Diffstat (limited to 'ui-snapshot.c')
| -rw-r--r-- | ui-snapshot.c | 150 |
1 files changed, 26 insertions, 124 deletions
diff --git a/ui-snapshot.c b/ui-snapshot.c index d6be55b..2257d6b 100644 --- a/ui-snapshot.c +++ b/ui-snapshot.c @@ -8,138 +8,40 @@ #include "cgit.h" -static int write_compressed_tar_archive(struct archiver_args *args,const char *filter) +static void cgit_print_zip(struct cacheitem *item, const char *hex, + const char *prefix, const char *filename) { - int rw[2]; - pid_t gzpid; - int stdout2; - int status; - int rv; + struct archiver_args args; + struct commit *commit; + unsigned char sha1[20]; - 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); + if (get_sha1(hex, sha1)) { + cgit_print_error(fmt("Bad object id: %s", hex)); + return; } - /* 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 } -}; - -void cgit_print_snapshot(struct cacheitem *item, const char *hex, - 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; - 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;; - } + commit = lookup_commit_reference(sha1); - 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); + if (!commit) { + cgit_print_error(fmt("Not a commit reference: %s", hex)); return; } - cgit_print_error(fmt("Unsupported snapshot format: %s", filename)); -} -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&name=%s",hex,filename)), filename); - } + 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); } -int cgit_parse_snapshots_mask(const char *str) + +void cgit_print_snapshot(struct cacheitem *item, const char *hex, + const char *format, const char *prefix, + const char *filename) { - 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; + if (!strcmp(format, "zip")) + cgit_print_zip(item, hex, prefix, filename); + else + cgit_print_error(fmt("Unsupported snapshot format: %s", + format)); } - -/* vim:set sw=8: */ |