[PATCH 07/12] add core.columns

["Nguyễn Thái Ngọc Duy" <pclouds@gmail.com>]

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
---
 Documentation/config.txt |    8 ++++++++
 cache.h                  |    1 +
 config.c                 |    6 ++++++
 environment.c            |    1 +
 4 files changed, 16 insertions(+), 0 deletions(-)

diff --git a/Documentation/config.txt b/Documentation/config.txt
index c80262b..d299eaf 100644
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -533,6 +533,14 @@ core.sparseCheckout::
 	Enable "sparse checkout" feature. See section "Sparse checkout" in
 	linkgit:git-read-tree[1] for more information.
 
+core.columns::
+	Specify whether a command should output in columns. Only commands
+	that support `--columns` will be affected by this. This variable can
+	take either `never` (do not output in columns), `auto` (output in
+	columns if the output is to a terminal) or `always` (always output in
+	columns). Setting `--columns` or `--no-columns` will override this
+	variable. This option defaults to never.
+
 add.ignore-errors::
 	Tells 'git add' to continue adding files when some files cannot be
 	added due to indexing errors. Equivalent to the '--ignore-errors'
diff --git a/cache.h b/cache.h
index 124f100..84211d2 100644
--- a/cache.h
+++ b/cache.h
@@ -549,6 +549,7 @@ extern int read_replace_refs;
 extern int fsync_object_files;
 extern int core_preload_index;
 extern int core_apply_sparse_checkout;
+extern int core_column_output;
 
 enum safe_crlf {
 	SAFE_CRLF_FALSE = 0,
diff --git a/config.c b/config.c
index 6963fbe..602c4f6 100644
--- a/config.c
+++ b/config.c
@@ -7,6 +7,7 @@
  */
 #include "cache.h"
 #include "exec_cmd.h"
+#include "color.h"
 
 #define MAXNAME (256)
 
@@ -523,6 +524,11 @@ static int git_default_core_config(const char *var, const char *value)
 		return 0;
 	}
 
+	if (!strcmp(var, "core.columns")) {
+		core_column_output = git_config_colorbool(var, value, -1);
+		return 0;
+	}
+
 	/* Add other config variables here and to Documentation/config.txt. */
 	return 0;
 }
diff --git a/environment.c b/environment.c
index 876c5e5..4329435 100644
--- a/environment.c
+++ b/environment.c
@@ -52,6 +52,7 @@ enum object_creation_mode object_creation_mode = OBJECT_CREATION_MODE;
 char *notes_ref_name;
 int grafts_replace_parents = 1;
 int core_apply_sparse_checkout;
+int core_column_output;
 
 /* Parallel index stat data preload? */
 int core_preload_index = 0;
-- 
1.7.0.1.370.gd3c5