index-pack: smarter memory usage when appending objects

diff --git a/t/t7002-grep.sh b/t/t7002-grep.sh
index 23eeb767f97d9640c44e48d396d1b76afb0fa5b9..7144f815c07a46e4f39a0f739fb964467fd27a16 100755 (executable)
--- a/t/t7002-grep.sh
+++ b/t/t7002-grep.sh
@@ -8,24 +8,13 @@ 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)
 {
        printf("Hello world.\n");
        return 0;
+       /* char ?? */
 }
 EOF
 
@@ -225,12 +214,91 @@ test_expect_success 'grep -e A --and --not -e B' '
        test_cmp expected actual
 '
 
+test_expect_success 'grep should ignore GREP_OPTIONS' '
+       GREP_OPTIONS=-v git grep " mmap bar\$" >actual &&
+       test_cmp expected actual
+'
+
+test_expect_success 'grep -f, non-existent file' '
+       test_must_fail git grep -f patterns
+'
+
+cat >expected <<EOF
+file:foo mmap bar
+file:foo_mmap bar
+file:foo_mmap bar mmap
+file:foo mmap bar_mmap
+file:foo_mmap bar mmap baz
+EOF
+
+cat >pattern <<EOF
+mmap
+EOF
+
+test_expect_success 'grep -f, one pattern' '
+       git grep -f pattern >actual &&
+       test_cmp expected actual
+'
+
+cat >expected <<EOF
+file:foo mmap bar
+file:foo_mmap bar
+file:foo_mmap bar mmap
+file:foo mmap bar_mmap
+file:foo_mmap bar mmap baz
+t/a/v:vvv
+t/v:vvv
+v:vvv
+EOF
+
+cat >patterns <<EOF
+mmap
+vvv
+EOF
+
+test_expect_success 'grep -f, multiple patterns' '
+       git grep -f patterns >actual &&
+       test_cmp expected actual
+'
+
+cat >expected <<EOF
+file:foo mmap bar
+file:foo_mmap bar
+file:foo_mmap bar mmap
+file:foo mmap bar_mmap
+file:foo_mmap bar mmap baz
+t/a/v:vvv
+t/v:vvv
+v:vvv
+EOF
+
+cat >patterns <<EOF
+
+mmap
+
+vvv
+
+EOF
+
+test_expect_success 'grep -f, ignore empty lines' '
+       git grep -f patterns >actual &&
+       test_cmp expected actual
+'
+
 cat >expected <<EOF
 y:y yy
 --
 z:zzz
 EOF
 
+test_expect_success 'grep -q, silently report matches' '
+       >empty &&
+       git grep -q mmap >actual &&
+       test_cmp empty actual &&
+       test_must_fail git grep -q qfwfq >actual &&
+       test_cmp empty actual
+'
+
 # Create 1024 file names that sort between "y" and "z" to make sure
 # the two files are handled by different calls to an external grep.
 # This depends on MAXARGS in builtin-grep.c being 1024 or less.
@@ -242,8 +310,8 @@ 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
 '
 
@@ -299,7 +367,7 @@ 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
 '
@@ -340,4 +408,30 @@ test_expect_success 'grep -p -B5' '
        test_cmp expected actual
 '
 
+test_expect_success 'grep from a subdirectory to search wider area (1)' '
+       mkdir -p s &&
+       (
+               cd s && git grep "x x x" ..
+       )
+'
+
+test_expect_success 'grep from a subdirectory to search wider area (2)' '
+       mkdir -p s &&
+       (
+               cd s || exit 1
+               ( git grep xxyyzz .. >out ; echo $? >status )
+               ! test -s out &&
+               test 1 = $(cat status)
+       )
+'
+
+cat >expected <<EOF
+hello.c:int main(int argc, const char **argv)
+EOF
+
+test_expect_success 'grep -Fi' '
+       git grep -Fi "CHAR *" >actual &&
+       test_cmp expected actual
+'
+
 test_done