| -rw-r--r-- | ui-snapshot.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/ui-snapshot.c b/ui-snapshot.c index bd34a28..4d1aa88 100644 --- a/ui-snapshot.c +++ b/ui-snapshot.c @@ -6,150 +6,151 @@ * (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, 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); 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; + args.time = commit->date; 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 *head, const char *hex, int snapshots) { const struct snapshot_archive_t* sat; char *filename; int f; 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/>"); } } int cgit_parse_snapshots_mask(const char *str) { 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: */ |