merge(third_party/git): Merge squashed git subtree at v2.23.0 r/373

Merge commit '1b593e1ea4d2af0f6444d9a7788d5d99abd6fde5' as 'third_party/git'

1 files changed, 46 insertions, 0 deletions

diff --git a/third_party/git/column.h b/third_party/git/column.h
new file mode 100644
index 0000000000..448c7440b3
--- /dev/null
+++ b/third_party/git/column.h
@@ -0,0 +1,46 @@
+#ifndef COLUMN_H
+#define COLUMN_H
+
+#define COL_LAYOUT_MASK   0x000F
+#define COL_ENABLE_MASK   0x0030   /* always, never or auto */
+#define COL_PARSEOPT      0x0040   /* --column is given from cmdline */
+#define COL_DENSE         0x0080   /* Shrink columns when possible,
+				      making space for more columns */
+
+#define COL_DISABLED      0x0000   /* must be zero */
+#define COL_ENABLED       0x0010
+#define COL_AUTO          0x0020
+
+#define COL_LAYOUT(c) ((c) & COL_LAYOUT_MASK)
+#define COL_COLUMN             0   /* Fill columns before rows */
+#define COL_ROW                1   /* Fill rows before columns */
+#define COL_PLAIN             15   /* one column */
+
+#define explicitly_enable_column(c) \
+	(((c) & COL_PARSEOPT) && column_active(c))
+
+struct column_options {
+	int width;
+	int padding;
+	const char *indent;
+	const char *nl;
+};
+
+struct option;
+int parseopt_column_callback(const struct option *, const char *, int);
+int git_column_config(const char *var, const char *value,
+		      const char *command, unsigned int *colopts);
+int finalize_colopts(unsigned int *colopts, int stdout_is_tty);
+static inline int column_active(unsigned int colopts)
+{
+	return (colopts & COL_ENABLE_MASK) == COL_ENABLED;
+}
+
+struct string_list;
+void print_columns(const struct string_list *list, unsigned int colopts,
+		   const struct column_options *opts);
+
+int run_column_filter(int colopts, const struct column_options *);
+int stop_column_filter(void);
+
+#endif