Add OpenPGP Card example

Signed-off-by: Wiktor Kwapisiewicz <wiktor@metacode.biz>

Author: wiktor-k

.env

@@ -0,0 +1,6 @@
+# Ubuntu packages
+UBUNTU_PACKAGES=libpcsclite-dev
+# Windows packages
+WINDOWS_PACKAGES=
+# macOS packages
+MACOS_PACKAGES=

.github/workflows/misc.yml

@@ -27,6 +27,8 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4
+      - run: cargo install --locked just
+      - run: just install-packages
       # If the example doesn't compile the integration test will
       # be stuck. Check for compilation issues earlier to abort the job
       - name: Check if the example compiles

.github/workflows/rust.yml

@@ -50,6 +50,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: wiktor-k/setup-just@v1
+      - run: just install-packages
       - name: Run unit tests
         run: just tests
 
@@ -73,5 +74,6 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: wiktor-k/setup-just@v1
+      - run: just install-packages
       - name: Check for lints
         run: just lints

.justfile

@@ -1,4 +1,8 @@
 #!/usr/bin/env -S just --working-directory . --justfile
+# Load project-specific properties from the `.env` file
+
+set dotenv-load := true
+
 # Since this is a first recipe it's being run by default.
 # Faster checks need to be executed first for better UX.  For example
 
@@ -31,6 +35,16 @@ tests:
 docs:
     cargo doc --no-deps
 
+# Installs packages required to build
+[linux]
+install-packages:
+    sudo apt-get install --assume-yes --no-install-recommends $UBUNTU_PACKAGES
+
+[macos]
+[windows]
+install-packages:
+    echo no-op
+
 # Checks for commit messages
 check-commits REFS='main..':
     #!/usr/bin/env bash