1 files changed, 83 insertions, 5 deletions

diff --git a/shared.c b/shared.c
index 6adf2b6..b42c2a2 100644
--- a/shared.c
+++ b/shared.c
@@ -12,3 +12,2 @@ struct cgit_repolist cgit_repolist;
 struct cgit_context ctx;
-int cgit_cmd;
 
@@ -61,2 +60,4 @@ struct cgit_repo *cgit_add_repo(const char *url)
         ret->enable_log_linecount = ctx.cfg.enable_log_linecount;
+        ret->enable_remote_branches = ctx.cfg.enable_remote_branches;
+        ret->enable_subject_links = ctx.cfg.enable_subject_links;
         ret->max_stats = ctx.cfg.max_stats;
@@ -264,3 +265,4 @@ int cgit_diff_files(const unsigned char *old_sha1,
                     const unsigned char *new_sha1, unsigned long *old_size,
-                    unsigned long *new_size, int *binary, linediff_fn fn)
+                    unsigned long *new_size, int *binary, int context,
+                    int ignorews, linediff_fn fn)
 {
@@ -291,3 +293,5 @@ int cgit_diff_files(const unsigned char *old_sha1,
         diff_params.flags = XDF_NEED_MINIMAL;
-        emit_params.ctxlen = 3;
+        if (ignorews)
+                diff_params.flags |= XDF_IGNORE_WHITESPACE;
+        emit_params.ctxlen = context > 0 ? context : 3;
         emit_params.flags = XDL_EMIT_FUNCNAMES;
@@ -305,3 +309,3 @@ void cgit_diff_tree(const unsigned char *old_sha1,
                     const unsigned char *new_sha1,
-                    filepair_fn fn, const char *prefix)
+                    filepair_fn fn, const char *prefix, int ignorews)
 {
@@ -316,2 +320,4 @@ void cgit_diff_tree(const unsigned char *old_sha1,
         DIFF_OPT_SET(&opt, RECURSIVE);
+        if (ignorews)
+                DIFF_XDL_SET(&opt, IGNORE_WHITESPACE);
         opt.format_callback = cgit_diff_tree_cb;
@@ -340,3 +346,4 @@ void cgit_diff_commit(struct commit *commit, filepair_fn fn)
                 old_sha1 = commit->parents->item->object.sha1;
-        cgit_diff_tree(old_sha1, commit->object.sha1, fn, NULL);
+        cgit_diff_tree(old_sha1, commit->object.sha1, fn, NULL,
+                       ctx.qry.ignorews);
 }
@@ -432 +439,72 @@ int readfile(const char *path, char **buf, size_t *size)
 }
+
+int is_token_char(char c)
+{
+        return isalnum(c) || c == '_';
+}
+
+/* Replace name with getenv(name), return pointer to zero-terminating char
+ */
+char *expand_macro(char *name, int maxlength)
+{
+        char *value;
+        int len;
+
+        len = 0;
+        value = getenv(name);
+        if (value) {
+                len = strlen(value);
+                if (len > maxlength)
+                        len = maxlength;
+                strncpy(name, value, len);
+        }
+        return name + len;
+}
+
+#define EXPBUFSIZE (1024 * 8)
+
+/* Replace all tokens prefixed by '$' in the specified text with the
+ * value of the named environment variable.
+ * NB: the return value is a static buffer, i.e. it must be strdup'd
+ * by the caller.
+ */
+char *expand_macros(const char *txt)
+{
+        static char result[EXPBUFSIZE];
+        char *p, *start;
+        int len;
+
+        p = result;
+        start = NULL;
+        while (p < result + EXPBUFSIZE - 1 && txt && *txt) {
+                *p = *txt;
+                if (start) {
+                        if (!is_token_char(*txt)) {
+                                if (p - start > 0) {
+                                        *p = '\0';
+                                        len = result + EXPBUFSIZE - start - 1;
+                                        p = expand_macro(start, len) - 1;
+                                }
+                                start = NULL;
+                                txt--;
+                        }
+                        p++;
+                        txt++;
+                        continue;
+                }
+                if (*txt == '$') {
+                        start = p;
+                        txt++;
+                        continue;
+                }
+                p++;
+                txt++;
+        }
+        *p = '\0';
+        if (start && p - start > 0) {
+                len = result + EXPBUFSIZE - start - 1;
+                p = expand_macro(start, len);
+                *p = '\0';
+        }
+        return result;
+}