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authorJohn Crispin <john@openwrt.org>2015-12-11 15:07:15 +0000
committerJohn Crispin <john@openwrt.org>2015-12-11 15:07:15 +0000
commitfd1c1b491828bb66eb2aa06b2c9f4a4e86ce661b (patch)
tree2caa409227f84f5368ca8ec5a338f158dc1a6aa6 /tools/squashfs4/patches/200-add-fixed-timestamp-option.patch
parent725fc09cec4c310d06ca17267775acc5c9aa4033 (diff)
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tools/squashfs: add argument -fixed-time to set all timestamps
-fixed-time <timestamp> set mkfs-timestamp and file-mtime to this timestamp. Reproducible builds requires the removal of all timestamp or setting all to a specific one. Signed-off-by: Alexander Couzens <lynxis@fe80.eu> SVN-Revision: 47858
Diffstat (limited to 'tools/squashfs4/patches/200-add-fixed-timestamp-option.patch')
-rw-r--r--tools/squashfs4/patches/200-add-fixed-timestamp-option.patch84
1 files changed, 84 insertions, 0 deletions
diff --git a/tools/squashfs4/patches/200-add-fixed-timestamp-option.patch b/tools/squashfs4/patches/200-add-fixed-timestamp-option.patch
new file mode 100644
index 0000000000..7ac1765eed
--- /dev/null
+++ b/tools/squashfs4/patches/200-add-fixed-timestamp-option.patch
@@ -0,0 +1,84 @@
+Index: squashfs4.2/squashfs-tools/mksquashfs.c
+===================================================================
+--- squashfs4.2.orig/squashfs-tools/mksquashfs.c
++++ squashfs4.2/squashfs-tools/mksquashfs.c
+@@ -175,6 +175,9 @@ unsigned int cache_bytes = 0, cache_size
+ /* inode lookup table */
+ squashfs_inode *inode_lookup_table = NULL;
+
++/* override all timestamps */
++time_t fixed_time = -1;
++
+ /* in memory directory data */
+ #define I_COUNT_SIZE 128
+ #define DIR_ENTRIES 32
+@@ -2452,6 +2455,8 @@ again:
+ restat:
+ fstat(file, &buf2);
+ close(file);
++ if (fixed_time != -1)
++ buf2.st_mtime = fixed_time;
+ if(read_size != buf2.st_size) {
+ memcpy(buf, &buf2, sizeof(struct stat));
+ file_buffer->error = 2;
+@@ -3612,7 +3617,7 @@ void dir_scan(squashfs_inode *inode, cha
+ buf.st_mode = S_IRWXU | S_IRWXG | S_IRWXO | S_IFDIR;
+ buf.st_uid = getuid();
+ buf.st_gid = getgid();
+- buf.st_mtime = time(NULL);
++ buf.st_mtime = fixed_time != -1 ? fixed_time : time(NULL);
+ buf.st_dev = 0;
+ buf.st_ino = 0;
+ dir_ent->inode = lookup_inode(&buf);
+@@ -3623,6 +3628,8 @@ void dir_scan(squashfs_inode *inode, cha
+ pathname, strerror(errno));
+ return;
+ }
++ if(fixed_time != -1)
++ buf.st_mtime = fixed_time;
+ dir_ent->inode = lookup_inode(&buf);
+ }
+
+@@ -3677,6 +3684,8 @@ struct dir_info *dir_scan1(char *pathnam
+ filename, strerror(errno));
+ continue;
+ }
++ if(fixed_time != -1)
++ buf.st_mtime = fixed_time;
+
+ if((buf.st_mode & S_IFMT) != S_IFREG &&
+ (buf.st_mode & S_IFMT) != S_IFDIR &&
+@@ -3795,7 +3804,7 @@ struct dir_info *dir_scan2(struct dir_in
+ buf.st_gid = pseudo_ent->dev->gid;
+ buf.st_rdev = makedev(pseudo_ent->dev->major,
+ pseudo_ent->dev->minor);
+- buf.st_mtime = time(NULL);
++ buf.st_mtime = fixed_time != -1 ? fixed_time : time(NULL);
+ buf.st_ino = pseudo_ino ++;
+
+ if(pseudo_ent->dev->type == 'f') {
+@@ -4674,6 +4683,15 @@ int main(int argc, char *argv[])
+ progress = FALSE;
+ else if(strcmp(argv[i], "-no-exports") == 0)
+ exportable = FALSE;
++ else if(strcmp(argv[i], "-fixed-time") == 0) {
++ if((++i == argc) || (fixed_time =
++ strtoll(argv[i], &b, 10), *b != '\0')) {
++ ERROR("%s: -fixed-time missing or invalid "
++ "timestamp\n", argv[0]);
++
++ exit(1);
++ }
++ }
+ else if(strcmp(argv[i], "-processors") == 0) {
+ if((++i == argc) || (processors =
+ strtol(argv[i], &b, 10), *b != '\0')) {
+@@ -5314,7 +5332,7 @@ printOptions:
+ sBlk.flags = SQUASHFS_MKFLAGS(noI, noD, noF, noX, no_fragments,
+ always_use_fragments, duplicate_checking, exportable,
+ no_xattrs, comp_opts);
+- sBlk.mkfs_time = time(NULL);
++ sBlk.mkfs_time = fixed_time != -1 ? fixed_time : time(NULL);
+
+ restore_filesystem:
+ if(progress && estimated_uncompressed) {