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1name: CI
2on:
3  pull_request:
4  push:
5    branches:
6      - master
7
8jobs:
9
10  test:
11    name: Test
12    runs-on: ubuntu-latest
13    strategy:
14      matrix:
15        rust: [1.0.0, 1.5.0, 1.10.0, 1.15.0, 1.20.0, 1.25.0, 1.30.0, 1.35.0,
16               1.40.0, 1.45.0, 1.50.0, 1.55.0, 1.60.0, 1.65.0, 1.70.0, 1.75.0,
17               1.80.0, # first version with rustc-check-cfg
18               stable, beta, nightly]
19    steps:
20      - uses: actions/checkout@v4
21      - uses: dtolnay/rust-toolchain@master
22        with:
23          toolchain: ${{ matrix.rust }}
24      - run: cargo build --verbose
25      - run: cargo test --verbose
26      - run: cargo run
27        working-directory: ./ci/verify-check-cfg
28
29  # try probing a target that doesn't have std at all
30  no_std:
31    name: No Std
32    runs-on: ubuntu-latest
33    steps:
34      - uses: actions/checkout@v4
35      - uses: dtolnay/rust-toolchain@stable
36        with:
37          target: thumbv6m-none-eabi
38      - run: cargo test --verbose --lib
39        env:
40          TARGET: thumbv6m-none-eabi
41
42  # we don't even need an installed target for version checks
43  missing_target:
44    name: Missing Target
45    runs-on: ubuntu-latest
46    steps:
47      - uses: actions/checkout@v4
48      - uses: dtolnay/rust-toolchain@stable
49      - run: cargo test --verbose --lib -- version
50        env:
51          TARGET: thumbv6m-none-eabi
52
53  fmt:
54    name: Format
55    runs-on: ubuntu-latest
56    steps:
57      - uses: actions/checkout@v4
58      - uses: dtolnay/rust-toolchain@1.77.0
59        with:
60          components: rustfmt
61      - run: cargo fmt --all --check
62
63  # One job that "summarizes" the success state of this pipeline. This can then be added to branch
64  # protection, rather than having to add each job separately.
65  success:
66    name: Success
67    runs-on: ubuntu-latest
68    needs: [test, no_std, missing_target, fmt]
69    # Github branch protection is exceedingly silly and treats "jobs skipped because a dependency
70    # failed" as success. So we have to do some contortions to ensure the job fails if any of its
71    # dependencies fails.
72    if: always() # make sure this is never "skipped"
73    steps:
74      # Manually check the status of all dependencies. `if: failure()` does not work.
75      - name: check if any dependency failed
76        run: jq --exit-status 'all(.result == "success")' <<< '${{ toJson(needs) }}'
77