transport-helper.c: refactor set_helper_option()

diff --git a/diff-no-index.c b/diff-no-index.c
index 0320605a84178ffb2ab9384b8ee9fbac7df16a73..03daadb25af835a695c7d0baf466b0e1f82b58c4 100644 (file)
--- a/diff-no-index.c
+++ b/diff-no-index.c
@@ -136,15 +136,13 @@ static int queue_diff(struct diff_options *o,
 
                if (name1) {
                        strbuf_addstr(&buffer1, name1);
-                       if (buffer1.len && buffer1.buf[buffer1.len - 1] != '/')
-                               strbuf_addch(&buffer1, '/');
+                       strbuf_complete(&buffer1, '/');
                        len1 = buffer1.len;
                }
 
                if (name2) {
                        strbuf_addstr(&buffer2, name2);
-                       if (buffer2.len && buffer2.buf[buffer2.len - 1] != '/')
-                               strbuf_addch(&buffer2, '/');
+                       strbuf_complete(&buffer2, '/');
                        len2 = buffer2.len;
                }
 
@@ -239,12 +237,12 @@ static void fixup_paths(const char **path, struct strbuf *replacement)
 }
 
 void diff_no_index(struct rev_info *revs,
-                  int argc, const char **argv,
-                  const char *prefix)
+                  int argc, const char **argv)
 {
        int i, prefixlen;
        const char *paths[2];
        struct strbuf replacement = STRBUF_INIT;
+       const char *prefix = revs->prefix;
 
        diff_setup(&revs->diffopt);
        for (i = 1; i < argc - 2; ) {
@@ -254,7 +252,8 @@ void diff_no_index(struct rev_info *revs,
                else if (!strcmp(argv[i], "--"))
                        i++;
                else {
-                       j = diff_opt_parse(&revs->diffopt, argv + i, argc - i);
+                       j = diff_opt_parse(&revs->diffopt, argv + i, argc - i,
+                                          revs->prefix);
                        if (j <= 0)
                                die("invalid diff option/value: %s", argv[i]);
                        i += j;