#include "cgit.h"
-static void cgit_print_zip(struct cacheitem *item, const char *hex,
- const char *prefix, const char *filename)
+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, 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 }
+};
+
+#define snapshot_archives_len (sizeof(snapshot_archives) / sizeof(*snapshot_archives))
+
+void cgit_print_snapshot(struct cacheitem *item, const char *head,
+ const char *hex, const char *prefix,
+ const char *filename, int snapshots)
+{
+ const struct snapshot_archive_t* sat;
struct archiver_args args;
struct commit *commit;
unsigned char sha1[20];
+ int f, sl, fnl = strlen(filename);
- if (get_sha1(hex, sha1)) {
- cgit_print_error(fmt("Bad object id: %s", hex));
+ for(f=0; f<snapshot_archives_len; f++) {
+ sat = &snapshot_archives[f];
+ if(!(snapshots & sat->bit))
+ continue;
+ sl = strlen(sat->suffix);
+ if(fnl<sl || strcmp(&filename[fnl-sl],sat->suffix))
+ continue;
+ if (!hex)
+ hex = head;
+ 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;
}
- commit = lookup_commit_reference(sha1);
+ cgit_print_error(fmt("Unsupported snapshot format: %s", filename));
+}
- if (!commit) {
- cgit_print_error(fmt("Not a commit reference: %s", hex));
- return;
- }
+void cgit_print_snapshot_links(const char *repo, const char *head,
+ const char *hex, int snapshots)
+{
+ const struct snapshot_archive_t* sat;
+ char *filename;
+ int f;
- memset(&args, 0, sizeof(args));
- args.base = fmt("%s/", prefix);
- args.tree = commit->tree;
-
- cgit_print_snapshot_start("application/x-zip", filename, item);
- write_zip_archive(&args);
+ for(f=0; f<snapshot_archives_len; f++) {
+ sat = &snapshot_archives[f];
+ if(!(snapshots & sat->bit))
+ continue;
+ filename = fmt("%s-%s%s", cgit_repobasename(repo), hex,
+ sat->suffix);
+ cgit_snapshot_link(filename, NULL, NULL, (char *)head,
+ (char *)hex, filename);
+ html("<br/>");
+ }
}
-
-void cgit_print_snapshot(struct cacheitem *item, const char *hex,
- const char *format, const char *prefix,
- const char *filename)
+int cgit_parse_snapshots_mask(const char *str)
{
- if (!strcmp(format, "zip"))
- cgit_print_zip(item, hex, prefix, filename);
- else
- cgit_print_error(fmt("Unsupported snapshot format: %s",
- format));
+ const struct snapshot_archive_t* sat;
+ 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<snapshot_archives_len; f++) {
+ 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: */
projects / ps-cgit / blobdiff