Make snapshot feature configurable

Snapshots can now be enabled/disabled by default for all repositories in
cgitrc with param "snapshots". Additionally, any repo can override the
default setting with param "repo.snapshots".

By default, no snapshotting is enabled.

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

5 files changed, 22 insertions, 6 deletions

diff --git a/cgit.c b/cgit.c
index 2795ecc..7b7afba 100644
--- a/cgit.c
+++ b/cgit.c
@@ -79,7 +79,8 @@ static void cgit_print_repo_page(struct cacheitem *item)
         show_search = 0;
         setenv("GIT_DIR", cgit_repo->path, 1);
 
-        if (cgit_query_page && !strcmp(cgit_query_page, "snapshot")) {
+        if (cgit_repo->snapshots && cgit_query_page && 
+            !strcmp(cgit_query_page, "snapshot")) {
                 cgit_print_snapshot(item, cgit_query_sha1, "zip", 
                                     cgit_repo->url, cgit_query_name);
                 return;
diff --git a/cgit.h b/cgit.h
index 03c2fdb..6e95673 100644
--- a/cgit.h
+++ b/cgit.h
@@ -21,6 +21,7 @@ struct repoinfo {
         char *path;
         char *desc;
         char *owner;
+        int snapshots;
 };
 
 struct repolist {
@@ -61,6 +62,7 @@ extern char *cgit_virtual_root;
 extern char *cgit_cache_root;
 
 extern int cgit_nocache;
+extern int cgit_snapshots;
 extern int cgit_max_lock_attempts;
 extern int cgit_cache_root_ttl;
 extern int cgit_cache_repo_ttl;
diff --git a/cgitrc b/cgitrc
index d45f9c2..3bae642 100644
--- a/cgitrc
+++ b/cgitrc
@@ -8,6 +8,10 @@
 #nocache=0
 
 
+## Enable/disable snapshots by default. This can be overridden per repo
+#snapshots=0
+
+
 ## Specify a root for virtual urls. This makes cgit generate urls like
 ##
 ##    http://localhost/git/repo/log/?id=master
@@ -77,3 +81,4 @@
 #repo.desc=the caching cgi for git
 #repo.path=/pub/git/cgit
 #repo.owner=Lars Hjemli
+#repo.snapshots=1    # override a sitewide snapshot-setting
diff --git a/shared.c b/shared.c
index 5757d0c..531d8c0 100644
--- a/shared.c
+++ b/shared.c
@@ -20,6 +20,7 @@ char *cgit_virtual_root = NULL;
 char *cgit_cache_root   = "/var/cache/cgit";
 
 int cgit_nocache               =  0;
+int cgit_snapshots             =  0;
 int cgit_max_lock_attempts     =  5;
 int cgit_cache_root_ttl        =  5;
 int cgit_cache_repo_ttl        =  5;
@@ -83,6 +84,7 @@ struct repoinfo *add_repo(const char *url)
         ret->path = NULL;
         ret->desc = NULL;
         ret->owner = NULL;
+        ret->snapshots = cgit_snapshots;
         return ret;
 }
 
@@ -100,6 +102,8 @@ void cgit_global_config_cb(const char *name, const char *value)
                 cgit_virtual_root = xstrdup(value);
         else if (!strcmp(name, "nocache"))
                 cgit_nocache = atoi(value);
+        else if (!strcmp(name, "snapshots"))
+                cgit_snapshots = atoi(value);
         else if (!strcmp(name, "cache-root"))
                 cgit_cache_root = xstrdup(value);
         else if (!strcmp(name, "cache-root-ttl"))
@@ -122,6 +126,8 @@ void cgit_global_config_cb(const char *name, const char *value)
                 cgit_repo->desc = xstrdup(value);
         else if (cgit_repo && !strcmp(name, "repo.owner"))
                 cgit_repo->owner = xstrdup(value);
+        else if (cgit_repo && !strcmp(name, "repo.snapshots"))
+                cgit_repo->snapshots = atoi(value);
 }
 
 void cgit_repo_config_cb(const char *name, const char *value)
diff --git a/ui-commit.c b/ui-commit.c
index de3f2cf..3618800 100644
--- a/ui-commit.c
+++ b/ui-commit.c
@@ -169,11 +169,13 @@ void cgit_print_commit(const char *hex)
                 htmlf("'>%s</a></td></tr>\n", 
                       sha1_to_hex(p->item->object.sha1));
         }
-        htmlf("<tr><th>download</th><td colspan='2' class='sha1'><a href='");
-        filename = fmt("%s-%s.zip", cgit_query_repo, hex);
-        html_attr(cgit_pageurl(cgit_query_repo, "snapshot", 
-                               fmt("id=%s&name=%s", hex, filename)));
-        htmlf("'>%s</a></td></tr>", filename);
+        if (cgit_repo->snapshots) {
+                htmlf("<tr><th>download</th><td colspan='2' class='sha1'><a href='");
+                filename = fmt("%s-%s.zip", cgit_query_repo, hex);
+                html_attr(cgit_pageurl(cgit_query_repo, "snapshot", 
+                                       fmt("id=%s&name=%s", hex, filename)));
+                htmlf("'>%s</a></td></tr>", filename);
+        }
         
         html("</table>\n");
         html("<div class='commit-subject'>");