git-commit-vandalism/t/t3910-mac-os-precompose.sh
Junio C Hamano 8b25dee615 Merge branch 'tb/precompose-prefix-too'
When commands are started from a subdirectory, they may have to
compare the path to the subdirectory (called prefix and found out
from $(pwd)) with the tracked paths.  On macOS, $(pwd) and
readdir() yield decomposed path, while the tracked paths are
usually normalized to the precomposed form, causing mismatch.  This
has been fixed by taking the same approach used to normalize the
command line arguments.

* tb/precompose-prefix-too:
  MacOS: precompose_argv_prefix()
2021-02-12 14:21:04 -08:00

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#!/bin/sh
#
# Copyright (c) 2012 Torsten Bögershausen
#
test_description='utf-8 decomposed (nfd) converted to precomposed (nfc)'
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
. ./test-lib.sh
if ! test_have_prereq UTF8_NFD_TO_NFC
then
skip_all="filesystem does not corrupt utf-8"
test_done
fi
# create utf-8 variables
Adiarnfc=$(printf '\303\204')
Adiarnfd=$(printf 'A\314\210')
Odiarnfc=$(printf '\303\226')
Odiarnfd=$(printf 'O\314\210')
AEligatu=$(printf '\303\206')
Invalidu=$(printf '\303\377')
#Create a string with 255 bytes (decomposed)
Alongd=$Adiarnfd$Adiarnfd$Adiarnfd$Adiarnfd$Adiarnfd$Adiarnfd$Adiarnfd #21 Byte
Alongd=$Alongd$Alongd$Alongd #63 Byte
Alongd=$Alongd$Alongd$Alongd$Alongd$Adiarnfd #255 Byte
#Create a string with 254 bytes (precomposed)
Alongc=$AEligatu$AEligatu$AEligatu$AEligatu$AEligatu #10 Byte
Alongc=$Alongc$Alongc$Alongc$Alongc$Alongc #50 Byte
Alongc=$Alongc$Alongc$Alongc$Alongc$Alongc #250 Byte
Alongc=$Alongc$AEligatu$AEligatu #254 Byte
test_expect_success "detect if nfd needed" '
precomposeunicode=$(git config core.precomposeunicode) &&
test "$precomposeunicode" = true &&
git config core.precomposeunicode true
'
test_expect_success "setup" '
>x &&
git add x &&
git commit -m "1st commit" &&
git rm x &&
git commit -m "rm x"
'
test_expect_success "setup case mac" '
git checkout -b mac_os
'
# This will test nfd2nfc in git diff
test_expect_success "git diff f.Adiar" '
touch f.$Adiarnfc &&
git add f.$Adiarnfc &&
echo f.Adiarnfc >f.$Adiarnfc &&
git diff f.$Adiarnfd >expect &&
git diff f.$Adiarnfc >actual &&
test_cmp expect actual &&
git reset HEAD f.Adiarnfc &&
rm f.$Adiarnfc expect actual
'
# This will test nfd2nfc in git diff-files
test_expect_success "git diff-files f.Adiar" '
touch f.$Adiarnfc &&
git add f.$Adiarnfc &&
echo f.Adiarnfc >f.$Adiarnfc &&
git diff-files f.$Adiarnfd >expect &&
git diff-files f.$Adiarnfc >actual &&
test_cmp expect actual &&
git reset HEAD f.Adiarnfc &&
rm f.$Adiarnfc expect actual
'
# This will test nfd2nfc in git diff-index
test_expect_success "git diff-index f.Adiar" '
touch f.$Adiarnfc &&
git add f.$Adiarnfc &&
echo f.Adiarnfc >f.$Adiarnfc &&
git diff-index HEAD f.$Adiarnfd >expect &&
git diff-index HEAD f.$Adiarnfc >actual &&
test_cmp expect actual &&
git reset HEAD f.Adiarnfc &&
rm f.$Adiarnfc expect actual
'
# This will test nfd2nfc in readdir()
test_expect_success "add file Adiarnfc" '
echo f.Adiarnfc >f.$Adiarnfc &&
git add f.$Adiarnfc &&
git commit -m "add f.$Adiarnfc"
'
# This will test nfd2nfc in git diff-tree
test_expect_success "git diff-tree f.Adiar" '
echo f.Adiarnfc >>f.$Adiarnfc &&
git diff-tree HEAD f.$Adiarnfd >expect &&
git diff-tree HEAD f.$Adiarnfc >actual &&
test_cmp expect actual &&
git checkout f.$Adiarnfc &&
rm expect actual
'
# This will test nfd2nfc in git stage()
test_expect_success "stage file d.Adiarnfd/f.Adiarnfd" '
mkdir d.$Adiarnfd &&
echo d.$Adiarnfd/f.$Adiarnfd >d.$Adiarnfd/f.$Adiarnfd &&
git stage d.$Adiarnfd/f.$Adiarnfd &&
git commit -m "add d.$Adiarnfd/f.$Adiarnfd"
'
test_expect_success "add link Adiarnfc" '
ln -s d.$Adiarnfd/f.$Adiarnfd l.$Adiarnfc &&
git add l.$Adiarnfc &&
git commit -m "add l.Adiarnfc"
'
# This will test git log
test_expect_success "git log f.Adiar" '
git log f.$Adiarnfc > f.Adiarnfc.log &&
git log f.$Adiarnfd > f.Adiarnfd.log &&
test -s f.Adiarnfc.log &&
test -s f.Adiarnfd.log &&
test_cmp f.Adiarnfc.log f.Adiarnfd.log &&
rm f.Adiarnfc.log f.Adiarnfd.log
'
# This will test git ls-files
test_expect_success "git lsfiles f.Adiar" '
git ls-files f.$Adiarnfc > f.Adiarnfc.log &&
git ls-files f.$Adiarnfd > f.Adiarnfd.log &&
test -s f.Adiarnfc.log &&
test -s f.Adiarnfd.log &&
test_cmp f.Adiarnfc.log f.Adiarnfd.log &&
rm f.Adiarnfc.log f.Adiarnfd.log
'
# This will test git mv
test_expect_success "git mv" '
git mv f.$Adiarnfd f.$Odiarnfc &&
git mv d.$Adiarnfd d.$Odiarnfc &&
git mv l.$Adiarnfd l.$Odiarnfc &&
git commit -m "mv Adiarnfd Odiarnfc"
'
# Files can be checked out as nfc
# And the link has been corrected from nfd to nfc
test_expect_success "git checkout nfc" '
rm f.$Odiarnfc &&
git checkout f.$Odiarnfc
'
# Make it possible to checkout files with their NFD names
test_expect_success "git checkout file nfd" '
rm -f f.* &&
git checkout f.$Odiarnfd
'
# Make it possible to checkout links with their NFD names
test_expect_success "git checkout link nfd" '
rm l.* &&
git checkout l.$Odiarnfd
'
test_expect_success "setup case mac2" '
git checkout main &&
git reset --hard &&
git checkout -b mac_os_2
'
# This will test nfd2nfc in git commit
test_expect_success "commit file d2.Adiarnfd/f.Adiarnfd" '
mkdir d2.$Adiarnfd &&
echo d2.$Adiarnfd/f.$Adiarnfd >d2.$Adiarnfd/f.$Adiarnfd &&
git add d2.$Adiarnfd/f.$Adiarnfd &&
git commit -m "add d2.$Adiarnfd/f.$Adiarnfd" -- d2.$Adiarnfd/f.$Adiarnfd
'
test_expect_success "setup for long decomposed filename" '
git checkout main &&
git reset --hard &&
git checkout -b mac_os_long_nfd_fn
'
test_expect_success "Add long decomposed filename" '
echo longd >$Alongd &&
git add * &&
git commit -m "Long filename"
'
test_expect_success "setup for long precomposed filename" '
git checkout main &&
git reset --hard &&
git checkout -b mac_os_long_nfc_fn
'
test_expect_success "Add long precomposed filename" '
echo longc >$Alongc &&
git add * &&
git commit -m "Long filename"
'
test_expect_failure 'handle existing decomposed filenames' '
echo content >"verbatim.$Adiarnfd" &&
git -c core.precomposeunicode=false add "verbatim.$Adiarnfd" &&
git commit -m "existing decomposed file" &&
git ls-files --exclude-standard -o "verbatim*" >untracked &&
test_must_be_empty untracked
'
test_expect_success "unicode decomposed: git restore -p . " '
DIRNAMEPWD=dir.Odiarnfc &&
DIRNAMEINREPO=dir.$Adiarnfc &&
export DIRNAMEPWD DIRNAMEINREPO &&
git init "$DIRNAMEPWD" &&
(
cd "$DIRNAMEPWD" &&
mkdir "$DIRNAMEINREPO" &&
cd "$DIRNAMEINREPO" &&
echo "Initial" >file &&
git add file &&
echo "More stuff" >>file &&
echo y | git restore -p .
)
'
# Test if the global core.precomposeunicode stops autosensing
# Must be the last test case
test_expect_success "respect git config --global core.precomposeunicode" '
git config --global core.precomposeunicode true &&
rm -rf .git &&
git init &&
precomposeunicode=$(git config core.precomposeunicode) &&
test "$precomposeunicode" = "true"
'
test_done