mirror of
https://github.com/logos-co/logos-monorepo.git
synced 2026-08-27 10:11:12 +00:00
42 lines
1.3 KiB
Bash
Executable File
42 lines
1.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Shared helper for CLI tool wrappers.
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# Usage: source _tool-wrapper <repo> <derivation> <binary> "$@"
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#
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# - Builds the specific derivation if the binary doesn't exist
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# - Rebuilds if any repo file is newer than last build (source changed)
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# - Runs the binary with all passed arguments
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set -euo pipefail
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_REPO="$1"; _DERIV="$2"; _BIN="$3"; shift 3
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WORKSPACE_ROOT="${LOGOS_WORKSPACE_ROOT:-$(cd "$(dirname "$0")/.." && pwd)}"
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REPO_PATH="$WORKSPACE_ROOT/repos/$_REPO"
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RESULT_LINK="$REPO_PATH/result-$_DERIV"
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RESULT_BIN="$RESULT_LINK/bin/$_BIN"
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STAMP_DIR="$WORKSPACE_ROOT/.build-stamps"
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BUILD_STAMP="$STAMP_DIR/${_REPO}--${_DERIV}"
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_needs_build() {
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# No binary yet
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[[ ! -x "$RESULT_BIN" ]] && return 0
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# No stamp yet (first build was external)
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[[ ! -f "$BUILD_STAMP" ]] && return 0
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# Any repo file newer than last build
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[[ -n "$(find "$REPO_PATH" -newer "$BUILD_STAMP" \
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-not -path '*/.git/*' -not -path '*/result' -not -path '*/result/*' \
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-not -name '.build-stamp' \
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-print -quit 2>/dev/null)" ]] && return 0
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return 1
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}
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if _needs_build; then
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echo "Building $_REPO#$_DERIV..." >&2
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nix build --extra-experimental-features "nix-command flakes" \
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"path:$REPO_PATH#$_DERIV" \
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--out-link "$RESULT_LINK"
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mkdir -p "$STAMP_DIR"
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touch "$BUILD_STAMP"
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fi
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exec "$RESULT_BIN" "$@"
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