. ./test-lib.sh
+GIT_TRACE_WORKING_TREE_ENCODING=1 && export GIT_TRACE_WORKING_TREE_ENCODING
+
test_expect_success 'setup test files' '
git config core.eol lf &&
for i in 16 32
do
+ test_expect_success "check prohibited UTF-${i} BOM" '
+ test_when_finished "git reset --hard HEAD" &&
+
+ echo "*.utf${i}be text working-tree-encoding=utf-${i}be" >>.gitattributes &&
+ echo "*.utf${i}le text working-tree-encoding=utf-${i}LE" >>.gitattributes &&
+
+ # Here we add a UTF-16 (resp. UTF-32) files with BOM (big/little-endian)
+ # but we tell Git to treat it as UTF-16BE/UTF-16LE (resp. UTF-32).
+ # In these cases the BOM is prohibited.
+ cp bebom.utf${i}be.raw bebom.utf${i}be &&
+ test_must_fail git add bebom.utf${i}be 2>err.out &&
+ test_i18ngrep "fatal: BOM is prohibited .* utf-${i}be" err.out &&
+ test_i18ngrep "use UTF-${i} as working-tree-encoding" err.out &&
+
+ cp lebom.utf${i}le.raw lebom.utf${i}be &&
+ test_must_fail git add lebom.utf${i}be 2>err.out &&
+ test_i18ngrep "fatal: BOM is prohibited .* utf-${i}be" err.out &&
+ test_i18ngrep "use UTF-${i} as working-tree-encoding" err.out &&
+
+ cp bebom.utf${i}be.raw bebom.utf${i}le &&
+ test_must_fail git add bebom.utf${i}le 2>err.out &&
+ test_i18ngrep "fatal: BOM is prohibited .* utf-${i}LE" err.out &&
+ test_i18ngrep "use UTF-${i} as working-tree-encoding" err.out &&
+
+ cp lebom.utf${i}le.raw lebom.utf${i}le &&
+ test_must_fail git add lebom.utf${i}le 2>err.out &&
+ test_i18ngrep "fatal: BOM is prohibited .* utf-${i}LE" err.out &&
+ test_i18ngrep "use UTF-${i} as working-tree-encoding" err.out
+ '
+
+ test_expect_success "check required UTF-${i} BOM" '
+ test_when_finished "git reset --hard HEAD" &&
+
+ echo "*.utf${i} text working-tree-encoding=utf-${i}" >>.gitattributes &&
+
+ cp nobom.utf${i}be.raw nobom.utf${i} &&
+ test_must_fail git add nobom.utf${i} 2>err.out &&
+ test_i18ngrep "fatal: BOM is required .* utf-${i}" err.out &&
+ test_i18ngrep "use UTF-${i}BE or UTF-${i}LE" err.out &&
+
+ cp nobom.utf${i}le.raw nobom.utf${i} &&
+ test_must_fail git add nobom.utf${i} 2>err.out &&
+ test_i18ngrep "fatal: BOM is required .* utf-${i}" err.out &&
+ test_i18ngrep "use UTF-${i}BE or UTF-${i}LE" err.out
+ '
+
test_expect_success "eol conversion for UTF-${i} encoded files on checkout" '
test_when_finished "rm -f crlf.utf${i}.raw lf.utf${i}.raw" &&
test_when_finished "git reset --hard HEAD^" &&
test_i18ngrep "error: .* overwritten by checkout:" err.out
'
+test_expect_success 'error if encoding garbage is already in Git' '
+ BEFORE_STATE=$(git rev-parse HEAD) &&
+ test_when_finished "git reset --hard $BEFORE_STATE" &&
+
+ # Skip the UTF-16 filter for the added file
+ # This simulates a Git version that has no checkoutEncoding support
+ cp nobom.utf16be.raw nonsense.utf16 &&
+ TEST_HASH=$(git hash-object --no-filters -w nonsense.utf16) &&
+ git update-index --add --cacheinfo 100644 $TEST_HASH nonsense.utf16 &&
+ COMMIT=$(git commit-tree -p $(git rev-parse HEAD) -m "plain commit" $(git write-tree)) &&
+ git update-ref refs/heads/master $COMMIT &&
+
+ git diff 2>err.out &&
+ test_i18ngrep "error: BOM is required" err.out
+'
+
+test_expect_success 'check roundtrip encoding' '
+ test_when_finished "rm -f roundtrip.shift roundtrip.utf16" &&
+ test_when_finished "git reset --hard HEAD" &&
+
+ text="hallo there!\nroundtrip test here!" &&
+ printf "$text" | iconv -f UTF-8 -t SHIFT-JIS >roundtrip.shift &&
+ printf "$text" | iconv -f UTF-8 -t UTF-16 >roundtrip.utf16 &&
+ echo "*.shift text working-tree-encoding=SHIFT-JIS" >>.gitattributes &&
+
+ # SHIFT-JIS encoded files are round-trip checked by default...
+ GIT_TRACE=1 git add .gitattributes roundtrip.shift 2>&1 |
+ grep "Checking roundtrip encoding for SHIFT-JIS" &&
+ git reset &&
+
+ # ... unless we overwrite the Git config!
+ ! GIT_TRACE=1 git -c core.checkRoundtripEncoding=garbage \
+ add .gitattributes roundtrip.shift 2>&1 |
+ grep "Checking roundtrip encoding for SHIFT-JIS" &&
+ git reset &&
+
+ # UTF-16 encoded files should not be round-trip checked by default...
+ ! GIT_TRACE=1 git add roundtrip.utf16 2>&1 |
+ grep "Checking roundtrip encoding for UTF-16" &&
+ git reset &&
+
+ # ... unless we tell Git to check it!
+ GIT_TRACE=1 git -c core.checkRoundtripEncoding="UTF-16, UTF-32" \
+ add roundtrip.utf16 2>&1 |
+ grep "Checking roundtrip encoding for utf-16" &&
+ git reset &&
+
+ # ... unless we tell Git to check it!
+ # (here we also check that the casing of the encoding is irrelevant)
+ GIT_TRACE=1 git -c core.checkRoundtripEncoding="UTF-32, utf-16" \
+ add roundtrip.utf16 2>&1 |
+ grep "Checking roundtrip encoding for utf-16" &&
+ git reset
+'
+
test_done