t/t0020-crlf.sh

   1 #!/bin/sh
   2
   3 test_description='CRLF conversion'
   4
   5 . ./test-lib.sh
   6
   7 q_to_nul () {
   8         perl -pe 'y/Q/\000/'
   9 }
  10
  11 q_to_cr () {
  12         tr Q '\015'
  13 }
  14
  15 append_cr () {
  16         sed -e 's/$/Q/' | tr Q '\015'
  17 }
  18
  19 remove_cr () {
  20         tr '\015' Q <"$1" | grep Q >/dev/null &&
  21         tr '\015' Q <"$1" | sed -ne 's/Q$//p'
  22 }
  23
  24 test_expect_success setup '
  25
  26         git config core.autocrlf false &&
  27
  28         for w in Hello world how are you; do echo $w; done >one &&
  29         mkdir dir &&
  30         for w in I am very very fine thank you; do echo $w; done >dir/two &&
  31         for w in Oh here is NULQin text here; do echo $w; done | q_to_nul >three &&
  32         git add . &&
  33
  34         git commit -m initial &&
  35
  36         one=`git rev-parse HEAD:one` &&
  37         dir=`git rev-parse HEAD:dir` &&
  38         two=`git rev-parse HEAD:dir/two` &&
  39         three=`git rev-parse HEAD:three` &&
  40
  41         for w in Some extra lines here; do echo $w; done >>one &&
  42         git diff >patch.file &&
  43         patched=`git hash-object --stdin <one` &&
  44         git read-tree --reset -u HEAD &&
  45
  46         echo happy.
  47 '
  48
  49 test_expect_success 'safecrlf: autocrlf=input, all CRLF' '
  50
  51         git config core.autocrlf input &&
  52         git config core.safecrlf true &&
  53
  54         for w in I am all CRLF; do echo $w; done | append_cr >allcrlf &&
  55         test_must_fail git add allcrlf
  56 '
  57
  58 test_expect_success 'safecrlf: autocrlf=input, mixed LF/CRLF' '
  59
  60         git config core.autocrlf input &&
  61         git config core.safecrlf true &&
  62
  63         for w in Oh here is CRLFQ in text; do echo $w; done | q_to_cr >mixed &&
  64         test_must_fail git add mixed
  65 '
  66
  67 test_expect_success 'safecrlf: autocrlf=true, all LF' '
  68
  69         git config core.autocrlf true &&
  70         git config core.safecrlf true &&
  71
  72         for w in I am all LF; do echo $w; done >alllf &&
  73         test_must_fail git add alllf
  74 '
  75
  76 test_expect_success 'safecrlf: autocrlf=true mixed LF/CRLF' '
  77
  78         git config core.autocrlf true &&
  79         git config core.safecrlf true &&
  80
  81         for w in Oh here is CRLFQ in text; do echo $w; done | q_to_cr >mixed &&
  82         test_must_fail git add mixed
  83 '
  84
  85 test_expect_success 'safecrlf: print warning only once' '
  86
  87         git config core.autocrlf input &&
  88         git config core.safecrlf warn &&
  89
  90         for w in I am all LF; do echo $w; done >doublewarn &&
  91         git add doublewarn &&
  92         git commit -m "nowarn" &&
  93         for w in Oh here is CRLFQ in text; do echo $w; done | q_to_cr >doublewarn &&
  94         test $(git add doublewarn 2>&1 | grep "CRLF will be replaced by LF" | wc -l) = 1
  95 '
  96
  97 test_expect_success 'switch off autocrlf, safecrlf, reset HEAD' '
  98         git config core.autocrlf false &&
  99         git config core.safecrlf false &&
 100         git reset --hard HEAD^
 101 '
 102
 103 test_expect_success 'update with autocrlf=input' '
 104
 105         rm -f tmp one dir/two three &&
 106         git read-tree --reset -u HEAD &&
 107         git config core.autocrlf input &&
 108
 109         for f in one dir/two
 110         do
 111                 append_cr <$f >tmp && mv -f tmp $f &&
 112                 git update-index -- $f || {
 113                         echo Oops
 114                         false
 115                         break
 116                 }
 117         done &&
 118
 119         differs=`git diff-index --cached HEAD` &&
 120         test -z "$differs" || {
 121                 echo Oops "$differs"
 122                 false
 123         }
 124
 125 '
 126
 127 test_expect_success 'update with autocrlf=true' '
 128
 129         rm -f tmp one dir/two three &&
 130         git read-tree --reset -u HEAD &&
 131         git config core.autocrlf true &&
 132
 133         for f in one dir/two
 134         do
 135                 append_cr <$f >tmp && mv -f tmp $f &&
 136                 git update-index -- $f || {
 137                         echo "Oops $f"
 138                         false
 139                         break
 140                 }
 141         done &&
 142
 143         differs=`git diff-index --cached HEAD` &&
 144         test -z "$differs" || {
 145                 echo Oops "$differs"
 146                 false
 147         }
 148
 149 '
 150
 151 test_expect_success 'checkout with autocrlf=true' '
 152
 153         rm -f tmp one dir/two three &&
 154         git config core.autocrlf true &&
 155         git read-tree --reset -u HEAD &&
 156
 157         for f in one dir/two
 158         do
 159                 remove_cr "$f" >tmp && mv -f tmp $f &&
 160                 git update-index -- $f || {
 161                         echo "Eh? $f"
 162                         false
 163                         break
 164                 }
 165         done &&
 166         test "$one" = `git hash-object --stdin <one` &&
 167         test "$two" = `git hash-object --stdin <dir/two` &&
 168         differs=`git diff-index --cached HEAD` &&
 169         test -z "$differs" || {
 170                 echo Oops "$differs"
 171                 false
 172         }
 173 '
 174
 175 test_expect_success 'checkout with autocrlf=input' '
 176
 177         rm -f tmp one dir/two three &&
 178         git config core.autocrlf input &&
 179         git read-tree --reset -u HEAD &&
 180
 181         for f in one dir/two
 182         do
 183                 if remove_cr "$f" >/dev/null
 184                 then
 185                         echo "Eh? $f"
 186                         false
 187                         break
 188                 else
 189                         git update-index -- $f
 190                 fi
 191         done &&
 192         test "$one" = `git hash-object --stdin <one` &&
 193         test "$two" = `git hash-object --stdin <dir/two` &&
 194         differs=`git diff-index --cached HEAD` &&
 195         test -z "$differs" || {
 196                 echo Oops "$differs"
 197                 false
 198         }
 199 '
 200
 201 test_expect_success 'apply patch (autocrlf=input)' '
 202
 203         rm -f tmp one dir/two three &&
 204         git config core.autocrlf input &&
 205         git read-tree --reset -u HEAD &&
 206
 207         git apply patch.file &&
 208         test "$patched" = "`git hash-object --stdin <one`" || {
 209                 echo "Eh?  apply without index"
 210                 false
 211         }
 212 '
 213
 214 test_expect_success 'apply patch --cached (autocrlf=input)' '
 215
 216         rm -f tmp one dir/two three &&
 217         git config core.autocrlf input &&
 218         git read-tree --reset -u HEAD &&
 219
 220         git apply --cached patch.file &&
 221         test "$patched" = `git rev-parse :one` || {
 222                 echo "Eh?  apply with --cached"
 223                 false
 224         }
 225 '
 226
 227 test_expect_success 'apply patch --index (autocrlf=input)' '
 228
 229         rm -f tmp one dir/two three &&
 230         git config core.autocrlf input &&
 231         git read-tree --reset -u HEAD &&
 232
 233         git apply --index patch.file &&
 234         test "$patched" = `git rev-parse :one` &&
 235         test "$patched" = `git hash-object --stdin <one` || {
 236                 echo "Eh?  apply with --index"
 237                 false
 238         }
 239 '
 240
 241 test_expect_success 'apply patch (autocrlf=true)' '
 242
 243         rm -f tmp one dir/two three &&
 244         git config core.autocrlf true &&
 245         git read-tree --reset -u HEAD &&
 246
 247         git apply patch.file &&
 248         test "$patched" = "`remove_cr one | git hash-object --stdin`" || {
 249                 echo "Eh?  apply without index"
 250                 false
 251         }
 252 '
 253
 254 test_expect_success 'apply patch --cached (autocrlf=true)' '
 255
 256         rm -f tmp one dir/two three &&
 257         git config core.autocrlf true &&
 258         git read-tree --reset -u HEAD &&
 259
 260         git apply --cached patch.file &&
 261         test "$patched" = `git rev-parse :one` || {
 262                 echo "Eh?  apply without index"
 263                 false
 264         }
 265 '
 266
 267 test_expect_success 'apply patch --index (autocrlf=true)' '
 268
 269         rm -f tmp one dir/two three &&
 270         git config core.autocrlf true &&
 271         git read-tree --reset -u HEAD &&
 272
 273         git apply --index patch.file &&
 274         test "$patched" = `git rev-parse :one` &&
 275         test "$patched" = "`remove_cr one | git hash-object --stdin`" || {
 276                 echo "Eh?  apply with --index"
 277                 false
 278         }
 279 '
 280
 281 test_expect_success '.gitattributes says two is binary' '
 282
 283         rm -f tmp one dir/two three &&
 284         echo "two -crlf" >.gitattributes &&
 285         git config core.autocrlf true &&
 286         git read-tree --reset -u HEAD &&
 287
 288         if remove_cr dir/two >/dev/null
 289         then
 290                 echo "Huh?"
 291                 false
 292         else
 293                 : happy
 294         fi &&
 295
 296         if remove_cr one >/dev/null
 297         then
 298                 : happy
 299         else
 300                 echo "Huh?"
 301                 false
 302         fi &&
 303
 304         if remove_cr three >/dev/null
 305         then
 306                 echo "Huh?"
 307                 false
 308         else
 309                 : happy
 310         fi
 311 '
 312
 313 test_expect_success '.gitattributes says two is input' '
 314
 315         rm -f tmp one dir/two three &&
 316         echo "two crlf=input" >.gitattributes &&
 317         git read-tree --reset -u HEAD &&
 318
 319         if remove_cr dir/two >/dev/null
 320         then
 321                 echo "Huh?"
 322                 false
 323         else
 324                 : happy
 325         fi
 326 '
 327
 328 test_expect_success '.gitattributes says two and three are text' '
 329
 330         rm -f tmp one dir/two three &&
 331         echo "t* crlf" >.gitattributes &&
 332         git read-tree --reset -u HEAD &&
 333
 334         if remove_cr dir/two >/dev/null
 335         then
 336                 : happy
 337         else
 338                 echo "Huh?"
 339                 false
 340         fi &&
 341
 342         if remove_cr three >/dev/null
 343         then
 344                 : happy
 345         else
 346                 echo "Huh?"
 347                 false
 348         fi
 349 '
 350
 351 test_expect_success 'in-tree .gitattributes (1)' '
 352
 353         echo "one -crlf" >>.gitattributes &&
 354         git add .gitattributes &&
 355         git commit -m "Add .gitattributes" &&
 356
 357         rm -rf tmp one dir .gitattributes patch.file three &&
 358         git read-tree --reset -u HEAD &&
 359
 360         if remove_cr one >/dev/null
 361         then
 362                 echo "Eh? one should not have CRLF"
 363                 false
 364         else
 365                 : happy
 366         fi &&
 367         remove_cr three >/dev/null || {
 368                 echo "Eh? three should still have CRLF"
 369                 false
 370         }
 371 '
 372
 373 test_expect_success 'in-tree .gitattributes (2)' '
 374
 375         rm -rf tmp one dir .gitattributes patch.file three &&
 376         git read-tree --reset HEAD &&
 377         git checkout-index -f -q -u -a &&
 378
 379         if remove_cr one >/dev/null
 380         then
 381                 echo "Eh? one should not have CRLF"
 382                 false
 383         else
 384                 : happy
 385         fi &&
 386         remove_cr three >/dev/null || {
 387                 echo "Eh? three should still have CRLF"
 388                 false
 389         }
 390 '
 391
 392 test_expect_success 'in-tree .gitattributes (3)' '
 393
 394         rm -rf tmp one dir .gitattributes patch.file three &&
 395         git read-tree --reset HEAD &&
 396         git checkout-index -u .gitattributes &&
 397         git checkout-index -u one dir/two three &&
 398
 399         if remove_cr one >/dev/null
 400         then
 401                 echo "Eh? one should not have CRLF"
 402                 false
 403         else
 404                 : happy
 405         fi &&
 406         remove_cr three >/dev/null || {
 407                 echo "Eh? three should still have CRLF"
 408                 false
 409         }
 410 '
 411
 412 test_expect_success 'in-tree .gitattributes (4)' '
 413
 414         rm -rf tmp one dir .gitattributes patch.file three &&
 415         git read-tree --reset HEAD &&
 416         git checkout-index -u one dir/two three &&
 417         git checkout-index -u .gitattributes &&
 418
 419         if remove_cr one >/dev/null
 420         then
 421                 echo "Eh? one should not have CRLF"
 422                 false
 423         else
 424                 : happy
 425         fi &&
 426         remove_cr three >/dev/null || {
 427                 echo "Eh? three should still have CRLF"
 428                 false
 429         }
 430 '
 431
 432 test_expect_success 'checkout with existing .gitattributes' '
 433
 434         git config core.autocrlf true &&
 435         git config --unset core.safecrlf &&
 436         echo ".file2 -crlfQ" | q_to_cr >> .gitattributes &&
 437         git add .gitattributes &&
 438         git commit -m initial &&
 439         echo ".file -crlfQ" | q_to_cr >> .gitattributes &&
 440         echo "contents" > .file &&
 441         git add .gitattributes .file &&
 442         git commit -m second &&
 443
 444         git checkout master~1 &&
 445         git checkout master &&
 446         test "$(git diff-files --raw)" = ""
 447
 448 '
 449
 450 test_expect_success 'checkout when deleting .gitattributes' '
 451
 452         git rm .gitattributes &&
 453         echo "contentsQ" | q_to_cr > .file2 &&
 454         git add .file2 &&
 455         git commit -m third
 456
 457         git checkout master~1 &&
 458         git checkout master &&
 459         remove_cr .file2 >/dev/null
 460
 461 '
 462
 463 test_expect_success 'invalid .gitattributes (must not crash)' '
 464
 465         echo "three +crlf" >>.gitattributes &&
 466         git diff
 467
 468 '
 469
 470 test_done