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zed/script/check-licenses
Michael Sloan f2a1eb9963 Make check-licenses script check that AGPL crates are not included in release binaries (#42571)
See discussion in #24657. Recalled that I had a stashed change for this,
so polished it up

Release Notes:

- N/A
2025-11-12 21:58:12 +00:00

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#!/usr/bin/env bash
set -euo pipefail
AGPL_CRATES=("collab")
RELEASE_CRATES=("cli" "remote_server" "zed")
check_license () {
local dir="$1"
local allowed_licenses=()
local is_agpl=false
for agpl_crate in "${AGPL_CRATES[@]}"; do
if [[ "$dir" == "crates/$agpl_crate" ]]; then
is_agpl=true
break
fi
done
if [[ "$is_agpl" == true ]]; then
allowed_licenses=("LICENSE-AGPL")
else
allowed_licenses=("LICENSE-GPL" "LICENSE-APACHE")
fi
for license in "${allowed_licenses[@]}"; do
if [[ -L "$dir/$license" ]]; then
return 0
elif [[ -e "$dir/$license" ]]; then
echo "Error: $dir/$license exists but is not a symlink."
exit 1
fi
done
if [[ "$is_agpl" == true ]]; then
echo "Error: $dir does not contain a LICENSE-AGPL symlink"
else
echo "Error: $dir does not contain a LICENSE-GPL or LICENSE-APACHE symlink"
fi
exit 1
}
git ls-files "**/*/Cargo.toml" | while read -r cargo_toml; do
check_license "$(dirname "$cargo_toml")"
done
# Make sure the AGPL server crates are included in the release tarball.
for release_crate in "${RELEASE_CRATES[@]}"; do
tree_output=$(cargo tree --package "$release_crate")
for agpl_crate in "${AGPL_CRATES[@]}"; do
# Look for lines that contain the crate name followed by " v" (version)
# This matches patterns like "├── collab v0.44.0"
if echo "$tree_output" | grep -E "(^|[^a-zA-Z_])${agpl_crate} v" > /dev/null; then
echo "Error: crate '${agpl_crate}' is AGPL and is a dependency of crate '${release_crate}'." >&2
echo "AGPL licensed code should not be used in the release distribution, only in servers." >&2
exit 1
fi
done
done
echo "check-licenses succeeded"