use Cargo.toml as source of truth

.github/scripts/toml_reader.sh

@@ -0,0 +1,55 @@
+#!/bin/bash
+
+# TOML Reader - A script to read values from simple TOML files
+# Usage: ./toml_reader.sh <file_path> <section> <key>
+
+get_section() {
+    # Function to get the section from a TOML file
+    # Parameters:
+    # $1 - TOML file path
+    # $2 - section name
+    local file="$1"
+    local section="$2"
+
+    sed -n "/^\[$section\]/,/^\[/p" "$file" | sed '$d'
+}
+
+get_toml_value() {
+    # Function to get a value from a TOML file
+    # Parameters:
+    # $1 - TOML file path
+    # $2 - section
+    # $3 - key
+    local file="$1"
+    local section="$2"
+    local key="$3"
+
+    get_section "$file" "$section" | grep "^$key " | cut -d "=" -f2- | tr -d ' "'
+}
+
+# Show usage if script is called directly
+if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
+    if [ "$#" -ne 3 ]; then
+        echo "Error: Incorrect number of arguments"
+        echo "Usage: $0 <file_path> <section> <key>"
+        echo "Example: $0 ./config.toml server_b domain"
+        exit 1
+    fi
+
+    # Check if file exists
+    if [ ! -f "$1" ]; then
+        echo "Error: File '$1' does not exist"
+        exit 1
+    fi
+
+    # Get the value
+    result=$(get_toml_value "$1" "$2" "$3")
+
+    # Check if value was found
+    if [ -z "$result" ]; then
+        echo "Error: No value found for section '[$2]' and key '$3'"
+        exit 1
+    fi
+
+    echo "$result"
+fi

.github/workflows/docker.yml

@@ -14,13 +14,19 @@ concurrency:
 env:
     # Enable self-hosted runners for the sigp repo only.
     SELF_HOSTED_RUNNERS: ${{ github.repository == 'sigp/anchor' }}
+    RUST_VERSION: 'abc'
 
 jobs:
+    # Extract the rust-version from the Cargo.toml file.
     # Extract the VERSION which is either `latest` or `vX.Y.Z`, and the VERSION_SUFFIX
     # which is either empty or `-unstable`.
     extract-version:
         runs-on: ubuntu-22.04
         steps:
+            - name: Get rust-version 
+              id: get-rust-version 
+              run: RUST_VERSION=$(./.github/scripts/toml_reader.sh ./anchor/Cargo.toml package rust-version)
+
             - name: Extract version (if stable)
               if: github.event.ref == 'refs/heads/stable'
               run: |
@@ -96,3 +102,5 @@ jobs:
                 push: true
                 tags: |
                   hughestech/${{ matrix.binary }}:${{ env.VERSION }}${{ env.VERSION_SUFFIX }}
+                build-args: |
+                  RUST_VERSION=${{ env.RUST_VERSION }}

anchor/Dockerfile

@@ -1,4 +1,5 @@
-FROM rust:1.80.0-bullseye AS builder
+ARG RUST_VERSION=1.80.0
+FROM rust:${RUST_VERSION}-bullseye AS builder
 RUN apt-get update && apt-get -y upgrade && apt-get install -y cmake libclang-dev
 COPY . anchor
 ARG FEATURES