travis: remove travis-cargo

.travis.yml

@@ -38,26 +38,34 @@ branches:
 
 before_script:
   - export PATH=$HOME/.local/bin:$HOME/.cargo/bin:$PATH
-  - pip install 'travis-cargo<0.2' --user
-  - which rustfmt || travis-cargo --only nightly install rustfmt-nightly -- --force
-  - which cargo-install-update || cargo install cargo-update
-  - cargo install-update -a
+  - |
+      if [ $TRAVIS_RUST_VERSION = "nightly" ]; then
+        cargo install rustfmt-nightly --force;
+      fi
   - mkdir $(pwd)/socket
   - export XDG_RUNTIME_DIR="$(pwd)/socket"
 
 script:
-  - travis-cargo -q --only nightly fmt -- -- --write-mode=diff
-  - travis-cargo -q --skip nightly test
-  - travis-cargo -q --only nightly test -- --features "clippy"
-  - travis-cargo -q --only stable doc -- --no-deps
+  - |
+      if [ $TRAVIS_RUST_VERSION = "nightly" ]; then
+        cargo fmt -- --write-mode=diff
+      fi
+  - |
+      features=$([ $TRAVIS_RUST_VERSION = "nightly" ] && echo "clippy" || echo "")
+      cargo test --features "$features"
+  - |
+      if [ $TRAVIS_RUST_VERSION = "stable" ]; then
+        cargo doc --no-deps
+      fi
 
 after_success:
-  - travis-cargo -q --only stable doc-upload
-
+  - |
+      [ $TRAVIS_RUST_VERSION = "stable" ] &&
+      [ $TRAVIS_BRANCH = "master" ] &&
+      [ $TRAVIS_PULL_REQUEST = "false" ] &&
+      ./doc_upload.sh
 env:
   global:
-    # override the default `--features unstable` used for the nightly branch (optional)
-    - TRAVIS_CARGO_NIGHTLY_FEATURE=""
     - RUST_BACKTRACE=1
     - secure: 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
 

doc_upload.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+
+repo="$TRAVIS_REPO_SLUG"
+token="$GH_TOKEN"
+commit=$(git rev-parse --short HEAD)
+msg="Documentation for $repo@$commit"
+
+git clone https://github.com/davisp/ghp-import
+./ghp-import/ghp_import.py -n -m "$msg" target/doc
+# pipe output to /dev/null to avoid printing our token in travis log
+git push -fq "https://$token@github.com/$repo.git" "gh-pages" > /dev/null