tools/squashfs: add argument -fixed-time to set all timestamps

[openwrt/svn-archive/archive.git] / tools / squashfs / patches / 120-add-fixed-timestamp-support.patch

diff --git a/tools/squashfs/patches/120-add-fixed-timestamp-support.patch b/tools/squashfs/patches/120-add-fixed-timestamp-support.patch
new file mode 100644 (file)
index 0000000..e2f4bb2
--- /dev/null
+++ b/tools/squashfs/patches/120-add-fixed-timestamp-support.patch
@@ -0,0 +1,79 @@
+--- a/squashfs-tools/mksquashfs.c
++++ b/squashfs-tools/mksquashfs.c
+@@ -117,6 +117,9 @@ unsigned int inode_bytes = 0, inode_size
+ char *data_cache = NULL;
+ unsigned int cache_bytes = 0, cache_size = 0, inode_count = 0;
+ 
++/* override all timestamps */
++time_t fixed_time = -1;
++
+ /* in memory directory data */
+ #define I_COUNT_SIZE          128
+ #define DIR_ENTRIES           32
+@@ -1554,6 +1557,11 @@ void dir_scan(squashfs_inode *inode, cha
+               perror(buffer);
+               return;
+       }
++
++      /* override timestamp of lstat if fixed_time is given */
++      if(fixed_time != -1)
++              inode_info->buf.st_mtime = fixed_time;
++
+       if(sorted)
+               sort_files_and_write(dir_info);
+       dir_scan2(inode, dir_info);
+@@ -1582,6 +1590,10 @@ struct dir_info *dir_scan1(char *pathnam
+                       perror(buffer);
+                       continue;
+               }
++
++              if(fixed_time != -1)
++                      buf.st_mtime = fixed_time;
++
+               if(excluded(filename, &buf))
+                       continue;
+ 
+@@ -1621,6 +1633,9 @@ int dir_scan2(squashfs_inode *inode, str
+               char *dir_name = dir_ent->name;
+               unsigned int inode_number = ((buf->st_mode & S_IFMT) == S_IFDIR) ? dir_ent->inode->inode_number : dir_ent->inode->inode_number + dir_inode_no;
+ 
++              if(fixed_time != -1)
++                      buf->st_mtime = fixed_time;
++
+               if(dir_ent->inode->inode == SQUASHFS_INVALID_BLK) {
+                       switch(buf->st_mode & S_IFMT) {
+                               case S_IFREG:
+@@ -1898,6 +1913,16 @@ int main(int argc, char *argv[])
+                                       exit(1);
+                               }
+                       }
++              } else if(strcmp(argv[i], "-fixed-time") == 0) {
++                      if(++i == argc) {
++                              ERROR("%s: -fixed-time missing a timestamp\n", argv[0]);
++                              exit(1);
++                      }
++                      fixed_time = strtoll(argv[i], &b, 10);
++                      if(*b != '\0') {
++                              ERROR("%s: -fixed-time has an invalid number\n", argv[0]);
++                              exit(1);
++                      }
+               } else if(strcmp(argv[i], "-noI") == 0 ||
+                               strcmp(argv[i], "-noInodeCompression") == 0)
+                       noI = TRUE;
+@@ -1967,6 +1992,7 @@ printOptions:
+                       ERROR("-all-root\t\tmake all files owned by root\n");
+                       ERROR("-force-uid uid\t\tset all file uids to uid\n");
+                       ERROR("-force-gid gid\t\tset all file gids to gid\n");
++                      ERROR("-fixed-time timestamp\tset all timestamps to timestamp\n");
+                       ERROR("-le\t\t\tcreate a little endian filesystem\n");
+                       ERROR("-be\t\t\tcreate a big endian filesystem\n");
+                       ERROR("-nopad\t\t\tdo not pad filesystem to a multiple of 4K\n");
+@@ -2190,7 +2216,7 @@ printOptions:
+       sBlk.block_size = block_size;
+       sBlk.block_log = block_log;
+       sBlk.flags = SQUASHFS_MKFLAGS(noI, noD, check_data, noF, no_fragments, always_use_fragments, duplicate_checking);
+-      sBlk.mkfs_time = time(NULL);
++      sBlk.mkfs_time = fixed_time != -1 ? fixed_time : time(NULL);
+ 
+ restore_filesystem:
+       write_fragment();