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fd1c1b4918
-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
80 lines
2.5 KiB
Diff
80 lines
2.5 KiB
Diff
--- a/squashfs-tools/mksquashfs.c
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+++ b/squashfs-tools/mksquashfs.c
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@@ -117,6 +117,9 @@ unsigned int inode_bytes = 0, inode_size
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char *data_cache = NULL;
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unsigned int cache_bytes = 0, cache_size = 0, inode_count = 0;
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+/* override all timestamps */
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+time_t fixed_time = -1;
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+
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/* in memory directory data */
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#define I_COUNT_SIZE 128
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#define DIR_ENTRIES 32
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@@ -1554,6 +1557,11 @@ void dir_scan(squashfs_inode *inode, cha
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perror(buffer);
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return;
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}
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+
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+ /* override timestamp of lstat if fixed_time is given */
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+ if(fixed_time != -1)
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+ inode_info->buf.st_mtime = fixed_time;
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+
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if(sorted)
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sort_files_and_write(dir_info);
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dir_scan2(inode, dir_info);
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@@ -1582,6 +1590,10 @@ struct dir_info *dir_scan1(char *pathnam
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perror(buffer);
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continue;
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}
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+
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+ if(fixed_time != -1)
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+ buf.st_mtime = fixed_time;
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+
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if(excluded(filename, &buf))
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continue;
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@@ -1621,6 +1633,9 @@ int dir_scan2(squashfs_inode *inode, str
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char *dir_name = dir_ent->name;
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unsigned int inode_number = ((buf->st_mode & S_IFMT) == S_IFDIR) ? dir_ent->inode->inode_number : dir_ent->inode->inode_number + dir_inode_no;
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+ if(fixed_time != -1)
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+ buf->st_mtime = fixed_time;
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+
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if(dir_ent->inode->inode == SQUASHFS_INVALID_BLK) {
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switch(buf->st_mode & S_IFMT) {
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case S_IFREG:
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@@ -1898,6 +1913,16 @@ int main(int argc, char *argv[])
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exit(1);
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}
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}
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+ } else if(strcmp(argv[i], "-fixed-time") == 0) {
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+ if(++i == argc) {
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+ ERROR("%s: -fixed-time missing a timestamp\n", argv[0]);
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+ exit(1);
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+ }
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+ fixed_time = strtoll(argv[i], &b, 10);
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+ if(*b != '\0') {
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+ ERROR("%s: -fixed-time has an invalid number\n", argv[0]);
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+ exit(1);
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+ }
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} else if(strcmp(argv[i], "-noI") == 0 ||
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strcmp(argv[i], "-noInodeCompression") == 0)
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noI = TRUE;
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@@ -1967,6 +1992,7 @@ printOptions:
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ERROR("-all-root\t\tmake all files owned by root\n");
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ERROR("-force-uid uid\t\tset all file uids to uid\n");
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ERROR("-force-gid gid\t\tset all file gids to gid\n");
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+ ERROR("-fixed-time timestamp\tset all timestamps to timestamp\n");
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ERROR("-le\t\t\tcreate a little endian filesystem\n");
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ERROR("-be\t\t\tcreate a big endian filesystem\n");
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ERROR("-nopad\t\t\tdo not pad filesystem to a multiple of 4K\n");
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@@ -2190,7 +2216,7 @@ printOptions:
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sBlk.block_size = block_size;
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sBlk.block_log = block_log;
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sBlk.flags = SQUASHFS_MKFLAGS(noI, noD, check_data, noF, no_fragments, always_use_fragments, duplicate_checking);
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- sBlk.mkfs_time = time(NULL);
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+ sBlk.mkfs_time = fixed_time != -1 ? fixed_time : time(NULL);
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restore_filesystem:
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write_fragment();
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