shell scripts for versioning

update-version.sh | FreeBSD | OSX

#!/usr/bin/env bash
#set -x  # for debugging

function print_help(){
  read -r -d '' HELP_MSG << EOM
#
# See semver.org for details

# Commands look like
#
# update-version.sh \$1 = (major | minor | patch | snapshot | final) \$2 = (path/to/version.txt | defaults to ./version.txt)
#
#   major: updates X.0.0
#   minor: update 0.X.0
#   patch: updates 0.0.X
#   snapshot: adds -SNAPSHOT: 0.0.0-SNAPSHOT
#   final: removes -SNAPSHOT: 0.0.0
EOM

  echo "$HELP_MSG"  # remember the quotes around the variable otherwise you won't see the newline characters
  exit 0
}


VERSION_FILE=${2:-version.txt}


function version_to_var(){
  FILE=$(cat $VERSION_FILE)
  echo $FILE
}


function major(){
  echo "Changing Major"
  MAJOR=$(/usr/bin/grep -o "^[[:digit:]]\+" $VERSION_FILE)
  NEW_MAJOR=$((MAJOR + 1))
  /usr/bin/sed -i '' s/^$MAJOR/$NEW_MAJOR/ $VERSION_FILE
  reset minor
  reset patch
}


function get_minor(){
  /usr/bin/grep -o "\.[[:digit:]]\+\." $VERSION_FILE | /usr/bin/grep -o "[[:digit:]]\+"
}


function set_minor(){
  /usr/bin/sed -i '' s/\.$1\./.$2./ $VERSION_FILE
}


function minor(){
  echo "Changing Minor"
  MINOR=$(get_minor)
  NEW_MINOR=$((MINOR + 1))
  set_minor $MINOR $NEW_MINOR
  reset patch
}


function get_patch(){
  /usr/bin/grep -o "[[:digit:]]\+\(\-SNAPSHOT\)\?\$" $VERSION_FILE
}


function set_patch(){
  /usr/bin/sed -i '' s/\.$1$/.$2/ $VERSION_FILE
}


function patch(){
  echo "Changing Patch"
  PATCH=$(get_patch)

  if [ $(/usr/bin/grep "\-SNAPSHOT\$" $VERSION_FILE) ]; then
    PATCH_NUM=$(echo $PATCH | /usr/bin/grep -o "^[[:digit:]]\+" )
    NEW_PATCH=$((PATCH_NUM + 1))-SNAPSHOT
  else
    NEW_PATCH=$((PATCH + 1))
  fi

  set_patch $PATCH $NEW_PATCH
}


function snapshot(){
  if [ $(/usr/bin/grep "\-SNAPSHOT\$" $VERSION_FILE) ]; then
    echo "Already a Snapshot"
  else
    echo "Changing into Snapshot"
    echo -n "$(version_to_var)-SNAPSHOT" > $VERSION_FILE
  fi
}


function final(){
  echo "Changing into Final"
  /usr/bin/sed -i '' s/\-SNAPSHOT$// $VERSION_FILE
}


function reset(){
  case $1 in
    minor)
      # set minor to 0
      set_minor $(get_minor) 0
      echo "Reset Minor"
    ;;
    patch)
      # set patch to 0
      if [ $(/usr/bin/grep "\-SNAPSHOT\$" $VERSION_FILE) ]; then
        IF_SNAPSHOT=-SNAPSHOT
      fi
      set_patch $(get_patch) 0$IF_SNAPSHOT
      echo "Reset Patch"
    ;;
  esac
}


function main(){

  if [ ! -f "$VERSION_FILE" ]; then
    echo "Version file not found"
    exit 1
  fi

  case $1 in
    major)
      major
    # shift
    ;;
    minor)
      minor
    ;;
    patch|"")
      # defaulting change mechanism to patch
      patch
    ;;
    snapshot|SNAPSHOT)
      snapshot
    ;;
    final)
      final
    ;;
    *)
      # unknown option
      print_help
    ;;
  esac
}


main $@
echo "Version set to $(cat $VERSION_FILE)"

update-version.sh | GNU | Linux

#!/usr/bin/env bash
# set -x  # for debugging

function print_help(){
  read -r -d '' HELP_MSG << EOM
#
# See semver.org for details

# Commands look like
#
# update-version.sh \$1 = (major | minor | patch | snapshot | final) \$2 = (path/to/version.txt | defaults to ./version.txt)
#
#   major: updates X.0.0
#   minor: update 0.X.0
#   patch: updates 0.0.X
#   snapshot: adds -SNAPSHOT: 0.0.0-SNAPSHOT
#   final: removes -SNAPSHOT: 0.0.0
EOM

  echo "$HELP_MSG"  # remember the quotes around the variable otherwise you won't see the newline characters
  exit 0
}


VERSION_FILE=${2:-./version.txt}


function version_to_var(){
  FILE=$(cat $VERSION_FILE)
  echo $FILE
}


function major(){
  echo "Changing Major"
  MAJOR=$(version_to_var | grep -oP "^\d+")
  NEW_MAJOR=$((MAJOR + 1))
  sed -i -r s/^[[:digit:]]+/$NEW_MAJOR/ $VERSION_FILE
  reset minor
  reset patch
}


function get_minor(){
  version_to_var | grep -oP "\.\d+\." | grep -oP "\d+"
}


function set_minor(){
  sed -i -r s/\.$1\./.$2./ $VERSION_FILE
}


function minor(){
  echo "Changing Minor"
  MINOR=$(get_minor)
  NEW_MINOR=$((MINOR + 1))
  set_minor $MINOR $NEW_MINOR
  reset patch
}


function get_patch(){
  version_to_var | grep -oP "\d+(-SNAPSHOT)?$"
}


function set_patch(){
  sed -i -r s/\.$1$/.$2/ $VERSION_FILE
}


function patch(){
  echo "Changing Patch"
  PATCH=$(get_patch)

  if [ $(grep -P '\-SNAPSHOT$' $VERSION_FILE) ]; then
    PATCH_NUM=$(echo $PATCH | grep -oP "^\d+" )
    NEW_PATCH=$((PATCH_NUM + 1))-SNAPSHOT
  else
    NEW_PATCH=$((PATCH + 1))
  fi

  set_patch $PATCH $NEW_PATCH
}


function snapshot(){
  echo "Changing into Snapshot"
  echo -n "$(version_to_var)-SNAPSHOT" > $VERSION_FILE
}


function final(){
  echo "Changing into Final"
  sed -i 's/-SNAPSHOT$//' $VERSION_FILE
}


function reset(){
  case $1 in
    minor)
      # set minor to 0
      set_minor $(get_minor) 0
      echo "Reset Minor"
    ;;
    patch)
      # set patch to 0
      if [ $(grep -P '\-SNAPSHOT$' $VERSION_FILE) ]; then
        IF_SNAPSHOT=-SNAPSHOT
      fi
      set_patch $(get_patch) 0$IF_SNAPSHOT
      echo "Reset Patch"
    ;;
  esac
}


function main(){

  if [ ! -f "$VERSION_FILE" ]; then
    echo "Version file not found"
    exit 1
  fi

  case $1 in
    major)
      major
    # shift
    ;;
    minor)
      minor
    ;;
    patch|"")
      # defaulting change mechanism to patch
      patch
    ;;
    snapshot|SNAPSHOT)
      snapshot
    ;;
    final)
      final
    ;;
    *)
      # unknown option
      print_help
    ;;
  esac
}


main $@
echo "Version set to $(cat $VERSION_FILE)"