other: Add RISC-V to unofficially supported targets (#565)

Adds CI actions and documentation for RISC-V.

3 files changed, 71 insertions, 21 deletions

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 46f28cda..69041fe6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,21 +10,20 @@ on:
   workflow_dispatch:
   pull_request:
     paths-ignore:
-      - 'README.md'
-      - 'docs/**'
-      - '.github/ISSUE_TEMPLATE/**'
+      - "README.md"
+      - "docs/**"
+      - ".github/ISSUE_TEMPLATE/**"
   push:
     branches:
       - master
     paths-ignore:
-      - 'README.md'
-      - 'docs/**'
-      - '.github/ISSUE_TEMPLATE/**'
-      - 'CHANGELOG.md'
-      - 'CONTRIBUTING.md'
+      - "README.md"
+      - "docs/**"
+      - ".github/ISSUE_TEMPLATE/**"
+      - "CHANGELOG.md"
+      - "CONTRIBUTING.md"
 
 jobs:
-  # Check rustfmt
   rustfmt:
     runs-on: ${{ matrix.os }}
     strategy:
@@ -44,10 +43,9 @@ jobs:
           components: rustfmt
 
       - uses: Swatinem/rust-cache@v1
-      
+
       - run: cargo fmt --all -- --check
 
-  # Check clippy.  Note that this doesn't check ARM.
   clippy:
     runs-on: ${{ matrix.os }}
     strategy:
@@ -69,8 +67,6 @@ jobs:
 
       - uses: Swatinem/rust-cache@v1
 
-      # TODO: Can probably put cache here in the future; I'm worried if this will cause issues with clippy though since cargo check breaks it; maybe wait until 1.52, when fix lands.
-
       - run: cargo clippy --all-targets --workspace -- -D warnings
 
   # Compile/check/test.
@@ -174,6 +170,14 @@ jobs:
               rust: stable,
             }
 
+          # Risc-V 64gc
+          - {
+              os: "ubuntu-latest",
+              target: "riscv64gc-unknown-linux-gnu",
+              cross: true,
+              rust: stable,
+            }
+
           # macOS ARM
           - {
               os: "macOS-latest",
@@ -194,6 +198,8 @@ jobs:
           target: ${{ matrix.triple.target }}
 
       - uses: Swatinem/rust-cache@v1
+        with:
+          key: ${{ matrix.triple.target }}
 
       - name: Check
         uses: actions-rs/cargo@v1
diff --git a/.github/workflows/deployment.yml b/.github/workflows/deployment.yml
index 189041c8..e29d1a9a 100644
--- a/.github/workflows/deployment.yml
+++ b/.github/workflows/deployment.yml
@@ -75,6 +75,7 @@ jobs:
               target: "x86_64-unknown-linux-gnu",
               cross: false,
               artifact: true,
+              strip: true,
             }
           - {
               os: "ubuntu-18.04",
@@ -82,31 +83,46 @@ jobs:
               cross: false,
               container: quay.io/pypa/manylinux2014_x86_64,
               suffix: "2-17",
+              strip: true,
             }
           - {
               os: "ubuntu-18.04",
               target: "i686-unknown-linux-gnu",
               cross: true,
+              strip: true,
             }
           - {
               os: "ubuntu-18.04",
               target: "x86_64-unknown-linux-musl",
               cross: false,
-              artifact: true 
+              artifact: true,
+              strip: true,
             }
           - {
               os: "ubuntu-18.04",
               target: "i686-unknown-linux-musl",
               cross: true,
+              strip: true,
+            }
+          - {
+              os: "macOS-latest",
+              target: "x86_64-apple-darwin",
+              cross: false,
+              artifact: true,
+              strip: true,
             }
-          - { os: "macOS-latest", target: "x86_64-apple-darwin", cross: false, artifact: true }
           - {
               os: "windows-2019",
               target: "x86_64-pc-windows-msvc",
               cross: false,
               artifact: true,
             }
-          - { os: "windows-2019", target: "i686-pc-windows-msvc", cross: false, artifact: true }
+          - {
+              os: "windows-2019",
+              target: "i686-pc-windows-msvc",
+              cross: false,
+              artifact: true,
+            }
           - {
               os: "windows-2019",
               target: "x86_64-pc-windows-gnu",
@@ -118,7 +134,7 @@ jobs:
               os: "ubuntu-18.04",
               target: "aarch64-unknown-linux-gnu",
               cross: true,
-              artifact: true
+              artifact: true,
             }
 
           # armv7
@@ -126,7 +142,7 @@ jobs:
               os: "ubuntu-18.04",
               target: "armv7-unknown-linux-gnueabihf",
               cross: true,
-              artifact: true
+              artifact: true,
             }
 
           # PowerPC 64 LE
@@ -136,6 +152,13 @@ jobs:
               cross: true,
             }
 
+          # Risc-V 64gc
+          - {
+              os: "ubuntu-18.04",
+              target: "riscv64gc-unknown-linux-gnu",
+              cross: true,
+            }
+
     steps:
       - name: Checkout repository
         uses: actions/checkout@v2
@@ -188,6 +211,8 @@ jobs:
           target: ${{ matrix.triple.target }}
 
       - uses: Swatinem/rust-cache@v1
+        with:
+          key: ${{ matrix.triple.target }}
 
       - name: Build
         uses: actions-rs/cargo@v1
@@ -202,7 +227,7 @@ jobs:
           cp -r ./target/${{ matrix.triple.target }}/release/build/bottom-*/out completion
 
       - name: Strip release binary (macOS or Linux x86-64/i686)
-        if: matrix.triple.os != 'windows-2019' && matrix.triple.target != 'aarch64-unknown-linux-gnu' && matrix.triple.target != 'armv7-unknown-linux-gnueabihf' && matrix.triple.target != 'powerpc64le-unknown-linux-gnu'
+        if: matrix.triple.strip == true
         run: |
           strip target/${{ matrix.triple.target }}/release/btm
 
diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 4c13af32..817750ad 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -84,6 +84,7 @@ jobs:
               os: "ubuntu-18.04",
               target: "x86_64-unknown-linux-gnu",
               cross: false,
+              strip: true,
             }
           - {
               os: "ubuntu-18.04",
@@ -91,23 +92,32 @@ jobs:
               cross: false,
               container: quay.io/pypa/manylinux2014_x86_64,
               suffix: "2-17",
+              strip: true,
             }
           - {
               os: "ubuntu-18.04",
               target: "i686-unknown-linux-gnu",
               cross: true,
+              strip: true,
             }
           - {
               os: "ubuntu-18.04",
               target: "x86_64-unknown-linux-musl",
               cross: false,
+              strip: true,
             }
           - {
               os: "ubuntu-18.04",
               target: "i686-unknown-linux-musl",
               cross: true,
+              strip: true,
+            }
+          - {
+              os: "macOS-latest",
+              target: "x86_64-apple-darwin",
+              cross: false,
+              strip: true,
             }
-          - { os: "macOS-latest", target: "x86_64-apple-darwin", cross: false }
           - {
               os: "windows-2019",
               target: "x86_64-pc-windows-msvc",
@@ -141,6 +151,13 @@ jobs:
               cross: true,
             }
 
+          # Risc-V 64gc
+          - {
+              os: "ubuntu-18.04",
+              target: "riscv64gc-unknown-linux-gnu",
+              cross: true,
+            }
+
     steps:
       - name: Checkout repository
         uses: actions/checkout@v2
@@ -188,6 +205,8 @@ jobs:
           target: ${{ matrix.triple.target }}
 
       - uses: Swatinem/rust-cache@v1
+        with:
+          key: ${{ matrix.triple.target }}
 
       - name: Build
         uses: actions-rs/cargo@v1
@@ -202,7 +221,7 @@ jobs:
           cp -r ./target/${{ matrix.triple.target }}/release/build/bottom-*/out completion
 
       - name: Strip release binary (macOS or Linux x86-64/i686)
-        if: matrix.triple.os != 'windows-2019' && matrix.triple.target != 'aarch64-unknown-linux-gnu' && matrix.triple.target != 'armv7-unknown-linux-gnueabihf' && matrix.triple.target != 'powerpc64le-unknown-linux-gnu'
+        if: matrix.triple.strip == true
         run: |
           strip target/${{ matrix.triple.target }}/release/btm