diff options
Diffstat (limited to 'diff.c')
| -rw-r--r-- | diff.c | 20 |
1 files changed, 17 insertions, 3 deletions
@@ -2899,11 +2899,16 @@ static void run_external_diff(const char *pgm, struct diff_filespec *one, struct diff_filespec *two, const char *xfrm_msg, - int complete_rewrite) + int complete_rewrite, + struct diff_options *o) { const char *spawn_arg[10]; int retval; const char **arg = &spawn_arg[0]; + struct diff_queue_struct *q = &diff_queued_diff; + const char *env[3] = { NULL }; + char env_counter[50]; + char env_total[50]; if (one && two) { struct diff_tempfile *temp_one, *temp_two; @@ -2928,7 +2933,14 @@ static void run_external_diff(const char *pgm, } *arg = NULL; fflush(NULL); - retval = run_command_v_opt(spawn_arg, RUN_USING_SHELL); + + 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); + + retval = run_command_v_opt_cd_env(spawn_arg, RUN_USING_SHELL, NULL, env); remove_tempfile(); if (retval) { fprintf(stderr, "external diff died, stopping at %s.\n", name); @@ -3042,7 +3054,7 @@ static void run_diff_cmd(const char *pgm, if (pgm) { run_external_diff(pgm, name, other, one, two, xfrm_msg, - complete_rewrite); + complete_rewrite, o); return; } if (one && two) @@ -3317,6 +3329,8 @@ void diff_setup_done(struct diff_options *options) options->output_format = DIFF_FORMAT_NO_OUTPUT; DIFF_OPT_SET(options, EXIT_WITH_STATUS); } + + options->diff_path_counter = 0; } static int opt_arg(const char *arg, int arg_short, const char *arg_long, int *val) |