build: remove unused poetry files and fix shellcheck warnings

Remove the `extra/poetry` directory to eliminate high-severity vulnerabilities
flagged in unused protobuf dependencies. Also remove the reference to it from
`tools/set_version.sh` and fix existing shellcheck warnings in the script.

extra/poetry/poetry_build.sh

@@ -1,9 +0,0 @@
-#!/bin/bash
-
-rm -rf nanopb
-mkdir nanopb
-cp -pr ../../generator nanopb/
-touch nanopb/__init__.py nanopb/generator/__init__.py
-cp -pr ../../README.md .
-sed -i -e 's/\(version =.*\)-dev.*/\1-dev'$(git rev-list HEAD --count)'"/' pyproject.toml
-poetry build

extra/poetry/pyproject.toml

@@ -1,26 +0,0 @@
-[tool.poetry]
-name = "nanopb"
-version = "0.3.9.10"
-description = "Nanopb is a small code-size Protocol Buffers implementation in ansi C. It is especially suitable for use in microcontrollers, but fits any memory restricted system."
-authors = ["Petteri Aimonen <jpa@npb.mail.kapsi.fi>"]
-license = "Zlib"
-repository = "https://github.com/nanopb/nanopb/"
-readme = "README.md"
-homepage = "https://jpa.kapsi.fi/nanopb/"
-documentation = "https://jpa.kapsi.fi/nanopb/docs/index.html"
-keywords = ["protobuf", "protoc"]
-classifiers = ["Topic :: Software Development :: Build Tools"]
-
-[tool.poetry.scripts]
-nanopb_generator = "nanopb.generator.nanopb_generator:main_cli"
-protoc-gen-nanopb = "nanopb.generator.nanopb_generator:main_plugin"
-
-[tool.poetry.dependencies]
-python = ">=2.7"
-protobuf = ">=3.6"
-
-[tool.poetry.dev-dependencies]
-
-[build-system]
-requires = ["poetry>=0.12"]
-build-backend = "poetry.masonry.api"

tools/set_version.sh

@@ -4,13 +4,11 @@
 # e.g. user@localhost:~/nanopb$ tools/set_version.sh nanopb-0.1.9-dev
 # It sets the version number in pb.h and generator/nanopb_generator.py.
 
-sed -i -e 's/nanopb_version\s*=\s*"[^"]*"/nanopb_version = "'$1'"/' generator/nanopb_generator.py
-sed -i -e 's/#define\s*NANOPB_VERSION\s*.*/#define NANOPB_VERSION '$1'/' pb.h
-sed -i -e 's/set(\s*nanopb_VERSION_STRING\s*[^)]*)/set(nanopb_VERSION_STRING '$1')/' CMakeLists.txt
+sed -i -e 's/nanopb_version\s*=\s*"[^"]*"/nanopb_version = "'"$1"'"/' generator/nanopb_generator.py
+sed -i -e 's/#define\s*NANOPB_VERSION\s*.*/#define NANOPB_VERSION '"$1"'/' pb.h
+sed -i -e 's/set(\s*nanopb_VERSION_STRING\s*[^)]*)/set(nanopb_VERSION_STRING '"$1"')/' CMakeLists.txt
 
-VERSION_ONLY=$(echo $1 | sed 's/nanopb-//')
+VERSION_ONLY="${1#nanopb-}"
 if [[ $1 != *dev ]]
-then sed -i -e 's/"version":\s*"[^"]*"/"version": "'$VERSION_ONLY'"/' library.json
+then sed -i -e 's/"version":\s*"[^"]*"/"version": "'"$VERSION_ONLY"'"/' library.json
 fi
-
-sed -i -e 's/version =.*/version = "'$VERSION_ONLY'"/' extra/poetry/pyproject.toml