Jonathan P. Greig aka redteam316 RIP 6/13/1984 - 2/7/2016
On Sat, Sep 30, 2017 at 3:05 AM, Christian Gagneraud <chg...@gmail.com> wrote: > Hi, > > PART1: > > Thanks everyone for you answers, after digging into the qtsdk.git > repo, i think i might be better staying away from the custom online > installer... > It's complex, and a custom online installer will give me maintenance > nightmares. > > I think what i need is the QBSP facility (that might be an Enterprise > feature), but basically it seems to be tailored to my needs: Add a BSP > to Qt SDK, automatically registered as a Kit in QtCreator. Once i get > this working to my taste i can move on online repositories. > > Here is the BootToQt one [1], based on Yocto (by the Linux Fundation). > > QBSP seems to have stem from the need of the typical > foreign/proprietary BSP [2], hence their name. But actually they are > just offline repositories. > > PART 2: > > The network issues are a separate problem, i have investigated > further, and i'm now sure that the root problem for NZ and AU > customers is that: > 1 - They are directed to japanese mirrors > 2 - Download from there is initially very very very slow (600ms TCP > round-trip), but can ramp-up to 1.5MiB/s after ca. 30 s > 3 - It is not possible to change or *choose* the mirror. > 3.1 - the mirror list depends on your license, so you need to login first > 4 - The installer starts with 2 online repo, after logging in you end > up with hundreds of repos. (I think i have 200+ repos) > 5 - If you have a dual license (Desktop + Embedded), you have twice > the number of online repositories > 6 - Your dual license is actually triple: you implicitly have access > to "OpenSource", tripling your number of online repositories. > 7 - The Qt installer has the bad habit of re-dowloading the whole > "meta-data" thing again and again. > 8 - "Qt Open Source" mirrors don't mirror "Qt for Device Creation". > > As a side note, in this situation (200+ repos), the "Repositories" > setting tab becomes unusable: > - a Filter line edit would be cool, with regexp support! ;) > - maybe filters per "license grant" (see below), I can see a pattern > on my install, all repo names starts with either: > "Enterprise Linux-x86 Desktop ..." (Qt Enterprise Desktop) > "Enterprise Linux-x86 Embedded ..." (Qt for Device Creation) > "Qt Linux-x64 ..." (Qt Open Source) > - dependencies b/w repo doesn't seem to be managed correctly, you can > easily wreak havoc your install, ending with weird fatal dialog saying > "foo.bar.baz depends on ...., bailing out" > > Anyway, as suggested by Kai Koehne, i will open a customer support > request and kindly ask for an "Oceania" mirror. > [That would be really cool if i could setup my own local mirror] > > PART 3: > > As mentioned by someone else (here or on jira), maybe it's all about > hash management: > hash your stash, per "license grant", donwload their hash per "license > grant", > if hash matches, your stash is good. > if not, repeat with all stash entry, hash based again. > > The Qt Online installer is based on recursive 7z archives, so maybe > the root download should be the hash of the gold root archive object, > Then only if needed, the hash-identified 7z archives that contain the > hash of their's children. This is exactly how git storage works [3] > > Chris > > [1] https://github.com/tmpsantos/meta-boot2qt/tree/tmpsantos- > boot2qt_demo/files/qbsp > [2] https://en.wikipedia.org/wiki/Board_support_package > [3] https://gitlab.com/chgans/aucklug-git-september-2017/ > raw/master/AuckLUG-git-september-2017.pdf > _______________________________________________ > Interest mailing list > Interest@qt-project.org > http://lists.qt-project.org/mailman/listinfo/interest >
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