[Buildroot] [PATCH] support/download/svn: fix date format for archive creation
Yann E. MORIN
yann.morin.1998 at free.fr
Mon Feb 22 22:06:01 UTC 2021
Vincent, All,
On 2021-02-19 15:21 -0600, Vincent Fazio spake thusly:
> Previously we would use the date provided by:
> `svn info --show-item last-changed-date ...`
>
> The date returned from this command could include sub-second precision
> which is not compatible with the PAX options we specify to GNU tar.
>
> Now the returned date is massaged to drop the sub-seconds.
>
> Signed-off-by: Vincent Fazio <vfazio at xes-inc.com>
In the end, I did move it to the helper, because:
- this really is an internal detail on a limitation of the PAX format,
- we do not really mind what exact timestamp goes in the archive, as
long as it is reproducible.
Also, as suggested by Arnout, I switched to usig an explicit date-time
POSIX-compliant format string, rather than rely on -Iseconds, which is
a GNU extension.
Applied to master, thanks.
Regards,
Yann E. MORIN.
> ---
> support/download/svn | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/support/download/svn b/support/download/svn
> index 839dccaf62..ea1032267f 100755
> --- a/support/download/svn
> +++ b/support/download/svn
> @@ -52,6 +52,9 @@ _svn export ${verbose} "${@}" "'${uri}@${rev}'" "'${basename}'"
> # last line (svn outputs everything on stdout)
> date="$( _svn info --show-item last-changed-date "'${uri}@${rev}'" |tail -n 1 )"
>
> +# Drop sub-second precision to play nice with GNU tar's valid_timespec check
> +date="$( date -d "${date}" -uIseconds )"
> +
> # Generate the archive.
> # We did a 'svn export' above, so it's not a working copy (there is no .svn
> # directory or file to ignore).
> --
> 2.30.0
>
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