First attempt at lighting up code coverage

.travis.yml

@@ -8,10 +8,31 @@ matrix:
     env:
     - FEATURES='unstable'
 cache: cargo
-before_script:
+before_script: |
-- export PATH="$PATH:$HOME/.cargo/bin"
+  export PATH="$PATH:$HOME/.cargo/bin"
-- rustup component add rustfmt-preview
+  rustup component add rustfmt-preview
+  PKGNAME="phist" # must match with cargo.toml
+  LOCAL="~/.local" # install here to avoid `sudo`
+  export PATH=$LOCAL/bin:$PATH
+addons:
+  apt:
+    packages:
+    - libcurl4-openssl-dev
+    - libelf-dev
+    - libdw-dev
+    - binutils-dev # required for `--verify`
 script:
 - cargo fmt -- --write-mode=diff
 - cargo build --verbose --features "$FEATURES"
 - cargo test --verbose --features "$FEATURES"
+after_success: |
+  wget https://github.com/SimonKagstrom/kcov/archive/master.tar.gz &&
+  tar xzf master.tar.gz && mkdir kcov-master/build && cd kcov-master/build &&
+  cmake -DCMAKE_INSTALL_PREFIX:PATH=$LOCAL .. && make &&
+  make install && cd ../.. &&
+
+  kcov --verify \
+       --exclude-pattern=/.cargo \
+       target/kcov target/debug/$PKGNAME-*
+
+  bash <(curl -s https://codecov.io/bash) -s target/kcov

README.md

@@ -1,5 +1,27 @@
 [![Build Status](https://travis-ci.org/garious/phist.svg?branch=master)](https://travis-ci.org/garious/phist)
 
-# phist
+# :punch: phist :punch:
 
 An implementation of Loom's Proof-of-History.
+
+
+# Developing
+
+Install Rust and Cargo:
+
+```bash
+$ curl https://sh.rustup.rs -sSf | sh
+```
+
+Download the source code:
+
+```bash
+$ git clone https://github.com/garious/phist.git
+$ cd phist
+```
+
+Run the test suite:
+
+```bash
+cargo test
+```