compile using oniguruma

Signed-off-by: Miguel Molina <[email protected]>

Author: erizocosmico

.travis.yml

@@ -19,6 +19,7 @@ before_install:
   - docker pull pilosa/pilosa:v0.9.0
   - docker run -d --name pilosa -p 127.0.0.1:10101:10101 pilosa/pilosa:v0.9.0
   - docker ps -a
+  - sudo apt-get install -y libonig2 libonig-dev
   - sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-6 90
   - sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-6 90
 
@@ -66,6 +67,8 @@ jobs:
         - echo "skipping before_script for macOS"
 
       script:
+        - brew update
+        - brew install oniguruma
         - make packages || echo "" # will fail because of docker being missing
         - if [ ! -f "build/gitbase_darwin_amd64/gitbase" ]; then echo "gitbase binary not generated" && exit 1; fi
         - cd build

Makefile

@@ -1,6 +1,7 @@
 # Package configuration
 PROJECT = gitbase
 COMMANDS = cmd/gitbase
+GO_TAGS = oniguruma
 
 # Including ci Makefile
 CI_REPOSITORY ?= https://github.com/src-d/ci.git

docs/using-gitbase/getting-started.md

@@ -48,6 +48,28 @@ On Linux and macOS:
 go get -u github.com/src-d/gitbase/...
 ```
 
+#### Oniguruma support
+
+On linux and macOS you can choose to build gitbase with oniguruma support, resulting in faster results for queries using the `language` UDF.
+
+macOS:
+
+```
+brew install oniguruma
+```
+
+Linux:
+
+```
+sudo apt-get install libonig2
+```
+
+Then build gitbase like this:
+
+```
+go build -tags oniguruma -o gitbase ./cmd/gitbase/main.go
+```
+
 On Windows:
 
 Because gitbase uses [bblfsh's client-go](https://github.com/bblfsh/client-go), which uses cgo, you need to install some dependencies by hand instead of just using `go get`. Use this instead: