| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 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(); |