bisect: simplify the addition of new bisect terms

diff --git a/bisect.c b/bisect.c
index a96e485038af5c84c0f8a353bfb7f5b1155a3a4c..857cf59aa3e33add42e465c68855dddde5ea7cb4 100644 (file)
--- a/bisect.c
+++ b/bisect.c
@@ -904,6 +904,36 @@ static void show_diff_tree(const char *prefix, struct commit *commit)
        log_tree_commit(&opt, commit);
 }
 
+/*
+ * The terms used for this bisect session are stored in BISECT_TERMS.
+ * We read them and store them to adapt the messages accordingly.
+ * Default is bad/good.
+ */
+void read_bisect_terms(const char **read_bad, const char **read_good)
+{
+       struct strbuf str = STRBUF_INIT;
+       const char *filename = git_path("BISECT_TERMS");
+       FILE *fp = fopen(filename, "r");
+
+       if (!fp) {
+               if (errno == ENOENT) {
+                       *read_bad = "bad";
+                       *read_good = "good";
+                       return;
+               } else {
+                       die("could not read file '%s': %s", filename,
+                               strerror(errno));
+               }
+       } else {
+               strbuf_getline(&str, fp, '\n');
+               *read_bad = strbuf_detach(&str, NULL);
+               strbuf_getline(&str, fp, '\n');
+               *read_good = strbuf_detach(&str, NULL);
+       }
+       strbuf_release(&str);
+       fclose(fp);
+}
+
 /*
  * We use the convention that exiting with an exit code 10 means that
  * the bisection process finished successfully.
@@ -920,8 +950,7 @@ int bisect_next_all(const char *prefix, int no_checkout)
        const unsigned char *bisect_rev;
        char bisect_rev_hex[GIT_SHA1_HEXSZ + 1];
 
-       term_bad = "bad";
-       term_good = "good";
+       read_bisect_terms(&term_bad, &term_good);
        if (read_bisect_refs())
                die("reading bisect refs failed");