gitweb: Add a feature to show side-by-side diff

diff --git a/diff.c b/diff.c
index fcc0078074c364d0a4c2bd75a6d390e517eb7f87..374ecf3b486e218c52f94ba14481a715c19b80db 100644 (file)
--- a/diff.c
+++ b/diff.c
@@ -2169,6 +2169,8 @@ 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)
@@ -2274,6 +2276,8 @@ static void builtin_diffstat(const char *name_a, const char *name_b,
                memset(&xpp, 0, sizeof(xpp));
                memset(&xecfg, 0, sizeof(xecfg));
                xpp.flags = o->xdl_opts;
+               xecfg.ctxlen = o->context;
+               xecfg.interhunkctxlen = o->interhunkcontext;
                xdi_diff_outf(&mf1, &mf2, diffstat_consume, diffstat,
                              &xpp, &xecfg);
        }
@@ -3385,6 +3389,10 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac)
        }
 
        /* xdiff options */
+       else if (!strcmp(arg, "--minimal"))
+               DIFF_XDL_SET(options, NEED_MINIMAL);
+       else if (!strcmp(arg, "--no-minimal"))
+               DIFF_XDL_CLR(options, NEED_MINIMAL);
        else if (!strcmp(arg, "-w") || !strcmp(arg, "--ignore-all-space"))
                DIFF_XDL_SET(options, IGNORE_WHITESPACE);
        else if (!strcmp(arg, "-b") || !strcmp(arg, "--ignore-space-change"))
@@ -3530,6 +3538,12 @@ 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)