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-rw-r--r--Documentation/diff-options.txt5
-rw-r--r--combine-diff.c9
-rw-r--r--diff.c29
-rw-r--r--diff.h16
4 files changed, 47 insertions, 12 deletions
diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt
index 7b7b9e8ce..e112172ca 100644
--- a/Documentation/diff-options.txt
+++ b/Documentation/diff-options.txt
@@ -16,6 +16,11 @@
The width of the filename part can be controlled by
giving another width to it separated by a comma.
+--numstat::
+ Similar to \--stat, but shows number of added and
+ deleted lines in decimal notation and pathname without
+ abbreviation, to make it more machine friendly.
+
--summary::
Output a condensed summary of extended header information
such as creations, renames and mode changes.
diff --git a/combine-diff.c b/combine-diff.c
index 46d9121ba..65c786807 100644
--- a/combine-diff.c
+++ b/combine-diff.c
@@ -856,8 +856,10 @@ void diff_tree_combined(const unsigned char *sha1,
/* show stat against the first parent even
* when doing combined diff.
*/
- if (i == 0 && opt->output_format & DIFF_FORMAT_DIFFSTAT)
- diffopts.output_format = DIFF_FORMAT_DIFFSTAT;
+ int stat_opt = (opt->output_format &
+ (DIFF_FORMAT_NUMSTAT|DIFF_FORMAT_DIFFSTAT));
+ if (i == 0 && stat_opt)
+ diffopts.output_format = stat_opt;
else
diffopts.output_format = DIFF_FORMAT_NO_OUTPUT;
diff_tree_sha1(parent[i], sha1, "", &diffopts);
@@ -887,7 +889,8 @@ void diff_tree_combined(const unsigned char *sha1,
}
needsep = 1;
}
- else if (opt->output_format & DIFF_FORMAT_DIFFSTAT)
+ else if (opt->output_format &
+ (DIFF_FORMAT_NUMSTAT|DIFF_FORMAT_DIFFSTAT))
needsep = 1;
if (opt->output_format & DIFF_FORMAT_PATCH) {
if (needsep)
diff --git a/diff.c b/diff.c
index fb8243261..2dcad1942 100644
--- a/diff.c
+++ b/diff.c
@@ -795,6 +795,23 @@ static void show_stats(struct diffstat_t* data, struct diff_options *options)
set, total_files, adds, dels, reset);
}
+static void show_numstat(struct diffstat_t* data, struct diff_options *options)
+{
+ int i;
+
+ for (i = 0; i < data->nr; i++) {
+ struct diffstat_file *file = data->files[i];
+
+ printf("%d\t%d\t", file->added, file->deleted);
+ if (options->line_termination &&
+ quote_c_style(file->name, NULL, NULL, 0))
+ quote_c_style(file->name, NULL, stdout, 0);
+ else
+ fputs(file->name, stdout);
+ putchar(options->line_termination);
+ }
+}
+
struct checkdiff_t {
struct xdiff_emit_state xm;
const char *filename;
@@ -1731,6 +1748,7 @@ int diff_setup_done(struct diff_options *options)
DIFF_FORMAT_CHECKDIFF |
DIFF_FORMAT_NO_OUTPUT))
options->output_format &= ~(DIFF_FORMAT_RAW |
+ DIFF_FORMAT_NUMSTAT |
DIFF_FORMAT_DIFFSTAT |
DIFF_FORMAT_SUMMARY |
DIFF_FORMAT_PATCH);
@@ -1740,6 +1758,7 @@ int diff_setup_done(struct diff_options *options)
* recursive bits for other formats here.
*/
if (options->output_format & (DIFF_FORMAT_PATCH |
+ DIFF_FORMAT_NUMSTAT |
DIFF_FORMAT_DIFFSTAT |
DIFF_FORMAT_CHECKDIFF))
options->recursive = 1;
@@ -1828,6 +1847,9 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac)
else if (!strcmp(arg, "--patch-with-raw")) {
options->output_format |= DIFF_FORMAT_PATCH | DIFF_FORMAT_RAW;
}
+ else if (!strcmp(arg, "--numstat")) {
+ options->output_format |= DIFF_FORMAT_NUMSTAT;
+ }
else if (!strncmp(arg, "--stat", 6)) {
char *end;
int width = options->stat_width;
@@ -2602,7 +2624,7 @@ void diff_flush(struct diff_options *options)
separator++;
}
- if (output_format & DIFF_FORMAT_DIFFSTAT) {
+ if (output_format & (DIFF_FORMAT_DIFFSTAT|DIFF_FORMAT_NUMSTAT)) {
struct diffstat_t diffstat;
memset(&diffstat, 0, sizeof(struct diffstat_t));
@@ -2612,7 +2634,10 @@ void diff_flush(struct diff_options *options)
if (check_pair_status(p))
diff_flush_stat(p, options, &diffstat);
}
- show_stats(&diffstat, options);
+ if (output_format & DIFF_FORMAT_NUMSTAT)
+ show_numstat(&diffstat, options);
+ if (output_format & DIFF_FORMAT_DIFFSTAT)
+ show_stats(&diffstat, options);
separator++;
}
diff --git a/diff.h b/diff.h
index b48c9914e..ce3058e43 100644
--- a/diff.h
+++ b/diff.h
@@ -26,20 +26,21 @@ typedef void (*diff_format_fn_t)(struct diff_queue_struct *q,
#define DIFF_FORMAT_RAW 0x0001
#define DIFF_FORMAT_DIFFSTAT 0x0002
-#define DIFF_FORMAT_SUMMARY 0x0004
-#define DIFF_FORMAT_PATCH 0x0008
+#define DIFF_FORMAT_NUMSTAT 0x0004
+#define DIFF_FORMAT_SUMMARY 0x0008
+#define DIFF_FORMAT_PATCH 0x0010
/* These override all above */
-#define DIFF_FORMAT_NAME 0x0010
-#define DIFF_FORMAT_NAME_STATUS 0x0020
-#define DIFF_FORMAT_CHECKDIFF 0x0040
+#define DIFF_FORMAT_NAME 0x0100
+#define DIFF_FORMAT_NAME_STATUS 0x0200
+#define DIFF_FORMAT_CHECKDIFF 0x0400
/* Same as output_format = 0 but we know that -s flag was given
* and we should not give default value to output_format.
*/
-#define DIFF_FORMAT_NO_OUTPUT 0x0080
+#define DIFF_FORMAT_NO_OUTPUT 0x0800
-#define DIFF_FORMAT_CALLBACK 0x0100
+#define DIFF_FORMAT_CALLBACK 0x1000
struct diff_options {
const char *filter;
@@ -170,6 +171,7 @@ extern void diffcore_std_no_resolve(struct diff_options *);
" --patch-with-raw\n" \
" output both a patch and the diff-raw format.\n" \
" --stat show diffstat instead of patch.\n" \
+" --numstat show numeric diffstat instead of patch.\n" \
" --patch-with-stat\n" \
" output a patch and prepend its diffstat.\n" \
" --name-only show only names of changed files.\n" \