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2019-07-03Add no-skip option to sqfs2tarDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-07-03tar writer: replace PAX headers with GNU extensionsDavid Oberhollenzer
Some experiments seem to indicate that the various GNU extensions are more widely supported than their POSIX equivalents[1]. Possibly because they are easier to implement and possibly because of the wide spread use of GNU tar. This commit replaces the PAX writer in the write_tar_header implementation with a GNU extension based writer. The writer is also cleaned up by removing all global state. The record counter is moved outside into the tar2sqfs program and passed in as function argument. [1] https://dev.gentoo.org/~mgorny/articles/portability-of-tar-features.html Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-07-03Add no-skip option to tar2sqfsDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-30libtar: clarify actual size vs on-disk record sizeDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-30Add support for repacking condensed sparse filesDavid Oberhollenzer
This commit broadly does the following things: - Rename and move the sparse mapping structure to libutil - Add a function to the data writer for writing condensed versions of sparse files, given the mapping. - This shares code with the already existing function for regular files. The shared code is moved to a common helper function. - Add support to tar2sqfs for repacking sparse files. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-28Add support for unpacking sparse files as sparse filesDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-23tar2sqfs: Fix help stringDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-23Add block size and device block size options to tar2sqfsDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-23Add filesystem defaults option to tar2sqfsDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-23Add compressor options to tar2sqfsDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-23Move fstree default option processing to fstree codeDavid Oberhollenzer
Instead of decomposing a default string in gensquashfs option processing, move that to fstree_init instead and pass the option string directly to fstree_init. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-23tar2sqfs: Add some output messages, --quiet flag and --forceDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-22Cleanup: split fstree sort into 2 fstree independend functionsDavid Oberhollenzer
Make tree node list sort and recursive variant available and independend of the fstree_t. This is considered cleaner, since the fstree_t actually isn't needed for any of this and we can just call the recusvie sort on the root instead, and we can use the sort implementation directly for things like the upcoming unit test. Also this commit splits up the merge/sort implementation into a seperate split and merge functions to make the code somewhat more readable. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-19Split generic tar code off to static libraryDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-17tar2sqfs: rewrite parser to fill struct stat, create tree node from thatDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-16sqfs2tar: cleanup tar header generationDavid Oberhollenzer
- use struct stat instead of tree node - compact some of the code Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-15Add utility to turn a POSIX/PAX tar archive into a squashfs imageDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-15Add utility to turn a squashfs image into a POSIX tar archvieDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>