ci: add jenkinsfile

Define a CI build that will test the build process with system nim
compiler on the master branch.

Referenced issue: https://github.com/codex-storage/nim-codex/issues/940

Signed-off-by: markoburcul <marko@status.im>

.gitignore

@@ -5,6 +5,7 @@
 
 !LICENSE*
 !Makefile
+!Jenkinsfile
 
 nimcache/
 

Jenkinsfile

@@ -0,0 +1,50 @@
+#!/usr/bin/env groovy
+library 'status-jenkins-lib@v1.9.13'
+
+pipeline {
+  agent { label 'linux' }
+
+  options {
+    disableConcurrentBuilds()
+    /* manage how many builds we keep */
+    buildDiscarder(logRotator(
+      numToKeepStr: '20',
+      daysToKeepStr: '30',
+    ))
+  }
+
+  parameters {
+    choice(
+      name: 'VERBOSE',
+      description: 'Level of verbosity based on nimbus-build-system setup.',
+      choices: ['0', '1', '2']
+    )
+    choice(
+      name: 'USE_SYSTEM_NIM',
+      description: 'Decides whether to use system Nim compiler provided with Nix or not.',
+      choices: ['0', '1']
+    )
+  }
+
+  environment {
+    /* Improve make performance */
+    NUMPROC = "${sh(script: 'nproc', returnStdout: true).trim()}"
+    MAKEFLAGS = "-j${env.NUMPROC} V=${params.VERBOSE}"
+    /* Use system Nim compiler */
+    USE_SYSTEM_NIM = "${params.USE_SYSTEM_NIM}"
+  }
+
+  stages {
+    stage('Build') {
+      steps {
+        script {
+          nix.develop('make', keepEnv: [ 'MAKEFLAGS', 'USE_SYSTEM_NIM' ])
+        }
+      }
+    }
+  }
+
+  post {
+    cleanup { cleanWs() }
+  }
+}

flake.nix

@@ -24,6 +24,7 @@
               git pkg-config openssl lsb-release
               # Build
               rustc cargo nimble gcc11 cmake nim-unwrapped-1
+              which
               # Libraries
               gmp llvmPackages.openmp
               # Tests