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feat: harden checkout #795

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Merged
merged 3 commits into from
Sep 6, 2022
Merged

feat: harden checkout #795

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1f17e2b
update
laurentsimon Sep 6, 2022
0d5e7e4
update
laurentsimon Sep 6, 2022
ca5b3aa
rebuild sha256 action
laurentsimon Sep 6, 2022
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4 changes: 4 additions & 0 deletions .github/actions/checkout-go/action.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,7 @@ runs:
if: inputs.ref != ''
uses: actions/checkout@2541b1294d2704b0964813337f33b291d3f8596b # tag=v3.0.2
with:
fetch-depth: 1
persist-credentials: false
repository: "${{ inputs.repository }}"
ref: "${{ inputs.ref }}"
Expand All @@ -55,6 +56,9 @@ runs:
repository: "${{ inputs.repository }}"
token: "${{ inputs.token }}"

- name: Verify checkout
uses: slsa-framework/slsa-github-generator/.github/actions/verify-checkout@main
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Once this is merged, I will update this code to a hash pin instead of "@main"


- name: Set up Go environment
uses: actions/setup-go@268d8c0ca0432bb2cf416faae41297df9d262d7f # tag=v3.3.0
with:
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16 changes: 16 additions & 0 deletions .github/actions/verify-checkout/action.yaml
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@@ -0,0 +1,16 @@
name: "Verify a checkout's sha"
description: "verify commit sha for a GitHub repo"

runs:
using: "composite"
steps:
- name: Verify commit sha
shell: bash
run: |
set -euo pipefail

git_sha=$(git log -1 --format='%H')
if [[ "$git_sha" != "$GITHUB_SHA" ]]; then
echo "mismatch git sha $git_sha != $GITHUB_SHA"
exit 1
fi