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lean4/script/lib/update-stage0
2026-02-25 11:40:02 +01:00

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#!/usr/bin/env bash
set -euo pipefail
rm -rf stage0 || true
# don't copy untracked files
# `:!` is git glob flavor for exclude patterns
for f in $(git ls-files src ':!:src/lake/*' ':!:src/Leanc.lean'); do
if [[ $f == *.lean ]]; then
f=${f#src/}
f=${f%.lean}.c
mkdir -p $(dirname stage0/stdlib/$f)
cp ${CP_C_PARAMS:-} $CSRCS/$f stage0/stdlib/$f
else
mkdir -p $(dirname stage0/$f)
cp $f stage0/$f
fi
done
# special handling for Lake files due to its nested directory
# copy the README to ensure the `stage0/src/lake` directory is committed
for f in $(git ls-files 'src/lake/Lake/*' src/lake/Lake.lean src/lake/LakeMain.lean src/lake/README.md ':!:src/lakefile.toml'); do
if [[ $f == *.lean ]]; then
f=${f#src/lake}
f=${f%.lean}.c
mkdir -p $(dirname stage0/stdlib/$f)
cp ${CP_C_PARAMS:-} $CSRCS/$f stage0/stdlib/$f
else
mkdir -p $(dirname stage0/$f)
cp $f stage0/$f
fi
done
git add stage0