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152 lines
6.8 KiB
HTML
152 lines
6.8 KiB
HTML
---
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category: en
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type: paper
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layout: paper
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tags: archlinux, configuration, linux
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title: Creating own repository
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short: creating-custom-repo
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description: It is a short paper devoted to creation own ArchLinux repository.
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---
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<h2><a name="prepare" class="anchor" href="#prepare"><span class="octicon octicon-link"></span></a>Prepare</h2>
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<p align="justify">First find a server and desire to have sex with it. It is recommended to use Archlinux on it, but it is not necessarily - because you may create special root for Archlinux. Also you need two packages, <code>devtools</code> and <code>pacman</code>:</p>
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{% highlight bash %}
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pacman -Sy devtools
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{% endhighlight %}
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<p align="justify"><a href="https://www.archlinux.org/packages/devtools/">devtools</a> is script set for building automation in the clean chroot. I think most of Arch maintainers use it.</p>
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<p align="justify">Let's create working directories:</p>
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{% highlight bash %}
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mkdir -p ~/arch/repo/{i686,x86_64}
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mkdir -p ~/arch/{prepare,root,staging}
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{% endhighlight %}
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<p align="justify"><code>~/arch/repo/{i686,x86_64}</code> are directories for repository, <code>~/arch/prepare</code> is directory where compiled packages will be stored, <code>~/arch/root</code> is one where clean chroot will be created, <code>~/arch/staging</code> is one where packages will be built.</p>
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<h2><a name="theory" class="anchor" href="#theory"><span class="octicon octicon-link"></span></a>A bit of theory</h2>
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<p align="justify">Create directory, share it (using <a href="/2014/03/06/site-changes/">ftp</a>, for example). It has two subdirectories - <code>i686</code> and <code>x86_64</code> - for each architecture respectively. And fill them with a set of packages.</p>
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<p align="justify">Updating repository may be split into the following steps:</p>
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<ol>
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<li>Creating PKGBUILDs (or updating them from AUR).</li>
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<li>Packages building for each architecture in clean chroot.</li>
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<li>Packages signing.</li>
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<li>Creating the list of packages.</li>
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<li>Repository update:
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<ol><li>Removal old packages from database and repository.</li>
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<li>Copying new packages</li>
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<li>Repository update.</li></ol>
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</li>
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<li>Cleaning.</li>
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</ol>
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<h3><a name="pkgbuild" class="anchor" href="#pkgbuild"><span class="octicon octicon-link"></span></a>Creating PKGBUILDs</h3>
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<p align="justify">Download source tarballs from AUR:</p>
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{% highlight bash %}
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cd ~/arch/staging
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yaourt -G package-name
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{% endhighlight %}
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<h3><a name="building" class="anchor" href="#building"><span class="octicon octicon-link"></span></a>Packages building</h3>
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<p align="justify">Build each package automatically:</p>
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{% highlight bash %}
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func_build() {
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PREPARE="$1"
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ROOT="$2"
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if grep "arch=('any')" PKGBUILD -q; then
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/usr/bin/sudo /usr/bin/staging-i686-build -r "${ROOT}"
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else
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if grep "lib32" PKGBUILD -q; then
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/usr/bin/sudo /usr/bin/staging-i686-build -r "${ROOT}"
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/usr/bin/sudo /usr/bin/multilib-staging-build -r "${ROOT}"
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else
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/usr/bin/sudo /usr/bin/staging-i686-build -r "${ROOT}"
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/usr/bin/sudo /usr/bin/staging-x86_64-build -r "${ROOT}"
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fi
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fi
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/usr/bin/cp *.pkg.tar.xz "${PREPARE}"
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}
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export -f func_build
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# building
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cd "${STAGINGDIR}"
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/usr/bin/find -name 'PKGBUILD' -type f -execdir /usr/bin/bash -c "func_build "${PREPAREDIR}" "${ROOTDIR}"" \;
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{% endhighlight %}
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<p align="justify">It is recommended to add the following lines to <code>/etc/sudoers</code>:</p>
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{% highlight bash %}
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username ALL=NOPASSWD: /usr/bin/staging-i686-build
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username ALL=NOPASSWD: /usr/bin/staging-x86_64-build
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username ALL=NOPASSWD: /usr/bin/multilib-staging-build
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{% endhighlight %}
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<h3><a name="signing" class="anchor" href="#signing"><span class="octicon octicon-link"></span></a>Packages signing</h3>
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{% highlight bash %}
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# signing
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cd "${PREPAREDIR}"
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for PACKAGE in $(/usr/bin/ls *.pkg.tar.xz); do
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/usr/bin/gpg -b ${PACKAGE}
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done
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{% endhighlight %}
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<p align="justify">It is recommended to configure <a href="https://wiki.archlinux.org/index.php/GPG#gpg-agent">gpg-agent</a>.</p>
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<h3><a name="list" class="anchor" href="#list"><span class="octicon octicon-link"></span></a>Creating the list of packages</h3>
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{% highlight bash %}
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# creating packages list
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i686_PACKAGES=$(/usr/bin/ls *.pkg.tar.xz | /usr/bin/grep "i686\|any")
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x86_64_PACKAGES=$(/usr/bin/ls *.pkg.tar.xz | /usr/bin/grep "x86_64\|any")
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echo "i686 packages: ${i686_PACKAGES}"
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echo "x86_64 packages: ${x86_64_PACKAGES}"
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{% endhighlight %}
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<h3><a name="updating" class="anchor" href="#updating"><span class="octicon octicon-link"></span></a>Repository update</h3>
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<p align="justify">Here is a function for removal packages from database and repository:</p>
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{% highlight bash %}
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func_remove() {
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DBPATH="$1"
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PKGNAME="$2"
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/usr/bin/repo-remove ${DBNAME}.db.tar.gz ${PKGNAME}
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/usr/bin/repo-remove ${DBNAME}.files.tar.gz ${PKGNAME}
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/usr/bin/rm -f ${PKGNAME}*
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}
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export -f func_remove
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{% endhighlight %}
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<p align="justify"><code>i686</code> repository update:</p>
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{% highlight bash %}
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# updating i686 repo
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cd "${REPODIR}/i686"
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for PACKAGE in ${i686_PACKAGES}; do
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PKGNAME=$(echo ${PACKAGE} | /usr/bin/awk -F '-' '{for(i=1; i<=NF-3;i++) {printf("%s-", $i);}}' | /usr/bin/sed 's/.$//')
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/usr/bin/find -name '${PKGNAME}*' -type f -exec /usr/bin/bash -c "func_remove "${DBNAME}" "${PKGNAME}"" \;
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/usr/bin/cp "${PREPAREDIR}/${PACKAGE}"{,.sig} .
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done
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/usr/bin/repo-add --new ${DBNAME}.db.tar.gz *.pkg.tar.xz
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/usr/bin/repo-add --new --files ${DBNAME}.files.tar.gz *.pkg.tar.xz
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{% endhighlight %}
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<p align="justify"><code>x86_64</code> repository update:</p>
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{% highlight bash %}
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# updating x86_64 repo
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cd "${REPODIR}/x86_64"
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for PACKAGE in ${x86_64_PACKAGES}; do
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PKGNAME=$(echo ${PACKAGE} | /usr/bin/awk -F '-' '{for(i=1; i<=NF-3;i++) {printf("%s-", $i);}}' | /usr/bin/sed 's/.$//')
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/usr/bin/find -name '${PKGNAME}*' -type f -exec /usr/bin/bash -c "func_remove "${DBNAME}" "${PKGNAME}"" \;
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/usr/bin/cp "${PREPAREDIR}/${PACKAGE}"{,.sig} .
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done
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/usr/bin/repo-add --new ${DBNAME}.db.tar.gz *.pkg.tar.xz
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/usr/bin/repo-add --new --files ${DBNAME}.files.tar.gz *.pkg.tar.xz
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{% endhighlight %}
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<h3><a name="clear" class="anchor" href="#clear"><span class="octicon octicon-link"></span></a>Cleaning</h3>
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{% highlight bash %}
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# clear
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cd "${PREPAREDIR}"
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/usr/bin/rm -rf *
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cd "${STAGINGDIR}"
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/usr/bin/rm -rf *
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{% endhighlight %}
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<h3><a name="file" class="anchor" href="#file"><span class="octicon octicon-link"></span></a>File</h3>
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<p align="justify">Here is <a href="https://raw.github.com/arcan1s/dotfiles/master/repo-update">the script</a>. Download source tarballs and run script (editing variables if it is necessary).</p>
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<h2><a name="using" class="anchor" href="#using"><span class="octicon octicon-link"></span></a>Repository usage</h2>
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<p align="justify">Just add following lines to <code>/etc/pacman.conf</code>:</p>
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{% highlight bash %}
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[$REPONAME]
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Server = ftp://$REPOADDRESS/repo/$arch
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{% endhighlight %}
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