diff options
Diffstat (limited to 'pkgs/stdenv/generic/setup.sh')
-rw-r--r-- | pkgs/stdenv/generic/setup.sh | 89 |
1 files changed, 61 insertions, 28 deletions
diff --git a/pkgs/stdenv/generic/setup.sh b/pkgs/stdenv/generic/setup.sh index c85f05d9a919..ed95494e9bb2 100644 --- a/pkgs/stdenv/generic/setup.sh +++ b/pkgs/stdenv/generic/setup.sh @@ -641,22 +641,9 @@ fi # Textual substitution functions. -substitute() { - local input="$1" - local output="$2" - shift 2 - - if [ ! -f "$input" ]; then - echo "substitute(): ERROR: file '$input' does not exist" >&2 - return 1 - fi - - local content - # read returns non-0 on EOF, so we want read to fail - if IFS='' read -r -N 0 content < "$input"; then - echo "substitute(): ERROR: File \"$input\" has null bytes, won't process" >&2 - return 1 - fi +substituteStream() { + local var=$1 + shift while (( "$#" )); do case "$1" in @@ -671,7 +658,7 @@ substitute() { shift 2 # check if the used nix attribute name is a valid bash name if ! [[ "$varName" =~ ^[a-zA-Z_][a-zA-Z0-9_]*$ ]]; then - echo "substitute(): ERROR: substitution variables must be valid Bash names, \"$varName\" isn't." >&2 + echo "substituteStream(): ERROR: substitution variables must be valid Bash names, \"$varName\" isn't." >&2 return 1 fi pattern="@$varName@" @@ -685,18 +672,41 @@ substitute() { ;; *) - echo "substitute(): ERROR: Invalid command line argument: $1" >&2 + echo "substituteStream(): ERROR: Invalid command line argument: $1" >&2 return 1 ;; esac - content="${content//"$pattern"/$replacement}" + eval "$var"'=${'"$var"'//"$pattern"/"$replacement"}' done - if [ -e "$output" ]; then chmod +w "$output"; fi - printf "%s" "$content" > "$output" + printf "%s" "${!var}" } +consumeEntire() { + # read returns non-0 on EOF, so we want read to fail + if IFS='' read -r -N 0 $1; then + echo "consumeEntire(): ERROR: Input null bytes, won't process" >&2 + return 1 + fi +} + +substitute() { + local input="$1" + local output="$2" + shift 2 + + if [ ! -f "$input" ]; then + echo "substitute(): ERROR: file '$input' does not exist" >&2 + return 1 + fi + + local content + consumeEntire content < "$input" + + if [ -e "$output" ]; then chmod +w "$output"; fi + substituteStream content "$@" > "$output" +} substituteInPlace() { local fileName="$1" @@ -704,20 +714,30 @@ substituteInPlace() { substitute "$fileName" "$fileName" "$@" } +_allFlags() { + for varName in $(awk 'BEGIN { for (v in ENVIRON) if (v ~ /^[a-z][a-zA-Z0-9_]*$/) print v }'); do + if (( "${NIX_DEBUG:-0}" >= 1 )); then + printf "@%s@ -> %q\n" "${varName}" "${!varName}" + fi + args+=("--subst-var" "$varName") + done +} + +substituteAllStream() { + local -a args=() + _allFlags + + substituteStream "$1" "${args[@]}" +} # Substitute all environment variables that start with a lowercase character and # are valid Bash names. substituteAll() { local input="$1" local output="$2" - local -a args=() - for varName in $(awk 'BEGIN { for (v in ENVIRON) if (v ~ /^[a-z][a-zA-Z0-9_]*$/) print v }'); do - if (( "${NIX_DEBUG:-0}" >= 1 )); then - printf "@%s@ -> %q\n" "${varName}" "${!varName}" - fi - args+=("--subst-var" "$varName") - done + local -a args=() + _allFlags substitute "$input" "$output" "${args[@]}" } @@ -1111,6 +1131,19 @@ fixupPhase() { substituteAll "$setupHook" "${!outputDev}/nix-support/setup-hook" fi + # TODO(@Ericson2314): Remove after https://github.com/NixOS/nixpkgs/pull/31414 + if [ -n "${setupHooks:-}" ]; then + mkdir -p "${!outputDev}/nix-support" + local hook + for hook in $setupHooks; do + local content + consumeEntire content < "$hook" + substituteAllStream content >> "${!outputDev}/nix-support/setup-hook" + unset -v content + done + unset -v hook + fi + # Propagate user-env packages into the output with binaries, TODO? if [ -n "${propagatedUserEnvPkgs:-}" ]; then |