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Add optional checksum input for binary verification #4

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Add optional checksum input for binary verification #4

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15 changes: 15 additions & 0 deletions action.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,9 @@ inputs:
description: Tessl CLI version to install (e.g. "0.73.0", or "latest")
required: false
default: "latest"
checksum:
description: Expected SHA-256 hash of the downloaded tarball. When set, the action verifies the download before extracting. Obtain with "shasum -a 256 tessl-<version>-<platform>.tar.gz".
required: false
token:
description: Tessl API token for authentication. When set, exported as TESSL_TOKEN for all subsequent steps.
required: false
Expand Down Expand Up @@ -72,6 +75,7 @@ runs:
env:
VERSION: ${{ steps.resolve.outputs.version }}
PLATFORM: ${{ steps.platform.outputs.platform }}
EXPECTED_CHECKSUM: ${{ inputs.checksum }}
run: |
URL="https://install.tessl.io/binaries/${VERSION}/tessl-${VERSION}-${PLATFORM}.tar.gz"
INSTALL_DIR="${RUNNER_TOOL_CACHE}/tessl/${VERSION}/${PLATFORM}"
Expand All @@ -81,6 +85,17 @@ runs:
echo "URL: ${URL}"

curl -fsSL "$URL" -o "$INSTALL_DIR/tessl.tar.gz"

if [ -n "$EXPECTED_CHECKSUM" ]; then
ACTUAL="$(shasum -a 256 "$INSTALL_DIR/tessl.tar.gz" | awk '{print $1}')"
if [ "$ACTUAL" != "$EXPECTED_CHECKSUM" ]; then
echo "::error::Checksum mismatch for tessl ${VERSION} (${PLATFORM}). Expected: ${EXPECTED_CHECKSUM}, got: ${ACTUAL}"
rm -f "$INSTALL_DIR/tessl.tar.gz"
exit 1
fi
echo "Checksum verified: ${ACTUAL}"
fi

tar -xzf "$INSTALL_DIR/tessl.tar.gz" -C "$INSTALL_DIR"
rm "$INSTALL_DIR/tessl.tar.gz"
mv "$INSTALL_DIR/tessl-${VERSION}-${PLATFORM}" "$INSTALL_DIR/tessl"
Expand Down
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