t/t0020-crlf.sh

   1 #!/bin/sh
   2
   3 test_description='CRLF conversion'
   4
   5 . ./test-lib.sh
   6
   7 has_cr() {
   8         tr '\015' Q <"$1" | grep Q >/dev/null
   9 }
  10
  11 # add or remove CRs to disk file in-place
  12 # usage: munge_cr <append|remove> <file>
  13 munge_cr () {
  14         "${1}_cr" <"$2" >tmp &&
  15         mv tmp "$2"
  16 }
  17
  18 test_expect_success setup '
  19
  20         git config core.autocrlf false &&
  21
  22         for w in Hello world how are you; do echo $w; done >one &&
  23         mkdir dir &&
  24         for w in I am very very fine thank you; do echo $w; done >dir/two &&
  25         for w in Oh here is NULQin text here; do echo $w; done | q_to_nul >three &&
  26         git add . &&
  27
  28         git commit -m initial &&
  29
  30         one=$(git rev-parse HEAD:one) &&
  31         dir=$(git rev-parse HEAD:dir) &&
  32         two=$(git rev-parse HEAD:dir/two) &&
  33         three=$(git rev-parse HEAD:three) &&
  34
  35         for w in Some extra lines here; do echo $w; done >>one &&
  36         git diff >patch.file &&
  37         patched=$(git hash-object --stdin <one) &&
  38         git read-tree --reset -u HEAD &&
  39
  40         echo happy.
  41 '
  42
  43 test_expect_success 'safecrlf: autocrlf=input, all CRLF' '
  44
  45         git config core.autocrlf input &&
  46         git config core.safecrlf true &&
  47
  48         for w in I am all CRLF; do echo $w; done | append_cr >allcrlf &&
  49         test_must_fail git add allcrlf
  50 '
  51
  52 test_expect_success 'safecrlf: autocrlf=input, mixed LF/CRLF' '
  53
  54         git config core.autocrlf input &&
  55         git config core.safecrlf true &&
  56
  57         for w in Oh here is CRLFQ in text; do echo $w; done | q_to_cr >mixed &&
  58         test_must_fail git add mixed
  59 '
  60
  61 test_expect_success 'safecrlf: autocrlf=true, all LF' '
  62
  63         git config core.autocrlf true &&
  64         git config core.safecrlf true &&
  65
  66         for w in I am all LF; do echo $w; done >alllf &&
  67         test_must_fail git add alllf
  68 '
  69
  70 test_expect_success 'safecrlf: autocrlf=true mixed LF/CRLF' '
  71
  72         git config core.autocrlf true &&
  73         git config core.safecrlf true &&
  74
  75         for w in Oh here is CRLFQ in text; do echo $w; done | q_to_cr >mixed &&
  76         test_must_fail git add mixed
  77 '
  78
  79 test_expect_success 'safecrlf: print warning only once' '
  80
  81         git config core.autocrlf input &&
  82         git config core.safecrlf warn &&
  83
  84         for w in I am all LF; do echo $w; done >doublewarn &&
  85         git add doublewarn &&
  86         git commit -m "nowarn" &&
  87         for w in Oh here is CRLFQ in text; do echo $w; done | q_to_cr >doublewarn &&
  88         test $(git add doublewarn 2>&1 | grep "CRLF will be replaced by LF" | wc -l) = 1
  89 '
  90
  91
  92 test_expect_success 'safecrlf: git diff demotes safecrlf=true to warn' '
  93         git config core.autocrlf input &&
  94         git config core.safecrlf true &&
  95         git diff HEAD
  96 '
  97
  98
  99 test_expect_success 'switch off autocrlf, safecrlf, reset HEAD' '
 100         git config core.autocrlf false &&
 101         git config core.safecrlf false &&
 102         git reset --hard HEAD^
 103 '
 104
 105 test_expect_success 'update with autocrlf=input' '
 106
 107         rm -f tmp one dir/two three &&
 108         git read-tree --reset -u HEAD &&
 109         git config core.autocrlf input &&
 110         munge_cr append one &&
 111         munge_cr append dir/two &&
 112         git update-index -- one dir/two &&
 113         differs=$(git diff-index --cached HEAD) &&
 114         verbose test -z "$differs"
 115
 116 '
 117
 118 test_expect_success 'update with autocrlf=true' '
 119
 120         rm -f tmp one dir/two three &&
 121         git read-tree --reset -u HEAD &&
 122         git config core.autocrlf true &&
 123         munge_cr append one &&
 124         munge_cr append dir/two &&
 125         git update-index -- one dir/two &&
 126         differs=$(git diff-index --cached HEAD) &&
 127         verbose test -z "$differs"
 128
 129 '
 130
 131 test_expect_success 'checkout with autocrlf=true' '
 132
 133         rm -f tmp one dir/two three &&
 134         git config core.autocrlf true &&
 135         git read-tree --reset -u HEAD &&
 136         munge_cr remove one &&
 137         munge_cr remove dir/two &&
 138         git update-index -- one dir/two &&
 139         test "$one" = $(git hash-object --stdin <one) &&
 140         test "$two" = $(git hash-object --stdin <dir/two) &&
 141         differs=$(git diff-index --cached HEAD) &&
 142         verbose test -z "$differs"
 143 '
 144
 145 test_expect_success 'checkout with autocrlf=input' '
 146
 147         rm -f tmp one dir/two three &&
 148         git config core.autocrlf input &&
 149         git read-tree --reset -u HEAD &&
 150         test_must_fail has_cr one &&
 151         test_must_fail has_cr two &&
 152         git update-index -- one dir/two &&
 153         test "$one" = $(git hash-object --stdin <one) &&
 154         test "$two" = $(git hash-object --stdin <dir/two) &&
 155         differs=$(git diff-index --cached HEAD) &&
 156         verbose test -z "$differs"
 157 '
 158
 159 test_expect_success 'apply patch (autocrlf=input)' '
 160
 161         rm -f tmp one dir/two three &&
 162         git config core.autocrlf input &&
 163         git read-tree --reset -u HEAD &&
 164
 165         git apply patch.file &&
 166         verbose test "$patched" = "$(git hash-object --stdin <one)"
 167 '
 168
 169 test_expect_success 'apply patch --cached (autocrlf=input)' '
 170
 171         rm -f tmp one dir/two three &&
 172         git config core.autocrlf input &&
 173         git read-tree --reset -u HEAD &&
 174
 175         git apply --cached patch.file &&
 176         verbose test "$patched" = $(git rev-parse :one)
 177 '
 178
 179 test_expect_success 'apply patch --index (autocrlf=input)' '
 180
 181         rm -f tmp one dir/two three &&
 182         git config core.autocrlf input &&
 183         git read-tree --reset -u HEAD &&
 184
 185         git apply --index patch.file &&
 186         verbose test "$patched" = $(git rev-parse :one) &&
 187         verbose test "$patched" = $(git hash-object --stdin <one)
 188 '
 189
 190 test_expect_success 'apply patch (autocrlf=true)' '
 191
 192         rm -f tmp one dir/two three &&
 193         git config core.autocrlf true &&
 194         git read-tree --reset -u HEAD &&
 195
 196         git apply patch.file &&
 197         verbose test "$patched" = "$(remove_cr <one | git hash-object --stdin)"
 198 '
 199
 200 test_expect_success 'apply patch --cached (autocrlf=true)' '
 201
 202         rm -f tmp one dir/two three &&
 203         git config core.autocrlf true &&
 204         git read-tree --reset -u HEAD &&
 205
 206         git apply --cached patch.file &&
 207         verbose test "$patched" = $(git rev-parse :one)
 208 '
 209
 210 test_expect_success 'apply patch --index (autocrlf=true)' '
 211
 212         rm -f tmp one dir/two three &&
 213         git config core.autocrlf true &&
 214         git read-tree --reset -u HEAD &&
 215
 216         git apply --index patch.file &&
 217         verbose test "$patched" = $(git rev-parse :one) &&
 218         verbose test "$patched" = "$(remove_cr <one | git hash-object --stdin)"
 219 '
 220
 221 test_expect_success '.gitattributes says two is binary' '
 222
 223         rm -f tmp one dir/two three &&
 224         echo "two -crlf" >.gitattributes &&
 225         git config core.autocrlf true &&
 226         git read-tree --reset -u HEAD &&
 227
 228         if has_cr dir/two
 229         then
 230                 echo "Huh?"
 231                 false
 232         else
 233                 : happy
 234         fi &&
 235
 236         if has_cr one
 237         then
 238                 : happy
 239         else
 240                 echo "Huh?"
 241                 false
 242         fi &&
 243
 244         if has_cr three
 245         then
 246                 echo "Huh?"
 247                 false
 248         else
 249                 : happy
 250         fi
 251 '
 252
 253 test_expect_success '.gitattributes says two is input' '
 254
 255         rm -f tmp one dir/two three &&
 256         echo "two crlf=input" >.gitattributes &&
 257         git read-tree --reset -u HEAD &&
 258
 259         if has_cr dir/two
 260         then
 261                 echo "Huh?"
 262                 false
 263         else
 264                 : happy
 265         fi
 266 '
 267
 268 test_expect_success '.gitattributes says two and three are text' '
 269
 270         rm -f tmp one dir/two three &&
 271         echo "t* crlf" >.gitattributes &&
 272         git read-tree --reset -u HEAD &&
 273
 274         verbose has_cr dir/two &&
 275         verbose has_cr three
 276 '
 277
 278 test_expect_success 'in-tree .gitattributes (1)' '
 279
 280         echo "one -crlf" >>.gitattributes &&
 281         git add .gitattributes &&
 282         git commit -m "Add .gitattributes" &&
 283
 284         rm -rf tmp one dir .gitattributes patch.file three &&
 285         git read-tree --reset -u HEAD &&
 286
 287         test_must_fail has_cr one &&
 288         verbose has_cr three
 289 '
 290
 291 test_expect_success 'in-tree .gitattributes (2)' '
 292
 293         rm -rf tmp one dir .gitattributes patch.file three &&
 294         git read-tree --reset HEAD &&
 295         git checkout-index -f -q -u -a &&
 296
 297         test_must_fail has_cr one &&
 298         verbose has_cr three
 299 '
 300
 301 test_expect_success 'in-tree .gitattributes (3)' '
 302
 303         rm -rf tmp one dir .gitattributes patch.file three &&
 304         git read-tree --reset HEAD &&
 305         git checkout-index -u .gitattributes &&
 306         git checkout-index -u one dir/two three &&
 307
 308         test_must_fail has_cr one &&
 309         verbose has_cr three
 310 '
 311
 312 test_expect_success 'in-tree .gitattributes (4)' '
 313
 314         rm -rf tmp one dir .gitattributes patch.file three &&
 315         git read-tree --reset HEAD &&
 316         git checkout-index -u one dir/two three &&
 317         git checkout-index -u .gitattributes &&
 318
 319         test_must_fail has_cr one &&
 320         verbose has_cr three
 321 '
 322
 323 test_expect_success 'checkout with existing .gitattributes' '
 324
 325         git config core.autocrlf true &&
 326         git config --unset core.safecrlf &&
 327         echo ".file2 -crlfQ" | q_to_cr >> .gitattributes &&
 328         git add .gitattributes &&
 329         git commit -m initial &&
 330         echo ".file -crlfQ" | q_to_cr >> .gitattributes &&
 331         echo "contents" > .file &&
 332         git add .gitattributes .file &&
 333         git commit -m second &&
 334
 335         git checkout master~1 &&
 336         git checkout master &&
 337         test "$(git diff-files --raw)" = ""
 338
 339 '
 340
 341 test_expect_success 'checkout when deleting .gitattributes' '
 342
 343         git rm .gitattributes &&
 344         echo "contentsQ" | q_to_cr > .file2 &&
 345         git add .file2 &&
 346         git commit -m third &&
 347
 348         git checkout master~1 &&
 349         git checkout master &&
 350         has_cr .file2
 351
 352 '
 353
 354 test_expect_success 'invalid .gitattributes (must not crash)' '
 355
 356         echo "three +crlf" >>.gitattributes &&
 357         git diff
 358
 359 '
 360 # Some more tests here to add new autocrlf functionality.
 361 # We want to have a known state here, so start a bit from scratch
 362
 363 test_expect_success 'setting up for new autocrlf tests' '
 364         git config core.autocrlf false &&
 365         git config core.safecrlf false &&
 366         rm -rf .????* * &&
 367         for w in I am all LF; do echo $w; done >alllf &&
 368         for w in Oh here is CRLFQ in text; do echo $w; done | q_to_cr >mixed &&
 369         for w in I am all CRLF; do echo $w; done | append_cr >allcrlf &&
 370         git add -A . &&
 371         git commit -m "alllf, allcrlf and mixed only" &&
 372         git tag -a -m "message" autocrlf-checkpoint
 373 '
 374
 375 test_expect_success 'report no change after setting autocrlf' '
 376         git config core.autocrlf true &&
 377         touch * &&
 378         git diff --exit-code
 379 '
 380
 381 test_expect_success 'files are clean after checkout' '
 382         rm * &&
 383         git checkout -f &&
 384         git diff --exit-code
 385 '
 386
 387 cr_to_Q_no_NL () {
 388     tr '\015' Q | tr -d '\012'
 389 }
 390
 391 test_expect_success 'LF only file gets CRLF with autocrlf' '
 392         test "$(cr_to_Q_no_NL < alllf)" = "IQamQallQLFQ"
 393 '
 394
 395 test_expect_success 'Mixed file is still mixed with autocrlf' '
 396         test "$(cr_to_Q_no_NL < mixed)" = "OhhereisCRLFQintext"
 397 '
 398
 399 test_expect_success 'CRLF only file has CRLF with autocrlf' '
 400         test "$(cr_to_Q_no_NL < allcrlf)" = "IQamQallQCRLFQ"
 401 '
 402
 403 test_expect_success 'New CRLF file gets LF in repo' '
 404         tr -d "\015" < alllf | append_cr > alllf2 &&
 405         git add alllf2 &&
 406         git commit -m "alllf2 added" &&
 407         git config core.autocrlf false &&
 408         rm * &&
 409         git checkout -f &&
 410         test_cmp alllf alllf2
 411 '
 412
 413 test_done