Add log filtering by path and link to it from tree view

This enables path-filtering in log-view, and adds a link per entry in
tree-view to show the log for each file/directory.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>

6 files changed, 37 insertions, 13 deletions

diff --git a/cgit.c b/cgit.c
index 3d85a08..9e63d18 100644
--- a/cgit.c
+++ b/cgit.c
@@ -110,5 +110,6 @@ static void cgit_print_repo_page(struct cacheitem *item)
                 cgit_print_log(cgit_query_head, cgit_query_ofs,
-                               cgit_max_commit_count, cgit_query_search);
+                               cgit_max_commit_count, cgit_query_search,
+                               cgit_query_path);
         } else if (!strcmp(cgit_query_page, "tree")) {
-                cgit_print_tree(cgit_query_sha1, cgit_query_path);
+                cgit_print_tree(cgit_query_head, cgit_query_sha1, cgit_query_path);
         } else if (!strcmp(cgit_query_page, "commit")) {
diff --git a/cgit.css b/cgit.css
index fe0ba50..6231e28 100644
--- a/cgit.css
+++ b/cgit.css
@@ -191,2 +191,7 @@ td.filesize {
 
+td.links {
+        font-size: 80%;
+        padding-left: 2em;
+}
+
 td.filemode {
diff --git a/cgit.h b/cgit.h
index 93699b5..0fff7b0 100644
--- a/cgit.h
+++ b/cgit.h
@@ -171,6 +171,6 @@ 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, char *grep);
+extern void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *path);
 extern void cgit_print_view(const char *hex, char *path);
 extern void cgit_print_blob(struct cacheitem *item, const char *hex, char *path);
-extern void cgit_print_tree(const char *hex, char *path);
+extern void cgit_print_tree(const char *rev, const char *hex, char *path);
 extern void cgit_print_commit(const char *hex);
diff --git a/ui-commit.c b/ui-commit.c
index b3d1c28..20a7cb2 100644
--- a/ui-commit.c
+++ b/ui-commit.c
@@ -188,3 +188,4 @@ void cgit_print_commit(const char *hex)
         html("<tr><th>tree</th><td colspan='2' class='sha1'><a href='");
-        query = fmt("id=%s", sha1_to_hex(commit->tree->object.sha1));
+        query = fmt("h=%s&id=%s", sha1_to_hex(commit->object.sha1),
+                    sha1_to_hex(commit->tree->object.sha1));
         html_attr(cgit_pageurl(cgit_query_repo, "tree", query));
diff --git a/ui-log.c b/ui-log.c
index 7d1985e..6d5509b 100644
--- a/ui-log.c
+++ b/ui-log.c
@@ -55,3 +55,3 @@ void print_commit(struct commit *commit)
 
-void cgit_print_log(const char *tip, int ofs, int cnt, char *grep)
+void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *path)
 {
@@ -59,3 +59,3 @@ void cgit_print_log(const char *tip, int ofs, int cnt, char *grep)
         struct commit *commit;
-        const char *argv[3] = {NULL, tip, NULL};
+        const char *argv[] = {NULL, tip, NULL, NULL, NULL};
         int argc = 2;
@@ -65,2 +65,6 @@ void cgit_print_log(const char *tip, int ofs, int cnt, char *grep)
                 argv[argc++] = fmt("--grep=%s", grep);
+        if (path) {
+                argv[argc++] = "--";
+                argv[argc++] = path;
+        }
         init_revisions(&rev, NULL);
diff --git a/ui-tree.c b/ui-tree.c
index dee8309..db63e13 100644
--- a/ui-tree.c
+++ b/ui-tree.c
@@ -10,5 +10,6 @@
 
+char *curr_rev;
 
-static int print_entry(const unsigned char *sha1, const char *base, 
-                       int baselen, const char *pathname, unsigned int mode, 
+static int print_entry(const unsigned char *sha1, const char *base,
+                       int baselen, const char *pathname, unsigned int mode,
                        int stage)
@@ -37,4 +38,5 @@ static int print_entry(const unsigned char *sha1, const char *base,
                 html("class='ls-dir'><a href='");
-                html_attr(cgit_pageurl(cgit_query_repo, "tree", 
-                                       fmt("id=%s&path=%s%s/", 
+                html_attr(cgit_pageurl(cgit_query_repo, "tree",
+                                       fmt("h=%s&id=%s&path=%s%s/",
+                                           curr_rev,
                                            sha1_to_hex(sha1),
@@ -45,3 +47,4 @@ static int print_entry(const unsigned char *sha1, const char *base,
                 html_attr(cgit_pageurl(cgit_query_repo, "view",
-                                      fmt("id=%s&path=%s%s", sha1_to_hex(sha1),
+                                      fmt("h=%s&id=%s&path=%s%s", curr_rev,
+                                          sha1_to_hex(sha1),
                                           cgit_query_path ? cgit_query_path : "",
@@ -51,2 +54,10 @@ static int print_entry(const unsigned char *sha1, const char *base,
         htmlf("<td class='filesize'>%li</td>", size);
+
+        html("<td class='links'><a href='");
+        html_attr(cgit_pageurl(cgit_query_repo, "log",
+                               fmt("h=%s&path=%s%s",
+                                   curr_rev,
+                                   cgit_query_path ? cgit_query_path : "",
+                                   pathname)));
+        html("'>history</a></td>");
         html("</tr>\n");
@@ -56,3 +67,3 @@ static int print_entry(const unsigned char *sha1, const char *base,
 
-void cgit_print_tree(const char *hex, char *path)
+void cgit_print_tree(const char *rev, const char *hex, char *path)
 {
@@ -61,2 +72,3 @@ void cgit_print_tree(const char *hex, char *path)
 
+        curr_rev = xstrdup(rev);
         if (get_sha1_hex(hex, sha1)) {
@@ -77,2 +89,3 @@ void cgit_print_tree(const char *hex, char *path)
         html("<th class='right'>Size</th>");
+        html("<th/>");
         html("</tr>\n");