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-rw-r--r--ui-snapshot.c17
1 files changed, 14 insertions, 3 deletions
diff --git a/ui-snapshot.c b/ui-snapshot.c
index 649569f..f623f35 100644
--- a/ui-snapshot.c
+++ b/ui-snapshot.c
@@ -1,65 +1,75 @@
1/* ui-snapshot.c: generate snapshot of a commit 1/* ui-snapshot.c: generate snapshot of a commit
2 * 2 *
3 * Copyright (C) 2006 Lars Hjemli 3 * Copyright (C) 2006 Lars Hjemli
4 * 4 *
5 * Licensed under GNU General Public License v2 5 * Licensed under GNU General Public License v2
6 * (see COPYING for full license text) 6 * (see COPYING for full license text)
7 */ 7 */
8 8
9#include "cgit.h" 9#include "cgit.h"
10 10
11static int write_tar_gzip_archive(struct archiver_args *args) 11static int write_compressed_tar_archive(struct archiver_args *args,const char *filter)
12{ 12{
13 int rw[2]; 13 int rw[2];
14 pid_t gzpid; 14 pid_t gzpid;
15 int stdout2; 15 int stdout2;
16 int status; 16 int status;
17 int rv; 17 int rv;
18 18
19 stdout2 = chk_non_negative(dup(STDIN_FILENO), "Preserving STDOUT before compressing"); 19 stdout2 = chk_non_negative(dup(STDIN_FILENO), "Preserving STDOUT before compressing");
20 chk_zero(pipe(rw), "Opening pipe from compressor subprocess"); 20 chk_zero(pipe(rw), "Opening pipe from compressor subprocess");
21 gzpid = chk_non_negative(fork(), "Forking compressor subprocess"); 21 gzpid = chk_non_negative(fork(), "Forking compressor subprocess");
22 if(gzpid==0) { 22 if(gzpid==0) {
23 /* child */ 23 /* child */
24 chk_zero(close(rw[1]), "Closing write end of pipe in child"); 24 chk_zero(close(rw[1]), "Closing write end of pipe in child");
25 chk_zero(close(STDIN_FILENO), "Closing STDIN"); 25 chk_zero(close(STDIN_FILENO), "Closing STDIN");
26 chk_non_negative(dup2(rw[0],STDIN_FILENO), "Redirecting compressor input to stdin"); 26 chk_non_negative(dup2(rw[0],STDIN_FILENO), "Redirecting compressor input to stdin");
27 execlp("gzip","gzip",NULL); 27 execlp(filter,filter,NULL);
28 _exit(-1); 28 _exit(-1);
29 } 29 }
30 /* parent */ 30 /* parent */
31 chk_zero(close(rw[0]), "Closing read end of pipe"); 31 chk_zero(close(rw[0]), "Closing read end of pipe");
32 chk_non_negative(dup2(rw[1],STDOUT_FILENO), "Redirecting output to compressor"); 32 chk_non_negative(dup2(rw[1],STDOUT_FILENO), "Redirecting output to compressor");
33 33
34 rv = write_tar_archive(args); 34 rv = write_tar_archive(args);
35 35
36 chk_zero(close(STDOUT_FILENO), "Closing STDOUT redirected to compressor"); 36 chk_zero(close(STDOUT_FILENO), "Closing STDOUT redirected to compressor");
37 chk_non_negative(dup2(stdout2,STDOUT_FILENO), "Restoring uncompressed STDOUT"); 37 chk_non_negative(dup2(stdout2,STDOUT_FILENO), "Restoring uncompressed STDOUT");
38 chk_zero(close(stdout2), "Closing uncompressed STDOUT"); 38 chk_zero(close(stdout2), "Closing uncompressed STDOUT");
39 chk_zero(close(rw[1]), "Closing write end of pipe in parent"); 39 chk_zero(close(rw[1]), "Closing write end of pipe in parent");
40 chk_positive(waitpid(gzpid,&status,0), "Waiting on compressor process"); 40 chk_positive(waitpid(gzpid,&status,0), "Waiting on compressor process");
41 if(! ( WIFEXITED(status) && WEXITSTATUS(status)==0 ) ) 41 if(! ( WIFEXITED(status) && WEXITSTATUS(status)==0 ) )
42 cgit_print_error("Failed to compress archive"); 42 cgit_print_error("Failed to compress archive");
43 43
44 return rv; 44 return rv;
45} 45}
46 46
47static int write_tar_gzip_archive(struct archiver_args *args)
48{
49 return write_compressed_tar_archive(args,"gzip");
50}
51static int write_tar_bzip2_archive(struct archiver_args *args)
52{
53 return write_compressed_tar_archive(args,"bzip2");
54}
55
47static const struct snapshot_archive_t { 56static const struct snapshot_archive_t {
48 const char *suffix; 57 const char *suffix;
49 const char *mimetype; 58 const char *mimetype;
50 write_archive_fn_t write_func; 59 write_archive_fn_t write_func;
51 }snapshot_archives[] = { 60 }snapshot_archives[] = {
52 { ".zip", "application/x-zip", write_zip_archive }, 61 { ".zip", "application/x-zip", write_zip_archive },
53 { ".tar.gz", "application/x-gzip", write_tar_gzip_archive } 62 { ".tar.gz", "application/x-tar", write_tar_gzip_archive },
63 { ".tar.bz2", "application/x-tar", write_tar_bzip2_archive }
54}; 64};
55 65
56void cgit_print_snapshot(struct cacheitem *item, const char *hex, 66void cgit_print_snapshot(struct cacheitem *item, const char *hex,
57 const char *prefix, const char *filename) 67 const char *prefix, const char *filename)
58{ 68{
59 int fnl = strlen(filename); 69 int fnl = strlen(filename);
60 int f; 70 int f;
61 for(f=0;f<(sizeof(snapshot_archives)/sizeof(*snapshot_archives));++f) { 71 for(f=0;f<(sizeof(snapshot_archives)/sizeof(*snapshot_archives));++f) {
62 const struct snapshot_archive_t* sat = &snapshot_archives[f]; 72 const struct snapshot_archive_t* sat = &snapshot_archives[f];
63 int sl = strlen(sat->suffix); 73 int sl = strlen(sat->suffix);
64 if(fnl<sl || strcmp(&filename[fnl-sl],sat->suffix)) 74 if(fnl<sl || strcmp(&filename[fnl-sl],sat->suffix))
65 continue; 75 continue;
@@ -93,12 +103,13 @@ void cgit_print_snapshot(struct cacheitem *item, const char *hex,
93void cgit_print_snapshot_links(const char *repo,const char *hex) 103void cgit_print_snapshot_links(const char *repo,const char *hex)
94{ 104{
95 char *filename; 105 char *filename;
96 int f; 106 int f;
97 for(f=0;f<(sizeof(snapshot_archives)/sizeof(*snapshot_archives));++f) { 107 for(f=0;f<(sizeof(snapshot_archives)/sizeof(*snapshot_archives));++f) {
98 const struct snapshot_archive_t* sat = &snapshot_archives[f]; 108 const struct snapshot_archive_t* sat = &snapshot_archives[f];
99 filename = fmt("%s-%s%s",repo,hex,sat->suffix); 109 filename = fmt("%s-%s%s",repo,hex,sat->suffix);
100 htmlf("<a href='%s'>%s</a><br/>", 110 htmlf("<a href='%s'>%s</a><br/>",
101 cgit_pageurl(repo,"snapshot", 111 cgit_pageurl(repo,"snapshot",
102 fmt("id=%s&amp;name=%s",hex,filename)), filename); 112 fmt("id=%s&amp;name=%s",hex,filename)), filename);
103 } 113 }
104} 114}
115/* vim:set sw=8: */