diff options
Diffstat (limited to 'bin/tar2sqfs/tar2sqfs.1')
| -rw-r--r-- | bin/tar2sqfs/tar2sqfs.1 | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/bin/tar2sqfs/tar2sqfs.1 b/bin/tar2sqfs/tar2sqfs.1 index da344ec..300ab81 100644 --- a/bin/tar2sqfs/tar2sqfs.1 +++ b/bin/tar2sqfs/tar2sqfs.1 @@ -7,6 +7,9 @@ tar2sqfs \- create a SquashFS image from a tar archive .SH DESCRIPTION Quickly and painlessly turn a tar ball into a SquashFS filesystem image. .PP +By default, the program reads the archive from standard input. Compressed +archives are supported. +.PP Possible options: .TP \fB\-\-root\-becomes\fR, \fB\-r\fR <dir> @@ -107,12 +110,17 @@ Currently the program can process v7 format, pre-POSIX ustar, POSIX tar and GNU tar archives. PAX extension headers are also supported. Global PAX headers are ignored. -The support for GNU tar is limited to commonly used subset (i.e. some legacy +The support for GNU tar is limited to a commonly used subset (i.e. some legacy extensions that GNU tar itself no longer generates are not supported; neither -are mutli volume archives). +are multi volume archives). + +The input tar file can either be uncompressed, or stream compressed using +\fBgzip\fR, \fBxz\fR, \fBzstd\fR or \fBbzip2\fR. The program transparently +auto-detects and unpacks any stream compressed archive. The exact list of +supported compressors depends on the compile configuration. -Extended attributes are supported through the SCHILY.xattr PAX extension -(favoured by GNU tar and star) or through the LIBARCHIVE.xattr PAX extension. +Extended attributes are supported through the \fBSCHILY.xattr\fR extension +(favoured by GNU tar and star) or through the \fBLIBARCHIVE.xattr\fR extension. If any unsupported section or extended attribute key is encountered in an archive, a warning message is written to stderr. If the \fB\-\-no\-skip\fR @@ -133,15 +141,7 @@ environment variables. .TP Turn an uncompressed tar archive into a SquashFS image: .IP -tar2sqfs rootfs.sqfs < rootfs.tar -.TP -Turn a gzip'ed tar archive into a SquashFS image: -.IP -zcat rootfs.tar.gz | tar2sqfs rootfs.sqfs -.TP -Turn an LZMA2 compressed tar archive into a SquashFS image: -.IP -xzcat rootfs.tar.xz | tar2sqfs rootfs.sqfs +tar2sqfs rootfs.sqfs < rootfs.tar.gz .SH SEE ALSO gensquashfs(1), rdsquashfs(1), sqfs2tar(1) .SH AUTHOR |