[CIFuzz] Support languages non-C++ projects (e.g. Python projects) (#5222)

Allow use of non-C++ projects by specifying the language in the workflow file.
Fixes #5195

1 files changed, 17 insertions, 9 deletions

diff --git a/docs/getting-started/continuous_integration.md b/docs/getting-started/continuous_integration.md
index 5ef0cb9d..fac10fe5 100644
--- a/docs/getting-started/continuous_integration.md
+++ b/docs/getting-started/continuous_integration.md
@@ -39,7 +39,6 @@ fuzzing more effective and gives you regression testing for free.
 
 1. Your project must be integrated with OSS-Fuzz.
 1. Your project is hosted on GitHub.
-1. Your project is written in C or C++.
 
 ## Integrating into your repository
 
@@ -75,13 +74,13 @@ jobs:
      uses: google/oss-fuzz/infra/cifuzz/actions/build_fuzzers@master
      with:
        oss-fuzz-project-name: 'example'
-       dry-run: false
+       language: c++
    - name: Run Fuzzers
      uses: google/oss-fuzz/infra/cifuzz/actions/run_fuzzers@master
      with:
        oss-fuzz-project-name: 'example'
+       language: c++
        fuzz-seconds: 600
-       dry-run: false
    - name: Upload Crash
      uses: actions/upload-artifact@v1
      if: failure() && steps.build.outcome == 'success'
@@ -94,8 +93,16 @@ jobs:
 ### Optional configuration
 
 #### Configurable Variables
+
+`language`: (optional) The language your target program is written in. Defaults
+to `c++`. This shold be the same as the value you set in `project.yaml`. See
+[this explanation]({{ site.baseurl }}//getting-started/new-project-guide/#language)
+for more details.
+
 `fuzz-time`: Determines how long CIFuzz spends fuzzing your project in seconds.
-The default is 600 seconds. The GitHub Actions max run time is 21600 seconds (6 hours).
+The default is 600 seconds. The GitHub Actions max run time is 21600 seconds (6
+hours). This variable is only meaningful when supplied to the `run_fuzzers`
+action, not the `build_fuzzers` action.
 
 `dry-run`: Determines if CIFuzz surfaces errors. The default value is `false`. When set to `true`,
 CIFuzz will never report a failure even if it finds a crash in your project.
@@ -104,7 +111,8 @@ make sure to set the dry-run parameters in both the `Build Fuzzers` and `Run Fuz
 
 `allowed-broken-targets-percentage`: Can be set if you want to set a stricter
 limit for broken fuzz targets than OSS-Fuzz's check_build. Most users should
-not set this.
+not set this. This value is only meaningful when supplied to the `run_fuzzers`
+action, not the `build_fuzzers` action.
 
 `sanitizer`: Determines a sanitizer to build and run fuzz targets with. The choices are `'address'`,
 `'memory'` and `'undefined'`. The default is `'address'`. It is important to note that the `Build Fuzzers`
@@ -129,14 +137,14 @@ jobs:
      uses: google/oss-fuzz/infra/cifuzz/actions/build_fuzzers@master
      with:
        oss-fuzz-project-name: 'example'
-       dry-run: false
+       language: c++
        sanitizer: ${{ matrix.sanitizer }}
    - name: Run Fuzzers (${{ matrix.sanitizer }})
      uses: google/oss-fuzz/infra/cifuzz/actions/run_fuzzers@master
      with:
        oss-fuzz-project-name: 'example'
+       language: c++
        fuzz-seconds: 600
-       dry-run: false
        sanitizer: ${{ matrix.sanitizer }}
    - name: Upload Crash
      uses: actions/upload-artifact@v1
@@ -176,13 +184,13 @@ jobs:
      uses: google/oss-fuzz/infra/cifuzz/actions/build_fuzzers@master
      with:
        oss-fuzz-project-name: 'example'
-       dry-run: false
+       language: c++
    - name: Run Fuzzers
      uses: google/oss-fuzz/infra/cifuzz/actions/run_fuzzers@master
      with:
        oss-fuzz-project-name: 'example'
+       language: c++
        fuzz-seconds: 600
-       dry-run: false
    - name: Upload Crash
      uses: actions/upload-artifact@v1
      if: failure() && steps.build.outcome == 'success'