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Merge branch 'jc-docs-for-git-pcre2' into 'master'

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Add docs to describe how to compile git with libpcre2

See merge request gitlab-org/gitlab-ce!28199
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Achilleas Pipinellis 2019-05-17 23:38:44 +00:00
commit 225e5fdfac
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doc/install/installation.md
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@ -99,7 +99,20 @@ sudo apt-get install -y git-core
git --version
```
Is the system packaged Git too old? Remove it and compile from source.
Starting with GitLab 12.0, Git is required to be compiled with `libpcre2`.
Find out if that's the case:
```sh
ldd /usr/local/bin/git | grep pcre2
```
The output should be similar to:
```
libpcre2-8.so.0 => /usr/lib/libpcre2-8.so.0 (0x00007f08461c3000)
```
Is the system packaged Git too old, or not compiled with pcre2? Remove it and compile from source:
```sh
# Remove packaged Git
@ -108,12 +121,21 @@ sudo apt-get remove git-core
# Install dependencies
sudo apt-get install -y libcurl4-openssl-dev libexpat1-dev gettext libz-dev libssl-dev build-essential
# Download and compile pcre2 from source
curl --silent --show-error --location https://ftp.pcre.org/pub/pcre/pcre2-10.33.tar.gz --output pcre2.tar.gz
tar -xzf pcre2.tar.gz
cd pcre2-10.33
chmod +x configure
./configure --prefix=/usr --enable-jit
make
make install
# Download and compile from source
cd /tmp
curl --remote-name --location --progress https://www.kernel.org/pub/software/scm/git/git-2.21.0.tar.gz
echo '85eca51c7404da75e353eba587f87fea9481ba41e162206a6f70ad8118147bee git-2.21.0.tar.gz' | shasum -a256 -c - && tar -xzf git-2.21.0.tar.gz
cd git-2.21.0/
./configure
./configure --with-libpcre
make prefix=/usr/local all
# Install into /usr/local/bin