#include "tree-walk.h"
#include "builtin.h"
#include "parse-options.h"
+ #include "string-list.h"
+ #include "run-command.h"
#include "userdiff.h"
#include "grep.h"
#include "quote.h"
}
}
+ static void append_path(struct grep_opt *opt, const void *data, size_t len)
+ {
+ struct string_list *path_list = opt->output_priv;
+
+ if (len == 1 && *(const char *)data == '\0')
+ return;
+ string_list_append(path_list, xstrndup(data, len));
+ }
+
+ static void run_pager(struct grep_opt *opt, const char *prefix)
+ {
+ struct string_list *path_list = opt->output_priv;
+ const char **argv = xmalloc(sizeof(const char *) * (path_list->nr + 1));
+ int i, status;
+
+ for (i = 0; i < path_list->nr; i++)
+ argv[i] = path_list->items[i].string;
+ argv[path_list->nr] = NULL;
+
+ if (prefix && chdir(prefix))
+ die("Failed to chdir: %s", prefix);
+ status = run_command_v_opt(argv, RUN_USING_SHELL);
+ if (status)
+ exit(status);
+ free(argv);
+ }
+
static int grep_cache(struct grep_opt *opt, const char **paths, int cached)
{
int hit = 0;
if (hit && opt->status_only)
break;
}
- free_grep_patterns(opt);
return hit;
}
die("unable to grep from object of type %s", typename(obj->type));
}
+ static int grep_objects(struct grep_opt *opt, const char **paths,
+ const struct object_array *list)
+ {
+ unsigned int i;
+ int hit = 0;
+ const unsigned int nr = list->nr;
+
+ for (i = 0; i < nr; i++) {
+ struct object *real_obj;
+ real_obj = deref_tag(list->objects[i].item, NULL, 0);
+ if (grep_object(opt, paths, real_obj, list->objects[i].name)) {
+ hit = 1;
+ if (opt->status_only)
+ break;
+ }
+ }
+ return hit;
+ }
+
static int grep_directory(struct grep_opt *opt, const char **paths)
{
struct dir_struct dir;
if (hit && opt->status_only)
break;
}
- free_grep_patterns(opt);
return hit;
}
if (!patterns)
die_errno("cannot open '%s'", arg);
while (strbuf_getline(&sb, patterns, '\n') == 0) {
+ char *s;
+ size_t len;
+
/* ignore empty line like grep does */
if (sb.len == 0)
continue;
- append_grep_pattern(grep_opt, strbuf_detach(&sb, NULL), arg,
- ++lno, GREP_PATTERN);
+
+ s = strbuf_detach(&sb, &len);
+ append_grep_pat(grep_opt, s, len, arg, ++lno, GREP_PATTERN);
}
fclose(patterns);
strbuf_release(&sb);
int cached = 0;
int seen_dashdash = 0;
int external_grep_allowed__ignored;
+ const char *show_in_pager = NULL, *default_pager = "dummy";
struct grep_opt opt;
struct object_array list = { 0, 0, NULL };
const char **paths = NULL;
+ struct string_list path_list = { NULL, 0, 0, 0 };
int i;
int dummy;
int nongit = 0, use_index = 1;
OPT_BOOLEAN(0, "all-match", &opt.all_match,
"show only matches from files that match all patterns"),
OPT_GROUP(""),
+ { OPTION_STRING, 'O', "open-files-in-pager", &show_in_pager,
+ "pager", "show matching files in the pager",
+ PARSE_OPT_OPTARG, NULL, (intptr_t)default_pager },
OPT_BOOLEAN(0, "ext-grep", &external_grep_allowed__ignored,
"allow calling of grep(1) (ignored by this build)"),
{ OPTION_CALLBACK, 0, "help-all", &options, NULL, "show usage",
argc--;
}
+ if (show_in_pager == default_pager)
+ show_in_pager = git_pager(1);
+ if (show_in_pager) {
+ opt.name_only = 1;
+ opt.null_following_name = 1;
+ opt.output_priv = &path_list;
+ opt.output = append_path;
+ string_list_append(&path_list, show_in_pager);
+ use_threads = 0;
+ }
+
if (!opt.pattern_list)
die("no pattern given.");
if (!opt.fixed && opt.ignore_case)
paths[1] = NULL;
}
+ if (show_in_pager && (cached || list.nr))
+ die("--open-files-in-pager only works on the worktree");
+
+ if (show_in_pager && opt.pattern_list && !opt.pattern_list->next) {
+ const char *pager = path_list.items[0].string;
+ int len = strlen(pager);
+
+ if (len > 4 && is_dir_sep(pager[len - 5]))
+ pager += len - 4;
+
+ if (!strcmp("less", pager) || !strcmp("vi", pager)) {
+ struct strbuf buf = STRBUF_INIT;
+ strbuf_addf(&buf, "+/%s%s",
+ strcmp("less", pager) ? "" : "*",
+ opt.pattern_list->pattern);
+ string_list_append(&path_list, buf.buf);
+ strbuf_detach(&buf, NULL);
+ }
+ }
+
+ if (!show_in_pager)
+ setup_pager();
+
+
if (!use_index) {
- int hit;
if (cached)
die("--cached cannot be used with --no-index.");
if (list.nr)
die("--no-index cannot be used with revs.");
hit = grep_directory(&opt, paths);
- if (use_threads)
- hit |= wait_all();
- return !hit;
- }
-
- if (!list.nr) {
- int hit;
+ } else if (!list.nr) {
if (!cached)
setup_work_tree();
hit = grep_cache(&opt, paths, cached);
- if (use_threads)
- hit |= wait_all();
- return !hit;
- }
-
- if (cached)
- die("both --cached and trees are given.");
-
- for (i = 0; i < list.nr; i++) {
- struct object *real_obj;
- real_obj = deref_tag(list.objects[i].item, NULL, 0);
- if (grep_object(&opt, paths, real_obj, list.objects[i].name)) {
- hit = 1;
- if (opt.status_only)
- break;
- }
+ } else {
+ if (cached)
+ die("both --cached and trees are given.");
+ hit = grep_objects(&opt, paths, &list);
}
if (use_threads)
hit |= wait_all();
+ if (hit && show_in_pager)
+ run_pager(&opt, prefix);
free_grep_patterns(&opt);
return !hit;
}
--- /dev/null
- diff expected actual
+ #!/bin/sh
+ #
+ # Copyright (c) 2006 Junio C Hamano
+ #
+
+ test_description='git grep various.
+ '
+
+ . ./test-lib.sh
+
+ cat >hello.c <<EOF
+ #include <stdio.h>
+ int main(int argc, const char **argv)
+ {
+ printf("Hello world.\n");
+ return 0;
+ /* char ?? */
+ }
+ EOF
+
+ test_expect_success setup '
+ {
+ echo foo mmap bar
+ echo foo_mmap bar
+ echo foo_mmap bar mmap
+ echo foo mmap bar_mmap
+ echo foo_mmap bar mmap baz
+ } >file &&
+ 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 &&
+ git add . &&
+ test_tick &&
+ git commit -m initial
+ '
+
+ test_expect_success 'grep should not segfault with a bad input' '
+ test_must_fail git grep "("
+ '
+
+ 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" '
+ {
+ echo ${HC}file:1:foo mmap bar
+ echo ${HC}file:3:foo_mmap bar mmap
+ echo ${HC}file:4:foo mmap bar_mmap
+ echo ${HC}file:5:foo_mmap bar mmap baz
+ } >expected &&
+ git grep -n -w -e mmap $H >actual &&
- diff expected actual
++ test_cmp expected actual
+ '
+
+ test_expect_success "grep -w $L (w)" '
+ : >expected &&
+ ! git grep -n -w -e "^w" >actual &&
+ test_cmp expected actual
+ '
+
+ test_expect_success "grep -w $L (x)" '
+ {
+ echo ${HC}x:1:x x xx x
+ } >expected &&
+ git grep -n -w -e "x xx* x" $H >actual &&
- diff expected actual
++ test_cmp expected actual
+ '
+
+ test_expect_success "grep -w $L (y-1)" '
+ {
+ echo ${HC}y:1:y yy
+ } >expected &&
+ git grep -n -w -e "^y" $H >actual &&
- diff expected actual
++ test_cmp expected actual
+ '
+
+ test_expect_success "grep -w $L (y-2)" '
+ : >expected &&
+ if git grep -n -w -e "^y y" $H >actual
+ then
+ echo should not have matched
+ cat actual
+ false
+ else
- diff expected actual
++ test_cmp expected actual
+ fi
+ '
+
+ test_expect_success "grep -w $L (z)" '
+ : >expected &&
+ if git grep -n -w -e "^z" $H >actual
+ then
+ echo should not have matched
+ cat actual
+ false
+ else
- diff expected actual
++ test_cmp expected actual
+ fi
+ '
+
+ test_expect_success "grep $L (t-1)" '
+ echo "${HC}t/t:1:test" >expected &&
+ git grep -n -e test $H >actual &&
- diff expected 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 &&
- diff expected 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" '
+ {
+ echo ${HC}t/a/v:1:vvv
+ echo ${HC}t/v:1:vvv
+ echo ${HC}v:1:vvv
+ } >expected &&
+ git grep --max-depth -1 -n -e vvv $H >actual &&
+ test_cmp expected actual
+ '
+
+ test_expect_success "grep --max-depth 0 $L" '
+ {
+ echo ${HC}v:1:vvv
+ } >expected &&
+ git grep --max-depth 0 -n -e vvv $H >actual &&
+ test_cmp expected actual
+ '
+
+ test_expect_success "grep --max-depth 0 -- '*' $L" '
+ {
+ echo ${HC}t/a/v:1:vvv
+ echo ${HC}t/v:1:vvv
+ echo ${HC}v:1:vvv
+ } >expected &&
+ git grep --max-depth 0 -n -e vvv $H -- "*" >actual &&
+ test_cmp expected actual
+ '
+
+ test_expect_success "grep --max-depth 1 $L" '
+ {
+ echo ${HC}t/v:1:vvv
+ echo ${HC}v:1:vvv
+ } >expected &&
+ git grep --max-depth 1 -n -e vvv $H >actual &&
+ test_cmp expected actual
+ '
+
+ test_expect_success "grep --max-depth 0 -- t $L" '
+ {
+ echo ${HC}t/v:1:vvv
+ } >expected &&
+ git grep --max-depth 0 -n -e vvv $H -- t >actual &&
+ test_cmp expected actual
+ '
+
+ done
+
+ 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
+ '
+
+ 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.
+ c32="0 1 2 3 4 5 6 7 8 9 a b c d e f g h i j k l m n o p q r s t u v"
+ test_expect_success 'grep -C1, hunk mark between files' '
+ for a in $c32; do for b in $c32; do : >y-$a$b; done; done &&
+ git add y-?? &&
+ git grep -C1 "^[yz]" >actual &&
+ test_cmp expected actual
+ '
+
+ test_expect_success 'grep -C1 hunk mark between files' '
+ git grep -C1 "^[yz]" >actual &&
+ test_cmp expected actual
+ '
+
+ test_expect_success 'log grep setup' '
+ echo a >>file &&
+ test_tick &&
+ GIT_AUTHOR_NAME="With * Asterisk" \
+ GIT_AUTHOR_EMAIL="xyzzy@frotz.com" \
+ git commit -a -m "second" &&
+
+ echo a >>file &&
+ test_tick &&
+ git commit -a -m "third"
+
+ '
+
+ test_expect_success 'log grep (1)' '
+ git log --author=author --pretty=tformat:%s >actual &&
+ ( echo third ; echo initial ) >expect &&
+ test_cmp expect actual
+ '
+
+ test_expect_success 'log grep (2)' '
+ git log --author=" * " -F --pretty=tformat:%s >actual &&
+ ( echo second ) >expect &&
+ test_cmp expect actual
+ '
+
+ test_expect_success 'log grep (3)' '
+ git log --author="^A U" --pretty=tformat:%s >actual &&
+ ( echo third ; echo initial ) >expect &&
+ test_cmp expect actual
+ '
+
+ test_expect_success 'log grep (4)' '
+ git log --author="frotz\.com>$" --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 &&
+ >expect &&
+ test_cmp expect actual
+ '
+
+ test_expect_success 'log --grep --author implicitly uses all-match' '
+ # 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 'grep with CE_VALID file' '
+ git update-index --assume-unchanged t/t &&
+ rm t/t &&
+ test "$(git grep test)" = "t/t:test" &&
+ 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=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
+ '
+
+ 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 = $(cat status)
+ )
+ '
+
+ cat >expected <<EOF
+ hello.c:int main(int argc, const char **argv)
+ EOF
+
+ test_expect_success 'grep -Fi' '
+ git grep -Fi "CHAR *" >actual &&
+ test_cmp expected actual
+ '
+
+ test_expect_success 'outside of git repository' '
+ rm -fr non &&
+ mkdir -p non/git/sub &&
+ echo hello >non/git/file1 &&
+ echo world >non/git/sub/file2 &&
+ echo ".*o*" >non/git/.gitignore &&
+ {
+ echo file1:hello &&
+ echo sub/file2:world
+ } >non/expect.full &&
+ echo file2:world >non/expect.sub
+ (
+ GIT_CEILING_DIRECTORIES="$(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 '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_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_done