X-Git-Url: https://gitweb.ps.run/ps-cgit/blobdiff_plain/286a905842dc0bec6d21a614ec4a97c5f19d5bc4..756e3ea6392e30bcd0a41346d4ffa42c56d715e2:/ui-snapshot.c

diff --git a/ui-snapshot.c b/ui-snapshot.c
index 5372f5d..07cc944 100644
--- a/ui-snapshot.c
+++ b/ui-snapshot.c
@@ -12,37 +12,16 @@
 
 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;
+	struct cgit_filter f;
 
-	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");
-
+	f.cmd = xstrdup(filter);
+	f.argv = malloc(2 * sizeof(char *));
+	f.argv[0] = f.cmd;
+	f.argv[1] = NULL;
+	cgit_open_filter(&f);
 	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");
-
+	cgit_close_filter(&f);
 	return rv;
 }
 
@@ -56,11 +35,17 @@ static int write_tar_bzip2_archive(struct archiver_args *args)
 	return write_compressed_tar_archive(args,"bzip2");
 }
 
+static int write_tar_xz_archive(struct archiver_args *args)
+{
+	return write_compressed_tar_archive(args,"xz");
+}
+
 const struct cgit_snapshot_format cgit_snapshot_formats[] = {
-	{ ".zip", "application/x-zip", write_zip_archive, 0x1 },
-	{ ".tar.gz", "application/x-gzip", write_tar_gzip_archive, 0x2 },
-	{ ".tar.bz2", "application/x-bzip2", write_tar_bzip2_archive, 0x4 },
-	{ ".tar", "application/x-tar", write_tar_archive, 0x8 },
+	{ ".zip", "application/x-zip", write_zip_archive, 0x01 },
+	{ ".tar.gz", "application/x-gzip", write_tar_gzip_archive, 0x02 },
+	{ ".tar.bz2", "application/x-bzip2", write_tar_bzip2_archive, 0x04 },
+	{ ".tar", "application/x-tar", write_tar_archive, 0x08 },
+	{ ".tar.xz", "application/x-xz", write_tar_xz_archive, 0x10 },
 	{}
 };
 
@@ -107,6 +92,7 @@ static int make_snapshot(const struct cgit_snapshot_format *format,
 	}
 	args.tree = commit->tree;
 	args.time = commit->date;
+	args.compression_level = Z_DEFAULT_COMPRESSION;
 	ctx.page.mimetype = xstrdup(format->mimetype);
 	ctx.page.filename = xstrdup(filename);
 	cgit_print_http_headers(&ctx);
@@ -133,13 +119,11 @@ static const char *get_ref_from_filename(const char *url, const char *filename,
 
 	snapshot = xstrdup(filename);
 	snapshot[strlen(snapshot) - strlen(format->suffix)] = '\0';
-	fprintf(stderr, "snapshot=%s\n", snapshot);
 
 	if (get_sha1(snapshot, sha1) == 0)
 		return snapshot;
 
 	reponame = cgit_repobasename(url);
-	fprintf(stderr, "reponame=%s\n", reponame);
 	if (prefixcmp(snapshot, reponame) == 0) {
 		snapshot += strlen(reponame);
 		while (snapshot && (*snapshot == '-' || *snapshot == '_'))