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Merge branch 'jc/grep-lookahead'

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* jc/grep-lookahead:
  grep --no-index: allow use of "git grep" outside a git repository
  grep: prepare to run outside of a work tree
  grep: rip out pessimization to use fixmatch()
  grep: rip out support for external grep
  grep: optimize built-in grep by skipping lines that do not hit

Conflicts:
	builtin-grep.c
	t/t7002-grep.sh
This commit is contained in:
Junio C Hamano
2010-01-20 14:43:41 -08:00
parent 886932e281 308162372d
commit 34349bea60
7 changed files with 166 additions and 370 deletions
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74
t/t7002-grep.sh
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@ -8,18 +8,6 @@ test_description='git grep various.
. ./test-lib.sh
test_expect_success 'Check for external grep support' '
case "$(git grep -h 2>&1|grep ext-grep)" in
*"(default)"*)
test_set_prereq EXTGREP
true;;
*"(ignored by this build)"*)
true;;
*)
false;;
esac
'
cat >hello.c <<EOF
#include <stdio.h>
int main(int argc, const char **argv)
@ -314,8 +302,8 @@ test_expect_success 'grep -C1, hunk mark between files' '
test_cmp expected actual
'
test_expect_success 'grep -C1 --no-ext-grep, hunk mark between files' '
git grep -C1 --no-ext-grep "^[yz]" >actual &&
test_expect_success 'grep -C1 hunk mark between files' '
git grep -C1 "^[yz]" >actual &&
test_cmp expected actual
'
@ -371,7 +359,7 @@ test_expect_success 'log grep (6)' '
test_expect_success 'grep with CE_VALID file' '
git update-index --assume-unchanged t/t &&
rm t/t &&
test "$(git grep --no-ext-grep test)" = "t/t:test" &&
test "$(git grep test)" = "t/t:test" &&
git update-index --no-assume-unchanged t/t &&
git checkout t/t
'
@ -438,16 +426,56 @@ test_expect_success 'grep -Fi' '
test_cmp expected actual
'
test_expect_success EXTGREP 'external grep is called' '
GIT_TRACE=2 git grep foo >/dev/null 2>actual &&
grep "trace: grep:.*foo" actual >/dev/null
test_expect_success 'outside of git repository' '
rm -fr non &&
mkdir -p non/git/sub &&
echo hello >non/git/file1 &&
echo world >non/git/sub/file2 &&
echo ".*o*" >non/git/.gitignore &&
{
echo file1:hello &&
echo sub/file2:world
} >non/expect.full &&
echo file2:world >non/expect.sub
(
GIT_CEILING_DIRECTORIES="$(pwd)/non/git" &&
export GIT_CEILING_DIRECTORIES &&
cd non/git &&
test_must_fail git grep o &&
git grep --no-index o >../actual.full &&
test_cmp ../expect.full ../actual.full
cd sub &&
test_must_fail git grep o &&
git grep --no-index o >../../actual.sub &&
test_cmp ../../expect.sub ../../actual.sub
)
'
test_expect_success EXTGREP 'no external grep when skip-worktree entries exist' '
git update-index --skip-worktree file &&
GIT_TRACE=2 git grep foo >/dev/null 2>actual &&
! grep "trace: grep:" actual >/dev/null &&
git update-index --no-skip-worktree file
test_expect_success 'inside git repository but with --no-index' '
rm -fr is &&
mkdir -p is/git/sub &&
echo hello >is/git/file1 &&
echo world >is/git/sub/file2 &&
echo ".*o*" >is/git/.gitignore &&
{
echo file1:hello &&
echo sub/file2:world
} >is/expect.full &&
: >is/expect.empty &&
echo file2:world >is/expect.sub
(
cd is/git &&
git init &&
test_must_fail git grep o >../actual.full &&
test_cmp ../expect.empty ../actual.full &&
git grep --no-index o >../actual.full &&
test_cmp ../expect.full ../actual.full &&
cd sub &&
test_must_fail git grep o >../../actual.sub &&
test_cmp ../../expect.empty ../../actual.sub &&
git grep --no-index o >../../actual.sub &&
test_cmp ../../expect.sub ../../actual.sub
)
'
test_done