Add support for downloading single blobs

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

5 files changed, 47 insertions, 3 deletions

diff --git a/Makefile b/Makefile
index 24c3963..7c0527b 100644
--- a/Makefile
+++ b/Makefile
@@ -11,3 +11,3 @@ OBJECTS = shared.o cache.o parsing.o html.o ui-shared.o ui-repolist.o \
 	ui-summary.o ui-log.o ui-view.o ui-tree.o ui-commit.o ui-diff.o \
-	ui-snapshot.o
+	ui-snapshot.o ui-blob.o
 
diff --git a/cgit.c b/cgit.c
index 6dddcbb..28bab8d 100644
--- a/cgit.c
+++ b/cgit.c
@@ -81,4 +81,4 @@ static void cgit_print_repo_page(struct cacheitem *item)
 
-	if (cgit_repo->snapshots && cgit_query_page && 
-	    !strcmp(cgit_query_page, "snapshot")) {
+	if (cgit_query_page) {
+	    if (cgit_repo->snapshots && !strcmp(cgit_query_page, "snapshot")) {
 		cgit_print_snapshot(item, cgit_query_sha1, "zip", 
@@ -86,2 +86,7 @@ static void cgit_print_repo_page(struct cacheitem *item)
 		return;
+	    }
+	    if (!strcmp(cgit_query_page, "blob")) {
+		    cgit_print_blob(item, cgit_query_sha1, cgit_query_path);
+		    return;
+	    }
 	}
diff --git a/cgit.h b/cgit.h
index 2615231..292e488 100644
--- a/cgit.h
+++ b/cgit.h
@@ -158,2 +158,3 @@ extern void cgit_print_log(const char *tip, int ofs, int cnt, char *grep);
 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);
diff --git a/ui-blob.c b/ui-blob.c
new file mode 100644
index 0000000..f5b844b
--- a/dev/null
+++ b/ui-blob.c
@@ -0,0 +1,31 @@
+#include "cgit.h"
+
+void cgit_print_blob(struct cacheitem *item, const char *hex, char *path)
+{
+
+	unsigned char sha1[20];
+	enum object_type type;
+	unsigned char *buf;
+	unsigned long size;
+
+	if (get_sha1_hex(hex, sha1)){
+		cgit_print_error(fmt("Bad hex value: %s", hex));
+	        return;
+	}
+
+	type = sha1_object_info(sha1, &size);
+	if (type == OBJ_BAD) {
+		cgit_print_error(fmt("Bad object name: %s", hex));
+		return;
+	}
+
+	buf = read_sha1_file(sha1, &type, &size);
+	if (!buf) {
+		cgit_print_error(fmt("Error reading object %s", hex));
+		return;
+	}
+
+	buf[size] = '\0';
+	cgit_print_snapshot_start("text/plain", path, item);
+	write(htmlfd, buf, size);
+}
diff --git a/ui-view.c b/ui-view.c
index 7d022fd..dbe4b29 100644
--- a/ui-view.c
+++ b/ui-view.c
@@ -42,2 +42,9 @@ void cgit_print_view(const char *hex, char *path)
 		html(")");
+
+	html(" <a href='");
+	html_attr(cgit_pageurl(cgit_query_repo, "blob", 
+			       fmt("id=%s&path=%s", 
+				   hex,
+				   path)));
+	html("'>download</a>");
 	html("</th></tr>\n");