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