[PATCH 2/2] check-attr: Add --stdin-paths option
This allows multiple paths to be specified on stdin.
Signed-off-by: Dmitry Potapov <dpotapov@gmail.com>
---
Documentation/git-check-attr.txt | 4 ++
builtin-check-attr.c | 66 ++++++++++++++++++++++++++++++++------
t/t0003-attributes.sh | 17 ++++++++++
3 files changed, 77 insertions(+), 10 deletions(-)
diff --git a/Documentation/git-check-attr.txt b/Documentation/git-check-attr.txt
index 2b821f2..0839a57 100644
--- a/Documentation/git-check-attr.txt
+++ b/Documentation/git-check-attr.txt
@@ -9,6 +9,7 @@ git-check-attr - Display gitattributes information.
SYNOPSIS
--------
'git check-attr' attr... [--] pathname...
+'git check-attr' --stdin-paths attr... < <list-of-paths
DESCRIPTION
-----------
@@ -17,6 +18,9 @@ For every pathname, this command will list if each attr is 'unspecified',
OPTIONS
-------
+--stdin-paths::
+ Read file names from stdin instead of from the command-line.
+
\--::
Interpret all preceding arguments as attributes, and all following
arguments as path names. If not supplied, only the first argument will
diff --git a/builtin-check-attr.c b/builtin-check-attr.c
index 5a2e329..821eb5e 100644
--- a/builtin-check-attr.c
+++ b/builtin-check-attr.c
@@ -2,9 +2,19 @@
#include "cache.h"
#include "attr.h"
#include "quote.h"
+#include "parse-options.h"
-static const char check_attr_usage[] =
-"git check-attr attr... [--] pathname...";
+static int stdin_paths;
+static const char * const check_attr_usage[] = {
+"git check-attr attr... [--] pathname...",
+"git check-attr --stdin-paths attr... < <list-of-paths>",
+NULL
+};
+
+static const struct option check_attr_options[] = {
+ OPT_BOOLEAN(0 , "stdin-paths", &stdin_paths, "read file names from stdin"),
+ OPT_END()
+};
static void check_attr(int cnt, struct git_attr_check *check,
const char** name, const char *file)
@@ -27,17 +37,43 @@ static void check_attr(int cnt, struct git_attr_check *check,
}
}
+static void check_attr_stdin_paths(int cnt, struct git_attr_check *check,
+ const char** name)
+{
+ struct strbuf buf, nbuf;
+
+ strbuf_init(&buf, 0);
+ strbuf_init(&nbuf, 0);
+ while (strbuf_getline(&buf, stdin, '\n') != EOF) {
+ if (buf.buf[0] == '"') {
+ strbuf_reset(&nbuf);
+ if (unquote_c_style(&nbuf, buf.buf, NULL))
+ die("line is badly quoted");
+ strbuf_swap(&buf, &nbuf);
+ }
+ check_attr(cnt, check, name, buf.buf);
+ }
+ strbuf_release(&buf);
+ strbuf_release(&nbuf);
+}
+
int cmd_check_attr(int argc, const char **argv, const char *prefix)
{
struct git_attr_check *check;
int cnt, i, doubledash;
+ const char *errstr = NULL;
+
+ argc = parse_options(argc, argv, check_attr_options, check_attr_usage,
+ PARSE_OPT_KEEP_DASHDASH);
+ if (!argc)
+ usage_with_options(check_attr_usage, check_attr_options);
if (read_cache() < 0) {
die("invalid cache");
}
doubledash = -1;
- for (i = 1; doubledash < 0 && i < argc; i++) {
+ for (i = 0; doubledash < 0 && i < argc; i++) {
if (!strcmp(argv[i], "--"))
doubledash = i;
}
@@ -45,25 +81,35 @@ int cmd_check_attr(int argc, const char **argv, const char *prefix)
/* If there is no double dash, we handle only one attribute */
if (doubledash < 0) {
cnt = 1;
- doubledash = 1;
+ doubledash = 0;
} else
- cnt = doubledash - 1;
+ cnt = doubledash;
doubledash++;
- if (cnt <= 0 || argc < doubledash)
- usage(check_attr_usage);
+ if (cnt <= 0)
+ errstr = "No attribute specified";
+ else if (stdin_paths && doubledash < argc)
+ errstr = "Can't specify files with --stdin-paths";
+ if (errstr) {
+ error (errstr);
+ usage_with_options(check_attr_usage, check_attr_options);
+ }
+
check = xcalloc(cnt, sizeof(*check));
for (i = 0; i < cnt; i++) {
const char *name;
struct git_attr *a;
- name = argv[i + 1];
+ name = argv[i];
a = git_attr(name, strlen(name));
if (!a)
return error("%s: not a valid attribute name", name);
check[i].attr = a;
}
- for (i = doubledash; i < argc; i++)
- check_attr(cnt, check, argv+1, argv[i]);
+ if (stdin_paths)
+ check_attr_stdin_paths(cnt, check, argv);
+ else
+ for (i = doubledash; i < argc; i++)
+ check_attr(cnt, check, argv, argv[i]);
return 0;
}
diff --git a/t/t0003-attributes.sh b/t/t0003-attributes.sh
index 3d8e06a..f6901b4 100755
--- a/t/t0003-attributes.sh
+++ b/t/t0003-attributes.sh
@@ -47,6 +47,23 @@ test_expect_success 'attribute test' '
'
+test_expect_success 'attribute test: read paths from stdin' '
+
+ cat <<EOF > expect
+f: test: f
+a/f: test: f
+a/c/f: test: f
+a/g: test: a/g
+a/b/g: test: a/b/g
+b/g: test: unspecified
+a/b/h: test: a/b/h
+a/b/d/g: test: a/b/d/*
+EOF
+
+ sed -e "s/:.*//" < expect | git check-attr --stdin-paths test > actual &&
+ test_cmp expect actual
+'
+
test_expect_success 'root subdir attribute test' '
attr_check a/i a/i &&
--
1.6.0.2.447.g3befd
Dmitry Potapov <dpotapov@gmail.com>