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Re: discover and install specific package version


On Sat, Nov 17, 2018 at 05:36:25AM -0500, Felix Miata wrote:
> >>>> 2-http://ftp.debian.org/debian/pool/main/f/firefox-esr/ apparently has what I want for Stretch,
> >>>> esr52.9 by whatever name (Firefox-ESR or IceWeasel). How can I get the cmdline package management
> >>>> system (apt-???) to tell me which I can choose from other than installed and latest? Searches tried
> >>>> (e.g. apt-show-versions; apt list -a; apt-cache madison) only show 45.x (installed) and 60.3
> >>>> (available).
> >>> apt install firefox-esr=52.9.0esr-1~deb9u1
> >>> But, if you want this to work, the appropriate version of firefox-esr
> >>> must be found in some repository that's listed in /etc/apt/sources.list.
> >>> And it seems that they deleted that particular version from everywhere
> >>> including [1].
> >>> [1] https://snapshot.debian.org
> >> https://snapshot.debian.org/archive/debian/20180630T203831Z/pool/main/f/firefox-esr/firefox-esr_52.9.0esr-1_amd64.deb
> >> exists
> >> No errors produced by apt update with the following in sources.list:
> >> deb https://snapshot.debian.org/archive/debian/20180630T203831Z/ stretch main
> > That snapshot of a main archive has firefox-esr version 52.6.0esr-1~deb9u1.
> > Have you tried another date?
> I knew 52.9 was released upstream in June, so I kept trying June archive dates
> and stopped when I found one containing 52.9. Upstream release bz2 that I
> previously wgeted turned out to be dated 25 June.

The problem is - version 52.6.0 haven't made it into the "main" that date.
They uploaded it into the "updates/main". Yes, these are different.
Hence the suggestion to use a later date.

I believe I have a way to simplify things here:

cd /var/cache/apt/archives/

wget https://snapshot.debian.org/archive/debian/20180630T203831Z/pool/main/f/firefox-esr/firefox-esr_52.9.0esr-1_amd64.deb

apt install ./firefox-esr_52.9.0esr-1_amd64.deb

Note that this syntax of "apt install" does more than "dpkg -i stuff",
dependency resolution in particular.