1 files changed, 36 insertions, 7 deletions

diff --git a/ui-snapshot.c b/ui-snapshot.c
index 053fd48..d6be55b 100644
--- a/ui-snapshot.c
+++ b/ui-snapshot.c
@@ -1,116 +1,145 @@
 /* ui-snapshot.c: generate snapshot of a commit
  *
  * Copyright (C) 2006 Lars Hjemli
  *
  * Licensed under GNU General Public License v2
  *   (see COPYING for full license text)
  */
 
 #include "cgit.h"
 
 static int write_compressed_tar_archive(struct archiver_args *args,const char *filter)
 {
 	int rw[2];
 	pid_t gzpid;
 	int stdout2;
 	int status;
 	int rv;
 
 	stdout2 = chk_non_negative(dup(STDIN_FILENO), "Preserving STDOUT before compressing");
 	chk_zero(pipe(rw), "Opening pipe from compressor subprocess");
 	gzpid = chk_non_negative(fork(), "Forking compressor subprocess");
 	if(gzpid==0) {
 		/* child */
 		chk_zero(close(rw[1]), "Closing write end of pipe in child");
 		chk_zero(close(STDIN_FILENO), "Closing STDIN");
 		chk_non_negative(dup2(rw[0],STDIN_FILENO), "Redirecting compressor input to stdin");
 		execlp(filter,filter,NULL);
 		_exit(-1);
 	}
 	/* parent */
 	chk_zero(close(rw[0]), "Closing read end of pipe");
 	chk_non_negative(dup2(rw[1],STDOUT_FILENO), "Redirecting output to compressor");
 	
 	rv = write_tar_archive(args);
 
 	chk_zero(close(STDOUT_FILENO), "Closing STDOUT redirected to compressor");
 	chk_non_negative(dup2(stdout2,STDOUT_FILENO), "Restoring uncompressed STDOUT");
 	chk_zero(close(stdout2), "Closing uncompressed STDOUT");
 	chk_zero(close(rw[1]), "Closing write end of pipe in parent");
 	chk_positive(waitpid(gzpid,&status,0), "Waiting on compressor process");
 	if(! ( WIFEXITED(status) && WEXITSTATUS(status)==0 ) )
 		cgit_print_error("Failed to compress archive");
 
 	return rv;
 }
 
 static int write_tar_gzip_archive(struct archiver_args *args)
 {
 	return write_compressed_tar_archive(args,"gzip");
 }
 static int write_tar_bzip2_archive(struct archiver_args *args)
 {
 	return write_compressed_tar_archive(args,"bzip2");
 }
 
 static const struct snapshot_archive_t {
     	const char *suffix;
 	const char *mimetype;
 	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 }
 };
 
 void cgit_print_snapshot(struct cacheitem *item, const char *hex, 
-			 const char *prefix, const char *filename)
+			 const char *prefix, const char *filename,
+			 int snapshots)
 {
 	int fnl = strlen(filename);
 	int f;
     	for(f=0;f<(sizeof(snapshot_archives)/sizeof(*snapshot_archives));++f) {
 		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))
 			continue;
 
 		struct archiver_args args;
 		struct commit *commit;
 		unsigned char sha1[20];
 
 		if(get_sha1(hex, sha1)) {
 			cgit_print_error(fmt("Bad object id: %s", hex));
 			return;
 		}
 		commit = lookup_commit_reference(sha1);
 
 		if(!commit) {
 			cgit_print_error(fmt("Not a commit reference: %s", hex));
 			return;;
 		}
 
 		memset(&args,0,sizeof(args));
 		args.base = fmt("%s/", prefix);
 		args.tree = commit->tree;
 
 		cgit_print_snapshot_start(sat->mimetype, filename, item);
 		(*sat->write_func)(&args);
 		return;
 	}
 	cgit_print_error(fmt("Unsupported snapshot format: %s", filename));
 }
 
-void cgit_print_snapshot_links(const char *repo,const char *hex)
+void cgit_print_snapshot_links(const char *repo,const char *hex,int snapshots)
 {
     	char *filename;
 	int f;
     	for(f=0;f<(sizeof(snapshot_archives)/sizeof(*snapshot_archives));++f) {
 		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);
 		htmlf("<a href='%s'>%s</a><br/>",
 			cgit_fileurl(repo,"snapshot",filename,
 			    fmt("id=%s&amp;name=%s",hex,filename)), filename);
 	}
 }
+
+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: */