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-rwxr-xr-xt/t7810-grep.sh1922
1 files changed, 1922 insertions, 0 deletions
diff --git a/t/t7810-grep.sh b/t/t7810-grep.sh
new file mode 100755
index 0000000..875dcfd
--- /dev/null
+++ b/t/t7810-grep.sh
@@ -0,0 +1,1922 @@
+#!/bin/sh
+#
+# Copyright (c) 2006 Junio C Hamano
+#
+
+test_description='git grep various.
+'
+
+GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
+export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
+
+. ./test-lib.sh
+
+test_invalid_grep_expression() {
+ params="$@" &&
+ test_expect_success "invalid expression: grep $params" '
+ test_must_fail git grep $params -- nonexisting
+ '
+}
+
+LC_ALL=en_US.UTF-8 test-tool regex '^.$' '¿' &&
+ test_set_prereq MB_REGEX
+
+cat >hello.c <<EOF
+#include <assert.h>
+#include <stdio.h>
+
+int main(int argc, const char **argv)
+{
+ printf("Hello world.\n");
+ return 0;
+ /* char ?? */
+}
+EOF
+
+test_expect_success setup '
+ cat >file <<-\EOF &&
+ foo mmap bar
+ foo_mmap bar
+ foo_mmap bar mmap
+ foo mmap bar_mmap
+ foo_mmap bar mmap baz
+ EOF
+ cat >hello_world <<-\EOF &&
+ Hello world
+ HeLLo world
+ Hello_world
+ HeLLo_world
+ EOF
+ cat >ab <<-\EOF &&
+ a+b*c
+ a+bc
+ abc
+ EOF
+ cat >d0 <<-\EOF &&
+ d
+ 0
+ EOF
+ echo vvv >v &&
+ echo ww w >w &&
+ echo x x xx x >x &&
+ echo y yy >y &&
+ echo zzz > z &&
+ mkdir t &&
+ echo test >t/t &&
+ echo vvv >t/v &&
+ mkdir t/a &&
+ echo vvv >t/a/v &&
+ qz_to_tab_space >space <<-\EOF &&
+ line without leading space1
+ Zline with leading space1
+ Zline with leading space2
+ Zline with leading space3
+ line without leading space2
+ EOF
+ cat >hello.ps1 <<-\EOF &&
+ # No-op.
+ function dummy() {}
+
+ # Say hello.
+ function hello() {
+ echo "Hello world."
+ echo "Hello again."
+ } # hello
+
+ # Still a no-op.
+ function dummy() {}
+ EOF
+ if test_have_prereq FUNNYNAMES
+ then
+ echo unusual >"\"unusual\" pathname" &&
+ echo unusual >"t/nested \"unusual\" pathname"
+ fi &&
+ if test_have_prereq MB_REGEX
+ then
+ echo "¿" >reverse-question-mark
+ fi &&
+ git add . &&
+ test_tick &&
+ git commit -m initial
+'
+
+test_expect_success 'grep should not segfault with a bad input' '
+ test_must_fail git grep "("
+'
+
+test_invalid_grep_expression --and -e A
+
+test_pattern_type () {
+ H=$1 &&
+ HC=$2 &&
+ L=$3 &&
+ type=$4 &&
+ shift 4 &&
+
+ expected_str= &&
+ case "$type" in
+ BRE)
+ expected_str="${HC}ab:a+bc"
+ ;;
+ ERE)
+ expected_str="${HC}ab:abc"
+ ;;
+ FIX)
+ expected_str="${HC}ab:a+b*c"
+ ;;
+ *)
+ BUG "unknown pattern type '$type'"
+ ;;
+ esac &&
+ config_str="$@" &&
+
+ test_expect_success "grep $L with '$config_str' interpreted as $type" '
+ echo $expected_str >expected &&
+ git $config_str grep "a+b*c" $H ab >actual &&
+ test_cmp expected actual
+ '
+}
+
+for H in HEAD ''
+do
+ case "$H" in
+ HEAD) HC='HEAD:' L='HEAD' ;;
+ '') HC= L='in working tree' ;;
+ esac
+
+ test_expect_success "grep -w $L" '
+ cat >expected <<-EOF &&
+ ${HC}file:1:foo mmap bar
+ ${HC}file:3:foo_mmap bar mmap
+ ${HC}file:4:foo mmap bar_mmap
+ ${HC}file:5:foo_mmap bar mmap baz
+ EOF
+ git -c grep.linenumber=false grep -n -w -e mmap $H >actual &&
+ test_cmp expected actual
+ '
+
+ test_expect_success "grep -w $L (with --column)" '
+ cat >expected <<-EOF &&
+ ${HC}file:5:foo mmap bar
+ ${HC}file:14:foo_mmap bar mmap
+ ${HC}file:5:foo mmap bar_mmap
+ ${HC}file:14:foo_mmap bar mmap baz
+ EOF
+ git grep --column -w -e mmap $H >actual &&
+ test_cmp expected actual
+ '
+
+ test_expect_success "grep -w $L (with --column, extended OR)" '
+ cat >expected <<-EOF &&
+ ${HC}file:14:foo_mmap bar mmap
+ ${HC}file:19:foo_mmap bar mmap baz
+ EOF
+ git grep --column -w -e mmap$ --or -e baz $H >actual &&
+ test_cmp expected actual
+ '
+
+ test_expect_success "grep -w $L (with --column, --invert-match)" '
+ cat >expected <<-EOF &&
+ ${HC}file:1:foo mmap bar
+ ${HC}file:1:foo_mmap bar
+ ${HC}file:1:foo_mmap bar mmap
+ ${HC}file:1:foo mmap bar_mmap
+ EOF
+ git grep --column --invert-match -w -e baz $H -- file >actual &&
+ test_cmp expected actual
+ '
+
+ test_expect_success "grep $L (with --column, --invert-match, extended OR)" '
+ cat >expected <<-EOF &&
+ ${HC}hello_world:6:HeLLo_world
+ EOF
+ git grep --column --invert-match -e ll --or --not -e _ $H -- hello_world \
+ >actual &&
+ test_cmp expected actual
+ '
+
+ test_expect_success "grep $L (with --column, --invert-match, extended AND)" '
+ cat >expected <<-EOF &&
+ ${HC}hello_world:3:Hello world
+ ${HC}hello_world:3:Hello_world
+ ${HC}hello_world:6:HeLLo_world
+ EOF
+ git grep --column --invert-match --not -e _ --and --not -e ll $H -- hello_world \
+ >actual &&
+ test_cmp expected actual
+ '
+
+ test_expect_success "grep $L (with --column, double-negation)" '
+ cat >expected <<-EOF &&
+ ${HC}file:1:foo_mmap bar mmap baz
+ EOF
+ git grep --column --not \( --not -e foo --or --not -e baz \) $H -- file \
+ >actual &&
+ test_cmp expected actual
+ '
+
+ test_expect_success "grep -w $L (with --column, -C)" '
+ cat >expected <<-EOF &&
+ ${HC}file:5:foo mmap bar
+ ${HC}file-foo_mmap bar
+ ${HC}file:14:foo_mmap bar mmap
+ ${HC}file:5:foo mmap bar_mmap
+ ${HC}file:14:foo_mmap bar mmap baz
+ EOF
+ git grep --column -w -C1 -e mmap $H >actual &&
+ test_cmp expected actual
+ '
+
+ test_expect_success "grep -w $L (with --line-number, --column)" '
+ cat >expected <<-EOF &&
+ ${HC}file:1:5:foo mmap bar
+ ${HC}file:3:14:foo_mmap bar mmap
+ ${HC}file:4:5:foo mmap bar_mmap
+ ${HC}file:5:14:foo_mmap bar mmap baz
+ EOF
+ git grep -n --column -w -e mmap $H >actual &&
+ test_cmp expected actual
+ '
+
+ test_expect_success "grep -w $L (with non-extended patterns, --column)" '
+ cat >expected <<-EOF &&
+ ${HC}file:5:foo mmap bar
+ ${HC}file:10:foo_mmap bar
+ ${HC}file:10:foo_mmap bar mmap
+ ${HC}file:5:foo mmap bar_mmap
+ ${HC}file:10:foo_mmap bar mmap baz
+ EOF
+ git grep --column -w -e bar -e mmap $H >actual &&
+ test_cmp expected actual
+ '
+
+ test_expect_success "grep -w $L" '
+ cat >expected <<-EOF &&
+ ${HC}file:1:foo mmap bar
+ ${HC}file:3:foo_mmap bar mmap
+ ${HC}file:4:foo mmap bar_mmap
+ ${HC}file:5:foo_mmap bar mmap baz
+ EOF
+ git -c grep.linenumber=true grep -w -e mmap $H >actual &&
+ test_cmp expected actual
+ '
+
+ test_expect_success "grep -w $L" '
+ cat >expected <<-EOF &&
+ ${HC}file:foo mmap bar
+ ${HC}file:foo_mmap bar mmap
+ ${HC}file:foo mmap bar_mmap
+ ${HC}file:foo_mmap bar mmap baz
+ EOF
+ git -c grep.linenumber=true grep --no-line-number -w -e mmap $H >actual &&
+ test_cmp expected actual
+ '
+
+ test_expect_success "grep -w $L (w)" '
+ test_must_fail git grep -n -w -e "^w" $H >actual &&
+ test_must_be_empty actual
+ '
+
+ test_expect_success "grep -w $L (x)" '
+ cat >expected <<-EOF &&
+ ${HC}x:1:x x xx x
+ EOF
+ git grep -n -w -e "x xx* x" $H >actual &&
+ test_cmp expected actual
+ '
+
+ test_expect_success "grep -w $L (y-1)" '
+ cat >expected <<-EOF &&
+ ${HC}y:1:y yy
+ EOF
+ git grep -n -w -e "^y" $H >actual &&
+ test_cmp expected actual
+ '
+
+ test_expect_success "grep -w $L (y-2)" '
+ if git grep -n -w -e "^y y" $H >actual
+ then
+ echo should not have matched
+ cat actual
+ false
+ else
+ test_must_be_empty actual
+ fi
+ '
+
+ test_expect_success "grep -w $L (z)" '
+ if git grep -n -w -e "^z" $H >actual
+ then
+ echo should not have matched
+ cat actual
+ false
+ else
+ test_must_be_empty actual
+ fi
+ '
+
+ test_expect_success "grep $L (with --column, --only-matching)" '
+ cat >expected <<-EOF &&
+ ${HC}file:1:5:mmap
+ ${HC}file:2:5:mmap
+ ${HC}file:3:5:mmap
+ ${HC}file:3:13:mmap
+ ${HC}file:4:5:mmap
+ ${HC}file:4:13:mmap
+ ${HC}file:5:5:mmap
+ ${HC}file:5:13:mmap
+ EOF
+ git grep --column -n -o -e mmap $H >actual &&
+ test_cmp expected actual
+ '
+
+ test_expect_success "grep $L (t-1)" '
+ echo "${HC}t/t:1:test" >expected &&
+ git grep -n -e test $H >actual &&
+ test_cmp expected actual
+ '
+
+ test_expect_success "grep $L (t-2)" '
+ echo "${HC}t:1:test" >expected &&
+ (
+ cd t &&
+ git grep -n -e test $H
+ ) >actual &&
+ test_cmp expected actual
+ '
+
+ test_expect_success "grep $L (t-3)" '
+ echo "${HC}t/t:1:test" >expected &&
+ (
+ cd t &&
+ git grep --full-name -n -e test $H
+ ) >actual &&
+ test_cmp expected actual
+ '
+
+ test_expect_success "grep -c $L (no /dev/null)" '
+ ! git grep -c test $H | grep /dev/null
+ '
+
+ test_expect_success "grep --max-depth -1 $L" '
+ cat >expected <<-EOF &&
+ ${HC}t/a/v:1:vvv
+ ${HC}t/v:1:vvv
+ ${HC}v:1:vvv
+ EOF
+ git grep --max-depth -1 -n -e vvv $H >actual &&
+ test_cmp expected actual &&
+ git grep --recursive -n -e vvv $H >actual &&
+ test_cmp expected actual
+ '
+
+ test_expect_success "grep --max-depth 0 $L" '
+ cat >expected <<-EOF &&
+ ${HC}v:1:vvv
+ EOF
+ git grep --max-depth 0 -n -e vvv $H >actual &&
+ test_cmp expected actual &&
+ git grep --no-recursive -n -e vvv $H >actual &&
+ test_cmp expected actual
+ '
+
+ test_expect_success "grep --max-depth 0 -- '*' $L" '
+ cat >expected <<-EOF &&
+ ${HC}t/a/v:1:vvv
+ ${HC}t/v:1:vvv
+ ${HC}v:1:vvv
+ EOF
+ git grep --max-depth 0 -n -e vvv $H -- "*" >actual &&
+ test_cmp expected actual &&
+ git grep --no-recursive -n -e vvv $H -- "*" >actual &&
+ test_cmp expected actual
+ '
+
+ test_expect_success "grep --max-depth 1 $L" '
+ cat >expected <<-EOF &&
+ ${HC}t/v:1:vvv
+ ${HC}v:1:vvv
+ EOF
+ git grep --max-depth 1 -n -e vvv $H >actual &&
+ test_cmp expected actual
+ '
+
+ test_expect_success "grep --max-depth 0 -- t $L" '
+ cat >expected <<-EOF &&
+ ${HC}t/v:1:vvv
+ EOF
+ git grep --max-depth 0 -n -e vvv $H -- t >actual &&
+ test_cmp expected actual &&
+ git grep --no-recursive -n -e vvv $H -- t >actual &&
+ test_cmp expected actual
+ '
+
+ test_expect_success "grep --max-depth 0 -- . t $L" '
+ cat >expected <<-EOF &&
+ ${HC}t/v:1:vvv
+ ${HC}v:1:vvv
+ EOF
+ git grep --max-depth 0 -n -e vvv $H -- . t >actual &&
+ test_cmp expected actual &&
+ git grep --no-recursive -n -e vvv $H -- . t >actual &&
+ test_cmp expected actual
+ '
+
+ test_expect_success "grep --max-depth 0 -- t . $L" '
+ cat >expected <<-EOF &&
+ ${HC}t/v:1:vvv
+ ${HC}v:1:vvv
+ EOF
+ git grep --max-depth 0 -n -e vvv $H -- t . >actual &&
+ test_cmp expected actual &&
+ git grep --no-recursive -n -e vvv $H -- t . >actual &&
+ test_cmp expected actual
+ '
+
+
+ test_pattern_type "$H" "$HC" "$L" BRE -c grep.extendedRegexp=false
+ test_pattern_type "$H" "$HC" "$L" ERE -c grep.extendedRegexp=true
+ test_pattern_type "$H" "$HC" "$L" BRE -c grep.patternType=basic
+ test_pattern_type "$H" "$HC" "$L" ERE -c grep.patternType=extended
+ test_pattern_type "$H" "$HC" "$L" FIX -c grep.patternType=fixed
+
+ test_expect_success PCRE "grep $L with grep.patterntype=perl" '
+ echo "${HC}ab:a+b*c" >expected &&
+ git -c grep.patterntype=perl grep "a\x{2b}b\x{2a}c" $H ab >actual &&
+ test_cmp expected actual
+ '
+
+ test_expect_success !FAIL_PREREQS,!PCRE "grep $L with grep.patterntype=perl errors without PCRE" '
+ test_must_fail git -c grep.patterntype=perl grep "foo.*bar"
+ '
+
+ test_pattern_type "$H" "$HC" "$L" ERE \
+ -c grep.patternType=default \
+ -c grep.extendedRegexp=true
+ test_pattern_type "$H" "$HC" "$L" ERE \
+ -c grep.extendedRegexp=true \
+ -c grep.patternType=default
+ test_pattern_type "$H" "$HC" "$L" ERE \
+ -c grep.patternType=extended \
+ -c grep.extendedRegexp=false
+ test_pattern_type "$H" "$HC" "$L" BRE \
+ -c grep.patternType=basic \
+ -c grep.extendedRegexp=true
+ test_pattern_type "$H" "$HC" "$L" ERE \
+ -c grep.extendedRegexp=false \
+ -c grep.patternType=extended
+ test_pattern_type "$H" "$HC" "$L" BRE \
+ -c grep.extendedRegexp=true \
+ -c grep.patternType=basic
+
+ # grep.extendedRegexp is last-one-wins
+ test_pattern_type "$H" "$HC" "$L" BRE \
+ -c grep.extendedRegexp=true \
+ -c grep.extendedRegexp=false
+
+ # grep.patternType=basic pays no attention to grep.extendedRegexp
+ test_pattern_type "$H" "$HC" "$L" BRE \
+ -c grep.extendedRegexp=true \
+ -c grep.patternType=basic \
+ -c grep.extendedRegexp=false
+
+ # grep.patternType=extended pays no attention to grep.extendedRegexp
+ test_pattern_type "$H" "$HC" "$L" ERE \
+ -c grep.extendedRegexp=true \
+ -c grep.patternType=extended \
+ -c grep.extendedRegexp=false
+
+ # grep.extendedRegexp is used with a last-one-wins grep.patternType=default
+ test_pattern_type "$H" "$HC" "$L" ERE \
+ -c grep.patternType=fixed \
+ -c grep.extendedRegexp=true \
+ -c grep.patternType=default
+
+ # grep.extendedRegexp is used with earlier grep.patternType=default
+ test_pattern_type "$H" "$HC" "$L" ERE \
+ -c grep.extendedRegexp=false \
+ -c grep.patternType=default \
+ -c grep.extendedRegexp=true
+
+ # grep.extendedRegexp is used with a last-one-loses grep.patternType=default
+ test_pattern_type "$H" "$HC" "$L" ERE \
+ -c grep.extendedRegexp=false \
+ -c grep.extendedRegexp=true \
+ -c grep.patternType=default
+
+ # grep.extendedRegexp and grep.patternType are both last-one-wins independently
+ test_pattern_type "$H" "$HC" "$L" BRE \
+ -c grep.patternType=default \
+ -c grep.extendedRegexp=true \
+ -c grep.patternType=basic
+
+ # grep.patternType=extended and grep.patternType=default
+ test_pattern_type "$H" "$HC" "$L" BRE \
+ -c grep.patternType=extended \
+ -c grep.patternType=default
+
+ # grep.patternType=[extended -> default -> fixed] (BRE)" '
+ test_pattern_type "$H" "$HC" "$L" FIX \
+ -c grep.patternType=extended \
+ -c grep.patternType=default \
+ -c grep.patternType=fixed
+
+ test_expect_success "grep --count $L" '
+ echo ${HC}ab:3 >expected &&
+ git grep --count -e b $H -- ab >actual &&
+ test_cmp expected actual
+ '
+
+ test_expect_success "grep --count -h $L" '
+ echo 3 >expected &&
+ git grep --count -h -e b $H -- ab >actual &&
+ test_cmp expected actual
+ '
+
+ test_expect_success FUNNYNAMES "grep $L should quote unusual pathnames" '
+ cat >expected <<-EOF &&
+ ${HC}"\"unusual\" pathname":unusual
+ ${HC}"t/nested \"unusual\" pathname":unusual
+ EOF
+ git grep unusual $H >actual &&
+ test_cmp expected actual
+ '
+
+ test_expect_success FUNNYNAMES "grep $L in subdir should quote unusual relative pathnames" '
+ cat >expected <<-EOF &&
+ ${HC}"nested \"unusual\" pathname":unusual
+ EOF
+ (
+ cd t &&
+ git grep unusual $H
+ ) >actual &&
+ test_cmp expected actual
+ '
+
+ test_expect_success FUNNYNAMES "grep -z $L with unusual pathnames" '
+ cat >expected <<-EOF &&
+ ${HC}"unusual" pathname:unusual
+ ${HC}t/nested "unusual" pathname:unusual
+ EOF
+ git grep -z unusual $H >actual &&
+ tr "\0" ":" <actual >actual-replace-null &&
+ test_cmp expected actual-replace-null
+ '
+
+ test_expect_success FUNNYNAMES "grep -z $L in subdir with unusual relative pathnames" '
+ cat >expected <<-EOF &&
+ ${HC}nested "unusual" pathname:unusual
+ EOF
+ (
+ cd t &&
+ git grep -z unusual $H
+ ) >actual &&
+ tr "\0" ":" <actual >actual-replace-null &&
+ test_cmp expected actual-replace-null
+ '
+done
+
+test_expect_success MB_REGEX 'grep exactly one char in single-char multibyte file' '
+ LC_ALL=en_US.UTF-8 git grep "^.$" reverse-question-mark
+'
+
+test_expect_success MB_REGEX 'grep two chars in single-char multibyte file' '
+ LC_ALL=en_US.UTF-8 test_expect_code 1 git grep ".." reverse-question-mark
+'
+
+cat >expected <<EOF
+file
+EOF
+test_expect_success 'grep -l -C' '
+ git grep -l -C1 foo >actual &&
+ test_cmp expected actual
+'
+
+cat >expected <<EOF
+file:5
+EOF
+test_expect_success 'grep -c -C' '
+ git grep -c -C1 foo >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success 'grep -L -C' '
+ git ls-files >expected &&
+ git grep -L -C1 nonexistent_string >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success 'grep --files-without-match --quiet' '
+ git grep --files-without-match --quiet nonexistent_string >actual &&
+ test_must_be_empty actual
+'
+
+test_expect_success 'grep --max-count 0 (must exit with non-zero)' '
+ test_must_fail git grep --max-count 0 foo >actual &&
+ test_must_be_empty actual
+'
+
+test_expect_success 'grep --max-count 3' '
+ cat >expected <<-EOF &&
+ file:foo mmap bar
+ file:foo_mmap bar
+ file:foo_mmap bar mmap
+ EOF
+ git grep --max-count 3 foo >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success 'grep --max-count -1 (no limit)' '
+ 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
+ git grep --max-count -1 foo >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success 'grep --max-count 1 --context 2' '
+ cat >expected <<-EOF &&
+ file-foo mmap bar
+ file:foo_mmap bar
+ file-foo_mmap bar mmap
+ EOF
+ git grep --max-count 1 --context 1 foo_mmap >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success 'grep --max-count 1 --show-function' '
+ cat >expected <<-EOF &&
+ hello.ps1=function hello() {
+ hello.ps1: echo "Hello world."
+ EOF
+ git grep --max-count 1 --show-function Hello hello.ps1 >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success 'grep --max-count 2 --show-function' '
+ cat >expected <<-EOF &&
+ hello.ps1=function hello() {
+ hello.ps1: echo "Hello world."
+ hello.ps1: echo "Hello again."
+ EOF
+ git grep --max-count 2 --show-function Hello hello.ps1 >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success 'grep --max-count 1 --count' '
+ cat >expected <<-EOF &&
+ hello.ps1:1
+ EOF
+ git grep --max-count 1 --count Hello hello.ps1 >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success 'grep --max-count 1 (multiple files)' '
+ cat >expected <<-EOF &&
+ hello.c:#include <stdio.h>
+ hello.ps1:# No-op.
+ EOF
+ git grep --max-count 1 -e o -- hello.\* >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success 'grep --max-count 1 --context 1 (multiple files)' '
+ cat >expected <<-EOF &&
+ hello.c-#include <assert.h>
+ hello.c:#include <stdio.h>
+ hello.c-
+ --
+ hello.ps1:# No-op.
+ hello.ps1-function dummy() {}
+ EOF
+ git grep --max-count 1 --context 1 -e o -- hello.\* >actual &&
+ test_cmp expected actual
+'
+
+cat >expected <<EOF
+file:foo mmap bar_mmap
+EOF
+
+test_expect_success 'grep -e A --and -e B' '
+ git grep -e "foo mmap" --and -e bar_mmap >actual &&
+ test_cmp expected actual
+'
+
+cat >expected <<EOF
+file:foo_mmap bar mmap
+file:foo_mmap bar mmap baz
+EOF
+
+
+test_expect_success 'grep ( -e A --or -e B ) --and -e B' '
+ git grep \( -e foo_ --or -e baz \) \
+ --and -e " mmap" >actual &&
+ test_cmp expected actual
+'
+
+cat >expected <<EOF
+file:foo mmap bar
+EOF
+
+test_expect_success 'grep -e A --and --not -e B' '
+ git grep -e "foo mmap" --and --not -e bar_mmap >actual &&
+ 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
+'
+
+test_expect_success 'grep, multiple patterns' '
+ git grep "$(cat 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
+'
+
+test_expect_success 'grep -f, ignore empty lines, read patterns from stdin' '
+ git grep -f - <patterns >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success 'grep -f, use cwd relative file' '
+ test_when_finished "git rm -f sub/dir/file" &&
+ mkdir -p sub/dir &&
+ echo hit >sub/dir/file &&
+ git add sub/dir/file &&
+ echo hit >sub/dir/pattern &&
+ echo miss >pattern &&
+ (
+ cd sub/dir && git grep -f pattern file
+ ) &&
+ git -C sub/dir grep -f pattern file
+'
+
+cat >expected <<EOF
+y:y yy
+--
+z:zzz
+EOF
+
+test_expect_success 'grep -q, silently report matches' '
+ git grep -q mmap >actual &&
+ test_must_be_empty actual &&
+ test_must_fail git grep -q qfwfq >actual &&
+ test_must_be_empty actual
+'
+
+test_expect_success 'grep -C1 hunk mark between files' '
+ git grep -C1 "^[yz]" >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success 'log grep setup' '
+ test_commit --append --author "With * Asterisk <xyzzy@frotz.com>" second file a &&
+ test_commit --append third file a &&
+ test_commit --append --author "Night Fall <nitfol@frobozz.com>" fourth file a
+'
+
+test_expect_success 'log grep (1)' '
+ git log --author=author --pretty=tformat:%s >actual &&
+ {
+ echo third && echo initial
+ } >expect &&
+ test_cmp expect actual
+'
+
+test_expect_success 'log grep (2)' '
+ git log --author=" * " -F --pretty=tformat:%s >actual &&
+ {
+ echo second
+ } >expect &&
+ test_cmp expect actual
+'
+
+test_expect_success 'log grep (3)' '
+ git log --author="^A U" --pretty=tformat:%s >actual &&
+ {
+ echo third && echo initial
+ } >expect &&
+ test_cmp expect actual
+'
+
+test_expect_success 'log grep (4)' '
+ git log --author="frotz\.com>$" --pretty=tformat:%s >actual &&
+ {
+ echo second
+ } >expect &&
+ test_cmp expect actual
+'
+
+test_expect_success 'log grep (5)' '
+ git log --author=Thor -F --pretty=tformat:%s >actual &&
+ {
+ echo third && echo initial
+ } >expect &&
+ test_cmp expect actual
+'
+
+test_expect_success 'log grep (6)' '
+ git log --author=-0700 --pretty=tformat:%s >actual &&
+ test_must_be_empty actual
+'
+
+test_expect_success 'log grep (7)' '
+ git log -g --grep-reflog="commit: third" --pretty=tformat:%s >actual &&
+ echo third >expect &&
+ test_cmp expect actual
+'
+
+test_expect_success 'log grep (8)' '
+ git log -g --grep-reflog="commit: third" --grep-reflog="commit: second" --pretty=tformat:%s >actual &&
+ {
+ echo third && echo second
+ } >expect &&
+ test_cmp expect actual
+'
+
+test_expect_success 'log grep (9)' '
+ git log -g --grep-reflog="commit: third" --author="Thor" --pretty=tformat:%s >actual &&
+ echo third >expect &&
+ test_cmp expect actual
+'
+
+test_expect_success 'log grep (9)' '
+ git log -g --grep-reflog="commit: third" --author="non-existent" --pretty=tformat:%s >actual &&
+ test_must_be_empty actual
+'
+
+test_expect_success 'log --grep-reflog can only be used under -g' '
+ test_must_fail git log --grep-reflog="commit: third"
+'
+
+test_expect_success 'log with multiple --grep uses union' '
+ git log --grep=i --grep=r --format=%s >actual &&
+ {
+ echo fourth && echo third && echo initial
+ } >expect &&
+ test_cmp expect actual
+'
+
+test_expect_success 'log --all-match with multiple --grep uses intersection' '
+ git log --all-match --grep=i --grep=r --format=%s >actual &&
+ {
+ echo third
+ } >expect &&
+ test_cmp expect actual
+'
+
+test_expect_success 'log with multiple --author uses union' '
+ git log --author="Thor" --author="Aster" --format=%s >actual &&
+ {
+ echo third && echo second && echo initial
+ } >expect &&
+ test_cmp expect actual
+'
+
+test_expect_success 'log --all-match with multiple --author still uses union' '
+ git log --all-match --author="Thor" --author="Aster" --format=%s >actual &&
+ {
+ echo third && echo second && echo initial
+ } >expect &&
+ test_cmp expect actual
+'
+
+test_expect_success 'log --grep --author uses intersection' '
+ # grep matches only third and fourth
+ # author matches only initial and third
+ git log --author="A U Thor" --grep=r --format=%s >actual &&
+ {
+ echo third
+ } >expect &&
+ test_cmp expect actual
+'
+
+test_expect_success 'log --grep --grep --author takes union of greps and intersects with author' '
+ # grep matches initial and second but not third
+ # author matches only initial and third
+ git log --author="A U Thor" --grep=s --grep=l --format=%s >actual &&
+ {
+ echo initial
+ } >expect &&
+ test_cmp expect actual
+'
+
+test_expect_success 'log ---all-match -grep --author --author still takes union of authors and intersects with grep' '
+ # grep matches only initial and third
+ # author matches all but second
+ git log --all-match --author="Thor" --author="Night" --grep=i --format=%s >actual &&
+ {
+ echo third && echo initial
+ } >expect &&
+ test_cmp expect actual
+'
+
+test_expect_success 'log --grep --author --author takes union of authors and intersects with grep' '
+ # grep matches only initial and third
+ # author matches all but second
+ git log --author="Thor" --author="Night" --grep=i --format=%s >actual &&
+ {
+ echo third && echo initial
+ } >expect &&
+ test_cmp expect actual
+'
+
+test_expect_success 'log --all-match --grep --grep --author takes intersection' '
+ # grep matches only third
+ # author matches only initial and third
+ git log --all-match --author="A U Thor" --grep=i --grep=r --format=%s >actual &&
+ {
+ echo third
+ } >expect &&
+ test_cmp expect actual
+'
+
+test_expect_success 'log --author does not search in timestamp' '
+ git log --author="$GIT_AUTHOR_DATE" >actual &&
+ test_must_be_empty actual
+'
+
+test_expect_success 'log --committer does not search in timestamp' '
+ git log --committer="$GIT_COMMITTER_DATE" >actual &&
+ test_must_be_empty actual
+'
+
+test_expect_success 'grep with CE_VALID file' '
+ git update-index --assume-unchanged t/t &&
+ rm t/t &&
+ echo "t/t:test" >expect &&
+ git grep test >actual &&
+ test_cmp expect actual &&
+ git update-index --no-assume-unchanged t/t &&
+ git checkout t/t
+'
+
+cat >expected <<EOF
+hello.c=#include <stdio.h>
+hello.c: return 0;
+EOF
+
+test_expect_success 'grep -p with userdiff' '
+ git config diff.custom.funcname "^#" &&
+ echo "hello.c diff=custom" >.gitattributes &&
+ git grep -p return >actual &&
+ test_cmp expected actual
+'
+
+cat >expected <<EOF
+hello.c=int main(int argc, const char **argv)
+hello.c: return 0;
+EOF
+
+test_expect_success 'grep -p' '
+ rm -f .gitattributes &&
+ git grep -p return >actual &&
+ test_cmp expected actual
+'
+
+cat >expected <<EOF
+hello.c-#include <stdio.h>
+hello.c-
+hello.c=int main(int argc, const char **argv)
+hello.c-{
+hello.c- printf("Hello world.\n");
+hello.c: return 0;
+EOF
+
+test_expect_success 'grep -p -B5' '
+ git grep -p -B5 return >actual &&
+ test_cmp expected actual
+'
+
+cat >expected <<EOF
+hello.c=int main(int argc, const char **argv)
+hello.c-{
+hello.c- printf("Hello world.\n");
+hello.c: return 0;
+hello.c- /* char ?? */
+hello.c-}
+EOF
+
+test_expect_success 'grep -W' '
+ git grep -W return >actual &&
+ test_cmp expected actual
+'
+
+cat >expected <<EOF
+hello.c-#include <assert.h>
+hello.c:#include <stdio.h>
+EOF
+
+test_expect_success 'grep -W shows no trailing empty lines' '
+ git grep -W stdio >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success 'grep -W with userdiff' '
+ test_when_finished "rm -f .gitattributes" &&
+ git config diff.custom.xfuncname "^function .*$" &&
+ echo "hello.ps1 diff=custom" >.gitattributes &&
+ git grep -W echo >function-context-userdiff-actual
+'
+
+test_expect_success ' includes preceding comment' '
+ grep "# Say hello" function-context-userdiff-actual
+'
+
+test_expect_success ' includes function line' '
+ grep "=function hello" function-context-userdiff-actual
+'
+
+test_expect_success ' includes matching line' '
+ grep ": echo" function-context-userdiff-actual
+'
+
+test_expect_success ' includes last line of the function' '
+ grep "} # hello" function-context-userdiff-actual
+'
+
+for threads in $(test_seq 0 10)
+do
+ test_expect_success "grep --threads=$threads & -c grep.threads=$threads" "
+ git grep --threads=$threads . >actual.$threads &&
+ if test $threads -ge 1
+ then
+ test_cmp actual.\$(($threads - 1)) actual.$threads
+ fi &&
+ git -c grep.threads=$threads grep . >actual.$threads &&
+ if test $threads -ge 1
+ then
+ test_cmp actual.\$(($threads - 1)) actual.$threads
+ fi
+ "
+done
+
+test_expect_success !PTHREADS,!FAIL_PREREQS \
+ 'grep --threads=N or pack.threads=N warns when no pthreads' '
+ git grep --threads=2 Hello hello_world 2>err &&
+ grep ^warning: err >warnings &&
+ test_line_count = 1 warnings &&
+ grep -F "no threads support, ignoring --threads" err &&
+ git -c grep.threads=2 grep Hello hello_world 2>err &&
+ grep ^warning: err >warnings &&
+ test_line_count = 1 warnings &&
+ grep -F "no threads support, ignoring grep.threads" err &&
+ git -c grep.threads=2 grep --threads=4 Hello hello_world 2>err &&
+ grep ^warning: err >warnings &&
+ test_line_count = 2 warnings &&
+ grep -F "no threads support, ignoring --threads" err &&
+ grep -F "no threads support, ignoring grep.threads" err &&
+ git -c grep.threads=0 grep --threads=0 Hello hello_world 2>err &&
+ test_line_count = 0 err
+'
+
+test_expect_success 'grep from a subdirectory to search wider area (1)' '
+ mkdir -p s &&
+ (
+ cd s && git grep "x x x" ..
+ )
+'
+
+test_expect_success 'grep from a subdirectory to search wider area (2)' '
+ mkdir -p s &&
+ (
+ cd s &&
+ test_expect_code 1 git grep xxyyzz .. >out &&
+ test_must_be_empty out
+ )
+'
+
+cat >expected <<EOF
+hello.c:int main(int argc, const char **argv)
+EOF
+
+test_expect_success 'grep -Fi' '
+ git grep -Fi "CHAR *" >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success 'outside of git repository' '
+ rm -fr non &&
+ mkdir -p non/git/sub &&
+ echo hello >non/git/file1 &&
+ echo world >non/git/sub/file2 &&
+ {
+ echo file1:hello &&
+ echo sub/file2:world
+ } >non/expect.full &&
+ echo file2:world >non/expect.sub &&
+ (
+ GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
+ 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
+ ) &&
+
+ echo ".*o*" >non/git/.gitignore &&
+ (
+ GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
+ export GIT_CEILING_DIRECTORIES &&
+ cd non/git &&
+ test_must_fail git grep o &&
+ git grep --no-index --exclude-standard o >../actual.full &&
+ test_cmp ../expect.full ../actual.full &&
+
+ {
+ echo ".gitignore:.*o*" &&
+ cat ../expect.full
+ } >../expect.with.ignored &&
+ git grep --no-index --no-exclude-standard o >../actual.full &&
+ test_cmp ../expect.with.ignored ../actual.full
+ )
+'
+
+test_expect_success 'outside of git repository with fallbackToNoIndex' '
+ rm -fr non &&
+ mkdir -p non/git/sub &&
+ echo hello >non/git/file1 &&
+ echo world >non/git/sub/file2 &&
+ cat <<-\EOF >non/expect.full &&
+ file1:hello
+ sub/file2:world
+ EOF
+ echo file2:world >non/expect.sub &&
+ (
+ GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
+ export GIT_CEILING_DIRECTORIES &&
+ cd non/git &&
+ test_must_fail git -c grep.fallbackToNoIndex=false grep o &&
+ git -c grep.fallbackToNoIndex=true grep o >../actual.full &&
+ test_cmp ../expect.full ../actual.full &&
+ cd sub &&
+ test_must_fail git -c grep.fallbackToNoIndex=false grep o &&
+ git -c grep.fallbackToNoIndex=true grep o >../../actual.sub &&
+ test_cmp ../../expect.sub ../../actual.sub
+ ) &&
+
+ echo ".*o*" >non/git/.gitignore &&
+ (
+ GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
+ export GIT_CEILING_DIRECTORIES &&
+ cd non/git &&
+ test_must_fail git -c grep.fallbackToNoIndex=false grep o &&
+ git -c grep.fallbackToNoIndex=true grep --exclude-standard o >../actual.full &&
+ test_cmp ../expect.full ../actual.full &&
+
+ {
+ echo ".gitignore:.*o*" &&
+ cat ../expect.full
+ } >../expect.with.ignored &&
+ git -c grep.fallbackToNoIndex grep --no-exclude-standard o >../actual.full &&
+ test_cmp ../expect.with.ignored ../actual.full
+ )
+'
+
+test_expect_success 'no repository with path outside $cwd' '
+ test_when_finished rm -fr non &&
+ rm -fr non &&
+ mkdir -p non/git/sub non/tig &&
+ (
+ GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
+ export GIT_CEILING_DIRECTORIES &&
+ cd non/git &&
+ test_expect_code 128 git grep --no-index search .. 2>error &&
+ grep "is outside the directory tree" error
+ ) &&
+ (
+ GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
+ export GIT_CEILING_DIRECTORIES &&
+ cd non/git &&
+ test_expect_code 128 git grep --no-index search ../tig 2>error &&
+ grep "is outside the directory tree" error
+ ) &&
+ (
+ GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
+ export GIT_CEILING_DIRECTORIES &&
+ cd non/git &&
+ test_expect_code 128 git grep --no-index search ../non 2>error &&
+ grep "no such path in the working tree" error
+ )
+'
+
+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.unignored &&
+ {
+ echo ".gitignore:.*o*" &&
+ cat is/expect.unignored
+ } >is/expect.full &&
+ echo file2:world >is/expect.sub &&
+ (
+ cd is/git &&
+ git init &&
+ test_must_fail git grep o >../actual.full &&
+ test_must_be_empty ../actual.full &&
+
+ git grep --untracked o >../actual.unignored &&
+ test_cmp ../expect.unignored ../actual.unignored &&
+
+ git grep --no-index o >../actual.full &&
+ test_cmp ../expect.full ../actual.full &&
+
+ git grep --no-index --exclude-standard o >../actual.unignored &&
+ test_cmp ../expect.unignored ../actual.unignored &&
+
+ cd sub &&
+ test_must_fail git grep o >../../actual.sub &&
+ test_must_be_empty ../../actual.sub &&
+
+ git grep --no-index o >../../actual.sub &&
+ test_cmp ../../expect.sub ../../actual.sub &&
+
+ git grep --untracked o >../../actual.sub &&
+ test_cmp ../../expect.sub ../../actual.sub
+ )
+'
+
+test_expect_success 'grep --no-index descends into repos, but not .git' '
+ rm -fr non &&
+ mkdir -p non/git &&
+ (
+ GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
+ export GIT_CEILING_DIRECTORIES &&
+ cd non/git &&
+
+ echo magic >file &&
+ git init repo &&
+ (
+ cd repo &&
+ echo magic >file &&
+ git add file &&
+ git commit -m foo &&
+ echo magic >.git/file
+ ) &&
+
+ cat >expect <<-\EOF &&
+ file
+ repo/file
+ EOF
+ git grep -l --no-index magic >actual &&
+ test_cmp expect actual
+ )
+'
+
+test_expect_success 'setup double-dash tests' '
+cat >double-dash <<EOF &&
+--
+->
+other
+EOF
+git add double-dash
+'
+
+cat >expected <<EOF
+double-dash:->
+EOF
+test_expect_success 'grep -- pattern' '
+ git grep -- "->" >actual &&
+ test_cmp expected actual
+'
+test_expect_success 'grep -- pattern -- pathspec' '
+ git grep -- "->" -- double-dash >actual &&
+ test_cmp expected actual
+'
+test_expect_success 'grep -e pattern -- path' '
+ git grep -e "->" -- double-dash >actual &&
+ test_cmp expected actual
+'
+
+cat >expected <<EOF
+double-dash:--
+EOF
+test_expect_success 'grep -e -- -- path' '
+ git grep -e -- -- double-dash >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success 'dashdash disambiguates rev as rev' '
+ test_when_finished "rm -f main" &&
+ echo content >main &&
+ echo main:hello.c >expect &&
+ git grep -l o main -- hello.c >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'dashdash disambiguates pathspec as pathspec' '
+ test_when_finished "git rm -f main" &&
+ echo content >main &&
+ git add main &&
+ echo main:content >expect &&
+ git grep o -- main >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'report bogus arg without dashdash' '
+ test_must_fail git grep o does-not-exist
+'
+
+test_expect_success 'report bogus rev with dashdash' '
+ test_must_fail git grep o hello.c --
+'
+
+test_expect_success 'allow non-existent path with dashdash' '
+ # We need a real match so grep exits with success.
+ tree=$(git ls-tree HEAD |
+ sed s/hello.c/not-in-working-tree/ |
+ git mktree) &&
+ git grep o "$tree" -- not-in-working-tree
+'
+
+test_expect_success 'grep --no-index pattern -- path' '
+ rm -fr non &&
+ mkdir -p non/git &&
+ (
+ GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
+ export GIT_CEILING_DIRECTORIES &&
+ cd non/git &&
+ echo hello >hello &&
+ echo goodbye >goodbye &&
+ echo hello:hello >expect &&
+ git grep --no-index o -- hello >actual &&
+ test_cmp expect actual
+ )
+'
+
+test_expect_success 'grep --no-index complains of revs' '
+ test_must_fail git grep --no-index o main -- 2>err &&
+ test_grep "cannot be used with revs" err
+'
+
+test_expect_success 'grep --no-index prefers paths to revs' '
+ test_when_finished "rm -f main" &&
+ echo content >main &&
+ echo main:content >expect &&
+ git grep --no-index o main >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'grep --no-index does not "diagnose" revs' '
+ test_must_fail git grep --no-index o :1:hello.c 2>err &&
+ test_grep ! -i "did you mean" err
+'
+
+cat >expected <<EOF
+hello.c:int main(int argc, const char **argv)
+hello.c: printf("Hello world.\n");
+EOF
+
+test_expect_success PCRE 'grep --perl-regexp pattern' '
+ git grep --perl-regexp "\p{Ps}.*?\p{Pe}" hello.c >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success !FAIL_PREREQS,!PCRE 'grep --perl-regexp pattern errors without PCRE' '
+ test_must_fail git grep --perl-regexp "foo.*bar"
+'
+
+test_expect_success PCRE 'grep -P pattern' '
+ git grep -P "\p{Ps}.*?\p{Pe}" hello.c >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success LIBPCRE2 "grep -P with (*NO_JIT) doesn't error out" '
+ git grep -P "(*NO_JIT)\p{Ps}.*?\p{Pe}" hello.c >actual &&
+ test_cmp expected actual
+
+'
+
+test_expect_success !FAIL_PREREQS,!PCRE 'grep -P pattern errors without PCRE' '
+ test_must_fail git grep -P "foo.*bar"
+'
+
+test_expect_success 'grep pattern with grep.extendedRegexp=true' '
+ test_must_fail git -c grep.extendedregexp=true \
+ grep "\p{Ps}.*?\p{Pe}" hello.c >actual &&
+ test_must_be_empty actual
+'
+
+test_expect_success PCRE 'grep -P pattern with grep.extendedRegexp=true' '
+ git -c grep.extendedregexp=true \
+ grep -P "\p{Ps}.*?\p{Pe}" hello.c >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success PCRE 'grep -P -v pattern' '
+ cat >expected <<-\EOF &&
+ ab:a+b*c
+ ab:a+bc
+ EOF
+ git grep -P -v "abc" ab >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success PCRE 'grep -P -i pattern' '
+ cat >expected <<-EOF &&
+ hello.c: printf("Hello world.\n");
+ EOF
+ git grep -P -i "PRINTF\([^\d]+\)" hello.c >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success PCRE 'grep -P -w pattern' '
+ cat >expected <<-\EOF &&
+ hello_world:Hello world
+ hello_world:HeLLo world
+ EOF
+ git grep -P -w "He((?i)ll)o" hello_world >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success PCRE 'grep -P backreferences work (the PCRE NO_AUTO_CAPTURE flag is not set)' '
+ git grep -P -h "(?P<one>.)(?P=one)" hello_world >actual &&
+ test_cmp hello_world actual &&
+ git grep -P -h "(.)\1" hello_world >actual &&
+ test_cmp hello_world actual
+'
+
+test_expect_success 'grep -G invalidpattern properly dies ' '
+ test_must_fail git grep -G "a["
+'
+
+test_expect_success 'grep invalidpattern properly dies with grep.patternType=basic' '
+ test_must_fail git -c grep.patterntype=basic grep "a["
+'
+
+test_expect_success 'grep -E invalidpattern properly dies ' '
+ test_must_fail git grep -E "a["
+'
+
+test_expect_success 'grep invalidpattern properly dies with grep.patternType=extended' '
+ test_must_fail git -c grep.patterntype=extended grep "a["
+'
+
+test_expect_success PCRE 'grep -P invalidpattern properly dies ' '
+ test_must_fail git grep -P "a["
+'
+
+test_expect_success PCRE 'grep invalidpattern properly dies with grep.patternType=perl' '
+ test_must_fail git -c grep.patterntype=perl grep "a["
+'
+
+test_expect_success 'grep -G -E -F pattern' '
+ echo "ab:a+b*c" >expected &&
+ git grep -G -E -F "a+b*c" ab >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success 'grep pattern with grep.patternType=basic, =extended, =fixed' '
+ echo "ab:a+b*c" >expected &&
+ git \
+ -c grep.patterntype=basic \
+ -c grep.patterntype=extended \
+ -c grep.patterntype=fixed \
+ grep "a+b*c" ab >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success 'grep -E -F -G pattern' '
+ echo "ab:a+bc" >expected &&
+ git grep -E -F -G "a+b*c" ab >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success 'grep pattern with grep.patternType=extended, =fixed, =basic' '
+ echo "ab:a+bc" >expected &&
+ git \
+ -c grep.patterntype=extended \
+ -c grep.patterntype=fixed \
+ -c grep.patterntype=basic \
+ grep "a+b*c" ab >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success 'grep -F -G -E pattern' '
+ echo "ab:abc" >expected &&
+ git grep -F -G -E "a+b*c" ab >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success 'grep pattern with grep.patternType=fixed, =basic, =extended' '
+ echo "ab:abc" >expected &&
+ git \
+ -c grep.patterntype=fixed \
+ -c grep.patterntype=basic \
+ -c grep.patterntype=extended \
+ grep "a+b*c" ab >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success 'grep -G -F -P -E pattern' '
+ echo "d0:d" >expected &&
+ git grep -G -F -P -E "[\d]" d0 >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success 'grep pattern with grep.patternType=fixed, =basic, =perl, =extended' '
+ echo "d0:d" >expected &&
+ git \
+ -c grep.patterntype=fixed \
+ -c grep.patterntype=basic \
+ -c grep.patterntype=perl \
+ -c grep.patterntype=extended \
+ grep "[\d]" d0 >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success PCRE 'grep -G -F -E -P pattern' '
+ echo "d0:0" >expected &&
+ git grep -G -F -E -P "[\d]" d0 >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success PCRE 'grep pattern with grep.patternType=fixed, =basic, =extended, =perl' '
+ echo "d0:0" >expected &&
+ git \
+ -c grep.patterntype=fixed \
+ -c grep.patterntype=basic \
+ -c grep.patterntype=extended \
+ -c grep.patterntype=perl \
+ grep "[\d]" d0 >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success PCRE 'grep -P pattern with grep.patternType=fixed' '
+ echo "ab:a+b*c" >expected &&
+ git \
+ -c grep.patterntype=fixed \
+ grep -P "a\x{2b}b\x{2a}c" ab >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success 'grep -F pattern with grep.patternType=basic' '
+ echo "ab:a+b*c" >expected &&
+ git \
+ -c grep.patterntype=basic \
+ grep -F "*c" ab >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success 'grep -G pattern with grep.patternType=fixed' '
+ cat >expected <<-\EOF &&
+ ab:a+b*c
+ ab:a+bc
+ EOF
+ git \
+ -c grep.patterntype=fixed \
+ grep -G "a+b" ab >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success 'grep -E pattern with grep.patternType=fixed' '
+ cat >expected <<-\EOF &&
+ ab:a+b*c
+ ab:a+bc
+ ab:abc
+ EOF
+ git \
+ -c grep.patterntype=fixed \
+ grep -E "a+" ab >actual &&
+ test_cmp expected actual
+'
+
+cat >expected <<EOF
+hello.c<RED>:<RESET>int main(int argc, const char **argv)
+hello.c<RED>-<RESET>{
+<RED>--<RESET>
+hello.c<RED>:<RESET> /* char ?? */
+hello.c<RED>-<RESET>}
+<RED>--<RESET>
+hello_world<RED>:<RESET>Hello_world
+hello_world<RED>-<RESET>HeLLo_world
+EOF
+
+test_expect_success 'grep --color, separator' '
+ test_config color.grep.context normal &&
+ test_config color.grep.filename normal &&
+ test_config color.grep.function normal &&
+ test_config color.grep.linenumber normal &&
+ test_config color.grep.match normal &&
+ test_config color.grep.selected normal &&
+ test_config color.grep.separator red &&
+
+ git grep --color=always -A1 -e char -e lo_w hello.c hello_world |
+ test_decode_color >actual &&
+ test_cmp expected actual
+'
+
+cat >expected <<EOF
+hello.c:int main(int argc, const char **argv)
+hello.c: /* char ?? */
+
+hello_world:Hello_world
+EOF
+
+test_expect_success 'grep --break' '
+ git grep --break -e char -e lo_w hello.c hello_world >actual &&
+ test_cmp expected actual
+'
+
+cat >expected <<EOF
+hello.c:int main(int argc, const char **argv)
+hello.c-{
+--
+hello.c: /* char ?? */
+hello.c-}
+
+hello_world:Hello_world
+hello_world-HeLLo_world
+EOF
+
+test_expect_success 'grep --break with context' '
+ git grep --break -A1 -e char -e lo_w hello.c hello_world >actual &&
+ test_cmp expected actual
+'
+
+cat >expected <<EOF
+hello.c
+int main(int argc, const char **argv)
+ /* char ?? */
+hello_world
+Hello_world
+EOF
+
+test_expect_success 'grep --heading' '
+ git grep --heading -e char -e lo_w hello.c hello_world >actual &&
+ test_cmp expected actual
+'
+
+cat >expected <<EOF
+<BOLD;GREEN>hello.c<RESET>
+4:int main(int argc, const <BLACK;BYELLOW>char<RESET> **argv)
+8: /* <BLACK;BYELLOW>char<RESET> ?? */
+
+<BOLD;GREEN>hello_world<RESET>
+3:Hel<BLACK;BYELLOW>lo_w<RESET>orld
+EOF
+
+test_expect_success 'mimic ack-grep --group' '
+ test_config color.grep.context normal &&
+ test_config color.grep.filename "bold green" &&
+ test_config color.grep.function normal &&
+ test_config color.grep.linenumber normal &&
+ test_config color.grep.match "black yellow" &&
+ test_config color.grep.selected normal &&
+ test_config color.grep.separator normal &&
+
+ git grep --break --heading -n --color \
+ -e char -e lo_w hello.c hello_world |
+ test_decode_color >actual &&
+ test_cmp expected actual
+'
+
+cat >expected <<EOF
+space: line with leading space1
+space: line with leading space2
+space: line with leading space3
+EOF
+
+test_expect_success PCRE 'grep -E "^ "' '
+ git grep -E "^ " space >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success PCRE 'grep -P "^ "' '
+ git grep -P "^ " space >actual &&
+ test_cmp expected actual
+'
+
+cat >expected <<EOF
+space-line without leading space1
+space: line <RED>with <RESET>leading space1
+space: line <RED>with <RESET>leading <RED>space2<RESET>
+space: line <RED>with <RESET>leading space3
+space:line without leading <RED>space2<RESET>
+EOF
+
+test_expect_success 'grep --color -e A -e B with context' '
+ test_config color.grep.context normal &&
+ test_config color.grep.filename normal &&
+ test_config color.grep.function normal &&
+ test_config color.grep.linenumber normal &&
+ test_config color.grep.matchContext normal &&
+ test_config color.grep.matchSelected red &&
+ test_config color.grep.selected normal &&
+ test_config color.grep.separator normal &&
+
+ git grep --color=always -C2 -e "with " -e space2 space |
+ test_decode_color >actual &&
+ test_cmp expected actual
+'
+
+cat >expected <<EOF
+space-line without leading space1
+space- line with leading space1
+space: line <RED>with <RESET>leading <RED>space2<RESET>
+space- line with leading space3
+space-line without leading space2
+EOF
+
+test_expect_success 'grep --color -e A --and -e B with context' '
+ test_config color.grep.context normal &&
+ test_config color.grep.filename normal &&
+ test_config color.grep.function normal &&
+ test_config color.grep.linenumber normal &&
+ test_config color.grep.matchContext normal &&
+ test_config color.grep.matchSelected red &&
+ test_config color.grep.selected normal &&
+ test_config color.grep.separator normal &&
+
+ git grep --color=always -C2 -e "with " --and -e space2 space |
+ test_decode_color >actual &&
+ test_cmp expected actual
+'
+
+cat >expected <<EOF
+space-line without leading space1
+space: line <RED>with <RESET>leading space1
+space- line with leading space2
+space: line <RED>with <RESET>leading space3
+space-line without leading space2
+EOF
+
+test_expect_success 'grep --color -e A --and --not -e B with context' '
+ test_config color.grep.context normal &&
+ test_config color.grep.filename normal &&
+ test_config color.grep.function normal &&
+ test_config color.grep.linenumber normal &&
+ test_config color.grep.matchContext normal &&
+ test_config color.grep.matchSelected red &&
+ test_config color.grep.selected normal &&
+ test_config color.grep.separator normal &&
+
+ git grep --color=always -C2 -e "with " --and --not -e space2 space |
+ test_decode_color >actual &&
+ test_cmp expected actual
+'
+
+cat >expected <<EOF
+hello.c-
+hello.c=int main(int argc, const char **argv)
+hello.c-{
+hello.c: pr<RED>int<RESET>f("<RED>Hello<RESET> world.\n");
+hello.c- return 0;
+hello.c- /* char ?? */
+hello.c-}
+EOF
+
+test_expect_success 'grep --color -e A --and -e B -p with context' '
+ test_config color.grep.context normal &&
+ test_config color.grep.filename normal &&
+ test_config color.grep.function normal &&
+ test_config color.grep.linenumber normal &&
+ test_config color.grep.matchContext normal &&
+ test_config color.grep.matchSelected red &&
+ test_config color.grep.selected normal &&
+ test_config color.grep.separator normal &&
+
+ git grep --color=always -p -C3 -e int --and -e Hello --no-index hello.c |
+ test_decode_color >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success 'grep can find things only in the work tree' '
+ : >work-tree-only &&
+ git add work-tree-only &&
+ test_when_finished "git rm -f work-tree-only" &&
+ echo "find in work tree" >work-tree-only &&
+ git grep --quiet "find in work tree" &&
+ test_must_fail git grep --quiet --cached "find in work tree" &&
+ test_must_fail git grep --quiet "find in work tree" HEAD
+'
+
+test_expect_success 'grep can find things only in the work tree (i-t-a)' '
+ echo "intend to add this" >intend-to-add &&
+ git add -N intend-to-add &&
+ test_when_finished "git rm -f intend-to-add" &&
+ git grep --quiet "intend to add this" &&
+ test_must_fail git grep --quiet --cached "intend to add this" &&
+ test_must_fail git grep --quiet "intend to add this" HEAD
+'
+
+test_expect_success 'grep does not search work tree with assume unchanged' '
+ echo "intend to add this" >intend-to-add &&
+ git add -N intend-to-add &&
+ git update-index --assume-unchanged intend-to-add &&
+ test_when_finished "git rm -f intend-to-add" &&
+ test_must_fail git grep --quiet "intend to add this" &&
+ test_must_fail git grep --quiet --cached "intend to add this" &&
+ test_must_fail git grep --quiet "intend to add this" HEAD
+'
+
+test_expect_success 'grep can find things only in the index' '
+ echo "only in the index" >cache-this &&
+ git add cache-this &&
+ rm cache-this &&
+ test_when_finished "git rm --cached cache-this" &&
+ test_must_fail git grep --quiet "only in the index" &&
+ git grep --quiet --cached "only in the index" &&
+ test_must_fail git grep --quiet "only in the index" HEAD
+'
+
+test_expect_success 'grep does not report i-t-a with -L --cached' '
+ echo "intend to add this" >intend-to-add &&
+ git add -N intend-to-add &&
+ test_when_finished "git rm -f intend-to-add" &&
+ git ls-files | grep -v "^intend-to-add\$" >expected &&
+ git grep -L --cached "nonexistent_string" >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success 'grep does not report i-t-a and assume unchanged with -L' '
+ echo "intend to add this" >intend-to-add-assume-unchanged &&
+ git add -N intend-to-add-assume-unchanged &&
+ test_when_finished "git rm -f intend-to-add-assume-unchanged" &&
+ git update-index --assume-unchanged intend-to-add-assume-unchanged &&
+ git ls-files | grep -v "^intend-to-add-assume-unchanged\$" >expected &&
+ git grep -L "nonexistent_string" >actual &&
+ test_cmp expected actual
+'
+
+test_done