ui-patch: Apply path limit to generated patch

Also indicate in the comment section of the patch that a path limit was
applied, too easily see when a generated patch is only partial.

Signed-off-by: Johan Herland <johan@herland.net>
Signed-off-by: Lars Hjemli <hjemli@gmail.com>

6 files changed, 10 insertions, 8 deletions

diff --git a/cmd.c b/cmd.c
index 893ae25..605876b 100644
--- a/cmd.c
+++ b/cmd.c
@@ -91,5 +91,5 @@ static void repolist_fn(struct cgit_context *ctx)
 static void patch_fn(struct cgit_context *ctx)
 {
-        cgit_print_patch(ctx->qry.sha1);
+        cgit_print_patch(ctx->qry.sha1, ctx->qry.path);
 }
 
diff --git a/ui-commit.c b/ui-commit.c
index 2f4c6d4..b3a2063 100644
--- a/ui-commit.c
+++ b/ui-commit.c
@@ -61,5 +61,5 @@ void cgit_print_commit(char *hex, const char *prefix)
         cgit_commit_link(tmp, NULL, NULL, ctx.qry.head, tmp, 0);
         html(" (");
-        cgit_patch_link("patch", NULL, NULL, NULL, tmp);
+        cgit_patch_link("patch", NULL, NULL, NULL, tmp, prefix);
         html(") (");
         if ((ctx.qry.ssdiff && !ctx.cfg.ssdiff) || (!ctx.qry.ssdiff && ctx.cfg.ssdiff))
diff --git a/ui-patch.c b/ui-patch.c
index 2a8f7a5..25dc9fe 100644
--- a/ui-patch.c
+++ b/ui-patch.c
@@ -78,5 +78,5 @@ static void filepair_cb(struct diff_filepair *pair)
 }
 
-void cgit_print_patch(char *hex)
+void cgit_print_patch(char *hex, const char *prefix)
 {
         struct commit *commit;
@@ -123,5 +123,7 @@ void cgit_print_patch(char *hex)
         }
         html("---\n");
-        cgit_diff_tree(old_sha1, sha1, filepair_cb, NULL);
+        if (prefix)
+                htmlf("(limited to '%s')\n\n", prefix);
+        cgit_diff_tree(old_sha1, sha1, filepair_cb, prefix);
         html("--\n");
         htmlf("cgit %s\n", CGIT_VERSION);
diff --git a/ui-patch.h b/ui-patch.h
index 9f68212..1641cea 100644
--- a/ui-patch.h
+++ b/ui-patch.h
@@ -2,5 +2,5 @@
 #define UI_PATCH_H
 
-extern void cgit_print_patch(char *hex);
+extern void cgit_print_patch(char *hex, const char *prefix);
 
 #endif /* UI_PATCH_H */
diff --git a/ui-shared.c b/ui-shared.c
index 4fa506f..d5c4c10 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -389,7 +389,7 @@ void cgit_diff_link(const char *name, const char *title, const char *class,
 
 void cgit_patch_link(const char *name, const char *title, const char *class,
-                     const char *head, const char *rev)
+                     const char *head, const char *rev, const char *path)
 {
-        reporevlink("patch", name, title, class, head, rev, NULL);
+        reporevlink("patch", name, title, class, head, rev, path);
 }
 
diff --git a/ui-shared.h b/ui-shared.h
index 3df5464..c0e5c55 100644
--- a/ui-shared.h
+++ b/ui-shared.h
@@ -33,5 +33,5 @@ extern void cgit_commit_link(char *name, const char *title,
 extern void cgit_patch_link(const char *name, const char *title,
                             const char *class, const char *head,
-                            const char *rev);
+                            const char *rev, const char *path);
 extern void cgit_refs_link(const char *name, const char *title,
                            const char *class, const char *head,