Add Justfile to automate common tasks

This will help standardize and document maintenance. "Just" is a popular
make-like tool used by many Rust projects.

Author: emk

.github/workflows/ci.yml

@@ -108,22 +108,24 @@ jobs:
       - uses: actions/checkout@v2
         with:
           submodules: recursive
-      - name: Check source formatting and warnings
-        run: |
-          cargo fmt -- --check
-          cargo clippy -- -D warnings
-      - name: Check policy
+      - name: Install Just
         run: |
+          version=1.13.0
+          basename=just-$version-${{ matrix.host }}
+          curl -fLO https://github.com/casey/just/releases/download/$version/$basename.tar.gz
+          tar xf $basename.tar.gz just
+          mv just /usr/local/bin/
+          rm -rf $basename.tar.gz
+      - name: Install cargo-deny
           version=0.11.0
           basename=cargo-deny-$version-${{ matrix.host }}
           curl -fLO https://github.com/EmbarkStudios/cargo-deny/releases/download/$version/$basename.tar.gz
           tar xf $basename.tar.gz
           mv $basename/cargo-deny /usr/local/bin/
           rm -rf $basename $basename.tar.gz
-          cargo deny check
-      - name: Test
+      - name: Check source formatting, warnings, licences, security alerts & tests
         run: |
-          cargo test
+          just check
       - name: Install cargo cross (if needed)
         if: ${{ matrix.cargo == 'cross' }}
         # Note that this will not work for Rust programs using openssl or libpq.

Justfile

@@ -0,0 +1,34 @@
+# This is a `justfile`, which is sort of like a less crufty makefile
+# It's processed using <https://github.com/casey/just>, which you can
+# install using `cargo install -f just`
+#
+# To see a list of available commands, run `just --list`
+
+# Look up our version using cargo.
+VERSION := `cargo metadata --format-version 1 | jq -r '.packages[] | select(.name == "geocode-csv") | .version'`
+
+# Print the current version.
+version:
+    @echo "{{VERSION}}"
+
+# Check to make sure that we're in releasable shape.
+check:
+  cargo fmt -- --check
+  cargo deny check
+  cargo clippy -- -D warnings
+  cargo test --all
+
+# Check to make sure our working copy is clean.
+check-clean:
+    git diff-index --quiet HEAD --
+
+# Test against real network services, including Smarty.
+test-full:
+  cargo test --all -- --include-ignored
+
+# Release via crates.io and GitHub.
+release: check check-clean
+  cargo publish
+  git tag v{{VERSION}}
+  git push
+  git push --tags