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| author | David Oberhollenzer <david.oberhollenzer@sigma-star.at> | 2019-08-21 16:04:39 +0200 |
|---|---|---|
| committer | David Oberhollenzer <david.oberhollenzer@sigma-star.at> | 2019-08-21 16:44:11 +0200 |
| commit | 6d3ff186da6f59d2164662ca5f1052219f1d92fd (patch) | |
| tree | 89139746e4d6fe2c1708a6191ee19fe5595a0437 /doc/tar2sqfs.1 | |
| parent | a408953eebb0dc65441e9ec4becbc8e2dba6c0e8 (diff) | |
Update man pages
- Add "see also" references
- Make some adjustments as suggested by man-pages(7)
- Clarify environment variable behaviour
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Diffstat (limited to 'doc/tar2sqfs.1')
| -rw-r--r-- | doc/tar2sqfs.1 | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/doc/tar2sqfs.1 b/doc/tar2sqfs.1 index 463125b..abbde6a 100644 --- a/doc/tar2sqfs.1 +++ b/doc/tar2sqfs.1 @@ -100,13 +100,17 @@ 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 option is set, processing aborts. By default, unknown sections and unsupported extended attributes are simply skipped after issuing a warning. -.SH ENVIRONEMNT VARIABLES +.SH ENVIRONEMNT If the command line switch \fB\-\-defaults\fR is not used or no default mtime is specified, the value of the environment variable \fBSOURCE\_DATE\_EPOCH\fR is used for all file and filesystem timestamps. If \fBSOURCE\_DATE\_EPOCH\fR is not set, not a parsable number or it is out of range, the timestamps default to 0. + +Environment variables are only used if no explicit command line switches +are set. Explicit command line switches are always preferred over the +environment variables. .SH EXAMPLES .TP Turn an uncompressed tar archive into a squashfs image: @@ -120,6 +124,8 @@ zcat rootfs.tar.gz | tar2sqfs rootfs.sqfs Turn an LZMA2 compressed tar archive into a squashfs image: .IP xzcat rootfs.tar.xz | tar2sqfs rootfs.sqfs +.SH SEE ALSO +gensquashfs(1), rdsquashfs(1), sqfs2tar(1) .SH AUTHOR Written by David Oberhollenzer. .SH COPYRIGHT |