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-rw-r--r--diff.c40
1 files changed, 23 insertions, 17 deletions
diff --git a/diff.c b/diff.c
index 71e4df96d4..266112ca61 100644
--- a/diff.c
+++ b/diff.c
@@ -1683,9 +1683,7 @@ static void show_stats(struct diffstat_t *data, struct diff_options *options)
del = deleted;
if (graph_width <= max_change) {
- int total = add + del;
-
- total = scale_linear(add + del, graph_width, max_change);
+ int total = scale_linear(add + del, graph_width, max_change);
if (total < 2 && add && del)
/* width >= 2 due to the sanity check */
total = 2;
@@ -2586,7 +2584,7 @@ void fill_filespec(struct diff_filespec *spec, const unsigned char *sha1,
*/
static int reuse_worktree_file(const char *name, const unsigned char *sha1, int want_file)
{
- struct cache_entry *ce;
+ const struct cache_entry *ce;
struct stat st;
int pos, len;
@@ -3505,6 +3503,11 @@ static int parse_submodule_opt(struct diff_options *options, const char *value)
return 1;
}
+static void enable_patch_output(int *fmt) {
+ *fmt &= ~DIFF_FORMAT_NO_OUTPUT;
+ *fmt |= DIFF_FORMAT_PATCH;
+}
+
int diff_opt_parse(struct diff_options *options, const char **av, int ac)
{
const char *arg = av[0];
@@ -3512,15 +3515,15 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac)
int argcount;
/* Output format options */
- if (!strcmp(arg, "-p") || !strcmp(arg, "-u") || !strcmp(arg, "--patch"))
- options->output_format |= DIFF_FORMAT_PATCH;
- else if (opt_arg(arg, 'U', "unified", &options->context))
- options->output_format |= DIFF_FORMAT_PATCH;
+ if (!strcmp(arg, "-p") || !strcmp(arg, "-u") || !strcmp(arg, "--patch")
+ || opt_arg(arg, 'U', "unified", &options->context))
+ enable_patch_output(&options->output_format);
else if (!strcmp(arg, "--raw"))
options->output_format |= DIFF_FORMAT_RAW;
- else if (!strcmp(arg, "--patch-with-raw"))
- options->output_format |= DIFF_FORMAT_PATCH | DIFF_FORMAT_RAW;
- else if (!strcmp(arg, "--numstat"))
+ else if (!strcmp(arg, "--patch-with-raw")) {
+ enable_patch_output(&options->output_format);
+ options->output_format |= DIFF_FORMAT_RAW;
+ } else if (!strcmp(arg, "--numstat"))
options->output_format |= DIFF_FORMAT_NUMSTAT;
else if (!strcmp(arg, "--shortstat"))
options->output_format |= DIFF_FORMAT_SHORTSTAT;
@@ -3542,13 +3545,14 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac)
options->output_format |= DIFF_FORMAT_CHECKDIFF;
else if (!strcmp(arg, "--summary"))
options->output_format |= DIFF_FORMAT_SUMMARY;
- else if (!strcmp(arg, "--patch-with-stat"))
- options->output_format |= DIFF_FORMAT_PATCH | DIFF_FORMAT_DIFFSTAT;
- else if (!strcmp(arg, "--name-only"))
+ else if (!strcmp(arg, "--patch-with-stat")) {
+ enable_patch_output(&options->output_format);
+ options->output_format |= DIFF_FORMAT_DIFFSTAT;
+ } else if (!strcmp(arg, "--name-only"))
options->output_format |= DIFF_FORMAT_NAME;
else if (!strcmp(arg, "--name-status"))
options->output_format |= DIFF_FORMAT_NAME_STATUS;
- else if (!strcmp(arg, "-s"))
+ else if (!strcmp(arg, "-s") || !strcmp(arg, "--no-patch"))
options->output_format |= DIFF_FORMAT_NO_OUTPUT;
else if (!prefixcmp(arg, "--stat"))
/* --stat, --stat-width, --stat-name-width, or --stat-count */
@@ -3601,6 +3605,8 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac)
DIFF_XDL_SET(options, IGNORE_WHITESPACE_CHANGE);
else if (!strcmp(arg, "--ignore-space-at-eol"))
DIFF_XDL_SET(options, IGNORE_WHITESPACE_AT_EOL);
+ else if (!strcmp(arg, "--ignore-blank-lines"))
+ DIFF_XDL_SET(options, IGNORE_BLANK_LINES);
else if (!strcmp(arg, "--patience"))
options->xdl_opts = DIFF_WITH_ALG(options, PATIENCE_DIFF);
else if (!strcmp(arg, "--histogram"))
@@ -3619,7 +3625,7 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac)
/* flags options */
else if (!strcmp(arg, "--binary")) {
- options->output_format |= DIFF_FORMAT_PATCH;
+ enable_patch_output(&options->output_format);
DIFF_OPT_SET(options, BINARY);
}
else if (!strcmp(arg, "--full-index"))
@@ -4458,7 +4464,7 @@ void diff_flush(struct diff_options *options)
DIFF_OPT_TST(options, DIFF_FROM_CONTENTS)) {
/*
* run diff_flush_patch for the exit status. setting
- * options->file to /dev/null should be safe, becaue we
+ * options->file to /dev/null should be safe, because we
* aren't supposed to produce any output anyway.
*/
if (options->close_file)