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-rw-r--r--diff.c60
1 files changed, 28 insertions, 32 deletions
diff --git a/diff.c b/diff.c
index 68bb8c5a84..bba9a558a6 100644
--- a/diff.c
+++ b/diff.c
@@ -1361,7 +1361,7 @@ static struct diffstat_file *diffstat_add(struct diffstat_t *diffstat,
const char *name_b)
{
struct diffstat_file *x;
- x = xcalloc(sizeof (*x), 1);
+ x = xcalloc(1, sizeof(*x));
ALLOC_GROW(diffstat->files, diffstat->nr + 1, diffstat->alloc);
diffstat->files[diffstat->nr++] = x;
if (name_b) {
@@ -2880,6 +2880,16 @@ static struct diff_tempfile *prepare_temp_file(const char *name,
return temp;
}
+static void add_external_diff_name(struct argv_array *argv,
+ const char *name,
+ struct diff_filespec *df)
+{
+ struct diff_tempfile *temp = prepare_temp_file(name, df);
+ argv_array_push(argv, temp->name);
+ argv_array_push(argv, temp->hex);
+ argv_array_push(argv, temp->mode);
+}
+
/* An external diff command takes:
*
* diff-cmd name infile1 infile1-sha1 infile1-mode \
@@ -2896,48 +2906,32 @@ static void run_external_diff(const char *pgm,
struct diff_options *o)
{
struct argv_array argv = ARGV_ARRAY_INIT;
- int retval;
+ struct argv_array env = ARGV_ARRAY_INIT;
struct diff_queue_struct *q = &diff_queued_diff;
- const char *env[3] = { NULL };
- char env_counter[50];
- char env_total[50];
+
+ argv_array_push(&argv, pgm);
+ argv_array_push(&argv, name);
if (one && two) {
- struct diff_tempfile *temp_one, *temp_two;
- const char *othername = (other ? other : name);
- temp_one = prepare_temp_file(name, one);
- temp_two = prepare_temp_file(othername, two);
- argv_array_push(&argv, pgm);
- argv_array_push(&argv, name);
- argv_array_push(&argv, temp_one->name);
- argv_array_push(&argv, temp_one->hex);
- argv_array_push(&argv, temp_one->mode);
- argv_array_push(&argv, temp_two->name);
- argv_array_push(&argv, temp_two->hex);
- argv_array_push(&argv, temp_two->mode);
- if (other) {
+ add_external_diff_name(&argv, name, one);
+ if (!other)
+ add_external_diff_name(&argv, name, two);
+ else {
+ add_external_diff_name(&argv, other, two);
argv_array_push(&argv, other);
argv_array_push(&argv, xfrm_msg);
}
- } else {
- argv_array_push(&argv, pgm);
- argv_array_push(&argv, name);
}
- fflush(NULL);
- env[0] = env_counter;
- snprintf(env_counter, sizeof(env_counter), "GIT_DIFF_PATH_COUNTER=%d",
- ++o->diff_path_counter);
- env[1] = env_total;
- snprintf(env_total, sizeof(env_total), "GIT_DIFF_PATH_TOTAL=%d", q->nr);
+ argv_array_pushf(&env, "GIT_DIFF_PATH_COUNTER=%d", ++o->diff_path_counter);
+ argv_array_pushf(&env, "GIT_DIFF_PATH_TOTAL=%d", q->nr);
+
+ if (run_command_v_opt_cd_env(argv.argv, RUN_USING_SHELL, NULL, env.argv))
+ die(_("external diff died, stopping at %s"), name);
- retval = run_command_v_opt_cd_env(argv.argv, RUN_USING_SHELL, NULL, env);
remove_tempfile();
argv_array_clear(&argv);
- if (retval) {
- fprintf(stderr, "external diff died, stopping at %s.\n", name);
- exit(1);
- }
+ argv_array_clear(&env);
}
static int similarity_index(struct diff_filepair *p)
@@ -3205,6 +3199,7 @@ void diff_setup(struct diff_options *options)
options->context = diff_context_default;
DIFF_OPT_SET(options, RENAME_EMPTY);
+ /* pathchange left =NULL by default */
options->change = diff_change;
options->add_remove = diff_addremove;
options->use_color = diff_use_color_default;
@@ -4752,6 +4747,7 @@ void diffcore_fix_diff_index(struct diff_options *options)
void diffcore_std(struct diff_options *options)
{
+ /* NOTE please keep the following in sync with diff_tree_combined() */
if (options->skip_stat_unmatch)
diffcore_skip_stat_unmatch(options);
if (!options->found_follow) {