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prepare for lean update #339

prepare for lean update

prepare for lean update #339

Workflow file for this run

# Build and run all the samples.
name: Check Proofs
# Controls when the workflow will run
on: [push, pull_request]
# A workflow run is made up of one or more jobs that can run sequentially or in parallel
jobs:
build:
runs-on: ubuntu-latest
# Steps represent a sequence of tasks that will be executed as part of the job
steps:
# Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
- uses: actions/checkout@v3
- name: Set environment variables
run: |
echo "CACHE_BIN=$GITHUB_WORKSPACE/.cache/bin" >> $GITHUB_ENV
echo "$GITHUB_WORKSPACE/.cache/bin" >> $GITHUB_PATH
- name: Setup elan toolchain on Linux
run: |
curl -O --location https://raw.githubusercontent.com/leanprover/elan/master/elan-init.sh
chmod u+x elan-init.sh
./elan-init.sh -y --default-toolchain leanprover/lean4:v4.2.0-rc4
echo "Adding location $HOME/.elan/bin to PATH..."
echo "$HOME/.elan/bin" >> $GITHUB_PATH
- name: Test elan & lean are working
run: |
elan --version
lean --version
- name: Build
run: |
lake build