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Add a prefix output callback to diff output

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The callback can be used to add some prefix string to each line of
diff output.

Signed-off-by: Bo Yang <struggleyb.nku@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Bo Yang
2010-05-26 15:08:02 +08:00
committed by Junio C Hamano
parent 81fa024cd8
commit a3c158d4a5
2 changed files with 40 additions and 27 deletions
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5
diff.h
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@ -9,6 +9,7 @@
struct rev_info;
struct diff_options;
struct diff_queue_struct;
struct strbuf;
typedef void (*change_fn_t)(struct diff_options *options,
unsigned old_mode, unsigned new_mode,
@ -25,6 +26,8 @@ typedef void (*add_remove_fn_t)(struct diff_options *options,
typedef void (*diff_format_fn_t)(struct diff_queue_struct *q,
struct diff_options *options, void *data);
typedef struct strbuf *(*diff_prefix_fn_t)(struct diff_options *opt, void *data);
#define DIFF_FORMAT_RAW 0x0001
#define DIFF_FORMAT_DIFFSTAT 0x0002
#define DIFF_FORMAT_NUMSTAT 0x0004
@ -130,6 +133,8 @@ struct diff_options {
add_remove_fn_t add_remove;
diff_format_fn_t format_callback;
void *format_callback_data;
diff_prefix_fn_t output_prefix;
void *output_prefix_data;
};
enum color_diff {