Better tag management #64

- Automatically create a tag for everything that affects the master
branch.
- When tagging, check that the tag name matches the Cargo version.

.travis.yml

@@ -37,18 +37,31 @@ script:
 
 after_success: |
   if [[ "$TRAVIS_RUST_VERSION" == stable ]]; then
+    # upload to codecov.io coverage results
     bash <(curl -s https://codecov.io/bash)
+    
+    # Get the version from Cargo
+    export version=$(grep -E "version = \"([0-9]+\.[0-9]+.[0-9]+)\"" Cargo.toml | grep -Eo -m 1 "[0-9]+\.[0-9]+.[0-9]+")
+
     # If this build is not from a tag, create one
     if [[ "$TRAVIS_TAG" == "" ]]; then
-      echo "Do nothing"
-      # Build a tag
-      # This prints the version number
-      # export version=$(grep -E "version = \"([0-9]+\.[0-9]+.[0-9]+)\"" Cargo.toml | grep -Eo -m 1 "[0-9]+\.[0-9]+.[0-9]+")
-      # export line_number=$(grep -En "version = \"([0-9]+\.[0-9]+.[0-9]+)\"" Cargo.toml | grep -Eo -m 1 "[0-9]+" | head -n 1)
-      # sed -i "${line_number}s/.*/version = \"${version}-build-${TRAVIS_BUILD_NUMBER}\"/" Cargo.toml 
-      # git tag -a -m "automated tag from Travis [ci skip]" ${version}-build-${TRAVIS_BUILD_NUMBER}
-      # git push -f --tags https://${GITHUB_TOKEN}@github.com/frosklis/dinero-rs.git
+      if [[ "$TRAVIS_BRANCH" == "master" && "$TRAVIS_EVENT_TYPE" != "cron" ]]; then
+        # If the build is from master we actually create a tag
+        # Build a tag
+        # This prints the version number
+        export line_number=$(grep -En "version = \"([0-9]+\.[0-9]+.[0-9]+)\"" Cargo.toml | grep -Eo -m 1 "[0-9]+" | head -n 1)
+        sed -i "${line_number}s/.*/version = \"${version}-build-${TRAVIS_BUILD_NUMBER}\"/" Cargo.toml 
+        git tag -a -m "automated tag from Travis [ci skip]" ${version}-build-${TRAVIS_BUILD_NUMBER}
+        git push -f --tags https://${GITHUB_TOKEN}@github.com/frosklis/dinero-rs.git
+      fi
+
+    # If it is from a tag...
     elif [[ "$TRAVIS_TAG" != *"build"* ]]; then
+      if [[ "$TRAVIS_TAG" != "$version" ]]; then
+        echo "Expected $TRAVIS_TAG from tag name."
+        echo "Found $version in Cargo.toml"
+        exit 1
+      fi
       rm cobertura.xml
       cargo publish --token ${CARGO_TOKEN}
     fi