4 files changed, 45 insertions, 5 deletions

diff --git a/cgit.c b/cgit.c
index f6bb0c7..aa1107a 100644
--- a/cgit.c
+++ b/cgit.c
@@ -16,8 +16,16 @@
 #include "scan-tree.h"
 
 const char *cgit_version = CGIT_VERSION;
 
+void add_mimetype(const char *name, const char *value)
+{
+        struct string_list_item *item;
+
+        item = string_list_insert(xstrdup(name), &ctx.cfg.mimetypes);
+        item->util = xstrdup(value);
+}
+
 void config_cb(const char *name, const char *value)
 {
         if (!strcmp(name, "root-title"))
                 ctx.cfg.root_title = xstrdup(value);
@@ -102,8 +110,10 @@ void config_cb(const char *name, const char *value)
         else if (!strcmp(name, "clone-prefix"))
                 ctx.cfg.clone_prefix = xstrdup(value);
         else if (!strcmp(name, "local-time"))
                 ctx.cfg.local_time = atoi(value);
+        else if (!prefixcmp(name, "mimetype."))
+                add_mimetype(name + 9, value);
         else if (!strcmp(name, "repo.group"))
                 ctx.cfg.repo_group = xstrdup(value);
         else if (!strcmp(name, "repo.url"))
                 ctx.repo = cgit_add_repo(value);
@@ -214,8 +224,9 @@ static void prepare_context(struct cgit_context *ctx)
         ctx->page.size = 0;
         ctx->page.modified = time(NULL);
         ctx->page.expires = ctx->page.modified;
         ctx->page.etag = NULL;
+        memset(&ctx->cfg.mimetypes, 0, sizeof(struct string_list));
 }
 
 struct refmatch {
         char *req_ref;
diff --git a/cgit.h b/cgit.h
index acb5e8f..1194eb0 100644
--- a/cgit.h
+++ b/cgit.h
@@ -14,8 +14,9 @@
 #include <refs.h>
 #include <revision.h>
 #include <log-tree.h>
 #include <archive.h>
+#include <string-list.h>
 #include <xdiff-interface.h>
 #include <xdiff/xdiff.h>
 #include <utf8.h>
 
@@ -174,8 +175,9 @@ struct cgit_config {
         int snapshots;
         int summary_branches;
         int summary_log;
         int summary_tags;
+        struct string_list mimetypes;
 };
 
 struct cgit_page {
         time_t modified;
diff --git a/cgitrc.5.txt b/cgitrc.5.txt
index 7754923..0412f64 100644
--- a/cgitrc.5.txt
+++ b/cgitrc.5.txt
@@ -146,8 +146,12 @@ max-stats::
         Set the default maximum statistics period. Valid values are "week",
         "month", "quarter" and "year". If unspecified, statistics are
         disabled. Default value: none. See also: "repo.max-stats".
 
+mimetype.<ext>::
+        Set the mimetype for the specified filename extension. This is used
+        by the `plain` command when returning blob content.
+
 module-link::
         Text which will be used as the formatstring for a hyperlink when a
         submodule is printed in a directory listing. The arguments for the
         formatstring are the path and SHA1 of the submodule commit. Default
@@ -328,8 +332,21 @@ root-readme=/var/www/htdocs/about.html
 snapshots=tar.gz tar.bz2 zip
 
 
 ##
+## List of common mimetypes
+##
+
+mimetype.git=image/git
+mimetype.html=text/html
+mimetype.jpg=image/jpeg
+mimetype.jpeg=image/jpeg
+mimetype.pdf=application/pdf
+mimetype.png=image/png
+mimetype.svg=image/svg+xml
+
+
+##
 ## List of repositories.
 ## PS: Any repositories listed when repo.group is unset will not be
 ##     displayed under a group heading
 ## PPS: This list could be kept in a different file (e.g. '/etc/cgitrepos')
diff --git a/ui-plain.c b/ui-plain.c
index 93a3a05..27c6dae 100644
--- a/ui-plain.c
+++ b/ui-plain.c
@@ -16,10 +16,11 @@ int match;
 
 static void print_object(const unsigned char *sha1, const char *path)
 {
         enum object_type type;
-        char *buf;
+        char *buf, *ext;
         unsigned long size;
+        struct string_list_item *mime;
 
         type = sha1_object_info(sha1, &size);
         if (type == OBJ_BAD) {
                 html_status(404, "Not found", 0);
@@ -30,12 +31,21 @@ static void print_object(const unsigned char *sha1, const char *path)
         if (!buf) {
                 html_status(404, "Not found", 0);
                 return;
         }
-        if (buffer_is_binary(buf, size))
-                ctx.page.mimetype = "application/octet-stream";
-        else
-                ctx.page.mimetype = "text/plain";
+        ctx.page.mimetype = NULL;
+        ext = strrchr(path, '.');
+        if (ext && *(++ext)) {
+                mime = string_list_lookup(ext, &ctx.cfg.mimetypes);
+                if (mime)
+                        ctx.page.mimetype = (char *)mime->util;
+        }
+        if (!ctx.page.mimetype) {
+                if (buffer_is_binary(buf, size))
+                        ctx.page.mimetype = "application/octet-stream";
+                else
+                        ctx.page.mimetype = "text/plain";
+        }
         ctx.page.filename = fmt("%s", path);
         ctx.page.size = size;
         ctx.page.etag = sha1_to_hex(sha1);
         cgit_print_http_headers(&ctx);