41 lines
1.2 KiB
Bash
41 lines
1.2 KiB
Bash
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#!/usr/bin/env bash
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###
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### This script runs 'nix-build' with ./fetch-source.nix and copies a subset
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### of the resulting store path into the current working directory.
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###
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### To disable running chmod, you may set the environment
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### variable "FIX_RIGHTS" to "no".
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###
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set -euo pipefail
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# 'nix-build' command
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NIX_BUILD_BIN="${NIX_BUILD_BIN:-"/usr/bin/env nix-build"}"
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# where to place the yarn2nix source
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TARGET_DIR="${TARGET_DIR:-"./yarn2nix"}"
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# whether to run 'chmod -R u=rwX,g=rX,o-rwx' on copied files in $TARGET_DIR
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FIX_RIGHTS="${FIX_RIGHTS:-"yes"}"
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fetch_git_source() {
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[[ -f ./fetch-source.nix ]] && ret="$($NIX_BUILD_BIN --no-out-link ./fetch-source.nix)" && ec="$?" || ec="$?"
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if [[ "$ec" == "0" ]]; then
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echo "$ret"
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else
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printf "error: failed at 'fetch_git_source()' with '%s'" "$ret"
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fi
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}
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result="$(fetch_git_source)"
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if [[ "$result" == "/nix/store"* ]]; then
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mkdir -p "$TARGET_DIR"
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cp -Rv \
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"${result}/"{bin,internal,lib,nix,default.nix,package.json,yarn.nix,yarn.lock,LICENSE.txt} \
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"$TARGET_DIR"
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[[ "$FIX_RIGHTS" = "yes" ]] \
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&& chmod -v "u=rwX,g=rX,o-rwx" -R \
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"$TARGET_DIR/"{bin,internal,lib,nix,default.nix,package.json,yarn.nix,yarn.lock,LICENSE.txt}
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fi
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