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 -c "i18n.commitEncoding=iso8859-1" commit -a -m "$(commit_msg iso8859-1)" &&
  45         head5=$(git rev-parse --verify HEAD)
  46 '
  47 # git log --pretty=oneline # to see those SHA1 involved
  48
  49 check_changes () {
  50         test "$(git rev-parse HEAD)" = "$1" &&
  51         git diff | test_cmp .diff_expect - &&
  52         git diff --cached | test_cmp .cached_expect - &&
  53         for FILE in *
  54         do
  55                 echo $FILE':'
  56                 cat $FILE || return
  57         done | test_cmp .cat_expect -
  58 }
  59
  60 test_expect_success 'reset --hard message' '
  61         hex=$(git log -1 --format="%h") &&
  62         git reset --hard > .actual &&
  63         echo HEAD is now at $hex $(commit_msg) > .expected &&
  64         test_cmp .expected .actual
  65 '
  66
  67 test_expect_success 'reset --hard message (iso8859-1 logoutputencoding)' '
  68         hex=$(git log -1 --format="%h") &&
  69         git -c "i18n.logOutputEncoding=iso8859-1" reset --hard > .actual &&
  70         echo HEAD is now at $hex $(commit_msg iso8859-1) > .expected &&
  71         test_cmp .expected .actual
  72 '
  73
  74 >.diff_expect
  75 >.cached_expect
  76 cat >.cat_expect <<EOF
  77 secondfile:
  78 1st line 2nd file
  79 2nd line 2nd file
  80 EOF
  81
  82 test_expect_success 'giving a non existing revision should fail' '
  83         test_must_fail git reset aaaaaa &&
  84         test_must_fail git reset --mixed aaaaaa &&
  85         test_must_fail git reset --soft aaaaaa &&
  86         test_must_fail git reset --hard aaaaaa &&
  87         check_changes $head5
  88 '
  89
  90 test_expect_success 'reset --soft with unmerged index should fail' '
  91         touch .git/MERGE_HEAD &&
  92         echo "100644 44c5b5884550c17758737edcced463447b91d42b 1 un" |
  93                 git update-index --index-info &&
  94         test_must_fail git reset --soft HEAD &&
  95         rm .git/MERGE_HEAD &&
  96         git rm --cached -- un
  97 '
  98
  99 test_expect_success \
 100         'giving paths with options different than --mixed should fail' '
 101         test_must_fail git reset --soft -- first &&
 102         test_must_fail git reset --hard -- first &&
 103         test_must_fail git reset --soft HEAD^ -- first &&
 104         test_must_fail git reset --hard HEAD^ -- first &&
 105         check_changes $head5
 106 '
 107
 108 test_expect_success 'giving unrecognized options should fail' '
 109         test_must_fail git reset --other &&
 110         test_must_fail git reset -o &&
 111         test_must_fail git reset --mixed --other &&
 112         test_must_fail git reset --mixed -o &&
 113         test_must_fail git reset --soft --other &&
 114         test_must_fail git reset --soft -o &&
 115         test_must_fail git reset --hard --other &&
 116         test_must_fail git reset --hard -o &&
 117         check_changes $head5
 118 '
 119
 120 test_expect_success \
 121         'trying to do reset --soft with pending merge should fail' '
 122         git branch branch1 &&
 123         git branch branch2 &&
 124
 125         git checkout branch1 &&
 126         echo "3rd line in branch1" >>secondfile &&
 127         git commit -a -m "change in branch1" &&
 128
 129         git checkout branch2 &&
 130         echo "3rd line in branch2" >>secondfile &&
 131         git commit -a -m "change in branch2" &&
 132
 133         test_must_fail git merge branch1 &&
 134         test_must_fail git reset --soft &&
 135
 136         printf "1st line 2nd file\n2nd line 2nd file\n3rd line" >secondfile &&
 137         git commit -a -m "the change in branch2" &&
 138
 139         git checkout master &&
 140         git branch -D branch1 branch2 &&
 141         check_changes $head5
 142 '
 143
 144 test_expect_success \
 145         'trying to do reset --soft with pending checkout merge should fail' '
 146         git branch branch3 &&
 147         git branch branch4 &&
 148
 149         git checkout branch3 &&
 150         echo "3rd line in branch3" >>secondfile &&
 151         git commit -a -m "line in branch3" &&
 152
 153         git checkout branch4 &&
 154         echo "3rd line in branch4" >>secondfile &&
 155
 156         git checkout -m branch3 &&
 157         test_must_fail git reset --soft &&
 158
 159         printf "1st line 2nd file\n2nd line 2nd file\n3rd line" >secondfile &&
 160         git commit -a -m "the line in branch3" &&
 161
 162         git checkout master &&
 163         git branch -D branch3 branch4 &&
 164         check_changes $head5
 165 '
 166
 167 test_expect_success \
 168         'resetting to HEAD with no changes should succeed and do nothing' '
 169         git reset --hard &&
 170                 check_changes $head5 &&
 171         git reset --hard HEAD &&
 172                 check_changes $head5 &&
 173         git reset --soft &&
 174                 check_changes $head5 &&
 175         git reset --soft HEAD &&
 176                 check_changes $head5 &&
 177         git reset --mixed &&
 178                 check_changes $head5 &&
 179         git reset --mixed HEAD &&
 180                 check_changes $head5 &&
 181         git reset &&
 182                 check_changes $head5 &&
 183         git reset HEAD &&
 184                 check_changes $head5
 185 '
 186
 187 >.diff_expect
 188 cat >.cached_expect <<EOF
 189 diff --git a/secondfile b/secondfile
 190 index 1bbba79..44c5b58 100644
 191 --- a/secondfile
 192 +++ b/secondfile
 193 @@ -1 +1,2 @@
 194 -2nd file
 195 +1st line 2nd file
 196 +2nd line 2nd file
 197 EOF
 198 cat >.cat_expect <<EOF
 199 secondfile:
 200 1st line 2nd file
 201 2nd line 2nd file
 202 EOF
 203 test_expect_success '--soft reset only should show changes in diff --cached' '
 204         git reset --soft HEAD^ &&
 205         check_changes d1a4bc3abce4829628ae2dcb0d60ef3d1a78b1c4 &&
 206         test "$(git rev-parse ORIG_HEAD)" = \
 207                         $head5
 208 '
 209
 210 >.diff_expect
 211 >.cached_expect
 212 cat >.cat_expect <<EOF
 213 secondfile:
 214 1st line 2nd file
 215 2nd line 2nd file
 216 3rd line 2nd file
 217 EOF
 218 test_expect_success \
 219         'changing files and redo the last commit should succeed' '
 220         echo "3rd line 2nd file" >>secondfile &&
 221         git commit -a -C ORIG_HEAD &&
 222         head4=$(git rev-parse --verify HEAD) &&
 223         check_changes $head4 &&
 224         test "$(git rev-parse ORIG_HEAD)" = \
 225                         $head5
 226 '
 227
 228 >.diff_expect
 229 >.cached_expect
 230 cat >.cat_expect <<EOF
 231 first:
 232 1st file
 233 2nd line 1st file
 234 second:
 235 2nd file
 236 EOF
 237 test_expect_success \
 238         '--hard reset should change the files and undo commits permanently' '
 239         git reset --hard HEAD~2 &&
 240         check_changes ddaefe00f1da16864591c61fdc7adb5d7cd6b74e &&
 241         test "$(git rev-parse ORIG_HEAD)" = \
 242                         $head4
 243 '
 244
 245 >.diff_expect
 246 cat >.cached_expect <<EOF
 247 diff --git a/first b/first
 248 deleted file mode 100644
 249 index 8206c22..0000000
 250 --- a/first
 251 +++ /dev/null
 252 @@ -1,2 +0,0 @@
 253 -1st file
 254 -2nd line 1st file
 255 diff --git a/second b/second
 256 deleted file mode 100644
 257 index 1bbba79..0000000
 258 --- a/second
 259 +++ /dev/null
 260 @@ -1 +0,0 @@
 261 -2nd file
 262 diff --git a/secondfile b/secondfile
 263 new file mode 100644
 264 index 0000000..44c5b58
 265 --- /dev/null
 266 +++ b/secondfile
 267 @@ -0,0 +1,2 @@
 268 +1st line 2nd file
 269 +2nd line 2nd file
 270 EOF
 271 cat >.cat_expect <<EOF
 272 secondfile:
 273 1st line 2nd file
 274 2nd line 2nd file
 275 EOF
 276 test_expect_success \
 277         'redoing changes adding them without commit them should succeed' '
 278         git rm first &&
 279         git mv second secondfile &&
 280
 281         echo "1st line 2nd file" >secondfile &&
 282         echo "2nd line 2nd file" >>secondfile &&
 283         git add secondfile &&
 284         check_changes ddaefe00f1da16864591c61fdc7adb5d7cd6b74e
 285 '
 286
 287 cat >.diff_expect <<EOF
 288 diff --git a/first b/first
 289 deleted file mode 100644
 290 index 8206c22..0000000
 291 --- a/first
 292 +++ /dev/null
 293 @@ -1,2 +0,0 @@
 294 -1st file
 295 -2nd line 1st file
 296 diff --git a/second b/second
 297 deleted file mode 100644
 298 index 1bbba79..0000000
 299 --- a/second
 300 +++ /dev/null
 301 @@ -1 +0,0 @@
 302 -2nd file
 303 EOF
 304 >.cached_expect
 305 cat >.cat_expect <<EOF
 306 secondfile:
 307 1st line 2nd file
 308 2nd line 2nd file
 309 EOF
 310 test_expect_success '--mixed reset to HEAD should unadd the files' '
 311         git reset &&
 312         check_changes ddaefe00f1da16864591c61fdc7adb5d7cd6b74e &&
 313         test "$(git rev-parse ORIG_HEAD)" = \
 314                         ddaefe00f1da16864591c61fdc7adb5d7cd6b74e
 315 '
 316
 317 >.diff_expect
 318 >.cached_expect
 319 cat >.cat_expect <<EOF
 320 secondfile:
 321 1st line 2nd file
 322 2nd line 2nd file
 323 EOF
 324 test_expect_success 'redoing the last two commits should succeed' '
 325         git add secondfile &&
 326         git reset --hard ddaefe00f1da16864591c61fdc7adb5d7cd6b74e &&
 327
 328         git rm first &&
 329         git mv second secondfile &&
 330         git commit -a -m "remove 1st and rename 2nd" &&
 331
 332         echo "1st line 2nd file" >secondfile &&
 333         echo "2nd line 2nd file" >>secondfile &&
 334         git -c "i18n.commitEncoding=iso8859-1" commit -a -m "$(commit_msg iso8859-1)" &&
 335         check_changes $head5
 336 '
 337
 338 >.diff_expect
 339 >.cached_expect
 340 cat >.cat_expect <<EOF
 341 secondfile:
 342 1st line 2nd file
 343 2nd line 2nd file
 344 3rd line in branch2
 345 EOF
 346 test_expect_success '--hard reset to HEAD should clear a failed merge' '
 347         git branch branch1 &&
 348         git branch branch2 &&
 349
 350         git checkout branch1 &&
 351         echo "3rd line in branch1" >>secondfile &&
 352         git commit -a -m "change in branch1" &&
 353
 354         git checkout branch2 &&
 355         echo "3rd line in branch2" >>secondfile &&
 356         git commit -a -m "change in branch2" &&
 357         head3=$(git rev-parse --verify HEAD) &&
 358
 359         test_must_fail git pull . branch1 &&
 360         git reset --hard &&
 361         check_changes $head3
 362 '
 363
 364 >.diff_expect
 365 >.cached_expect
 366 cat >.cat_expect <<EOF
 367 secondfile:
 368 1st line 2nd file
 369 2nd line 2nd file
 370 EOF
 371 test_expect_success \
 372         '--hard reset to ORIG_HEAD should clear a fast-forward merge' '
 373         git reset --hard HEAD^ &&
 374         check_changes $head5 &&
 375
 376         git pull . branch1 &&
 377         git reset --hard ORIG_HEAD &&
 378         check_changes $head5 &&
 379
 380         git checkout master &&
 381         git branch -D branch1 branch2 &&
 382         check_changes $head5
 383 '
 384
 385 cat > expect << EOF
 386 diff --git a/file1 b/file1
 387 index d00491f..7ed6ff8 100644
 388 --- a/file1
 389 +++ b/file1
 390 @@ -1 +1 @@
 391 -1
 392 +5
 393 diff --git a/file2 b/file2
 394 deleted file mode 100644
 395 index 0cfbf08..0000000
 396 --- a/file2
 397 +++ /dev/null
 398 @@ -1 +0,0 @@
 399 -2
 400 EOF
 401 cat > cached_expect << EOF
 402 diff --git a/file4 b/file4
 403 new file mode 100644
 404 index 0000000..b8626c4
 405 --- /dev/null
 406 +++ b/file4
 407 @@ -0,0 +1 @@
 408 +4
 409 EOF
 410 test_expect_success 'test --mixed <paths>' '
 411         echo 1 > file1 &&
 412         echo 2 > file2 &&
 413         git add file1 file2 &&
 414         test_tick &&
 415         git commit -m files &&
 416         git rm file2 &&
 417         echo 3 > file3 &&
 418         echo 4 > file4 &&
 419         echo 5 > file1 &&
 420         git add file1 file3 file4 &&
 421         git reset HEAD -- file1 file2 file3 &&
 422         test_must_fail git diff --quiet &&
 423         git diff > output &&
 424         test_cmp output expect &&
 425         git diff --cached > output &&
 426         test_cmp output cached_expect
 427 '
 428
 429 test_expect_success 'test resetting the index at give paths' '
 430
 431         mkdir sub &&
 432         >sub/file1 &&
 433         >sub/file2 &&
 434         git update-index --add sub/file1 sub/file2 &&
 435         T=$(git write-tree) &&
 436         git reset HEAD sub/file2 &&
 437         test_must_fail git diff --quiet &&
 438         U=$(git write-tree) &&
 439         echo "$T" &&
 440         echo "$U" &&
 441         test_must_fail git diff-index --cached --exit-code "$T" &&
 442         test "$T" != "$U"
 443
 444 '
 445
 446 test_expect_success 'resetting an unmodified path is a no-op' '
 447         git reset --hard &&
 448         git reset -- file1 &&
 449         git diff-files --exit-code &&
 450         git diff-index --cached --exit-code HEAD
 451 '
 452
 453 cat > expect << EOF
 454 Unstaged changes after reset:
 455 M       file2
 456 EOF
 457
 458 test_expect_success '--mixed refreshes the index' '
 459         echo 123 >> file2 &&
 460         git reset --mixed HEAD > output &&
 461         test_i18ncmp expect output
 462 '
 463
 464 test_expect_success 'resetting specific path that is unmerged' '
 465         git rm --cached file2 &&
 466         F1=$(git rev-parse HEAD:file1) &&
 467         F2=$(git rev-parse HEAD:file2) &&
 468         F3=$(git rev-parse HEAD:secondfile) &&
 469         {
 470                 echo "100644 $F1 1      file2" &&
 471                 echo "100644 $F2 2      file2" &&
 472                 echo "100644 $F3 3      file2"
 473         } | git update-index --index-info &&
 474         git ls-files -u &&
 475         git reset HEAD file2 &&
 476         test_must_fail git diff --quiet &&
 477         git diff-index --exit-code --cached HEAD
 478 '
 479
 480 test_expect_success 'disambiguation (1)' '
 481
 482         git reset --hard &&
 483         >secondfile &&
 484         git add secondfile &&
 485         git reset secondfile &&
 486         test_must_fail git diff --quiet -- secondfile &&
 487         test -z "$(git diff --cached --name-only)" &&
 488         test -f secondfile &&
 489         test_must_be_empty secondfile
 490
 491 '
 492
 493 test_expect_success 'disambiguation (2)' '
 494
 495         git reset --hard &&
 496         >secondfile &&
 497         git add secondfile &&
 498         rm -f secondfile &&
 499         test_must_fail git reset secondfile &&
 500         test -n "$(git diff --cached --name-only -- secondfile)" &&
 501         test ! -f secondfile
 502
 503 '
 504
 505 test_expect_success 'disambiguation (3)' '
 506
 507         git reset --hard &&
 508         >secondfile &&
 509         git add secondfile &&
 510         rm -f secondfile &&
 511         git reset HEAD secondfile &&
 512         test_must_fail git diff --quiet &&
 513         test -z "$(git diff --cached --name-only)" &&
 514         test ! -f secondfile
 515
 516 '
 517
 518 test_expect_success 'disambiguation (4)' '
 519
 520         git reset --hard &&
 521         >secondfile &&
 522         git add secondfile &&
 523         rm -f secondfile &&
 524         git reset -- secondfile &&
 525         test_must_fail git diff --quiet &&
 526         test -z "$(git diff --cached --name-only)" &&
 527         test ! -f secondfile
 528 '
 529
 530 test_expect_success 'reset with paths accepts tree' '
 531         # for simpler tests, drop last commit containing added files
 532         git reset --hard HEAD^ &&
 533         git reset HEAD^^{tree} -- . &&
 534         git diff --cached HEAD^ --exit-code &&
 535         git diff HEAD --exit-code
 536 '
 537
 538 test_done