140 lines
4.4 KiB
Bash
Executable file
140 lines
4.4 KiB
Bash
Executable file
#!/usr/bin/env nix-shell
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#!nix-shell -i bash -p curl gnused jq
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set -euxo pipefail
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# provide a github token so you don't get rate limited
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# if you use gh cli you can use:
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# `export GITHUB_TOKEN="$(cat ~/.config/gh/config.yml | yq '.hosts."github.com".oauth_token' -r)"`
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# or just set your token by hand:
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# `read -s -p "Enter your token: " GITHUB_TOKEN; export GITHUB_TOKEN`
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# (we use read so it doesn't show in our shell history and in secret mode so the token you paste isn't visible)
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if [ -z "${GITHUB_TOKEN:-}" ]; then
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echo "no GITHUB_TOKEN provided - you could meet API request limiting" >&2
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fi
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ROOT="$(dirname "$(readlink -f "$0")")"
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NIXPKGS_ROOT="$ROOT/../../../.."
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NIX_DRV="$ROOT/default.nix"
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COMMON_FILE="$ROOT/common.nix"
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instantiateClean() {
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nix-instantiate -A "$1" --eval --strict | cut -d\" -f2
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}
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# get latest version
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NEW_VERSION=$(
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curl -s -H
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"Accept: application/vnd.github.v3+json" \
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${GITHUB_TOKEN:+ -H "Authorization: bearer $GITHUB_TOKEN"} \
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https://api.github.com/repos/returntocorp/semgrep/releases/latest \
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| jq -r '.tag_name'
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)
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# trim v prefix
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NEW_VERSION="${NEW_VERSION:1}"
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OLD_VERSION="$(instantiateClean semgrep.common.version)"
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if [[ "$OLD_VERSION" == "$NEW_VERSION" ]]; then
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echo "Already up to date"
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exit
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fi
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replace() {
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sed -i "s@$1@$2@g" "$3"
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}
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fetchgithub() {
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set +eo pipefail
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nix-build -A "$1" 2>&1 >/dev/null | grep "got:" | cut -d':' -f2 | sed 's| ||g'
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set -eo pipefail
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}
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fetchzip() {
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set +eo pipefail
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nix-build -E "with import $NIXPKGS_ROOT {}; fetchzip {url = \"$1\"; sha256 = lib.fakeSha256; }" 2>&1 >/dev/null | grep "got:" | cut -d':' -f2 | sed 's| ||g'
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set -eo pipefail
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}
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replace "$OLD_VERSION" "$NEW_VERSION" "$COMMON_FILE"
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echo "Updating src"
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OLD_HASH="$(instantiateClean semgrep.common.src.outputHash)"
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echo "Old hash $OLD_HASH"
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TMP_HASH="sha256-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA="
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replace "$OLD_HASH" "$TMP_HASH" "$COMMON_FILE"
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NEW_HASH="$(fetchgithub semgrep.common.src)"
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echo "New hash $NEW_HASH"
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replace "$TMP_HASH" "$NEW_HASH" "$COMMON_FILE"
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echo "Updated src"
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# loop through platforms for core
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nix-instantiate -E "with import $NIXPKGS_ROOT {}; builtins.attrNames semgrep.common.core.data" --eval --strict --json \
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| jq '.[]' -r \
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| while read -r PLATFORM; do
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echo "Updating core for $PLATFORM"
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SUFFIX=$(instantiateClean semgrep.common.core.data."$1".suffix "$PLATFORM")
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OLD_HASH=$(instantiateClean semgrep.common.core.data."$1".sha256 "$PLATFORM")
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echo "Old hash $OLD_HASH"
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NEW_URL="https://github.com/returntocorp/semgrep/releases/download/v$NEW_VERSION/semgrep-v$NEW_VERSION$SUFFIX"
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NEW_HASH="$(fetchzip "$NEW_URL")"
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echo "New hash $NEW_HASH"
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replace "$OLD_HASH" "$NEW_HASH" "$COMMON_FILE"
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echo "Updated core for $PLATFORM"
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done
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OLD_PWD=$PWD
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TMPDIR="$(mktemp -d)"
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# shallow clone to check submodule commits, don't actually need the submodules
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git clone https://github.com/returntocorp/semgrep "$TMPDIR/semgrep" --depth 1 --branch "v$NEW_VERSION"
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get_submodule_commit() {
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OLD_PWD=$PWD
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(
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cd "$TMPDIR/semgrep"
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git ls-tree --object-only HEAD "$1"
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cd "$OLD_PWD"
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)
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}
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# loop through submodules
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nix-instantiate -E "with import $NIXPKGS_ROOT {}; builtins.attrNames semgrep.passthru.common.submodules" --eval --strict --json \
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| jq '.[]' -r \
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| while read -r SUBMODULE; do
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echo "Updating $SUBMODULE"
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OLD_REV=$(instantiateClean semgrep.passthru.common.submodules."$SUBMODULE".rev)
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echo "Old commit $OLD_REV"
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OLD_HASH=$(instantiateClean semgrep.passthru.common.submodules."$SUBMODULE".outputHash)
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echo "Old hash $OLD_HASH"
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NEW_REV=$(get_submodule_commit "$SUBMODULE")
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echo "New commit $NEW_REV"
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if [[ "$OLD_REV" == "$NEW_REV" ]]; then
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echo "$SUBMODULE already up to date"
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continue
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fi
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NEW_URL=$(instantiateClean semgrep.passthru.common.submodules."$SUBMODULE".url | sed "s@$OLD_REV@$NEW_REV@g")
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NEW_HASH=$(nix --experimental-features nix-command hash to-sri "sha256:$(nix-prefetch-url "$NEW_URL")")
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TMP_HASH="sha256-ABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA="
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replace "$OLD_REV" "$NEW_REV" "$COMMON_FILE"
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replace "$OLD_HASH" "$TMP_HASH" "$COMMON_FILE"
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NEW_HASH="$(fetchgithub semgrep.passthru.common.submodules."$SUBMODULE")"
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echo "New hash $NEW_HASH"
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replace "$TMP_HASH" "$NEW_HASH" "$COMMON_FILE"
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echo "Updated $SUBMODULE"
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done
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rm -rf "$TMPDIR"
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echo "Finished"
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