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