allow selective enabling of snapshots

 snapshot configuration parameter now can be a
 space/slash/comma/colon/semicolon/pipe-separated list of snaphot suffixes as
 listed in ui-snapshot.c

Signed-off-by: Michael Krelin <hacker@klever.net>

6 files changed, 48 insertions, 15 deletions

diff --git a/cgit.c b/cgit.c
index 7b55b7b..8795bbc 100644
--- a/cgit.c
+++ b/cgit.c
@@ -72,3 +72,4 @@ static void cgit_print_repo_page(struct cacheitem *item)
                                     cgit_repobasename(cgit_repo->url),
-                                    cgit_query_name);
+                                    cgit_query_name,
+                                    cgit_repo->snapshots );
                 return;
diff --git a/cgit.h b/cgit.h
index 1dbf901..ea61be7 100644
--- a/cgit.h
+++ b/cgit.h
@@ -237,4 +237,6 @@ extern void cgit_print_diff(const char *new_hex, const char *old_hex);
 extern void cgit_print_snapshot(struct cacheitem *item, const char *hex,
-                                const char *prefix, const char *filename);
-extern void cgit_print_snapshot_links(const char *repo, const char *hex);
+                                const char *prefix, const char *filename,
+                                int snapshot);
+extern void cgit_print_snapshot_links(const char *repo, const char *hex,int snapshots);
+extern int cgit_parse_snapshots_mask(const char *str);
 
diff --git a/cgitrc b/cgitrc
index 40877f8..1040997 100644
--- a/cgitrc
+++ b/cgitrc
@@ -10,3 +10,4 @@
 
-## Enable/disable snapshots by default. This can be overridden per repo
+## Set allowed snapshot types by default. Can be overridden per repo
+# can be any combination of zip/tar.gz/tar.bz2/tar
 #snapshots=0
@@ -115,3 +116,3 @@
 #repo.owner=Lars Hjemli
-        #repo.snapshots=1                       # override a sitewide snapshot-setting
+        #repo.snapshots=tar.bz2                         # override a sitewide snapshot-setting
         #repo.enable-log-filecount=0            # override the default filecount setting
diff --git a/shared.c b/shared.c
index 65fc8b2..ccbde27 100644
--- a/shared.c
+++ b/shared.c
@@ -157,3 +157,3 @@ void cgit_global_config_cb(const char *name, const char *value)
         else if (!strcmp(name, "snapshots"))
-                cgit_snapshots = atoi(value);
+                cgit_snapshots = cgit_parse_snapshots_mask(value);
         else if (!strcmp(name, "enable-index-links"))
@@ -199,3 +199,3 @@ void cgit_global_config_cb(const char *name, const char *value)
         else if (cgit_repo && !strcmp(name, "repo.snapshots"))
-                cgit_repo->snapshots = cgit_snapshots * atoi(value);
+                cgit_repo->snapshots = cgit_snapshots & cgit_parse_snapshots_mask(value); /* XXX: &? */
         else if (cgit_repo && !strcmp(name, "repo.enable-log-filecount"))
diff --git a/ui-commit.c b/ui-commit.c
index bf5e6dc..50e9e11 100644
--- a/ui-commit.c
+++ b/ui-commit.c
@@ -198,3 +198,3 @@ void cgit_print_commit(char *hex)
                 html("<tr><th>download</th><td colspan='2' class='sha1'>");
-                cgit_print_snapshot_links(cgit_query_repo,hex);
+                cgit_print_snapshot_links(cgit_query_repo,hex,cgit_repo->snapshots);
                 html("</td></tr>");
diff --git a/ui-snapshot.c b/ui-snapshot.c
index 053fd48..d6be55b 100644
--- a/ui-snapshot.c
+++ b/ui-snapshot.c
@@ -59,7 +59,8 @@ static const struct snapshot_archive_t {
         write_archive_fn_t write_func;
+        int bit;
         }snapshot_archives[] = {
-        { ".zip", "application/x-zip", write_zip_archive },
-        { ".tar.gz", "application/x-tar", write_tar_gzip_archive },
-        { ".tar.bz2", "application/x-tar", write_tar_bzip2_archive },
-        { ".tar", "application/x-tar", write_tar_archive }
+        { ".zip", "application/x-zip", write_zip_archive, 0x1 },
+        { ".tar.gz", "application/x-tar", write_tar_gzip_archive, 0x2 },
+        { ".tar.bz2", "application/x-tar", write_tar_bzip2_archive, 0x4 },
+        { ".tar", "application/x-tar", write_tar_archive, 0x8 }
 };
@@ -67,3 +68,4 @@ static const struct snapshot_archive_t {
 void cgit_print_snapshot(struct cacheitem *item, const char *hex, 
-                         const char *prefix, const char *filename)
+                         const char *prefix, const char *filename,
+                         int snapshots)
 {
@@ -73,3 +75,5 @@ void cgit_print_snapshot(struct cacheitem *item, const char *hex,
                 const struct snapshot_archive_t* sat = &snapshot_archives[f];
-                int sl = strlen(sat->suffix);
+                int sl;
+                if(!(snapshots&sat->bit)) continue;
+                sl = strlen(sat->suffix);
                 if(fnl<sl || strcmp(&filename[fnl-sl],sat->suffix))
@@ -103,3 +107,3 @@ void cgit_print_snapshot(struct cacheitem *item, const char *hex,
 
-void cgit_print_snapshot_links(const char *repo,const char *hex)
+void cgit_print_snapshot_links(const char *repo,const char *hex,int snapshots)
 {
@@ -109,2 +113,3 @@ void cgit_print_snapshot_links(const char *repo,const char *hex)
                 const struct snapshot_archive_t* sat = &snapshot_archives[f];
+                if(!(snapshots&sat->bit)) continue;
                 filename = fmt("%s-%s%s",cgit_repobasename(repo),hex,sat->suffix);
@@ -115,2 +120,26 @@ void cgit_print_snapshot_links(const char *repo,const char *hex)
 }
+
+int cgit_parse_snapshots_mask(const char *str)
+{
+        static const char *delim = " \t,:/|;";
+        int f, tl, rv = 0;
+        /* favor legacy setting */
+        if(atoi(str)) return 1;
+        for(;;) {
+                str += strspn(str,delim);
+                tl = strcspn(str,delim);
+                if(!tl)
+                        break;
+                for(f=0;f<(sizeof(snapshot_archives)/sizeof(*snapshot_archives));++f) {
+                        const struct snapshot_archive_t* sat = &snapshot_archives[f];
+                        if(! ( strncmp(sat->suffix,str,tl) && strncmp(sat->suffix+1,str,tl-1) ) ) {
+                                rv |= sat->bit;
+                                break;
+                        }
+                }
+                str += tl;
+        }
+        return rv;
+}
+
 /* vim:set sw=8: */