Re: [PATCH] travis-ci: install packages in 'ci/install-dependencies.sh'
SZEDER Gábor <szeder.dev@gmail.com> writes:
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> Ever since we started using Travis CI, we specified the list of
> packages to install in '.travis.yml' via the APT addon. While running
> our builds on Travis CI's container-based infrastructure we didn't
> have another choice, because that environment didn't support 'sudo',
> and thus we didn't have permission to install packages ourselves. With
> the switch to the VM-based infrastructure in the previous patch we do
> get a working 'sudo', so we can install packages by running 'sudo
> apt-get -y install ...' as well.
OK, so far we learned that this is now _doable_; but not enough to decide if this is a good thing to do or not. Let's read on to find out.
> Let's make use of this and install necessary packages in
> 'ci/install-dependencies.sh', so all the dependencies (i.e. both
> packages and "non-packages" (P4 and Git-LFS)) are handled in the same
> file.
So we used to have two waysto prepare the test environment; non packaged software were done via install-dependencies.sh, but packaged ones weren't. Unifying them so that the script installs both would be a good change to simplify the procedure.
Is that how this sentence argues for this change?
> Install gcc-8 only in the 'linux-gcc' build job; so far it has
> been unnecessarily installed in the 'linux-clang' build job as well.
Is this "unneeded gcc-8 was installed" something we can fix only because we now stopped doing the installation via apt addon? Or we could have fixed it while we were on apt addon but we didn't bother, and this patch fixes it "while at it"---primarily because the shell script is far more flexible to work with than travis.yml matrix and this kind of customization is far easier to do?
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> Print the versions of P4 and Git-LFS conditionally, i.e. only when
> they have been installed; with this change even the static analysis
> and documentation build jobs start using 'ci/install-dependencies.sh'
> to install packages, and neither of these two build jobs depend on and
> thus install those.
>
> This change will presumably be beneficial for the upcoming Azure
> Pipelines integration [1]: preliminary versions of that patch series
> run a couple of 'apt-get' commands to install the necessary packages
> before running 'ci/install-dependencies.sh', but with this patch it
> will be sufficient to run only 'ci/install-dependencies.sh'.
So the main point of this change is to have less knowledge to prepare the target configuration in the .travis.yml file and keep them all in ci/install-dependencies.sh, which hopefully is more reusable than .travis.yml in a non Travis environment?
If that is the case, it makes sense to me.
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> This patch should go on top of 'ss/travis-ci-force-vm-mode'.
>
> I'm not sure about the last paragraph, because:
>
> - It talks about presumed benefits for a currently still
> work-in-progress patch series of an other contributor, and I'm not
> really sure that that's a good thing. Perhaps I should have
> rather put it below the '---'.
>
> - I'm confused about the name of this Azure thing. The cover letter
> mentions "Azure Pipelines", the file is called
> 'azure-pipelines.yml', but the relevant patch I link to talks
> about "Azure DevOps" in the commit message.
>
> Anyway, keep that last paragraph or drop it as you see fit.
I hope we'll hear from Dscho in one or two revolutions of the Earth ;-)
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> diff --git a/ci/install-dependencies.sh b/ci/install-dependencies.sh
> index 75a9fd2475..06c3546e1e 100755
> --- a/ci/install-dependencies.sh
> +++ b/ci/install-dependencies.sh
> @@ -10,6 +10,15 @@ LFSWHENCE=https://github.com/github/git-lfs/releases/download/v$LINUX_GIT_LFS_VE
>
> case "$jobname" in
> linux-clang|linux-gcc)
> + sudo apt-add-repository -y "ppa:ubuntu-toolchain-r/test"
> + sudo apt-get -q update
> + sudo apt-get -q -y install language-pack-is git-svn apache2
> + case "$jobname" in
> + linux-gcc)
> + sudo apt-get -q -y install gcc-8
> + ;;
> + esac
> +
> mkdir --parents "$P4_PATH"
> pushd "$P4_PATH"
> wget --quiet "$P4WHENCE/bin.linux26x86_64/p4d"
> @@ -32,11 +41,25 @@ osx-clang|osx-gcc)
> brew link --force gettext
> brew install caskroom/cask/perforce
> ;;
> +StaticAnalysis)
> + sudo apt-get -q update
> + sudo apt-get -q -y install coccinelle
> + ;;
> +Documentation)
> + sudo apt-get -q update
> + sudo apt-get -q -y install asciidoc xmlto
> + ;;
> esac
>
> -echo "$(tput setaf 6)Perforce Server Version$(tput sgr0)"
> -p4d -V | grep Rev.
> -echo "$(tput setaf 6)Perforce Client Version$(tput sgr0)"
> -p4 -V | grep Rev.
> -echo "$(tput setaf 6)Git-LFS Version$(tput sgr0)"
> -git-lfs version
> +if type p4d >/dev/null && type p4 >/dev/null
> +then
> + echo "$(tput setaf 6)Perforce Server Version$(tput sgr0)"
> + p4d -V | grep Rev.
> + echo "$(tput setaf 6)Perforce Client Version$(tput sgr0)"
> + p4 -V | grep Rev.
> +fi
> +if type git-lfs >/dev/null
> +then
> + echo "$(tput setaf 6)Git-LFS Version$(tput sgr0)"
> + git-lfs version
> +fi
Sebastian Staudt
