newfs_msdos: clarify description of -T (timestamp) option
Submitted by: Siva Mahadevan <smahadevan@freebsdfoundation.org> Reported by: Daniel Shahaf <danielsh apache org> Reviewed by: emaste Sponsored by: The FreeBSD Foundation
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@ -38,10 +38,11 @@
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.Op Fl B Ar boot
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.Op Fl C Ar create-size
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.Op Fl F Ar FAT-type
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.Op Fl I Ar VolumeId
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.Op Fl I Ar VolumeID
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.Op Fl L Ar label
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.Op Fl O Ar OEM
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.Op Fl S Ar sector-size
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.Op Fl T Ar timestamp
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.Op Fl a Ar FAT-size
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.Op Fl b Ar block-size
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.Op Fl c Ar cluster-size
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@ -55,7 +56,6 @@
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.Op Fl o Ar hidden
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.Op Fl r Ar reserved
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.Op Fl s Ar total
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.Op Fl T Ar timestamp
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.Op Fl u Ar track-size
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.Ar special
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.Op Ar disktype
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@ -118,6 +118,14 @@ The default is
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Number of bytes per sector.
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Acceptable values are powers of 2
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in the range 512 through 32768, inclusive.
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.It Fl T Ar timestamp
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Create the filesystem as though the current time is
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.Ar timestamp .
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The default filesystem volume ID is derived from the time.
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.Ar timestamp
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can be a pathname (where the timestamp is derived from
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that file) or an integer value interpreted
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as the number of seconds since the Epoch.
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.It Fl a Ar FAT-size
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Number of sectors per FAT.
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.It Fl b Ar block-size
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@ -160,17 +168,11 @@ Number of hidden sectors.
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Number of reserved sectors.
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.It Fl s Ar total
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File system size.
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.It Fl T Ar timestamp
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Specify a timestamp to be used for filesystem creation so that
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it can be consistent for reproducible builds.
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The timestamp can be a pathname (where the timestamps are derived from
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that file) or an integer value interpreted
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as the number of seconds since the Epoch.
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.It Fl u Ar track-size
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Number of sectors per track.
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.El
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.Sh NOTES
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If some parameters (e.g. size, number of sectors, etc.) are not specified
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If some parameters (e.g., size, number of sectors, etc.) are not specified
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through options or disktype, the program tries to generate them automatically.
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In particular, the size is determined as the device or file size minus the
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offset specified with the
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