4 files changed, 83 insertions, 7 deletions

diff --git a/cgit.c b/cgit.c
index 277b849..fba97d7 100644
--- a/cgit.c
+++ b/cgit.c
@@ -26,4 +26,7 @@ static void cgit_print_repo_page(struct cacheitem *item)
         char *title = fmt("%s - %s", cgit_repo_name, cgit_repo_desc);
+        int show_search = 0;
+        if (cgit_query_page && !strcmp(cgit_query_page, "log"))
+                show_search = 1;
         cgit_print_docstart(title, item);
-        cgit_print_pageheader(title, 0);
+        cgit_print_pageheader(title, show_search);
         if (!cgit_query_page) {
@@ -31,3 +34,3 @@ static void cgit_print_repo_page(struct cacheitem *item)
         } else if (!strcmp(cgit_query_page, "log")) {
-                cgit_print_log(cgit_query_head, cgit_query_ofs, 100);
+                cgit_print_log(cgit_query_head, cgit_query_ofs, 100, cgit_query_search);
         } else if (!strcmp(cgit_query_page, "tree")) {
diff --git a/cgit.h b/cgit.h
index e114a50..249650e 100644
--- a/cgit.h
+++ b/cgit.h
@@ -106,3 +106,3 @@ extern void cgit_print_repolist(struct cacheitem *item);
 extern void cgit_print_summary();
-extern void cgit_print_log(const char *tip, int ofs, int cnt);
+extern void cgit_print_log(const char *tip, int ofs, int cnt, char *grep);
 extern void cgit_print_view(const char *hex);
diff --git a/git.h b/git.h
index 922a167..b1e4828 100644
--- a/git.h
+++ b/git.h
@@ -33,3 +33,3 @@
 #include <time.h>
-
+#include <regex.h>
 
@@ -158,2 +158,68 @@ static inline void hashclr(unsigned char *hash)
 
+/*
+ * from git:grep.h
+ */
+
+enum grep_pat_token {
+        GREP_PATTERN,
+        GREP_PATTERN_HEAD,
+        GREP_PATTERN_BODY,
+        GREP_AND,
+        GREP_OPEN_PAREN,
+        GREP_CLOSE_PAREN,
+        GREP_NOT,
+        GREP_OR,
+};
+
+enum grep_context {
+        GREP_CONTEXT_HEAD,
+        GREP_CONTEXT_BODY,
+};
+
+struct grep_pat {
+        struct grep_pat *next;
+        const char *origin;
+        int no;
+        enum grep_pat_token token;
+        const char *pattern;
+        regex_t regexp;
+};
+
+enum grep_expr_node {
+        GREP_NODE_ATOM,
+        GREP_NODE_NOT,
+        GREP_NODE_AND,
+        GREP_NODE_OR,
+};
+
+struct grep_opt {
+        struct grep_pat *pattern_list;
+        struct grep_pat **pattern_tail;
+        struct grep_expr *pattern_expression;
+        int prefix_length;
+        regex_t regexp;
+        unsigned linenum:1;
+        unsigned invert:1;
+        unsigned status_only:1;
+        unsigned name_only:1;
+        unsigned unmatch_name_only:1;
+        unsigned count:1;
+        unsigned word_regexp:1;
+        unsigned fixed:1;
+        unsigned all_match:1;
+#define GREP_BINARY_DEFAULT     0
+#define GREP_BINARY_NOMATCH     1
+#define GREP_BINARY_TEXT        2
+        unsigned binary:2;
+        unsigned extended:1;
+        unsigned relative:1;
+        unsigned pathname:1;
+        int regflags;
+        unsigned pre_context;
+        unsigned post_context;
+};
+
+
+extern void compile_grep_patterns(struct grep_opt *opt);
+extern void free_grep_patterns(struct grep_opt *opt);
 
diff --git a/ui-log.c b/ui-log.c
index f3b16e7..c353b2a 100644
--- a/ui-log.c
+++ b/ui-log.c
@@ -34,3 +34,3 @@ void print_commit(struct commit *commit)
 
-void cgit_print_log(const char *tip, int ofs, int cnt)
+void cgit_print_log(const char *tip, int ofs, int cnt, char *grep)
 {
@@ -38,5 +38,8 @@ void cgit_print_log(const char *tip, int ofs, int cnt)
         struct commit *commit;
-        const char *argv[2] = {NULL, tip};
+        const char *argv[3] = {NULL, tip, NULL};
+        int argc = 2;
         int i;
         
+        if (grep)
+                argv[argc++] = fmt("--grep=%s", grep);
         init_revisions(&rev, NULL);
@@ -46,3 +49,7 @@ void cgit_print_log(const char *tip, int ofs, int cnt)
         rev.show_root_diff = 0;
-        setup_revisions(2, argv, &rev, NULL);
+        setup_revisions(argc, argv, &rev, NULL);
+        if (rev.grep_filter) {
+                rev.grep_filter->regflags |= REG_ICASE;
+                compile_grep_patterns(rev.grep_filter);
+        }
         prepare_revision_walk(&rev);