tools/squashfs: add argument -fixed-time to set all timestamps
[openwrt.git] / tools / squashfs / patches / 120-add-fixed-timestamp-support.patch
1 --- a/squashfs-tools/mksquashfs.c
2 +++ b/squashfs-tools/mksquashfs.c
3 @@ -117,6 +117,9 @@ unsigned int inode_bytes = 0, inode_size
4  char *data_cache = NULL;
5  unsigned int cache_bytes = 0, cache_size = 0, inode_count = 0;
6  
7 +/* override all timestamps */
8 +time_t fixed_time = -1;
9 +
10  /* in memory directory data */
11  #define I_COUNT_SIZE           128
12  #define DIR_ENTRIES            32
13 @@ -1554,6 +1557,11 @@ void dir_scan(squashfs_inode *inode, cha
14                 perror(buffer);
15                 return;
16         }
17 +
18 +       /* override timestamp of lstat if fixed_time is given */
19 +       if(fixed_time != -1)
20 +               inode_info->buf.st_mtime = fixed_time;
21 +
22         if(sorted)
23                 sort_files_and_write(dir_info);
24         dir_scan2(inode, dir_info);
25 @@ -1582,6 +1590,10 @@ struct dir_info *dir_scan1(char *pathnam
26                         perror(buffer);
27                         continue;
28                 }
29 +
30 +               if(fixed_time != -1)
31 +                       buf.st_mtime = fixed_time;
32 +
33                 if(excluded(filename, &buf))
34                         continue;
35  
36 @@ -1621,6 +1633,9 @@ int dir_scan2(squashfs_inode *inode, str
37                 char *dir_name = dir_ent->name;
38                 unsigned int inode_number = ((buf->st_mode & S_IFMT) == S_IFDIR) ? dir_ent->inode->inode_number : dir_ent->inode->inode_number + dir_inode_no;
39  
40 +               if(fixed_time != -1)
41 +                       buf->st_mtime = fixed_time;
42 +
43                 if(dir_ent->inode->inode == SQUASHFS_INVALID_BLK) {
44                         switch(buf->st_mode & S_IFMT) {
45                                 case S_IFREG:
46 @@ -1898,6 +1913,16 @@ int main(int argc, char *argv[])
47                                         exit(1);
48                                 }
49                         }
50 +               } else if(strcmp(argv[i], "-fixed-time") == 0) {
51 +                       if(++i == argc) {
52 +                               ERROR("%s: -fixed-time missing a timestamp\n", argv[0]);
53 +                               exit(1);
54 +                       }
55 +                       fixed_time = strtoll(argv[i], &b, 10);
56 +                       if(*b != '\0') {
57 +                               ERROR("%s: -fixed-time has an invalid number\n", argv[0]);
58 +                               exit(1);
59 +                       }
60                 } else if(strcmp(argv[i], "-noI") == 0 ||
61                                 strcmp(argv[i], "-noInodeCompression") == 0)
62                         noI = TRUE;
63 @@ -1967,6 +1992,7 @@ printOptions:
64                         ERROR("-all-root\t\tmake all files owned by root\n");
65                         ERROR("-force-uid uid\t\tset all file uids to uid\n");
66                         ERROR("-force-gid gid\t\tset all file gids to gid\n");
67 +                       ERROR("-fixed-time timestamp\tset all timestamps to timestamp\n");
68                         ERROR("-le\t\t\tcreate a little endian filesystem\n");
69                         ERROR("-be\t\t\tcreate a big endian filesystem\n");
70                         ERROR("-nopad\t\t\tdo not pad filesystem to a multiple of 4K\n");
71 @@ -2190,7 +2216,7 @@ printOptions:
72         sBlk.block_size = block_size;
73         sBlk.block_log = block_log;
74         sBlk.flags = SQUASHFS_MKFLAGS(noI, noD, check_data, noF, no_fragments, always_use_fragments, duplicate_checking);
75 -       sBlk.mkfs_time = time(NULL);
76 +       sBlk.mkfs_time = fixed_time != -1 ? fixed_time : time(NULL);
77  
78  restore_filesystem:
79         write_fragment();