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openwrt/tools/squashfs3-lzma/patches/120-add-fixed-timestamp-support.patch
Christian Marangi 01262c921c
tools/squashfs: rename to squashfs3-lzma
The name of squashfs is confusing since in reality it's a really old
version using an old lzma library. This tools is used for old ath79
netgear target and to produde a fake squasfs3 image needed for some
specific bootloader from some OEM (AVM for example)

Rename squashfs tool to squasfs3-lzma to better describe it.
Rename the installed bin from mksquashfs-lzma to mksquashfs3-lzma.
Use tar transform to migrate the root directory in tar to the new
naming.
Drop redundant PKG_CAT variable not needed anymore.
Also update any user of this tool.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
2023-02-18 21:11:36 +01:00

80 lines
2.5 KiB
Diff

--- 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();