reset --hard -- first &&
 105         test_must_fail git reset --soft HEAD^ -- first &&
 106         test_must_fail git reset --hard HEAD^ -- first &&
 107         check_changes $head5
 108 '
 109
 110 test_expect_success 'giving unrecognized options should fail' '
 111         test_must_fail git reset --other &&
 112         test_must_fail git reset -o &&
 113         test_must_fail git reset --mixed --other &&
 114         test_must_fail git reset --mixed -o &&
 115         test_must_fail git reset --soft --other &&
 116         test_must_fail git reset --soft -o &&
 117         test_must_fail git reset --hard --other &&
 118         test_must_fail git reset --hard -o &&
 119         check_changes $head5
 120 '
 121
 122 test_expect_success \
 123         'trying to do reset --soft with pending merge should fail' '
 124         git branch branch1 &&
 125         git branch branch2 &&
 126
 127         git checkout branch1 &&
 128         echo "3rd line in branch1" >>secondfile &&
 129         git commit -a -m "change in branch1" &&
 130
 131         git checkout branch2 &&
 132         echo "3rd line in branch2" >>secondfile &&
 133         git commit -a -m "change in branch2" &&
 134
 135         test_must_fail git merge branch1 &&
 136         test_must_fail git reset --soft &&
 137
 138         printf "1st line 2nd file\n2nd line 2nd file\n3rd line" >secondfile &&
 139         git commit -a -m "the change in branch2" &&
 140
 141         git checkout master &&
 142         git branch -D branch1 branch2 &&
 143         check_changes $head5
 144 '
 145
 146 test_expect_success \
 147         'trying to do reset --soft with pending checkout merge should fail' '
 148         git branch branch3 &&
 149         git branch branch4 &&
 150
 151         git checkout branch3 &&
 152         echo "3rd line in branch3" >>secondfile &&
 153         git commit -a -m "line in branch3" &&
 154
 155         git checkout branch4 &&
 156         echo "3rd line in branch4" >>secondfile &&
 157
 158         git checkout -m branch3 &&
 159         test_must_fail git reset --soft &&
 160
 161         printf "1st line 2nd file\n2nd line 2nd file\n3rd line" >secondfile &&
 162         git commit -a -m "the line in branch3" &&
 163
 164         git checkout master &&
 165         git branch -D branch3 branch4 &&
 166         check_changes $head5
 167 '
 168
 169 test_expect_success \
 170         'resetting to HEAD with no changes should succeed and do nothing' '
 171         git reset --hard &&
 172                 check_changes $head5 &&
 173         git reset --hard HEAD &&
 174                 check_changes $head5 &&
 175         git reset --soft &&
 176                 check_changes $head5 &&
 177         git reset --soft HEAD &&
 178                 check_changes $head5 &&
 179         git reset --mixed &&
 180                 check_changes $head5 &&
 181         git reset --mixed HEAD &&
 182                 check_changes $head5 &&
 183         git reset &&
 184                 check_changes $head5 &&
 185         git reset HEAD &&
 186                 check_changes $head5
 187 '
 188
 189 >.diff_expect
 190 cat >.cached_expect <<EOF
 191 diff --git a/secondfile b/secondfile
 192 index 1bbba79..44c5b58 100644
 193 --- a/secondfile
 194 +++ b/secondfile
 195 @@ -1 +1,2 @@
 196 -2nd file
 197 +1st line 2nd file
 198 +2nd line 2nd file
 199 EOF
 200 cat >.cat_expect <<EOF
 201 secondfile:
 202 1st line 2nd file
 203 2nd line 2nd file
 204 EOF
 205 test_expect_success '--soft reset only should show changes in diff --cached' '
 206         git reset --soft HEAD^ &&
 207         check_changes d1a4bc3abce4829628ae2dcb0d60ef3d1a78b1c4 &&
 208         test "$(git rev-parse ORIG_HEAD)" = \
 209                         $head5
 210 '
 211
 212 >.diff_expect
 213 >.cached_expect
 214 cat >.cat_expect <<EOF
 215 secondfile:
 216 1st line 2nd file
 217 2nd line 2nd file
 218 3rd line 2nd file
 219 EOF
 220 test_expect_success \
 221         'changing files and redo the last commit should succeed' '
 222         echo "3rd line 2nd file" >>secondfile &&
 223         git commit -a -C ORIG_HEAD &&
 224         head4=$(git rev-parse --verify HEAD) &&
 225         check_changes $head4 &&
 226         test "$(git rev-parse ORIG_HEAD)" = \
 227                         $head5
 228 '
 229
 230 >.diff_expect
 231 >.cached_expect
 232 cat >.cat_expect <<EOF
 233 first:
 234 1st file
 235 2nd line 1st file
 236 second:
 237 2nd file
 238 EOF
 239 test_expect_success \
 240         '--hard reset should change the files and undo commits permanently' '
 241         git reset --hard HEAD~2 &&
 242         check_changes ddaefe00f1da16864591c61fdc7adb5d7cd6b74e &&
 243         test "$(git rev-parse ORIG_HEAD)" = \
 244                         $head4
 245 '
 246
 247 >.diff_expect
 248 cat >.cached_expect <<EOF
 249 diff --git a/first b/first
 250 deleted file mode 100644
 251 index 8206c22..0000000
 252 --- a/first
 253 +++ /dev/null
 254 @@ -1,2 +0,0 @@
 255 -1st file
 256 -2nd line 1st file
 257 diff --git a/second b/second
 258 deleted file mode 100644
 259 index 1bbba79..0000000
 260 --- a/second
 261 +++ /dev/null
 262 @@ -1 +0,0 @@
 263 -2nd file
 264 diff --git a/secondfile b/secondfile
 265 new file mode 100644
 266 index 0000000..44c5b58
 267 --- /dev/null
 268 +++ b/secondfile
 269 @@ -0,0 +1,2 @@
 270 +1st line 2nd file
 271 +2nd line 2nd file
 272 EOF
 273 cat >.cat_expect <<EOF
 274 secondfile:
 275 1st line 2nd file
 276 2nd line 2nd file
 277 EOF
 278 test_expect_success \
 279         'redoing changes adding them without commit them should succeed' '
 280         git rm first &&
 281         git mv second secondfile &&
 282
 283         echo "1st line 2nd file" >secondfile &&
 284         echo "2nd line 2nd file" >>secondfile &&
 285         git add secondfile &&
 286         check_changes ddaefe00f1da16864591c61fdc7adb5d7cd6b74e
 287 '
 288
 289 cat >.diff_expect <<EOF
 290 diff --git a/first b/first
 291 deleted file mode 100644
 292 index 8206c22..0000000
 293 --- a/first
 294 +++ /dev/null
 295 @@ -1,2 +0,0 @@
 296 -1st file
 297 -2nd line 1st file
 298 diff --git a/second b/second
 299 deleted file mode 100644
 300 index 1bbba79..0000000
 301 --- a/second
 302 +++ /dev/null
 303 @@ -1 +0,0 @@
 304 -2nd file
 305 EOF
 306 >.cached_expect
 307 cat >.cat_expect <<EOF
 308 secondfile:
 309 1st line 2nd file
 310 2nd line 2nd file
 311 EOF
 312 test_expect_success '--mixed reset to HEAD should unadd the files' '
 313         git reset &&
 314         check_changes ddaefe00f1da16864591c61fdc7adb5d7cd6b74e &&
 315         test "$(git rev-parse ORIG_HEAD)" = \
 316                         ddaefe00f1da16864591c61fdc7adb5d7cd6b74e
 317 '
 318
 319 >.diff_expect
 320 >.cached_expect
 321 cat >.cat_expect <<EOF
 322 secondfile:
 323 1st line 2nd file
 324 2nd line 2nd file
 325 EOF
 326 test_expect_success 'redoing the last two commits should succeed' '
 327         git add secondfile &&
 328         git reset --hard ddaefe00f1da16864591c61fdc7adb5d7cd6b74e &&
 329
 330         git rm first &&
 331         git mv second secondfile &&
 332         git commit -a -m "remove 1st and rename 2nd" &&
 333
 334         echo "1st line 2nd file" >secondfile &&
 335         echo "2nd line 2nd file" >>secondfile &&
 336         # "git commit -m" would break MinGW, as Windows refuse to pass
 337         # iso8859-1 encoded parameter to git.
 338         commit_msg iso8859-1 | git -c "i18n.commitEncoding=iso8859-1" commit -a -F - &&
 339         check_changes $head5
 340 '
 341
 342 >.diff_expect
 343 >.cached_expect
 344 cat >.cat_expect <<EOF
 345 secondfile:
 346 1st line 2nd file
 347 2nd line 2nd file
 348 3rd line in branch2
 349 EOF
 350 test_expect_success '--hard reset to HEAD should clear a failed merge' '
 351         git branch branch1 &&
 352         git branch branch2 &&
 353
 354         git checkout branch1 &&
 355         echo "3rd line in branch1" >>secondfile &&
 356         git commit -a -m "change in branch1" &&
 357
 358         git checkout branch2 &&
 359         echo "3rd line in branch2" >>secondfile &&
 360         git commit -a -m "change in branch2" &&
 361         head3=$(git rev-parse --verify HEAD) &&
 362
 363         test_must_fail git pull . branch1 &&
 364         git reset --hard &&
 365         check_changes $head3
 366 '
 367
 368 >.diff_expect
 369 >.cached_expect
 370 cat >.cat_expect <<EOF
 371 secondfile:
 372 1st line 2nd file
 373 2nd line 2nd file
 374 EOF
 375 test_expect_success \
 376         '--hard reset to ORIG_HEAD should clear a fast-forward merge' '
 377         git reset --hard HEAD^ &&
 378         check_changes $head5 &&
 379
 380         git pull . branch1 &&
 381         git reset --hard ORIG_HEAD &&
 382         check_changes $head5 &&
 383
 384         git checkout master &&
 385         git branch -D branch1 branch2 &&
 386         check_changes $head5
 387 '
 388
 389 cat > expect << EOF
 390 diff --git a/file1 b/file1
 391 index d00491f..7ed6ff8 100644
 392 --- a/file1
 393 +++ b/file1
 394 @@ -1 +1 @@
 395 -1
 396 +5
 397 diff --git a/file2 b/file2
 398 deleted file mode 100644
 399 index 0cfbf08..0000000
 400 --- a/file2
 401 +++ /dev/null
 402 @@ -1 +0,0 @@
 403 -2
 404 EOF
 405 cat > cached_expect << EOF
 406 diff --git a/file4 b/file4
 407 new file mode 100644
 408 index 0000000..b8626c4
 409 --- /dev/null
 410 +++ b/file4
 411 @@ -0,0 +1 @@
 412 +4
 413 EOF
 414 test_expect_success 'test --mixed <paths>' '
 415         echo 1 > file1 &&
 416         echo 2 > file2 &&
 417         git add file1 file2 &&
 418         test_tick &&
 419         git commit -m files &&
 420         git rm file2 &&
 421         echo 3 > file3 &&
 422         echo 4 > file4 &&
 423         echo 5 > file1 &&
 424         git add file1 file3 file4 &&
 425         git reset HEAD -- file1 file2 file3 &&
 426         test_must_fail git diff --quiet &&
 427         git diff > output &&
 428         test_cmp output expect &&
 429         git diff --cached > output &&
 430         test_cmp output cached_expect
 431 '
 432
 433 test_expect_success 'test resetting the index at give paths' '
 434
 435         mkdir sub &&
 436         >sub/file1 &&
 437         >sub/file2 &&
 438         git update-index --add sub/file1 sub/file2 &&
 439         T=$(git write-tree) &&
 440         git reset HEAD sub/file2 &&
 441         test_must_fail git diff --quiet &&
 442         U=$(git write-tree) &&
 443         echo "$T" &&
 444         echo "$U" &&
 445         test_must_fail git diff-index --cached --exit-code "$T" &&
 446         test "$T" != "$U"
 447
 448 '
 449
 450 test_expect_success 'resetting an unmodified path is a no-op' '
 451         git reset --hard &&
 452         git reset -- file1 &&
 453         git diff-files --exit-code &&
 454         git diff-index --cached --exit-code HEAD
 455 '
 456
 457 cat > expect << EOF
 458 Unstaged changes after reset:
 459 M       file2
 460 EOF
 461
 462 test_expect_success '--mixed refreshes the index' '
 463         echo 123 >> file2 &&
 464         git reset --mixed HEAD > output &&
 465         test_i18ncmp expect output
 466 '
 467
 468 test_expect_success 'resetting specific path that is unmerged' '
 469         git rm --cached file2 &&
 470         F1=$(git rev-parse HEAD:file1) &&
 471         F2=$(git rev-parse HEAD:file2) &&
 472         F3=$(git rev-parse HEAD:secondfile) &&
 473         {
 474                 echo "100644 $F1 1      file2" &&
 475                 echo "100644 $F2 2      file2" &&
 476                 echo "100644 $F3 3      file2"
 477         } | git update-index --index-info &&
 478         git ls-files -u &&
 479         git reset HEAD file2 &&
 480         test_must_fail git diff --quiet &&
 481         git diff-index --exit-code --cached HEAD
 482 '
 483
 484 test_expect_success 'disambiguation (1)' '
 485
 486         git reset --hard &&
 487         >secondfile &&
 488         git add secondfile &&
 489         git reset secondfile &&
 490         test_must_fail git diff --quiet -- secondfile &&
 491         test -z "$(git diff --cached --name-only)" &&
 492         test -f secondfile &&
 493         test_must_be_empty secondfile
 494
 495 '
 496
 497 test_expect_success 'disambiguation (2)' '
 498
 499         git reset --hard &&
 500         >secondfile &&
 501         git add secondfile &&
 502         rm -f secondfile &&
 503         test_must_fail git reset secondfile &&
 504         test -n "$(git diff --cached --name-only -- secondfile)" &&
 505         test ! -f secondfile
 506
 507 '
 508
 509 test_expect_success 'disambiguation (3)' '
 510
 511         git reset --hard &&
 512         >secondfile &&
 513         git add secondfile &&
 514         rm -f secondfile &&
 515         git reset HEAD secondfile &&
 516         test_must_fail git diff --quiet &&
 517         test -z "$(git diff --cached --name-only)" &&
 518         test ! -f secondfile
 519
 520 '
 521
 522 test_expect_success 'disambiguation (4)' '
 523
 524         git reset --hard &&
 525         >secondfile &&
 526         git add secondfile &&
 527         rm -f secondfile &&
 528         git reset -- secondfile &&
 529         test_must_fail git diff --quiet &&
 530         test -z "$(git diff --cached --name-only)" &&
 531         test ! -f secondfile
 532 '
 533
 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
 540 '
 541
 542 test_expect_success 'reset --mixed sets up work tree' '
 543         git init mixed_worktree &&
 544         (
 545                 cd mixed_worktree &&
 546                 test_commit dummy
 547         ) &&
 548         : >expect &&
 549         git --git-dir=mixed_worktree/.git --work-tree=mixed_worktree reset >actual &&
 550         test_cmp expect actual
 551 '
 552
 553 test_done