Enforce formatting

Author: Xanewok

.travis.yml

@@ -9,18 +9,20 @@ os:
 rust:
   - nightly
 install:
+  - rustup component add rustfmt
   # Required for Racer autoconfiguration
   - rustup component add rust-src
   - rustup component add rust-analysis
 script:
   # Since the rls-* subcrates use crates.io-based dependencies of themselves it
   # makes sense to test them in isolation rather than just RLS itself
-  - (cd rls-analysis && cargo test -v)
-  - (cd rls-blacklist && cargo test -v)
-  - (cd rls-data && cargo test -v)
-  - (cd rls-rustc && cargo test -v)
-  - (cd rls-span && cargo test -v)
-  - (cd rls-vfs && cargo test -v)
+  - (cd rls-analysis && cargo test -v && cargo fmt -- --check)
+  - (cd rls-blacklist && cargo test -v && cargo fmt -- --check)
+  - (cd rls-data && cargo test -v && cargo fmt -- --check)
+  - (cd rls-rustc && cargo test -v && cargo fmt -- --check)
+  - (cd rls-span && cargo test -v && cargo fmt -- --check)
+  - (cd rls-vfs && cargo test -v && cargo fmt -- --check)
+  - cargo fmt -- --check
   - cargo build -v
   - cargo test -v
   - cargo test test_tooltip_std -- --ignored