Re: [nmh-workers] Reproducible build patch

[valdis . kletnieks]

On Mon, 23 Jul 2018 09:17:45 -0400, Ken Hornstein said:

> DATE_FMT="%Y-%m-%d %T +0000"
> SOURCE_DATE_EPOCH="${SOURCE_DATE_EPOCH:-$(date +s)}"
> date=$(TZ=GMT0 date --date="@$SOURCE_DATE_EPOCH" "+$DATE_FMT" 2>/dev/null ||
date -u -r "$SOURCE_DATE_EPOCH" "+$DATE_FMT" 2>/dev/null || date -u "+$DATE_FMT
")
>
> I ... think that's right (note, I haven't tested it yet).  Everyone ok
> with this?

I doubt that's right - at least on Fedora, /usr/bin/date doesn't work that 
way....

date -r takes the next thing as a file whose mtime should be used
as the date source.

       -r, --reference=FILE
              display the last modification time of FILE

However, the next thing after -r is a bash variable that's probably not the 
name of a file.

Also, the 'date +s' is busted, it will just return "s".

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