t/t3910-mac-os-precompose.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2012 Torsten Bögershausen
   4 #
   5
   6 test_description='utf-8 decomposed (nfd) converted to precomposed (nfc)'
   7
   8 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
   9 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
  10
  11 . ./test-lib.sh
  12
  13 if ! test_have_prereq UTF8_NFD_TO_NFC
  14 then
  15         skip_all="filesystem does not corrupt utf-8"
  16         test_done
  17 fi
  18
  19 # create utf-8 variables
  20 Adiarnfc=$(printf '\303\204')
  21 Adiarnfd=$(printf 'A\314\210')
  22
  23 Odiarnfc=$(printf '\303\226')
  24 Odiarnfd=$(printf 'O\314\210')
  25 AEligatu=$(printf '\303\206')
  26 Invalidu=$(printf '\303\377')
  27
  28
  29 #Create a string with 255 bytes (decomposed)
  30 Alongd=$Adiarnfd$Adiarnfd$Adiarnfd$Adiarnfd$Adiarnfd$Adiarnfd$Adiarnfd #21 Byte
  31 Alongd=$Alongd$Alongd$Alongd                                           #63 Byte
  32 Alongd=$Alongd$Alongd$Alongd$Alongd$Adiarnfd                           #255 Byte
  33
  34 #Create a string with 254 bytes (precomposed)
  35 Alongc=$AEligatu$AEligatu$AEligatu$AEligatu$AEligatu #10 Byte
  36 Alongc=$Alongc$Alongc$Alongc$Alongc$Alongc           #50 Byte
  37 Alongc=$Alongc$Alongc$Alongc$Alongc$Alongc           #250 Byte
  38 Alongc=$Alongc$AEligatu$AEligatu                     #254 Byte
  39
  40 test_expect_success "detect if nfd needed" '
  41         precomposeunicode=$(git config core.precomposeunicode) &&
  42         test "$precomposeunicode" = true &&
  43         git config core.precomposeunicode true
  44 '
  45 test_expect_success "setup" '
  46         >x &&
  47         git add x &&
  48         git commit -m "1st commit" &&
  49         git rm x &&
  50         git commit -m "rm x"
  51 '
  52 test_expect_success "setup case mac" '
  53         git checkout -b mac_os
  54 '
  55 # This will test nfd2nfc in git diff
  56 test_expect_success "git diff f.Adiar" '
  57         touch f.$Adiarnfc &&
  58         git add f.$Adiarnfc &&
  59         echo f.Adiarnfc >f.$Adiarnfc &&
  60         git diff f.$Adiarnfd >expect &&
  61         git diff f.$Adiarnfc >actual &&
  62         test_cmp expect actual &&
  63         git reset HEAD f.Adiarnfc &&
  64         rm f.$Adiarnfc expect actual
  65 '
  66 # This will test nfd2nfc in git diff-files
  67 test_expect_success "git diff-files f.Adiar" '
  68         touch f.$Adiarnfc &&
  69         git add f.$Adiarnfc &&
  70         echo f.Adiarnfc >f.$Adiarnfc &&
  71         git diff-files f.$Adiarnfd >expect &&
  72         git diff-files f.$Adiarnfc >actual &&
  73         test_cmp expect actual &&
  74         git reset HEAD f.Adiarnfc &&
  75         rm f.$Adiarnfc expect actual
  76 '
  77 # This will test nfd2nfc in git diff-index
  78 test_expect_success "git diff-index f.Adiar" '
  79         touch f.$Adiarnfc &&
  80         git add f.$Adiarnfc &&
  81         echo f.Adiarnfc >f.$Adiarnfc &&
  82         git diff-index HEAD f.$Adiarnfd >expect &&
  83         git diff-index HEAD f.$Adiarnfc >actual &&
  84         test_cmp expect actual &&
  85         git reset HEAD f.Adiarnfc &&
  86         rm f.$Adiarnfc expect actual
  87 '
  88 # This will test nfd2nfc in readdir()
  89 test_expect_success "add file Adiarnfc" '
  90         echo f.Adiarnfc >f.$Adiarnfc &&
  91         git add f.$Adiarnfc &&
  92         git commit -m "add f.$Adiarnfc"
  93 '
  94 # This will test nfd2nfc in git diff-tree
  95 test_expect_success "git diff-tree f.Adiar" '
  96         echo f.Adiarnfc >>f.$Adiarnfc &&
  97         git diff-tree HEAD f.$Adiarnfd >expect &&
  98         git diff-tree HEAD f.$Adiarnfc >actual &&
  99         test_cmp expect actual &&
 100         git checkout f.$Adiarnfc &&
 101         rm expect actual
 102 '
 103 # This will test nfd2nfc in git stage()
 104 test_expect_success "stage file d.Adiarnfd/f.Adiarnfd" '
 105         mkdir d.$Adiarnfd &&
 106         echo d.$Adiarnfd/f.$Adiarnfd >d.$Adiarnfd/f.$Adiarnfd &&
 107         git stage d.$Adiarnfd/f.$Adiarnfd &&
 108         git commit -m "add d.$Adiarnfd/f.$Adiarnfd"
 109 '
 110 test_expect_success "add link Adiarnfc" '
 111         ln -s d.$Adiarnfd/f.$Adiarnfd l.$Adiarnfc &&
 112         git add l.$Adiarnfc &&
 113         git commit -m "add l.Adiarnfc"
 114 '
 115 # This will test git log
 116 test_expect_success "git log f.Adiar" '
 117         git log f.$Adiarnfc > f.Adiarnfc.log &&
 118         git log f.$Adiarnfd > f.Adiarnfd.log &&
 119         test -s f.Adiarnfc.log &&
 120         test -s f.Adiarnfd.log &&
 121         test_cmp f.Adiarnfc.log f.Adiarnfd.log &&
 122         rm f.Adiarnfc.log f.Adiarnfd.log
 123 '
 124 # This will test git ls-files
 125 test_expect_success "git lsfiles f.Adiar" '
 126         git ls-files f.$Adiarnfc > f.Adiarnfc.log &&
 127         git ls-files f.$Adiarnfd > f.Adiarnfd.log &&
 128         test -s f.Adiarnfc.log &&
 129         test -s f.Adiarnfd.log &&
 130         test_cmp f.Adiarnfc.log f.Adiarnfd.log &&
 131         rm f.Adiarnfc.log f.Adiarnfd.log
 132 '
 133 # This will test git mv
 134 test_expect_success "git mv" '
 135         git mv f.$Adiarnfd f.$Odiarnfc &&
 136         git mv d.$Adiarnfd d.$Odiarnfc &&
 137         git mv l.$Adiarnfd l.$Odiarnfc &&
 138         git commit -m "mv Adiarnfd Odiarnfc"
 139 '
 140 # Files can be checked out as nfc
 141 # And the link has been corrected from nfd to nfc
 142 test_expect_success "git checkout nfc" '
 143         rm f.$Odiarnfc &&
 144         git checkout f.$Odiarnfc
 145 '
 146 # Make it possible to checkout files with their NFD names
 147 test_expect_success "git checkout file nfd" '
 148         rm -f f.* &&
 149         git checkout f.$Odiarnfd
 150 '
 151 # Make it possible to checkout links with their NFD names
 152 test_expect_success "git checkout link nfd" '
 153         rm l.* &&
 154         git checkout l.$Odiarnfd
 155 '
 156 test_expect_success "setup case mac2" '
 157         git checkout main &&
 158         git reset --hard &&
 159         git checkout -b mac_os_2
 160 '
 161 # This will test nfd2nfc in git commit
 162 test_expect_success "commit file d2.Adiarnfd/f.Adiarnfd" '
 163         mkdir d2.$Adiarnfd &&
 164         echo d2.$Adiarnfd/f.$Adiarnfd >d2.$Adiarnfd/f.$Adiarnfd &&
 165         git add d2.$Adiarnfd/f.$Adiarnfd &&
 166         git commit -m "add d2.$Adiarnfd/f.$Adiarnfd" -- d2.$Adiarnfd/f.$Adiarnfd
 167 '
 168 test_expect_success "setup for long decomposed filename" '
 169         git checkout main &&
 170         git reset --hard &&
 171         git checkout -b mac_os_long_nfd_fn
 172 '
 173 test_expect_success "Add long decomposed filename" '
 174         echo longd >$Alongd &&
 175         git add * &&
 176         git commit -m "Long filename"
 177 '
 178 test_expect_success "setup for long precomposed filename" '
 179         git checkout main &&
 180         git reset --hard &&
 181         git checkout -b mac_os_long_nfc_fn
 182 '
 183 test_expect_success "Add long precomposed filename" '
 184         echo longc >$Alongc &&
 185         git add * &&
 186         git commit -m "Long filename"
 187 '
 188
 189 test_expect_failure 'handle existing decomposed filenames' '
 190         echo content >"verbatim.$Adiarnfd" &&
 191         git -c core.precomposeunicode=false add "verbatim.$Adiarnfd" &&
 192         git commit -m "existing decomposed file" &&
 193         git ls-files --exclude-standard -o "verbatim*" >untracked &&
 194         test_must_be_empty untracked
 195 '
 196
 197 test_expect_success "unicode decomposed: git restore -p . " '
 198         DIRNAMEPWD=dir.Odiarnfc &&
 199         DIRNAMEINREPO=dir.$Adiarnfc &&
 200         export DIRNAMEPWD DIRNAMEINREPO &&
 201         git init "$DIRNAMEPWD" &&
 202         (
 203                 cd "$DIRNAMEPWD" &&
 204                 mkdir "$DIRNAMEINREPO" &&
 205                 cd "$DIRNAMEINREPO" &&
 206                 echo "Initial" >file &&
 207                 git add file &&
 208                 echo "More stuff" >>file &&
 209                 echo y | git restore -p .
 210         )
 211 '
 212
 213 # Test if the global core.precomposeunicode stops autosensing
 214 # Must be the last test case
 215 test_expect_success "respect git config --global core.precomposeunicode" '
 216         git config --global core.precomposeunicode true &&
 217         rm -rf .git &&
 218         git init &&
 219         precomposeunicode=$(git config core.precomposeunicode) &&
 220         test "$precomposeunicode" = "true"
 221 '
 222
 223 test_done