diff --git a/Documentation/git-grep.txt b/Documentation/git-grep.txt
index 4b32322..8fdd8e1 100644
--- a/Documentation/git-grep.txt
+++ b/Documentation/git-grep.txt
@@ -14,6 +14,7 @@ SYNOPSIS
[-E | --extended-regexp] [-G | --basic-regexp]
[-F | --fixed-strings] [-n]
[-l | --files-with-matches] [-L | --files-without-match]
+ [-O | --open-files-in-pager]
[-z | --null]
[-c | --count] [--all-match] [-q | --quiet]
[--max-depth <depth>]
@@ -104,6 +105,13 @@ OPTIONS
For better compatibility with 'git diff', `--name-only` is a
synonym for `--files-with-matches`.
+-O::
+--open-files-in-pager::
+ Open the matching files in the pager (not the output of 'grep').
+ If the pager happens to be "less" or "vi", and the user
+ specified only one pattern, the first file is positioned at
+ the first match automatically.
+
-z::
--null::
Output \0 instead of the character that normally follows a
diff --git a/builtin/grep.c b/builtin/grep.c
index b194ea3..bc6c2ea 100644
--- a/builtin/grep.c
+++ b/builtin/grep.c
@@ -11,6 +11,8 @@
#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"
@@ -556,7 +558,34 @@ static int grep_file(struct grep_opt *opt, const char *filename)
}
}
-static int grep_cache(struct grep_opt *opt, const char **paths, int cached)
+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(xstrndup(data, len), path_list);
+}
+
+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))
+ error("Failed to chdir: %s", prefix);
+ status = run_command_v_opt(argv, RUN_USING_SHELL);
+ if (status)
+ exit(status);
+}
+
+static int grep_cache(struct grep_opt *opt, const char **paths,
+ int cached, int show_in_pager, const char *prefix)
{
int hit = 0;
int nr;@@ -590,6 +619,8 @@ static int grep_cache(struct grep_opt *opt, const char **paths, int cached)
if (hit && opt->status_only)
break;
}
+ if (hit && show_in_pager)
+ run_pager(opt, prefix);
free_grep_patterns(opt);
return hit;
}
@@ -675,7 +706,8 @@ static int grep_object(struct grep_opt *opt, const char **paths,
die("unable to grep from object of type %s", typename(obj->type));
}
-static int grep_directory(struct grep_opt *opt, const char **paths)
+static int grep_directory(struct grep_opt *opt, const char **paths,
+ int show_in_pager, const char *prefix)
{
struct dir_struct dir;
int i, hit = 0;@@ -689,6 +721,8 @@ static int grep_directory(struct grep_opt *opt, const char **paths)
if (hit && opt->status_only)
break;
}
+ if (hit && show_in_pager)
+ run_pager(opt, prefix);
free_grep_patterns(opt);
return hit;
}
@@ -782,9 +816,11 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
int cached = 0;
int seen_dashdash = 0;
int external_grep_allowed__ignored;
+ int show_in_pager = 0;
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;@@ -868,6 +904,8 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
OPT_BOOLEAN(0, "all-match", &opt.all_match,
"show only matches from files that match all patterns"),
OPT_GROUP(""),
+ OPT_BOOLEAN('O', "open-files-in-pager", &show_in_pager,
+ "show matching files in the 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",@@ -943,6 +981,20 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
argc--;
}
+ if (show_in_pager) {
+ const char *pager = git_pager(1);
+ if (!pager) {
+ show_in_pager = 0;
+ } else {
+ opt.name_only = 1;
+ opt.null_following_name = 1;
+ opt.output_priv = &path_list;
+ opt.output = append_path;
+ string_list_append(pager, &path_list);
+ use_threads = 0;
+ }
+ }
+
if (!opt.pattern_list)
die("no pattern given.");
if (!opt.fixed && opt.ignore_case)@@ -999,13 +1051,36 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
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(buf.buf, &path_list);
+ 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);
+ hit = grep_directory(&opt, paths, show_in_pager, prefix);
if (use_threads)
hit |= wait_all();
return !hit;@@ -1016,7 +1091,7 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
if (!cached)
setup_work_tree();
- hit = grep_cache(&opt, paths, cached);
+ hit = grep_cache(&opt, paths, cached, show_in_pager, prefix);
if (use_threads)
hit |= wait_all();
return !hit;
diff --git a/git.c b/git.c
index 99f0363..265fa09 100644
--- a/git.c
+++ b/git.c
@@ -329,7 +329,7 @@ static void handle_internal_command(int argc, const char **argv)
{ "fsck-objects", cmd_fsck, RUN_SETUP },
{ "gc", cmd_gc, RUN_SETUP },
{ "get-tar-commit-id", cmd_get_tar_commit_id },
- { "grep", cmd_grep, USE_PAGER },
+ { "grep", cmd_grep },
{ "hash-object", cmd_hash_object },
{ "help", cmd_help },
{ "index-pack", cmd_index_pack },diff --git a/t/lib-pager.sh b/t/lib-pager.sh
new file mode 100644
index 0000000..f8c6025
--- /dev/null
+++ b/t/lib-pager.sh
@@ -0,0 +1,15 @@
+#!/bin/sh
+
+test_expect_success 'determine default pager' '
+ test_might_fail git config --unset core.pager &&
+ less=$(
+ unset PAGER GIT_PAGER;
+ git var GIT_PAGER
+ ) &&
+ test -n "$less"
+'
+
+if expr "$less" : '^[a-z][a-z]*$' >/dev/null
+then
+ test_set_prereq SIMPLEPAGER
+fi
diff --git a/t/t7006-pager.sh b/t/t7006-pager.sh
index 3bc7a2a..fc993fc 100755
--- a/t/t7006-pager.sh
+++ b/t/t7006-pager.sh
@@ -3,6 +3,7 @@
test_description='Test automatic use of a pager.'
. ./test-lib.sh
+. "$TEST_DIRECTORY"/lib-pager.sh
cleanup_fail() {
echo >&2 cleanup failed@@ -158,21 +159,12 @@ test_expect_success 'color when writing to a file intended for a pager' '
colorful colorful.log
'
-test_expect_success 'determine default pager' '
- unset PAGER GIT_PAGER &&
- test_might_fail git config --unset core.pager ||
- cleanup_fail &&
-
- less=$(git var GIT_PAGER) &&
- test -n "$less"
-'
-
-if expr "$less" : '^[a-z][a-z]*$' >/dev/null && test_have_prereq TTY
+if test_have_prereq SIMPLEPAGER && test_have_prereq TTY
then
- test_set_prereq SIMPLEPAGER
+ test_set_prereq SIMPLEPAGERTTY
fi
-test_expect_success SIMPLEPAGER 'default pager is used by default' '
+test_expect_success SIMPLEPAGERTTY 'default pager is used by default' '
unset PAGER GIT_PAGER &&
test_might_fail git config --unset core.pager &&
rm -f default_pager_used ||
diff --git a/t/t7002-grep.sh b/t/t7810-grep.sh
similarity index 100%
rename from t/t7002-grep.sh
rename to t/t7810-grep.sh
diff --git a/t/t7811-grep-open.sh b/t/t7811-grep-open.sh
new file mode 100644
index 0000000..72e4023
--- /dev/null
+++ b/t/t7811-grep-open.sh
@@ -0,0 +1,154 @@
+#!/bin/sh
+
+test_description='git grep --open-files-in-pager
+'
+
+. ./test-lib.sh
+. "$TEST_DIRECTORY"/lib-pager.sh
+unset PAGER GIT_PAGER
+
+test_expect_success 'setup' '
+ test_commit initial grep.h "
+enum grep_pat_token {
+ GREP_PATTERN,
+ GREP_PATTERN_HEAD,
+ GREP_PATTERN_BODY,
+ GREP_AND,
+ GREP_OPEN_PAREN,
+ GREP_CLOSE_PAREN,
+ GREP_NOT,
+ GREP_OR,
+};" &&
+
+ test_commit add-user revision.c "
+ }
+ if (seen_dashdash)
+ read_pathspec_from_stdin(revs, &sb, prune);
+ strbuf_release(&sb);
+}
+
+static void add_grep(struct rev_info *revs, const char *ptn, enum grep_pat_token what)
+{
+ append_grep_pattern(&revs->grep_filter, ptn, \"command line\", 0, what);
+" &&
+
+ mkdir subdir &&
+ test_commit subdir subdir/grep.c "enum grep_pat_token" &&
+
+ test_commit uninteresting unrelated "hello, world" &&
+
+ echo GREP_PATTERN >untracked
+'
+
+test_expect_success SIMPLEPAGER 'git grep -O' '
+ cat >$less <<-\EOF &&
+ #!/bin/sh
+ printf "%s\n" "$@" >pager-args
+ EOF
+ chmod +x $less &&
+ cat >expect.less <<-\EOF &&
+ +/*GREP_PATTERN
+ grep.h
+ EOF
+ echo grep.h >expect.notless &&
+ >empty &&
+
+ PATH=.:$PATH git grep -O GREP_PATTERN >out &&
+ {
+ test_cmp expect.less pager-args ||
+ test_cmp expect.notless pager-args
+ } &&
+ test_cmp empty out
+'
+
+test_expect_success 'git grep -O --cached' '
+ test_must_fail git grep --cached -O GREP_PATTERN >out 2>msg &&
+ grep open-files-in-pager msg
+'
+
+test_expect_success 'git grep -O --no-index' '
+ rm -f expect.less pager-args out &&
+ cat >expect <<-\EOF &&
+ grep.h
+ untracked
+ EOF
+ >empty &&
+
+ (
+ GIT_PAGER='\''printf "%s\n" >pager-args'\'' &&
+ export GIT_PAGER &&
+ git grep --no-index -O GREP_PATTERN >out
+ ) &&
+ test_cmp expect pager-args &&
+ test_cmp empty out
+'
+
+test_expect_success 'setup: fake "less"' '
+ cat >less <<-\EOF
+ #!/bin/sh
+ printf "%s\n" "$@" >actual
+ EOF
+'
+
+test_expect_success 'git grep -O jumps to line in less' '
+ cat >expect <<-\EOF &&
+ +/*GREP_PATTERN
+ grep.h
+ EOF
+ >empty &&
+
+ GIT_PAGER=./less git grep -O GREP_PATTERN >out
+ test_cmp expect actual &&
+ test_cmp empty out
+'
+
+test_expect_success 'modified file' '
+ rm -f actual &&
+ cat >less <<-\EOF &&
+ #!/bin/sh
+ printf "%s\n" "$@" >actual
+ EOF
+ chmod +x $less &&
+ cat >expect <<-\EOF &&
+ +/*enum grep_pat_token
+ grep.h
+ revision.c
+ subdir/grep.c
+ unrelated
+ EOF
+ >empty &&
+
+ echo "enum grep_pat_token" >unrelated &&
+ test_when_finished "git checkout HEAD unrelated" &&
+ GIT_PAGER=./less git grep -F -O "enum grep_pat_token" >out &&
+ test_cmp expect actual &&
+ test_cmp empty out
+'
+
+test_expect_success 'run from subdir' '
+ rm -f actual &&
+ echo grep.c >expect &&
+ >empty &&
+
+ (
+ cd subdir &&
+ export GIT_PAGER &&
+ GIT_PAGER='\''printf "%s\n" >../args'\'' &&
+ git grep -O "enum grep_pat_token" >../out
+ GIT_PAGER="pwd >../dir; :" &&
+ git grep -O "enum grep_pat_token" >../out2
+ ) &&
+ case $(cat dir) in
+ *subdir)
+ : good
+ ;;
+ *)
+ false
+ ;;
+ esac &&
+ test_cmp expect args &&
+ test_cmp empty out &&
+ test_cmp empty out2
+'
+
+test_done--
1.7.1