Date: Mon, 13 Nov 2017 07:36:15 +1300 From: Jonathan Chen <jonc@chen.org.nz> To: Grzegorz Junka <list1@gjunka.com> Cc: freebsd-ports@freebsd.org Subject: Re: Firefox (Doesn't) Build Message-ID: <CAJuc1zMBZNW8NT-KxRr0=SyeckTzL9gGXx97U0zdGo9xMxyyKA@mail.gmail.com> In-Reply-To: <CAJuc1zNqseCoKEq=%2BgRcO%2BRgvp3jVAq5LXu-2=-woTtOgJiM0Q@mail.gmail.com> References: <BL2PR05MB2274B42AD1B2CFE4B5215767BB550@BL2PR05MB2274.namprd05.prod.outlook.com> <BL2PR05MB22748A248A96B4ECBE5E40EBBB550@BL2PR05MB2274.namprd05.prod.outlook.com> <CAJuc1zM1JqzYYUOHTP=VpAqi6Rz%2BEvGAW6OyODsg9W_mjH6xMg@mail.gmail.com> <a3c414cc-2cf6-2dec-c467-c2ed0aa5c1e6@gjunka.com> <CAJuc1zNqseCoKEq=%2BgRcO%2BRgvp3jVAq5LXu-2=-woTtOgJiM0Q@mail.gmail.com>
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On 13 November 2017 at 07:33, Jonathan Chen <jonc@chen.org.nz> wrote: > On 13 November 2017 at 00:03, Grzegorz Junka <list1@gjunka.com> wrote: >> On 12/11/2017 07:14, Jonathan Chen wrote: >>> >>> On 12 November 2017 at 12:16, Patrick Dorion <dorionpatrick@outlook.com> >>> wrote: >>>> >>>> What's the difference between using Poudriere or Synth, though? >>>> >>>> This is a clean system, I can't imagine a jail being cleaner... it was >>>> unpacked from the DVD the day before yesterday.... >>> >>> Both are clean room builds; ie where only minimal build dependancies >>> are installed for each port build. The main difference is that: >>> * poudriere uses jails to achieve this >>> * synth uses unionfs+chroot to achieve this >> >> >> Does it mean synth can't be used on ZFS? AFAIK unionfs isn't properly >> supported on ZFS, i.e. a file that exists in the underlying fs can't be >> marked as deleted in the overlying fs. > > synth uses unionfs for read-only access to the build-host's files; eg: > ports-dir, system binaries. In normal operation, all build artifacts > are generated onto on an isolated tmpfs filesystem. There are no > additions/removals on the build-host's filesystem. Sorry, this is not true. The build logs and generated packages *do* affect the build-host's filesystem; but the build operations do not. Cheers. -- Jonathan Chen <jonc@chen.org.nz>
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