Support running the release script without adding it to $PATH (#22)

* Support running the release script without adding it to $PATH

* cargo-version path is not specific to any one environment

Author: nightkr

release/README.md

@@ -10,10 +10,6 @@ Install required packages:
 
     pip install -r release/requirements.txt
 
-### Update PATH
-
-Add the `release` folder to your `PATH`.
-
 ### Optional: GitHub CLI
 
 Optionally, if you want to have a GitHub Pull-Request automatically created, you need the GitHib command line tools installed and properly configured. See https://cli.github.com/.

release/release.sh

@@ -11,6 +11,8 @@ REPOSITORY="origin"
 NOW_UTC=$(date -u '+%Y%m%d%H%M%S')
 RELEASE_BRANCH="release-$NOW_UTC"
 
+CARGO_VERSION=$(dirname -- "${BASH_SOURCE[0]}")/cargo-version.py
+
 ensure_release_branch() {
   local STATUS=$(git status -s | grep -v '??')
 
@@ -49,9 +51,9 @@ main() {
   #
   # Release
   #
-  cargo-version.py --release
+  $CARGO_VERSION --release
   cargo update --workspace
-  local RELEASE_VERSION=$(cargo-version.py --show)
+  local RELEASE_VERSION=$($CARGO_VERSION --show)
 
   update_changelog $RELEASE_VERSION
 
@@ -61,9 +63,9 @@ main() {
   #
   # Development
   #
-  cargo-version.py --next ${NEXT_LEVEL}
+  $CARGO_VERSION --next ${NEXT_LEVEL}
   cargo update --workspace
-  local NEXT_TAG=$(cargo-version.py --show)
+  local NEXT_TAG=$($CARGO_VERSION --show)
 
   git commit -am "bump version $NEXT_TAG"