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When running diff commands, a pathspec containing decomposed unicode code points is not converted to precomposed unicode form under Mac OS X, but we normalize the paths in the index and the history to precomposed form on that platform. As a result, the pathspec would not match and no diff is shown. Unlike many builtin commands, the "diff" family of commands do not use parse_options(), which is how other builtin commands indirectly call precompose_argv() to normalize argv[] into precomposed form on Mac OSX. Teach these commands to call precompose_argv() themselves. Note that precomopose_argv() normalizes not just paths but all command line arguments, so things like "git diff -G $string" when $string has the decomposed form would first be normalized into the precomposed form and would stop hitting the same string in the decomposed form in the diff output with this change. It is not a problem per-se, as "log" family of commands already use parse_options() and call precompose_argv()--we can think of this change as making the "diff" family of commands behave in a similar way as the commands in the "log" family. Signed-off-by: Alexander Rinass <alex@fournova.com> Helped-by: Torsten Bögershausen <tboegi@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
205 lines
6 KiB
Bash
Executable file
205 lines
6 KiB
Bash
Executable file
#!/bin/sh
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#
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# Copyright (c) 2012 Torsten Bögershausen
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#
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test_description='utf-8 decomposed (nfd) converted to precomposed (nfc)'
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. ./test-lib.sh
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if ! test_have_prereq UTF8_NFD_TO_NFC
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then
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skip_all="filesystem does not corrupt utf-8"
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test_done
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fi
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# create utf-8 variables
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Adiarnfc=$(printf '\303\204')
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Adiarnfd=$(printf 'A\314\210')
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Odiarnfc=$(printf '\303\226')
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Odiarnfd=$(printf 'O\314\210')
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AEligatu=$(printf '\303\206')
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Invalidu=$(printf '\303\377')
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#Create a string with 255 bytes (decomposed)
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Alongd=$Adiarnfd$Adiarnfd$Adiarnfd$Adiarnfd$Adiarnfd$Adiarnfd$Adiarnfd #21 Byte
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Alongd=$Alongd$Alongd$Alongd #63 Byte
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Alongd=$Alongd$Alongd$Alongd$Alongd$Adiarnfd #255 Byte
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#Create a string with 254 bytes (precomposed)
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Alongc=$AEligatu$AEligatu$AEligatu$AEligatu$AEligatu #10 Byte
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Alongc=$Alongc$Alongc$Alongc$Alongc$Alongc #50 Byte
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Alongc=$Alongc$Alongc$Alongc$Alongc$Alongc #250 Byte
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Alongc=$Alongc$AEligatu$AEligatu #254 Byte
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test_expect_success "detect if nfd needed" '
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precomposeunicode=$(git config core.precomposeunicode) &&
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test "$precomposeunicode" = true &&
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git config core.precomposeunicode true
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'
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test_expect_success "setup" '
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>x &&
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git add x &&
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git commit -m "1st commit" &&
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git rm x &&
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git commit -m "rm x"
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'
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test_expect_success "setup case mac" '
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git checkout -b mac_os
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'
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# This will test nfd2nfc in git diff
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test_expect_success "git diff f.Adiar" '
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touch f.$Adiarnfc &&
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git add f.$Adiarnfc &&
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echo f.Adiarnfc >f.$Adiarnfc &&
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git diff f.$Adiarnfd >expect &&
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git diff f.$Adiarnfc >actual &&
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test_cmp expect actual &&
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git reset HEAD f.Adiarnfc &&
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rm f.$Adiarnfc expect actual
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'
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# This will test nfd2nfc in git diff-files
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test_expect_success "git diff-files f.Adiar" '
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touch f.$Adiarnfc &&
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git add f.$Adiarnfc &&
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echo f.Adiarnfc >f.$Adiarnfc &&
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git diff-files f.$Adiarnfd >expect &&
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git diff-files f.$Adiarnfc >actual &&
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test_cmp expect actual &&
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git reset HEAD f.Adiarnfc &&
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rm f.$Adiarnfc expect actual
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'
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# This will test nfd2nfc in git diff-index
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test_expect_success "git diff-index f.Adiar" '
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touch f.$Adiarnfc &&
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git add f.$Adiarnfc &&
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echo f.Adiarnfc >f.$Adiarnfc &&
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git diff-index HEAD f.$Adiarnfd >expect &&
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git diff-index HEAD f.$Adiarnfc >actual &&
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test_cmp expect actual &&
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git reset HEAD f.Adiarnfc &&
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rm f.$Adiarnfc expect actual
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'
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# This will test nfd2nfc in readdir()
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test_expect_success "add file Adiarnfc" '
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echo f.Adiarnfc >f.$Adiarnfc &&
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git add f.$Adiarnfc &&
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git commit -m "add f.$Adiarnfc"
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'
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# This will test nfd2nfc in git diff-tree
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test_expect_success "git diff-tree f.Adiar" '
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echo f.Adiarnfc >>f.$Adiarnfc &&
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git diff-tree HEAD f.$Adiarnfd >expect &&
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git diff-tree HEAD f.$Adiarnfc >actual &&
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test_cmp expect actual &&
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git checkout f.$Adiarnfc &&
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rm expect actual
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'
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# This will test nfd2nfc in git stage()
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test_expect_success "stage file d.Adiarnfd/f.Adiarnfd" '
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mkdir d.$Adiarnfd &&
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echo d.$Adiarnfd/f.$Adiarnfd >d.$Adiarnfd/f.$Adiarnfd &&
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git stage d.$Adiarnfd/f.$Adiarnfd &&
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git commit -m "add d.$Adiarnfd/f.$Adiarnfd"
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'
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test_expect_success "add link Adiarnfc" '
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ln -s d.$Adiarnfd/f.$Adiarnfd l.$Adiarnfc &&
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git add l.$Adiarnfc &&
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git commit -m "add l.Adiarnfc"
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'
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# This will test git log
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test_expect_success "git log f.Adiar" '
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git log f.$Adiarnfc > f.Adiarnfc.log &&
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git log f.$Adiarnfd > f.Adiarnfd.log &&
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test -s f.Adiarnfc.log &&
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test -s f.Adiarnfd.log &&
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test_cmp f.Adiarnfc.log f.Adiarnfd.log &&
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rm f.Adiarnfc.log f.Adiarnfd.log
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'
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# This will test git ls-files
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test_expect_success "git lsfiles f.Adiar" '
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git ls-files f.$Adiarnfc > f.Adiarnfc.log &&
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git ls-files f.$Adiarnfd > f.Adiarnfd.log &&
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test -s f.Adiarnfc.log &&
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test -s f.Adiarnfd.log &&
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test_cmp f.Adiarnfc.log f.Adiarnfd.log &&
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rm f.Adiarnfc.log f.Adiarnfd.log
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'
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# This will test git mv
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test_expect_success "git mv" '
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git mv f.$Adiarnfd f.$Odiarnfc &&
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git mv d.$Adiarnfd d.$Odiarnfc &&
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git mv l.$Adiarnfd l.$Odiarnfc &&
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git commit -m "mv Adiarnfd Odiarnfc"
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'
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# Files can be checked out as nfc
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# And the link has been corrected from nfd to nfc
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test_expect_success "git checkout nfc" '
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rm f.$Odiarnfc &&
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git checkout f.$Odiarnfc
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'
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# Make it possible to checkout files with their NFD names
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test_expect_success "git checkout file nfd" '
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rm -f f.* &&
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git checkout f.$Odiarnfd
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'
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# Make it possible to checkout links with their NFD names
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test_expect_success "git checkout link nfd" '
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rm l.* &&
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git checkout l.$Odiarnfd
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'
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test_expect_success "setup case mac2" '
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git checkout master &&
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git reset --hard &&
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git checkout -b mac_os_2
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'
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# This will test nfd2nfc in git commit
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test_expect_success "commit file d2.Adiarnfd/f.Adiarnfd" '
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mkdir d2.$Adiarnfd &&
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echo d2.$Adiarnfd/f.$Adiarnfd >d2.$Adiarnfd/f.$Adiarnfd &&
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git add d2.$Adiarnfd/f.$Adiarnfd &&
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git commit -m "add d2.$Adiarnfd/f.$Adiarnfd" -- d2.$Adiarnfd/f.$Adiarnfd
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'
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test_expect_success "setup for long decomposed filename" '
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git checkout master &&
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git reset --hard &&
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git checkout -b mac_os_long_nfd_fn
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'
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test_expect_success "Add long decomposed filename" '
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echo longd >$Alongd &&
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git add * &&
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git commit -m "Long filename"
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'
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test_expect_success "setup for long precomposed filename" '
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git checkout master &&
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git reset --hard &&
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git checkout -b mac_os_long_nfc_fn
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'
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test_expect_success "Add long precomposed filename" '
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echo longc >$Alongc &&
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git add * &&
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git commit -m "Long filename"
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'
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test_expect_failure 'handle existing decomposed filenames' '
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echo content >"verbatim.$Adiarnfd" &&
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git -c core.precomposeunicode=false add "verbatim.$Adiarnfd" &&
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git commit -m "existing decomposed file" &&
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>expect &&
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git ls-files --exclude-standard -o "verbatim*" >untracked &&
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test_cmp expect untracked
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'
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# Test if the global core.precomposeunicode stops autosensing
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# Must be the last test case
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test_expect_success "respect git config --global core.precomposeunicode" '
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git config --global core.precomposeunicode true &&
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rm -rf .git &&
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git init &&
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precomposeunicode=$(git config core.precomposeunicode) &&
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test "$precomposeunicode" = "true"
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'
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test_done
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