github.com/ashishbhate/mattermost-server@v5.11.1+incompatible/scripts/prereq-check.sh (about)

     1  #!/bin/bash
     2  check_version()
     3  {
     4      local version=$1 check=$2
     5      local winner=$(echo -e "$version\n$check" | sed '/^$/d' | sort -t. -s -k 1,1nr -k 2,2nr -k 3,3nr -k 4,4nr | head -1)
     6      [[ "$winner" = "$version" ]] && return 0
     7      return 1
     8  }
     9  
    10  check_prereq()
    11  {
    12      if [ ! $# == 3 ]; then
    13          echo "Unable to determine '$1' version! Ensure that '$1' is in your path and try again." && exit 1
    14      fi
    15  
    16      local dependency=$1 required_version=$2 installed_version=$3
    17  
    18      type $dependency >/dev/null 2>&1 || { echo >&2 "Mattermost requires '$dependency' but it doesn't appear to be installed.  Aborting."; exit 1; }
    19  
    20      if check_version $installed_version $required_version; then
    21          echo "$dependency minimum requirement met. Required: $required_version, Found: $installed_version"
    22      else 
    23          echo "WARNING! Mattermost did not find the minimum supported version of '$dependency' installed. Required: $required_version, Found: $installed_version"
    24          echo "We highly recommend stopping installation and updating dependencies before continuing"
    25          read -p "Enter Y to continue anyway (not recommended)." -n 1 -r
    26          echo
    27          if [[ ! $REPLY =~ ^[Yy]$ ]]
    28          then
    29              exit 1
    30          fi
    31      fi
    32  }
    33  
    34  echo "Checking prerequisites"
    35  
    36  REQUIREDNODEVERSION=8.9.0
    37  REQUIREDNPMVERSION=5.6.0
    38  REQUIREDGOVERSION=1.12.0
    39  REQUIREDDOCKERVERSION=17.0
    40  
    41  NODEVERSION=$(sed 's/v//' <<< $(node -v))
    42  NPMVERSION=$(npm -v)
    43  GOVERSION=$(sed -ne 's/[^0-9]*\(\([0-9]\.\)\{0,4\}[0-9][^.]\).*/\1/p' <<< $(go version))
    44  DOCKERVERSION=$(docker version --format '{{.Server.Version}}' | sed 's/[a-z-]//g')
    45  
    46  check_prereq 'node' $REQUIREDNODEVERSION $NODEVERSION
    47  check_prereq 'npm' $REQUIREDNPMVERSION $NPMVERSION
    48  check_prereq 'go' $REQUIREDGOVERSION $GOVERSION
    49  check_prereq 'docker' $REQUIREDDOCKERVERSION $DOCKERVERSION