convert git-grep to use grep_source interface

diff --git a/diff.c b/diff.c
index d922b77aef2da84824a8e14fc21961e36e6d2e36..7e154265f778c645192cbf17c65b9bea2a507402 100644 (file)
--- a/diff.c
+++ b/diff.c
@@ -1113,6 +1113,15 @@ static void fn_out_consume(void *priv, char *line, unsigned long len)
                        diff_words_append(line, len,
                                          &ecbdata->diff_words->plus);
                        return;
+               } else if (!prefixcmp(line, "\\ ")) {
+                       /*
+                        * Eat the "no newline at eof" marker as if we
+                        * saw a "+" or "-" line with nothing on it,
+                        * and return without diff_words_flush() to
+                        * defer processing. If this is the end of
+                        * preimage, more "+" lines may come after it.
+                        */
+                       return;
                }
                diff_words_flush(ecbdata);
                if (ecbdata->diff_words->type == DIFF_WORDS_PORCELAIN) {
@@ -2169,6 +2178,8 @@ static void builtin_diff(const char *name_a,
                xecfg.ctxlen = o->context;
                xecfg.interhunkctxlen = o->interhunkcontext;
                xecfg.flags = XDL_EMIT_FUNCNAMES;
+               if (DIFF_OPT_TST(o, FUNCCONTEXT))
+                       xecfg.flags |= XDL_EMIT_FUNCCONTEXT;
                if (pe)
                        xdiff_set_find_func(&xecfg, pe->pattern, pe->cflags);
                if (!diffopts)
@@ -3536,6 +3547,12 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac)
        else if (opt_arg(arg, '\0', "inter-hunk-context",
                         &options->interhunkcontext))
                ;
+       else if (!strcmp(arg, "-W"))
+               DIFF_OPT_SET(options, FUNCCONTEXT);
+       else if (!strcmp(arg, "--function-context"))
+               DIFF_OPT_SET(options, FUNCCONTEXT);
+       else if (!strcmp(arg, "--no-function-context"))
+               DIFF_OPT_CLR(options, FUNCCONTEXT);
        else if ((argcount = parse_long_opt("output", av, &optarg))) {
                options->file = fopen(optarg, "w");
                if (!options->file)