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 test_expect_success 'creating initial files and commits' '
  13         test_tick &&
  14         echo "1st file" >first &&
  15         git add first &&
  16         git commit -m "create 1st file" &&
  17
  18         echo "2nd file" >second &&
  19         git add second &&
  20         git commit -m "create 2nd file" &&
  21
  22         echo "2nd line 1st file" >>first &&
  23         git commit -a -m "modify 1st file" &&
  24
  25         git rm first &&
  26         git mv second secondfile &&
  27         git commit -a -m "remove 1st and rename 2nd" &&
  28
  29         echo "1st line 2nd file" >secondfile &&
  30         echo "2nd line 2nd file" >>secondfile &&
  31         git commit -a -m "modify 2nd file"
  32 '
  33 # git log --pretty=oneline # to see those SHA1 involved
  34
  35 check_changes () {
  36         test "$(git rev-parse HEAD)" = "$1" &&
  37         git diff | test_cmp .diff_expect - &&
  38         git diff --cached | test_cmp .cached_expect - &&
  39         for FILE in *
  40         do
  41                 echo $FILE':'
  42                 cat $FILE || return
  43         done | test_cmp .cat_expect -
  44 }
  45
  46 >.diff_expect
  47 >.cached_expect
  48 cat >.cat_expect <<EOF
  49 secondfile:
  50 1st line 2nd file
  51 2nd line 2nd file
  52 EOF
  53
  54 test_expect_success 'giving a non existing revision should fail' '
  55         test_must_fail git reset aaaaaa &&
  56         test_must_fail git reset --mixed aaaaaa &&
  57         test_must_fail git reset --soft aaaaaa &&
  58         test_must_fail git reset --hard aaaaaa &&
  59         check_changes 3ec39651e7f44ea531a5de18a9fa791c0fd370fc
  60 '
  61
  62 test_expect_success 'reset --soft with unmerged index should fail' '
  63         touch .git/MERGE_HEAD &&
  64         echo "100644 44c5b5884550c17758737edcced463447b91d42b 1 un" |
  65                 git update-index --index-info &&
  66         test_must_fail git reset --soft HEAD &&
  67         rm .git/MERGE_HEAD &&
  68         git rm --cached -- un
  69 '
  70
  71 test_expect_success \
  72         'giving paths with options different than --mixed should fail' '
  73         test_must_fail git reset --soft -- first &&
  74         test_must_fail git reset --hard -- first &&
  75         test_must_fail git reset --soft HEAD^ -- first &&
  76         test_must_fail git reset --hard HEAD^ -- first &&
  77         check_changes 3ec39651e7f44ea531a5de18a9fa791c0fd370fc
  78 '
  79
  80 test_expect_success 'giving unrecognized options should fail' '
  81         test_must_fail git reset --other &&
  82         test_must_fail git reset -o &&
  83         test_must_fail git reset --mixed --other &&
  84         test_must_fail git reset --mixed -o &&
  85         test_must_fail git reset --soft --other &&
  86         test_must_fail git reset --soft -o &&
  87         test_must_fail git reset --hard --other &&
  88         test_must_fail git reset --hard -o &&
  89         check_changes 3ec39651e7f44ea531a5de18a9fa791c0fd370fc
  90 '
  91
  92 test_expect_success \
  93         'trying to do reset --soft with pending merge should fail' '
  94         git branch branch1 &&
  95         git branch branch2 &&
  96
  97         git checkout branch1 &&
  98         echo "3rd line in branch1" >>secondfile &&
  99         git commit -a -m "change in branch1" &&
 100
 101         git checkout branch2 &&
 102         echo "3rd line in branch2" >>secondfile &&
 103         git commit -a -m "change in branch2" &&
 104
 105         test_must_fail git merge branch1 &&
 106         test_must_fail git reset --soft &&
 107
 108         printf "1st line 2nd file\n2nd line 2nd file\n3rd line" >secondfile &&
 109         git commit -a -m "the change in branch2" &&
 110
 111         git checkout master &&
 112         git branch -D branch1 branch2 &&
 113         check_changes 3ec39651e7f44ea531a5de18a9fa791c0fd370fc
 114 '
 115
 116 test_expect_success \
 117         'trying to do reset --soft with pending checkout merge should fail' '
 118         git branch branch3 &&
 119         git branch branch4 &&
 120
 121         git checkout branch3 &&
 122         echo "3rd line in branch3" >>secondfile &&
 123         git commit -a -m "line in branch3" &&
 124
 125         git checkout branch4 &&
 126         echo "3rd line in branch4" >>secondfile &&
 127
 128         git checkout -m branch3 &&
 129         test_must_fail git reset --soft &&
 130
 131         printf "1st line 2nd file\n2nd line 2nd file\n3rd line" >secondfile &&
 132         git commit -a -m "the line in branch3" &&
 133
 134         git checkout master &&
 135         git branch -D branch3 branch4 &&
 136         check_changes 3ec39651e7f44ea531a5de18a9fa791c0fd370fc
 137 '
 138
 139 test_expect_success \
 140         'resetting to HEAD with no changes should succeed and do nothing' '
 141         git reset --hard &&
 142                 check_changes 3ec39651e7f44ea531a5de18a9fa791c0fd370fc &&
 143         git reset --hard HEAD &&
 144                 check_changes 3ec39651e7f44ea531a5de18a9fa791c0fd370fc &&
 145         git reset --soft &&
 146                 check_changes 3ec39651e7f44ea531a5de18a9fa791c0fd370fc &&
 147         git reset --soft HEAD &&
 148                 check_changes 3ec39651e7f44ea531a5de18a9fa791c0fd370fc &&
 149         git reset --mixed &&
 150                 check_changes 3ec39651e7f44ea531a5de18a9fa791c0fd370fc &&
 151         git reset --mixed HEAD &&
 152                 check_changes 3ec39651e7f44ea531a5de18a9fa791c0fd370fc &&
 153         git reset &&
 154                 check_changes 3ec39651e7f44ea531a5de18a9fa791c0fd370fc &&
 155         git reset HEAD &&
 156                 check_changes 3ec39651e7f44ea531a5de18a9fa791c0fd370fc
 157 '
 158
 159 >.diff_expect
 160 cat >.cached_expect <<EOF
 161 diff --git a/secondfile b/secondfile
 162 index 1bbba79..44c5b58 100644
 163 --- a/secondfile
 164 +++ b/secondfile
 165 @@ -1 +1,2 @@
 166 -2nd file
 167 +1st line 2nd file
 168 +2nd line 2nd file
 169 EOF
 170 cat >.cat_expect <<EOF
 171 secondfile:
 172 1st line 2nd file
 173 2nd line 2nd file
 174 EOF
 175 test_expect_success '--soft reset only should show changes in diff --cached' '
 176         git reset --soft HEAD^ &&
 177         check_changes d1a4bc3abce4829628ae2dcb0d60ef3d1a78b1c4 &&
 178         test "$(git rev-parse ORIG_HEAD)" = \
 179                         3ec39651e7f44ea531a5de18a9fa791c0fd370fc
 180 '
 181
 182 >.diff_expect
 183 >.cached_expect
 184 cat >.cat_expect <<EOF
 185 secondfile:
 186 1st line 2nd file
 187 2nd line 2nd file
 188 3rd line 2nd file
 189 EOF
 190 test_expect_success \
 191         'changing files and redo the last commit should succeed' '
 192         echo "3rd line 2nd file" >>secondfile &&
 193         git commit -a -C ORIG_HEAD &&
 194         check_changes 3d3b7be011a58ca0c179ae45d94e6c83c0b0cd0d &&
 195         test "$(git rev-parse ORIG_HEAD)" = \
 196                         3ec39651e7f44ea531a5de18a9fa791c0fd370fc
 197 '
 198
 199 >.diff_expect
 200 >.cached_expect
 201 cat >.cat_expect <<EOF
 202 first:
 203 1st file
 204 2nd line 1st file
 205 second:
 206 2nd file
 207 EOF
 208 test_expect_success \
 209         '--hard reset should change the files and undo commits permanently' '
 210         git reset --hard HEAD~2 &&
 211         check_changes ddaefe00f1da16864591c61fdc7adb5d7cd6b74e &&
 212         test "$(git rev-parse ORIG_HEAD)" = \
 213                         3d3b7be011a58ca0c179ae45d94e6c83c0b0cd0d
 214 '
 215
 216 >.diff_expect
 217 cat >.cached_expect <<EOF
 218 diff --git a/first b/first
 219 deleted file mode 100644
 220 index 8206c22..0000000
 221 --- a/first
 222 +++ /dev/null
 223 @@ -1,2 +0,0 @@
 224 -1st file
 225 -2nd line 1st file
 226 diff --git a/second b/second
 227 deleted file mode 100644
 228 index 1bbba79..0000000
 229 --- a/second
 230 +++ /dev/null
 231 @@ -1 +0,0 @@
 232 -2nd file
 233 diff --git a/secondfile b/secondfile
 234 new file mode 100644
 235 index 0000000..44c5b58
 236 --- /dev/null
 237 +++ b/secondfile
 238 @@ -0,0 +1,2 @@
 239 +1st line 2nd file
 240 +2nd line 2nd file
 241 EOF
 242 cat >.cat_expect <<EOF
 243 secondfile:
 244 1st line 2nd file
 245 2nd line 2nd file
 246 EOF
 247 test_expect_success \
 248         'redoing changes adding them without commit them should succeed' '
 249         git rm first &&
 250         git mv second secondfile &&
 251
 252         echo "1st line 2nd file" >secondfile &&
 253         echo "2nd line 2nd file" >>secondfile &&
 254         git add secondfile &&
 255         check_changes ddaefe00f1da16864591c61fdc7adb5d7cd6b74e
 256 '
 257
 258 cat >.diff_expect <<EOF
 259 diff --git a/first b/first
 260 deleted file mode 100644
 261 index 8206c22..0000000
 262 --- a/first
 263 +++ /dev/null
 264 @@ -1,2 +0,0 @@
 265 -1st file
 266 -2nd line 1st file
 267 diff --git a/second b/second
 268 deleted file mode 100644
 269 index 1bbba79..0000000
 270 --- a/second
 271 +++ /dev/null
 272 @@ -1 +0,0 @@
 273 -2nd file
 274 EOF
 275 >.cached_expect
 276 cat >.cat_expect <<EOF
 277 secondfile:
 278 1st line 2nd file
 279 2nd line 2nd file
 280 EOF
 281 test_expect_success '--mixed reset to HEAD should unadd the files' '
 282         git reset &&
 283         check_changes ddaefe00f1da16864591c61fdc7adb5d7cd6b74e &&
 284         test "$(git rev-parse ORIG_HEAD)" = \
 285                         ddaefe00f1da16864591c61fdc7adb5d7cd6b74e
 286 '
 287
 288 >.diff_expect
 289 >.cached_expect
 290 cat >.cat_expect <<EOF
 291 secondfile:
 292 1st line 2nd file
 293 2nd line 2nd file
 294 EOF
 295 test_expect_success 'redoing the last two commits should succeed' '
 296         git add secondfile &&
 297         git reset --hard ddaefe00f1da16864591c61fdc7adb5d7cd6b74e &&
 298
 299         git rm first &&
 300         git mv second secondfile &&
 301         git commit -a -m "remove 1st and rename 2nd" &&
 302
 303         echo "1st line 2nd file" >secondfile &&
 304         echo "2nd line 2nd file" >>secondfile &&
 305         git commit -a -m "modify 2nd file" &&
 306         check_changes 3ec39651e7f44ea531a5de18a9fa791c0fd370fc
 307 '
 308
 309 >.diff_expect
 310 >.cached_expect
 311 cat >.cat_expect <<EOF
 312 secondfile:
 313 1st line 2nd file
 314 2nd line 2nd file
 315 3rd line in branch2
 316 EOF
 317 test_expect_success '--hard reset to HEAD should clear a failed merge' '
 318         git branch branch1 &&
 319         git branch branch2 &&
 320
 321         git checkout branch1 &&
 322         echo "3rd line in branch1" >>secondfile &&
 323         git commit -a -m "change in branch1" &&
 324
 325         git checkout branch2 &&
 326         echo "3rd line in branch2" >>secondfile &&
 327         git commit -a -m "change in branch2" &&
 328
 329         test_must_fail git pull . branch1 &&
 330         git reset --hard &&
 331         check_changes 77abb337073fb4369a7ad69ff6f5ec0e4d6b54bb
 332 '
 333
 334 >.diff_expect
 335 >.cached_expect
 336 cat >.cat_expect <<EOF
 337 secondfile:
 338 1st line 2nd file
 339 2nd line 2nd file
 340 EOF
 341 test_expect_success \
 342         '--hard reset to ORIG_HEAD should clear a fast-forward merge' '
 343         git reset --hard HEAD^ &&
 344         check_changes 3ec39651e7f44ea531a5de18a9fa791c0fd370fc &&
 345
 346         git pull . branch1 &&
 347         git reset --hard ORIG_HEAD &&
 348         check_changes 3ec39651e7f44ea531a5de18a9fa791c0fd370fc &&
 349
 350         git checkout master &&
 351         git branch -D branch1 branch2 &&
 352         check_changes 3ec39651e7f44ea531a5de18a9fa791c0fd370fc
 353 '
 354
 355 cat > expect << EOF
 356 diff --git a/file1 b/file1
 357 index d00491f..7ed6ff8 100644
 358 --- a/file1
 359 +++ b/file1
 360 @@ -1 +1 @@
 361 -1
 362 +5
 363 diff --git a/file2 b/file2
 364 deleted file mode 100644
 365 index 0cfbf08..0000000
 366 --- a/file2
 367 +++ /dev/null
 368 @@ -1 +0,0 @@
 369 -2
 370 EOF
 371 cat > cached_expect << EOF
 372 diff --git a/file4 b/file4
 373 new file mode 100644
 374 index 0000000..b8626c4
 375 --- /dev/null
 376 +++ b/file4
 377 @@ -0,0 +1 @@
 378 +4
 379 EOF
 380 test_expect_success 'test --mixed <paths>' '
 381         echo 1 > file1 &&
 382         echo 2 > file2 &&
 383         git add file1 file2 &&
 384         test_tick &&
 385         git commit -m files &&
 386         git rm file2 &&
 387         echo 3 > file3 &&
 388         echo 4 > file4 &&
 389         echo 5 > file1 &&
 390         git add file1 file3 file4 &&
 391         test_must_fail git reset HEAD -- file1 file2 file3 &&
 392         git diff > output &&
 393         test_cmp output expect &&
 394         git diff --cached > output &&
 395         test_cmp output cached_expect
 396 '
 397
 398 test_expect_success 'test resetting the index at give paths' '
 399
 400         mkdir sub &&
 401         >sub/file1 &&
 402         >sub/file2 &&
 403         git update-index --add sub/file1 sub/file2 &&
 404         T=$(git write-tree) &&
 405         test_must_fail git reset HEAD sub/file2 &&
 406         U=$(git write-tree) &&
 407         echo "$T" &&
 408         echo "$U" &&
 409         test_must_fail git diff-index --cached --exit-code "$T" &&
 410         test "$T" != "$U"
 411
 412 '
 413
 414 test_expect_success 'resetting an unmodified path is a no-op' '
 415         git reset --hard &&
 416         git reset -- file1 &&
 417         git diff-files --exit-code &&
 418         git diff-index --cached --exit-code HEAD
 419 '
 420
 421 cat > expect << EOF
 422 Unstaged changes after reset:
 423 M       file2
 424 EOF
 425
 426 test_expect_success '--mixed refreshes the index' '
 427         echo 123 >> file2 &&
 428         git reset --mixed HEAD > output &&
 429         test_cmp expect output
 430 '
 431
 432 test_expect_success 'disambiguation (1)' '
 433
 434         git reset --hard &&
 435         >secondfile &&
 436         git add secondfile &&
 437         test_must_fail git reset secondfile &&
 438         test -z "$(git diff --cached --name-only)" &&
 439         test -f secondfile &&
 440         test ! -s secondfile
 441
 442 '
 443
 444 test_expect_success 'disambiguation (2)' '
 445
 446         git reset --hard &&
 447         >secondfile &&
 448         git add secondfile &&
 449         rm -f secondfile &&
 450         test_must_fail git reset secondfile &&
 451         test -n "$(git diff --cached --name-only -- secondfile)" &&
 452         test ! -f secondfile
 453
 454 '
 455
 456 test_expect_success 'disambiguation (3)' '
 457
 458         git reset --hard &&
 459         >secondfile &&
 460         git add secondfile &&
 461         rm -f secondfile &&
 462         test_must_fail git reset HEAD secondfile &&
 463         test -z "$(git diff --cached --name-only)" &&
 464         test ! -f secondfile
 465
 466 '
 467
 468 test_expect_success 'disambiguation (4)' '
 469
 470         git reset --hard &&
 471         >secondfile &&
 472         git add secondfile &&
 473         rm -f secondfile &&
 474         test_must_fail git reset -- secondfile &&
 475         test -z "$(git diff --cached --name-only)" &&
 476         test ! -f secondfile
 477 '
 478
 479 test_done