Merge branch 'extract-libical'

98 files changed, 3207 insertions, 8926 deletions

diff --git a/.circleci/config.yml b/.circleci/config.yml
deleted file mode 100644
index 782d19d..0000000
--- a/.circleci/config.yml
+++ /dev/null
@@ -1,47 +0,0 @@
-version: 2
-jobs:
-  test:
-    docker:
-      - image: puzzlewolf/rust-libical3:0.7
-    working_directory: /mnt/crate
-    steps:
-      - checkout
-      - restore_cache:
-          keys:
-            - cargo-v2-{{ checksum "Cargo.toml" }}-
-            - cargo-v2-
-      - run: cargo update
-      - run: cargo fetch
-      - persist_to_workspace:
-          root: "."
-          paths:
-            - Cargo.lock
-      - save_cache:
-          key: cargo-v2-{{ checksum "Cargo.toml" }}-{{ checksum "Cargo.lock" }}
-          paths:
-            - ~/.cargo/registry
-            - ~/.cargo/git
-      - run:
-          name: Print version information
-          command: rustc --version; cargo --version
-      - run:
-          name: Build and test
-          command: cargo test --verbose --frozen
-          environment:
-            # Need this for the coverage run
-            RUSTFLAGS: "-C link-dead-code"
-      - run:
-          name: Prune the output files
-          command: |
-            for file in target/debug/* target/debug/.??*; do
-              [ -d $file -o ! -x $file ] && rm -r $file
-            done
-      - persist_to_workspace:
-          root: "."
-          paths:
-            - target/debug/*
-workflows:
-  version: 2
-  test_all:
-    jobs:
-      - test
diff --git a/.circleci/images/rust-libical3-kcov/Dockerfile b/.circleci/images/rust-libical3-kcov/Dockerfile
deleted file mode 100644
index d9e9bb4..0000000
--- a/.circleci/images/rust-libical3-kcov/Dockerfile
+++ /dev/null
@@ -1,32 +0,0 @@
-#FROM debian:buster
-FROM puzzlewolf/rust-libical3:0.7
-
-ARG KCOV_GIT_REF
-
-RUN apt-get update
-# install pkg-config deliberately separate since it sometimes fails :( If it eventually
-# is installed we do not repeat the whole image build.
-#RUN apt-get install -y --fix-missing pkg-config
-RUN apt-get install -y wget libcurl4-openssl-dev libelf-dev libdw-dev cmake cmake-data g++ binutils-dev \
-                       libiberty-dev
-#RUN apt-get install -y libical-dev
-
-ENV SRC_DIR=/home/kcov-src \
-    URL_GIT_KCOV=https://github.com/SimonKagstrom/kcov.git
-
-RUN git clone $URL_GIT_KCOV $SRC_DIR; \
-    cd $SRC_DIR; \
-    # default to latest tagged version
-    DEFAULT_KCOV_GIT_REF=$(git tag --list | grep "^v[0-9]\+$" | sort -V | tail --lines 1); \
-    KCOV_GIT_REF=${KCOV_GIT_REF:-$DEFAULT_KCOV_GIT_REF}; \
-    git reset --hard $KCOV_GIT_REF;
-
-RUN cd $SRC_DIR && \
-    mkdir build && \
-    cd build && \
-    cmake .. && \
-    make && \
-    make install
-
-ENTRYPOINT ["kcov"]
-CMD ["--help"]
diff --git a/.circleci/images/rust-libical3/Dockerfile b/.circleci/images/rust-libical3/Dockerfile
deleted file mode 100644
index ff4e1d9..0000000
--- a/.circleci/images/rust-libical3/Dockerfile
+++ /dev/null
@@ -1,45 +0,0 @@
-FROM buildpack-deps:buster
-
-# Some of the dependencies I need to build a few libraries,
-# personalize to your needs. You can use multi-stage builds
-# to produce a lightweight image.
-#RUN apt-get update && \
-#    apt-get install -y curl file gcc g++ git make openssh-client \
-#    autoconf automake cmake libtool libcurl4-openssl-dev libssl-dev \
-#    libelf-dev libdw-dev binutils-dev zlib1g-dev libiberty-dev wget \
-#    xz-utils pkg-config python
-
-RUN apt-get update && \
-    apt-get install -y libical-dev clang
-
-#ENV KCOV_VERSION 33
-#RUN wget https://github.com/SimonKagstrom/kcov/archive/v$KCOV_VERSION.tar.gz && \
-#    tar xzf v$KCOV_VERSION.tar.gz && \
-#    rm v$KCOV_VERSION.tar.gz && \
-#    cd kcov-$KCOV_VERSION && \
-#    mkdir build && cd build && \
-#    cmake .. && make && make install && \
-#    cd ../.. && rm -rf kcov-$KCOV_VERSION
-
-#RUN curl https://sh.rustup.rs -sSf | sh -s -- -y
-RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
-
-ENV PATH "$PATH:/root/.cargo/bin"
-#ENV RUSTFLAGS "-C link-dead-code"
-#ENV CFG_RELEASE_CHANNEL "nightly"
-
-#RUN rustup update && \
-#    rustup install nightly && \
-#    rustup default nightly
-
-#ENV RUSTFMT_VERSION 0.3.1
-#RUN wget https://github.com/rust-lang-nursery/rustfmt/archive/${RUSTFMT_VERSION}.tar.gz && \
-#    tar xzf ${RUSTFMT_VERSION}.tar.gz && rm ${RUSTFMT_VERSION}.tar.gz && \
-#    cd rustfmt-${RUSTFMT_VERSION} && \
-#    $HOME/.cargo/bin/cargo install --path . && \
-#    cd .. && rm -rf rustfmt-${RUSTFMT_VERSION}
-
-#RUN bash -l -c 'echo $(rustc --print sysroot)/lib >> /etc/ld.so.conf'
-#RUN bash -l -c 'echo /usr/local/lib >> /etc/ld.so.conf'
-#RUN ldconfig
-#EXEC bash
diff --git a/.gitignore b/.gitignore
index ebe16a7..973ade5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,16 +1,5 @@
-# Generated by Cargo
-# will have compiled files and executables
-/target/
-
-# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
-# More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
-# Cargo.lock
+Cargo.lock
+target
 
 # These are backup files generated by rustfmt
 **/*.rs.bk
-
-# Don't commit ics files in this repo (typically)
-*.ics
-
-# Don't commit the Index folder
-.khaleesi/
diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..53e3b66
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,16 @@
+matrix:
+  include:
+    - language: nix
+      script:
+        - nix-shell --pure --run "cargo build --all --all-features"
+
+jobs:
+  allow_failures:
+    - rust: nightly
+  fast_finish: true
+
+notifications:
+  email:
+    on_success: always
+    on_failure: always
+
diff --git a/Cargo.lock b/Cargo.lock
deleted file mode 100644
index f539ac2..0000000
--- a/Cargo.lock
+++ /dev/null
@@ -1,1186 +0,0 @@
-# This file is automatically @generated by Cargo.
-# It is not intended for manual editing.
-[[package]]
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-
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