File size: 3,150 Bytes
7c14868 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 | #!/usr/bin/env bash
set -euo pipefail
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
ARCHIVE="${1:-$SCRIPT_DIR/LiveCodeBench-venv-portable-20260407.tar.zst}"
TARGET="${2:-/data/repos/LiveCodeBench/.venv}"
OLD_PATH="${OLD_PATH:-/data/repos/LiveCodeBench/.venv}"
VERIFY_SHA="${VERIFY_SHA:-1}"
if [[ ! -f "$ARCHIVE" ]]; then
echo "archive not found: $ARCHIVE" >&2
exit 1
fi
if ! command -v tar >/dev/null 2>&1; then
echo "tar is required on the target server" >&2
exit 1
fi
if [[ "$ARCHIVE" == *.tar.zst ]] && ! tar --help 2>/dev/null | grep -q -- --zstd; then
echo "this tar does not support --zstd; install GNU tar with zstd support" >&2
exit 1
fi
sha_file="${ARCHIVE}.sha256"
if [[ "$VERIFY_SHA" != "0" && -f "$sha_file" ]] && command -v sha256sum >/dev/null 2>&1; then
(
cd "$(dirname "$sha_file")"
sha256sum -c "$(basename "$sha_file")"
)
fi
target_parent="$(dirname "$TARGET")"
tmp_root="$(mktemp -d)"
tmp_extract="$tmp_root/extract"
cleanup() {
rm -rf "$tmp_root"
}
trap cleanup EXIT
mkdir -p "$tmp_extract" "$target_parent"
tar --zstd -xpf "$ARCHIVE" -C "$tmp_extract"
if [[ ! -d "$tmp_extract/.venv" ]]; then
echo "archive did not contain .venv at its root" >&2
exit 1
fi
rm -rf "$TARGET"
mkdir -p "$TARGET"
cp -a "$tmp_extract/.venv/." "$TARGET/"
NEW_PATH="$TARGET"
BUNDLED_PYTHON_HOME="$TARGET/.python-home"
if [[ -x "$BUNDLED_PYTHON_HOME/bin/python3.11" ]]; then
rm -f "$TARGET/bin/python" "$TARGET/bin/python3" "$TARGET/bin/python3.11"
ln -s ../.python-home/bin/python3.11 "$TARGET/bin/python"
ln -s python "$TARGET/bin/python3"
ln -s python "$TARGET/bin/python3.11"
fi
NEW_PYTHON="$TARGET/bin/python3"
if [[ ! -x "$NEW_PYTHON" ]]; then
NEW_PYTHON="$TARGET/bin/python"
fi
rewrite_text_file() {
local file="$1"
OLD_PATH="$OLD_PATH" NEW_PATH="$NEW_PATH" perl -0pi -e 's/\Q$ENV{OLD_PATH}\E/$ENV{NEW_PATH}/g' "$file"
}
patch_shebang() {
local file="$1"
local first_line
first_line="$(head -n 1 "$file" || true)"
if [[ "$first_line" == "#!"*"$OLD_PATH/bin/python"* ]]; then
NEW_PYTHON="$NEW_PYTHON" perl -0pi -e 's@^#!.*$@#!$ENV{NEW_PYTHON}@m' "$file"
fi
}
while IFS= read -r -d '' file; do
if grep -Iq . "$file"; then
rewrite_text_file "$file"
patch_shebang "$file"
fi
done < <(find "$TARGET/bin" -maxdepth 1 -type f -print0)
if [[ -f "$TARGET/pyvenv.cfg" ]]; then
rewrite_text_file "$TARGET/pyvenv.cfg"
if [[ -d "$BUNDLED_PYTHON_HOME/bin" ]]; then
BUNDLED_PYTHON_HOME="$BUNDLED_PYTHON_HOME" perl -0pi -e 's/^home = .*$/home = $ENV{BUNDLED_PYTHON_HOME}\/bin/m' "$TARGET/pyvenv.cfg"
else
NEW_PATH="$NEW_PATH" perl -0pi -e 's/^home = .*$/home = $ENV{NEW_PATH}\/bin/m' "$TARGET/pyvenv.cfg"
fi
fi
"$NEW_PYTHON" -c 'import sys; print(sys.executable); print(sys.prefix)'
cat <<EOF
restore complete
archive: $ARCHIVE
target: $TARGET
python: $NEW_PYTHON
activate with:
source $TARGET/bin/activate
note:
native packages still require a compatible target server
(same CPU arch, similar glibc/libstdc++, and matching CUDA stack if used)
EOF
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