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 'safecrlf: no warning with safecrlf=false' '
 102         git config core.autocrlf input &&
 103         git config core.safecrlf false &&
 104
 105         for w in I am all CRLF; do echo $w; done | append_cr >allcrlf &&
 106         git add allcrlf 2>err &&
 107         test_must_be_empty err
 108 '
 109
 110
 111 test_expect_success 'switch off autocrlf, safecrlf, reset HEAD' '
 112         git config core.autocrlf false &&
 113         git config core.safecrlf false &&
 114         git reset --hard HEAD^
 115 '
 116
 117 test_expect_success 'update with autocrlf=input' '
 118
 119         rm -f tmp one dir/two three &&
 120         git read-tree --reset -u HEAD &&
 121         git config core.autocrlf input &&
 122         munge_cr append one &&
 123         munge_cr append dir/two &&
 124         git update-index -- one dir/two &&
 125         differs=$(git diff-index --cached HEAD) &&
 126         verbose test -z "$differs"
 127
 128 '
 129
 130 test_expect_success 'update with autocrlf=true' '
 131
 132         rm -f tmp one dir/two three &&
 133         git read-tree --reset -u HEAD &&
 134         git config core.autocrlf true &&
 135         munge_cr append one &&
 136         munge_cr append dir/two &&
 137         git update-index -- one dir/two &&
 138         differs=$(git diff-index --cached HEAD) &&
 139         verbose test -z "$differs"
 140
 141 '
 142
 143 test_expect_success 'checkout with autocrlf=true' '
 144
 145         rm -f tmp one dir/two three &&
 146         git config core.autocrlf true &&
 147         git read-tree --reset -u HEAD &&
 148         munge_cr remove one &&
 149         munge_cr remove dir/two &&
 150         git update-index -- one dir/two &&
 151         test "$one" = $(git hash-object --stdin <one) &&
 152         test "$two" = $(git hash-object --stdin <dir/two) &&
 153         differs=$(git diff-index --cached HEAD) &&
 154         verbose test -z "$differs"
 155 '
 156
 157 test_expect_success 'checkout with autocrlf=input' '
 158
 159         rm -f tmp one dir/two three &&
 160         git config core.autocrlf input &&
 161         git read-tree --reset -u HEAD &&
 162         ! has_cr one &&
 163         ! has_cr dir/two &&
 164         git update-index -- one dir/two &&
 165         test "$one" = $(git hash-object --stdin <one) &&
 166         test "$two" = $(git hash-object --stdin <dir/two) &&
 167         differs=$(git diff-index --cached HEAD) &&
 168         verbose test -z "$differs"
 169 '
 170
 171 test_expect_success 'apply patch (autocrlf=input)' '
 172
 173         rm -f tmp one dir/two three &&
 174         git config core.autocrlf input &&
 175         git read-tree --reset -u HEAD &&
 176
 177         git apply patch.file &&
 178         verbose test "$patched" = "$(git hash-object --stdin <one)"
 179 '
 180
 181 test_expect_success 'apply patch --cached (autocrlf=input)' '
 182
 183         rm -f tmp one dir/two three &&
 184         git config core.autocrlf input &&
 185         git read-tree --reset -u HEAD &&
 186
 187         git apply --cached patch.file &&
 188         verbose test "$patched" = $(git rev-parse :one)
 189 '
 190
 191 test_expect_success 'apply patch --index (autocrlf=input)' '
 192
 193         rm -f tmp one dir/two three &&
 194         git config core.autocrlf input &&
 195         git read-tree --reset -u HEAD &&
 196
 197         git apply --index patch.file &&
 198         verbose test "$patched" = $(git rev-parse :one) &&
 199         verbose test "$patched" = $(git hash-object --stdin <one)
 200 '
 201
 202 test_expect_success 'apply patch (autocrlf=true)' '
 203
 204         rm -f tmp one dir/two three &&
 205         git config core.autocrlf true &&
 206         git read-tree --reset -u HEAD &&
 207
 208         git apply patch.file &&
 209         verbose test "$patched" = "$(remove_cr <one | git hash-object --stdin)"
 210 '
 211
 212 test_expect_success 'apply patch --cached (autocrlf=true)' '
 213
 214         rm -f tmp one dir/two three &&
 215         git config core.autocrlf true &&
 216         git read-tree --reset -u HEAD &&
 217
 218         git apply --cached patch.file &&
 219         verbose test "$patched" = $(git rev-parse :one)
 220 '
 221
 222 test_expect_success 'apply patch --index (autocrlf=true)' '
 223
 224         rm -f tmp one dir/two three &&
 225         git config core.autocrlf true &&
 226         git read-tree --reset -u HEAD &&
 227
 228         git apply --index patch.file &&
 229         verbose test "$patched" = $(git rev-parse :one) &&
 230         verbose test "$patched" = "$(remove_cr <one | git hash-object --stdin)"
 231 '
 232
 233 test_expect_success '.gitattributes says two is binary' '
 234
 235         rm -f tmp one dir/two three &&
 236         echo "two -crlf" >.gitattributes &&
 237         git config core.autocrlf true &&
 238         git read-tree --reset -u HEAD &&
 239
 240         ! has_cr dir/two &&
 241         verbose has_cr one &&
 242         ! has_cr three
 243 '
 244
 245 test_expect_success '.gitattributes says two is input' '
 246
 247         rm -f tmp one dir/two three &&
 248         echo "two crlf=input" >.gitattributes &&
 249         git read-tree --reset -u HEAD &&
 250
 251         ! has_cr dir/two
 252 '
 253
 254 test_expect_success '.gitattributes says two and three are text' '
 255
 256         rm -f tmp one dir/two three &&
 257         echo "t* crlf" >.gitattributes &&
 258         git read-tree --reset -u HEAD &&
 259
 260         verbose has_cr dir/two &&
 261         verbose has_cr three
 262 '
 263
 264 test_expect_success 'in-tree .gitattributes (1)' '
 265
 266         echo "one -crlf" >>.gitattributes &&
 267         git add .gitattributes &&
 268         git commit -m "Add .gitattributes" &&
 269
 270         rm -rf tmp one dir .gitattributes patch.file three &&
 271         git read-tree --reset -u HEAD &&
 272
 273         ! has_cr one &&
 274         verbose has_cr three
 275 '
 276
 277 test_expect_success 'in-tree .gitattributes (2)' '
 278
 279         rm -rf tmp one dir .gitattributes patch.file three &&
 280         git read-tree --reset HEAD &&
 281         git checkout-index -f -q -u -a &&
 282
 283         ! has_cr one &&
 284         verbose has_cr three
 285 '
 286
 287 test_expect_success 'in-tree .gitattributes (3)' '
 288
 289         rm -rf tmp one dir .gitattributes patch.file three &&
 290         git read-tree --reset HEAD &&
 291         git checkout-index -u .gitattributes &&
 292         git checkout-index -u one dir/two three &&
 293
 294         ! has_cr one &&
 295         verbose has_cr three
 296 '
 297
 298 test_expect_success 'in-tree .gitattributes (4)' '
 299
 300         rm -rf tmp one dir .gitattributes patch.file three &&
 301         git read-tree --reset HEAD &&
 302         git checkout-index -u one dir/two three &&
 303         git checkout-index -u .gitattributes &&
 304
 305         ! has_cr one &&
 306         verbose has_cr three
 307 '
 308
 309 test_expect_success 'checkout with existing .gitattributes' '
 310
 311         git config core.autocrlf true &&
 312         git config --unset core.safecrlf &&
 313         echo ".file2 -crlfQ" | q_to_cr >> .gitattributes &&
 314         git add .gitattributes &&
 315         git commit -m initial &&
 316         echo ".file -crlfQ" | q_to_cr >> .gitattributes &&
 317         echo "contents" > .file &&
 318         git add .gitattributes .file &&
 319         git commit -m second &&
 320
 321         git checkout master~1 &&
 322         git checkout master &&
 323         test "$(git diff-files --raw)" = ""
 324
 325 '
 326
 327 test_expect_success 'checkout when deleting .gitattributes' '
 328
 329         git rm .gitattributes &&
 330         echo "contentsQ" | q_to_cr > .file2 &&
 331         git add .file2 &&
 332         git commit -m third &&
 333
 334         git checkout master~1 &&
 335         git checkout master &&
 336         has_cr .file2
 337
 338 '
 339
 340 test_expect_success 'invalid .gitattributes (must not crash)' '
 341
 342         echo "three +crlf" >>.gitattributes &&
 343         git diff
 344
 345 '
 346 # Some more tests here to add new autocrlf functionality.
 347 # We want to have a known state here, so start a bit from scratch
 348
 349 test_expect_success 'setting up for new autocrlf tests' '
 350         git config core.autocrlf false &&
 351         git config core.safecrlf false &&
 352         rm -rf .????* * &&
 353         for w in I am all LF; do echo $w; done >alllf &&
 354         for w in Oh here is CRLFQ in text; do echo $w; done | q_to_cr >mixed &&
 355         for w in I am all CRLF; do echo $w; done | append_cr >allcrlf &&
 356         git add -A . &&
 357         git commit -m "alllf, allcrlf and mixed only" &&
 358         git tag -a -m "message" autocrlf-checkpoint
 359 '
 360
 361 test_expect_success 'report no change after setting autocrlf' '
 362         git config core.autocrlf true &&
 363         touch * &&
 364         git diff --exit-code
 365 '
 366
 367 test_expect_success 'files are clean after checkout' '
 368         rm * &&
 369         git checkout -f &&
 370         git diff --exit-code
 371 '
 372
 373 cr_to_Q_no_NL () {
 374     tr '\015' Q | tr -d '\012'
 375 }
 376
 377 test_expect_success 'LF only file gets CRLF with autocrlf' '
 378         test "$(cr_to_Q_no_NL < alllf)" = "IQamQallQLFQ"
 379 '
 380
 381 test_expect_success 'Mixed file is still mixed with autocrlf' '
 382         test "$(cr_to_Q_no_NL < mixed)" = "OhhereisCRLFQintext"
 383 '
 384
 385 test_expect_success 'CRLF only file has CRLF with autocrlf' '
 386         test "$(cr_to_Q_no_NL < allcrlf)" = "IQamQallQCRLFQ"
 387 '
 388
 389 test_expect_success 'New CRLF file gets LF in repo' '
 390         tr -d "\015" < alllf | append_cr > alllf2 &&
 391         git add alllf2 &&
 392         git commit -m "alllf2 added" &&
 393         git config core.autocrlf false &&
 394         rm * &&
 395         git checkout -f &&
 396         test_cmp alllf alllf2
 397 '
 398
 399 test_done