diff options
Diffstat (limited to 't/t7008-grep-binary.sh')
| -rwxr-xr-x | t/t7008-grep-binary.sh | 199 |
1 files changed, 174 insertions, 25 deletions
diff --git a/t/t7008-grep-binary.sh b/t/t7008-grep-binary.sh index e058d184d1..615e7e0162 100755 --- a/t/t7008-grep-binary.sh +++ b/t/t7008-grep-binary.sh @@ -4,8 +4,43 @@ test_description='git grep in binary files' . ./test-lib.sh +nul_match () { + matches=$1 + flags=$2 + pattern=$3 + pattern_human=$(echo "$pattern" | sed 's/Q/<NUL>/g') + + if test "$matches" = 1 + then + test_expect_success "git grep -f f $flags '$pattern_human' a" " + printf '$pattern' | q_to_nul >f && + git grep -f f $flags a + " + elif test "$matches" = 0 + then + test_expect_success "git grep -f f $flags '$pattern_human' a" " + printf '$pattern' | q_to_nul >f && + test_must_fail git grep -f f $flags a + " + elif test "$matches" = T1 + then + test_expect_failure "git grep -f f $flags '$pattern_human' a" " + printf '$pattern' | q_to_nul >f && + git grep -f f $flags a + " + elif test "$matches" = T0 + then + test_expect_failure "git grep -f f $flags '$pattern_human' a" " + printf '$pattern' | q_to_nul >f && + test_must_fail git grep -f f $flags a + " + else + test_expect_success "PANIC: Test framework error. Unknown matches value $matches" 'false' + fi +} + test_expect_success 'setup' " - echo 'binaryQfile' | q_to_nul >a && + echo 'binaryQfileQm[*]cQ*æQð' | q_to_nul >a && git add a && git commit -m. " @@ -69,34 +104,148 @@ test_expect_failure 'git grep .fi a' ' git grep .fi a ' -test_expect_success 'git grep -F y<NUL>f a' " - printf 'yQf' | q_to_nul >f && - git grep -f f -F a -" +nul_match 1 '-F' 'yQf' +nul_match 0 '-F' 'yQx' +nul_match 1 '-Fi' 'YQf' +nul_match 0 '-Fi' 'YQx' +nul_match 1 '' 'yQf' +nul_match 0 '' 'yQx' +nul_match 1 '' 'æQð' +nul_match 1 '-F' 'eQm[*]c' +nul_match 1 '-Fi' 'EQM[*]C' + +# Regex patterns that would match but shouldn't with -F +nul_match 0 '-F' 'yQ[f]' +nul_match 0 '-F' '[y]Qf' +nul_match 0 '-Fi' 'YQ[F]' +nul_match 0 '-Fi' '[Y]QF' +nul_match 0 '-F' 'æQ[ð]' +nul_match 0 '-F' '[æ]Qð' +nul_match 0 '-Fi' 'ÆQ[Ð]' +nul_match 0 '-Fi' '[Æ]QÐ' + +# kwset is disabled on -i & non-ASCII. No way to match non-ASCII \0 +# patterns case-insensitively. +nul_match T1 '-i' 'ÆQÐ' + +# \0 implicitly disables regexes. This is an undocumented internal +# limitation. +nul_match T1 '' 'yQ[f]' +nul_match T1 '' '[y]Qf' +nul_match T1 '-i' 'YQ[F]' +nul_match T1 '-i' '[Y]Qf' +nul_match T1 '' 'æQ[ð]' +nul_match T1 '' '[æ]Qð' +nul_match T1 '-i' 'ÆQ[Ð]' + +# ... because of \0 implicitly disabling regexes regexes that +# should/shouldn't match don't do the right thing. +nul_match T1 '' 'eQm.*cQ' +nul_match T1 '-i' 'EQM.*cQ' +nul_match T0 '' 'eQm[*]c' +nul_match T0 '-i' 'EQM[*]C' + +# Due to the REG_STARTEND extension when kwset() is disabled on -i & +# non-ASCII the string will be matched in its entirety, but the +# pattern will be cut off at the first \0. +nul_match 0 '-i' 'NOMATCHQð' +nul_match T0 '-i' '[Æ]QNOMATCH' +nul_match T0 '-i' '[æ]QNOMATCH' +# Matches, but for the wrong reasons, just stops at [æ] +nul_match 1 '-i' '[Æ]Qð' +nul_match 1 '-i' '[æ]Qð' + +# Ensure that the matcher doesn't regress to something that stops at +# \0 +nul_match 0 '-F' 'yQ[f]' +nul_match 0 '-Fi' 'YQ[F]' +nul_match 0 '' 'yQNOMATCH' +nul_match 0 '' 'QNOMATCH' +nul_match 0 '-i' 'YQNOMATCH' +nul_match 0 '-i' 'QNOMATCH' +nul_match 0 '-F' 'æQ[ð]' +nul_match 0 '-Fi' 'ÆQ[Ð]' +nul_match 0 '' 'yQNÓMATCH' +nul_match 0 '' 'QNÓMATCH' +nul_match 0 '-i' 'YQNÓMATCH' +nul_match 0 '-i' 'QNÓMATCH' + +test_expect_success 'grep respects binary diff attribute' ' + echo text >t && + git add t && + echo t:text >expect && + git grep text t >actual && + test_cmp expect actual && + echo "t -diff" >.gitattributes && + echo "Binary file t matches" >expect && + git grep text t >actual && + test_cmp expect actual +' -test_expect_success 'git grep -F y<NUL>x a' " - printf 'yQx' | q_to_nul >f && - test_must_fail git grep -f f -F a -" +test_expect_success 'grep --cached respects binary diff attribute' ' + git grep --cached text t >actual && + test_cmp expect actual +' -test_expect_success 'git grep -Fi Y<NUL>f a' " - printf 'YQf' | q_to_nul >f && - git grep -f f -Fi a -" +test_expect_success 'grep --cached respects binary diff attribute (2)' ' + git add .gitattributes && + rm .gitattributes && + git grep --cached text t >actual && + test_when_finished "git rm --cached .gitattributes" && + test_when_finished "git checkout .gitattributes" && + test_cmp expect actual +' -test_expect_failure 'git grep -Fi Y<NUL>x a' " - printf 'YQx' | q_to_nul >f && - test_must_fail git grep -f f -Fi a -" +test_expect_success 'grep revision respects binary diff attribute' ' + git commit -m new && + echo "Binary file HEAD:t matches" >expect && + git grep text HEAD -- t >actual && + test_when_finished "git reset HEAD^" && + test_cmp expect actual +' -test_expect_success 'git grep y<NUL>f a' " - printf 'yQf' | q_to_nul >f && - git grep -f f a -" +test_expect_success 'grep respects not-binary diff attribute' ' + echo binQary | q_to_nul >b && + git add b && + echo "Binary file b matches" >expect && + git grep bin b >actual && + test_cmp expect actual && + echo "b diff" >.gitattributes && + echo "b:binQary" >expect && + git grep bin b >actual.raw && + nul_to_q <actual.raw >actual && + test_cmp expect actual +' -test_expect_failure 'git grep y<NUL>x a' " - printf 'yQx' | q_to_nul >f && - test_must_fail git grep -f f a -" +cat >nul_to_q_textconv <<'EOF' +#!/bin/sh +"$PERL_PATH" -pe 'y/\000/Q/' < "$1" +EOF +chmod +x nul_to_q_textconv + +test_expect_success 'setup textconv filters' ' + echo a diff=foo >.gitattributes && + git config diff.foo.textconv "\"$(pwd)\""/nul_to_q_textconv +' + +test_expect_success 'grep does not honor textconv' ' + test_must_fail git grep Qfile +' + +test_expect_success 'grep --textconv honors textconv' ' + echo "a:binaryQfileQm[*]cQ*æQð" >expect && + git grep --textconv Qfile >actual && + test_cmp expect actual +' + +test_expect_success 'grep --no-textconv does not honor textconv' ' + test_must_fail git grep --no-textconv Qfile +' + +test_expect_success 'grep --textconv blob honors textconv' ' + echo "HEAD:a:binaryQfileQm[*]cQ*æQð" >expect && + git grep --textconv Qfile HEAD:a >actual && + test_cmp expect actual +' test_done |