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What happens if I push all of nixpkgs
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shellcheck shell=bash# shellcheck disable=1090,2154,2123,2034,2178,2048,2068,1091__nixpkgs_setup_set_original=$-set -euset -o pipefail
if [[ -n "${BASH_VERSINFO-}" && "${BASH_VERSINFO-}" -lt 5 ]]; then echo "Detected Bash version that isn't supported by Nixpkgs (${BASH_VERSION})" echo "Please install Bash 5 or greater to continue." exit 1fi
shopt -s inherit_errexit
# $NIX_DEBUG must be a documented integer level, if set, so we can use it safely as an integer.# See the `Verbosity` enum in the Nix source for these levels.if ! [[ -z ${NIX_DEBUG-} || $NIX_DEBUG == [0-7] ]]; then # shellcheck disable=SC2016 printf 'The `NIX_DEBUG` environment variable has an unexpected value: %s\n' "${NIX_DEBUG}" echo "It can only be unset or an integer between 0 and 7." exit 1fi
if [[ ${NIX_DEBUG:-0} -ge 6 ]]; then set -xfi
if [ -f .attrs.sh ] || [[ -n "${NIX_ATTRS_JSON_FILE:-}" ]]; then __structuredAttrs=1 echo "structuredAttrs is enabled"
for outputName in "${!outputs[@]}"; do # ex: out=/nix/store/... export "$outputName=${outputs[$outputName]}" done
# $NIX_ATTRS_JSON_FILE pointed to the wrong location in sandbox # https://github.com/NixOS/nix/issues/6736; please keep around until the # fix reaches *every patch version* that's >= lib/minver.nix if ! [[ -e "${NIX_ATTRS_JSON_FILE:-}" ]]; then export NIX_ATTRS_JSON_FILE="$NIX_BUILD_TOP/.attrs.json" fi if ! [[ -e "${NIX_ATTRS_SH_FILE:-}" ]]; then export NIX_ATTRS_SH_FILE="$NIX_BUILD_TOP/.attrs.sh" fielse __structuredAttrs= : "${outputs:=out}"fi
getAllOutputNames() { if [ -n "$__structuredAttrs" ]; then echo "${!outputs[*]}" else echo "$outputs" fi}
# All provided arguments are joined with a space, then prefixed by the name of the function which invoked `nixLog` (or# the hook name if the caller was an implicit hook), then directed to $NIX_LOG_FD, if it's set.nixLog() { # Return a value explicitly instead of the implicit return of the last command (result of the test). # NOTE: By requiring NIX_LOG_FD be set, we avoid dumping logging inside of nix-shell. [[ -z ${NIX_LOG_FD-} ]] && return 0
# Use the function name of the caller, unless it is _callImplicitHook, in which case use the name of the hook. local callerName="${FUNCNAME[1]}" if [[ $callerName == "_callImplicitHook" ]]; then callerName="${hookName:?}" fi printf "%s: %s\n" "$callerName" "$*" >&"$NIX_LOG_FD"}
# Identical to nixLog, but additionally prefixed by the logLevel.# NOTE: This function is only every meant to be called from the nix*Log family of functions._nixLogWithLevel() { # Return a value explicitly instead of the implicit return of the last command (result of the test). # NOTE: By requiring NIX_LOG_FD be set, we avoid dumping logging inside of nix-shell. [[ -z ${NIX_LOG_FD-} || ${NIX_DEBUG:-0} -lt ${1:?} ]] && return 0
local logLevel case "${1:?}" in 0) logLevel=ERROR ;; 1) logLevel=WARN ;; 2) logLevel=NOTICE ;; 3) logLevel=INFO ;; 4) logLevel=TALKATIVE ;; 5) logLevel=CHATTY ;; 6) logLevel=DEBUG ;; 7) logLevel=VOMIT ;; *) echo "_nixLogWithLevel: called with invalid log level: ${1:?}" >&"$NIX_LOG_FD" return 1 ;; esac
# Use the function name of the caller, unless it is _callImplicitHook, in which case use the name of the hook. # NOTE: Our index into FUNCNAME is 2, not 1, because we are only ever to be called from the nix*Log family of # functions, never directly. local callerName="${FUNCNAME[2]}" if [[ $callerName == "_callImplicitHook" ]]; then callerName="${hookName:?}" fi
# Use the function name of the caller's caller, since we should only every be invoked by nix*Log functions. printf "%s: %s: %s\n" "$logLevel" "$callerName" "${2:?}" >&"$NIX_LOG_FD"}
# All provided arguments are joined with a space then directed to $NIX_LOG_FD, if it's set.# Corresponds to `Verbosity::lvlError` in the Nix source.nixErrorLog() { _nixLogWithLevel 0 "$*"}
# All provided arguments are joined with a space then directed to $NIX_LOG_FD, if it's set.# Corresponds to `Verbosity::lvlWarn` in the Nix source.nixWarnLog() { _nixLogWithLevel 1 "$*"}
# All provided arguments are joined with a space then directed to $NIX_LOG_FD, if it's set.# Corresponds to `Verbosity::lvlNotice` in the Nix source.nixNoticeLog() { _nixLogWithLevel 2 "$*"}
# All provided arguments are joined with a space then directed to $NIX_LOG_FD, if it's set.# Corresponds to `Verbosity::lvlInfo` in the Nix source.nixInfoLog() { _nixLogWithLevel 3 "$*"}
# All provided arguments are joined with a space then directed to $NIX_LOG_FD, if it's set.# Corresponds to `Verbosity::lvlTalkative` in the Nix source.nixTalkativeLog() { _nixLogWithLevel 4 "$*"}
# All provided arguments are joined with a space then directed to $NIX_LOG_FD, if it's set.# Corresponds to `Verbosity::lvlChatty` in the Nix source.nixChattyLog() { _nixLogWithLevel 5 "$*"}
# All provided arguments are joined with a space then directed to $NIX_LOG_FD, if it's set.# Corresponds to `Verbosity::lvlDebug` in the Nix source.nixDebugLog() { _nixLogWithLevel 6 "$*"}
# All provided arguments are joined with a space then directed to $NIX_LOG_FD, if it's set.# Corresponds to `Verbosity::lvlVomit` in the Nix source.nixVomitLog() { _nixLogWithLevel 7 "$*"}
# Log a hook, to be run before the hook is actually called.# logging for "implicit" hooks -- the ones specified directly# in derivation's arguments -- is done in _callImplicitHook instead._logHook() { # Fast path in case nixTalkativeLog is no-op. if [[ -z ${NIX_LOG_FD-} ]]; then return fi
local hookKind="$1" local hookExpr="$2" shift 2
if declare -F "$hookExpr" > /dev/null 2>&1; then nixTalkativeLog "calling '$hookKind' function hook '$hookExpr'" "$@" elif type -p "$hookExpr" > /dev/null; then nixTalkativeLog "sourcing '$hookKind' script hook '$hookExpr'" elif [[ "$hookExpr" != "_callImplicitHook"* ]]; then # Here we have a string hook to eval. # Join lines onto one with literal \n characters unless NIX_DEBUG >= 5. local exprToOutput if [[ ${NIX_DEBUG:-0} -ge 5 ]]; then exprToOutput="$hookExpr" else # We have `r'\n'.join([line.lstrip() for lines in text.split('\n')])` at home. local hookExprLine while IFS= read -r hookExprLine; do # These lines often have indentation, # so let's remove leading whitespace. hookExprLine="${hookExprLine#"${hookExprLine%%[![:space:]]*}"}" # If this line wasn't entirely whitespace, # then add it to our output if [[ -n "$hookExprLine" ]]; then exprToOutput+="$hookExprLine\\n " fi done <<< "$hookExpr"
# And then remove the final, unnecessary, \n exprToOutput="${exprToOutput%%\\n }" fi nixTalkativeLog "evaling '$hookKind' string hook '$exprToOutput'" fi}
####################################################################### Hook handling.
# Run all hooks with the specified name in the order in which they# were added, stopping if any fails (returns a non-zero exit# code). The hooks for <hookName> are the shell function or variable# <hookName>, and the values of the shell array ‘<hookName>Hooks’.runHook() { local hookName="$1" shift local hooksSlice="${hookName%Hook}Hooks[@]"
local hook # Hack around old bash being bad and thinking empty arrays are # undefined. for hook in "_callImplicitHook 0 $hookName" ${!hooksSlice+"${!hooksSlice}"}; do _logHook "$hookName" "$hook" "$@" _eval "$hook" "$@" done
return 0}
# Run all hooks with the specified name, until one succeeds (returns a# zero exit code). If none succeed, return a non-zero exit code.runOneHook() { local hookName="$1" shift local hooksSlice="${hookName%Hook}Hooks[@]"
local hook ret=1 # Hack around old bash like above for hook in "_callImplicitHook 1 $hookName" ${!hooksSlice+"${!hooksSlice}"}; do _logHook "$hookName" "$hook" "$@" if _eval "$hook" "$@"; then ret=0 break fi done
return "$ret"}
# Run the named hook, either by calling the function with that name or# by evaluating the variable with that name. This allows convenient# setting of hooks both from Nix expressions (as attributes /# environment variables) and from shell scripts (as functions). If you# want to allow multiple hooks, use runHook instead._callImplicitHook() { local def="$1" local hookName="$2" if declare -F "$hookName" > /dev/null; then nixTalkativeLog "calling implicit '$hookName' function hook" "$hookName" elif type -p "$hookName" > /dev/null; then nixTalkativeLog "sourcing implicit '$hookName' script hook" source "$hookName" elif [ -n "${!hookName:-}" ]; then nixTalkativeLog "evaling implicit '$hookName' string hook" eval "${!hookName}" else return "$def" fi # `_eval` expects hook to need nounset disable and leave it # disabled anyways, so Ok to to delegate. The alternative of a # return trap is no good because it would affect nested returns.}
# A function wrapper around ‘eval’ that ensures that ‘return’ inside# hooks exits the hook, not the caller. Also will only pass args if# command can take them_eval() { if declare -F "$1" > /dev/null 2>&1; then "$@" # including args else eval "$1" fi}
####################################################################### Logging.
# Prints a command such that all word splits are unambiguous. We need# to split the command in three parts because the middle format string# will be, and must be, repeated for each argument. The first argument# goes before the ':' and is just for convenience.echoCmd() { printf "%s:" "$1" shift printf ' %q' "$@" echo}
####################################################################### Error handling.
exitHandler() { exitCode="$?" set +e
if [ -n "${showBuildStats:-}" ]; then read -r -d '' -a buildTimes < <(times) echo "build times:" echo "user time for the shell ${buildTimes[0]}" echo "system time for the shell ${buildTimes[1]}" echo "user time for all child processes ${buildTimes[2]}" echo "system time for all child processes ${buildTimes[3]}" fi
if (( "$exitCode" != 0 )); then runHook failureHook
# If the builder had a non-zero exit code and # $succeedOnFailure is set, create the file # ‘$out/nix-support/failed’ to signal failure, and exit # normally. Otherwise, return the original exit code. if [ -n "${succeedOnFailure:-}" ]; then echo "build failed with exit code $exitCode (ignored)" mkdir -p "$out/nix-support" printf "%s" "$exitCode" > "$out/nix-support/failed" exit 0 fi
else runHook exitHook fi
return "$exitCode"}
trap "exitHandler" EXIT
####################################################################### Helper functions.
addToSearchPathWithCustomDelimiter() { local delimiter="$1" local varName="$2" local dir="$3" if [[ -d "$dir" && "${!varName:+${delimiter}${!varName}${delimiter}}" \ != *"${delimiter}${dir}${delimiter}"* ]]; then export "${varName}=${!varName:+${!varName}${delimiter}}${dir}" fi}
addToSearchPath() { addToSearchPathWithCustomDelimiter ":" "$@"}
# Prepend elements to variable "$1", which may come from an attr.## This is useful in generic setup code, which must (for now) support# both derivations with and without __structuredAttrs true, so the# variable may be an array or a space-separated string.## Expressions for individual packages should simply switch to array# syntax when they switch to setting __structuredAttrs = true.prependToVar() { local -n nameref="$1" local useArray type
if [ -n "$__structuredAttrs" ]; then useArray=true else useArray=false fi
# check if variable already exist and if it does then do extra checks if type=$(declare -p "$1" 2> /dev/null); then case "${type#* }" in -A*) echo "prependToVar(): ERROR: trying to use prependToVar on an associative array." >&2 return 1 ;; -a*) useArray=true ;; *) useArray=false ;; esac fi
shift
if $useArray; then nameref=( "$@" ${nameref+"${nameref[@]}"} ) else nameref="$* ${nameref-}" fi}
# Same as aboveappendToVar() { local -n nameref="$1" local useArray type
if [ -n "$__structuredAttrs" ]; then useArray=true else useArray=false fi
# check if variable already exist and if it does then do extra checks if type=$(declare -p "$1" 2> /dev/null); then case "${type#* }" in -A*) echo "appendToVar(): ERROR: trying to use appendToVar on an associative array, use variable+=([\"X\"]=\"Y\") instead." >&2 return 1 ;; -a*) useArray=true ;; *) useArray=false ;; esac fi
shift
if $useArray; then nameref=( ${nameref+"${nameref[@]}"} "$@" ) else nameref="${nameref-} $*" fi}
# Accumulate flags from the named variables $2+ into the indexed array $1.## Arrays are simply concatenated, strings are split on whitespace.# Default values can be passed via name=default.concatTo() { local - set -o noglob local -n targetref="$1"; shift local arg default name type for arg in "$@"; do IFS="=" read -r name default <<< "$arg" local -n nameref="$name" if [[ -z "${nameref[*]}" && -n "$default" ]]; then targetref+=( "$default" ) elif type=$(declare -p "$name" 2> /dev/null); then case "${type#* }" in -A*) echo "concatTo(): ERROR: trying to use concatTo on an associative array." >&2 return 1 ;; -a*) targetref+=( "${nameref[@]}" ) ;; *) if [[ "$name" = *"Array" ]]; then nixErrorLog "concatTo(): $name is not declared as array, treating as a singleton. This will become an error in future" # Reproduces https://github.com/NixOS/nixpkgs/pull/318614/files#diff-7c7ca80928136cfc73a02d5b28350bd900e331d6d304857053ffc9f7beaad576L359 targetref+=( ${nameref+"${nameref[@]}"} ) else # shellcheck disable=SC2206 targetref+=( ${nameref-} ) fi ;; esac fi done}
# Concatenate a list of strings ($2) with a separator ($1) between each element.# The list can be an indexed array of strings or a single string. A single string# is split on spaces and then concatenated with the separator.## $ flags="lorem ipsum dolor sit amet"# $ concatStringsSep ";" flags# lorem;ipsum;dolor;sit;amet## $ flags=("lorem ipsum" "dolor" "sit amet")# $ concatStringsSep ";" flags# lorem ipsum;dolor;sit amet## Also supports multi-character separators;# $ flags=("lorem ipsum" "dolor" "sit amet")# $ concatStringsSep " and " flags# lorem ipsum and dolor and sit ametconcatStringsSep() { local sep="$1" local name="$2" local type oldifs if type=$(declare -p "$name" 2> /dev/null); then local -n nameref="$name" case "${type#* }" in -A*) echo "concatStringsSep(): ERROR: trying to use concatStringsSep on an associative array." >&2 return 1 ;; -a*) # \036 is the "record separator" character. We assume that this will never need to be part of # an argument string we create here. If anyone ever hits this limitation: Feel free to refactor. # To avoid leaking an unescaped rs character when dumping the environment with nix, we use printf # in a subshell. local IFS="$(printf '\036')" ;; *) local IFS=" " ;;
esac local ifs_separated="${nameref[*]}" echo -n "${ifs_separated//"$IFS"/"$sep"}" fi}
# Add $1/lib* into rpaths.# The function is used in multiple-outputs.sh hook,# so it is defined here but tried after the hook._addRpathPrefix() { if [ "${NIX_NO_SELF_RPATH:-0}" != 1 ]; then export NIX_LDFLAGS="-rpath $1/lib ${NIX_LDFLAGS-}" fi}
# Return success if the specified file is an ELF object.isELF() { local fn="$1" local fd local magic exec {fd}< "$fn" read -r -n 4 -u "$fd" magic exec {fd}<&- if [ "$magic" = $'\177ELF' ]; then return 0; else return 1; fi}
# Return success if the specified file is a Mach-O object.isMachO() { local fn="$1" local fd local magic exec {fd}< "$fn" read -r -n 4 -u "$fd" magic exec {fd}<&-
# nix uses 'declare -F' in get-env.sh to retrieve the loaded functions. # If we use the $'string' syntax instead of 'echo -ne' then 'declare' will print the raw characters and break nix. # See https://github.com/NixOS/nixpkgs/pull/138334 and https://github.com/NixOS/nix/issues/5262.
# https://opensource.apple.com/source/lldb/lldb-310.2.36/examples/python/mach_o.py.auto.html if [[ "$magic" = $(echo -ne "\xfe\xed\xfa\xcf") || "$magic" = $(echo -ne "\xcf\xfa\xed\xfe") ]]; then # MH_MAGIC_64 || MH_CIGAM_64 return 0; elif [[ "$magic" = $(echo -ne "\xfe\xed\xfa\xce") || "$magic" = $(echo -ne "\xce\xfa\xed\xfe") ]]; then # MH_MAGIC || MH_CIGAM return 0; elif [[ "$magic" = $(echo -ne "\xca\xfe\xba\xbe") || "$magic" = $(echo -ne "\xbe\xba\xfe\xca") ]]; then # FAT_MAGIC || FAT_CIGAM return 0; else return 1; fi}
# Return success if the specified file is a script (i.e. starts with# "#!").isScript() { local fn="$1" local fd local magic exec {fd}< "$fn" read -r -n 2 -u "$fd" magic exec {fd}<&- if [[ "$magic" =~ \#! ]]; then return 0; else return 1; fi}
# printf unfortunately will print a trailing newline regardlessprintLines() { (( "$#" > 0 )) || return 0 printf '%s\n' "$@"}
printWords() { (( "$#" > 0 )) || return 0 printf '%s ' "$@"}
####################################################################### Initialisation.
# If using structured attributes, export variables from `env` to the environment.# When not using structured attributes, those variables are already exported.if [[ -n $__structuredAttrs ]]; then for envVar in "${!env[@]}"; do declare -x "${envVar}=${env[${envVar}]}" donefi
# Set a fallback default value for SOURCE_DATE_EPOCH, used by some build tools# to provide a deterministic substitute for the "current" time. Note that# 315532800 = 1980-01-01 12:00:00. We use this date because python's wheel# implementation uses zip archive and zip does not support dates going back to# 1970.export SOURCE_DATE_EPOCH: "${SOURCE_DATE_EPOCH:=315532800}"
# Wildcard expansions that don't match should expand to an empty list.# This ensures that, for instance, "for i in *; do ...; done" does the# right thing.shopt -s nullglob
# Set up the initial path.PATH=HOST_PATH=for i in $initialPath; do if [ "$i" = / ]; then i=; fi addToSearchPath PATH "$i/bin"
# For backward compatibility, we add initial path to HOST_PATH so # it can be used in auto patch-shebangs. Unfortunately this will # not work with cross compilation. if [ -z "${strictDeps-}" ]; then addToSearchPath HOST_PATH "$i/bin" fidone
unset i
nixWarnLog "initial path: $PATH"
# Check that the pre-hook initialised SHELL.if [ -z "${SHELL:-}" ]; then echo "SHELL not set"; exit 1; fiBASH="$SHELL"export CONFIG_SHELL="$SHELL"
# Execute the pre-hook.if [ -z "${shell:-}" ]; then export shell="$SHELL"; firunHook preHook
# Allow the caller to augment buildInputs (it's not always possible to# do this before the call to setup.sh, since the PATH is empty at that# point; here we have a basic Unix environment).runHook addInputsHook
# Package accumulators
declare -a pkgsBuildBuild pkgsBuildHost pkgsBuildTargetdeclare -a pkgsHostHost pkgsHostTargetdeclare -a pkgsTargetTarget
declare -a pkgBuildAccumVars=(pkgsBuildBuild pkgsBuildHost pkgsBuildTarget)declare -a pkgHostAccumVars=(pkgsHostHost pkgsHostTarget)declare -a pkgTargetAccumVars=(pkgsTargetTarget)
declare -a pkgAccumVarVars=(pkgBuildAccumVars pkgHostAccumVars pkgTargetAccumVars)
# Hooks
declare -a envBuildBuildHooks envBuildHostHooks envBuildTargetHooksdeclare -a envHostHostHooks envHostTargetHooksdeclare -a envTargetTargetHooks
declare -a pkgBuildHookVars=(envBuildBuildHook envBuildHostHook envBuildTargetHook)declare -a pkgHostHookVars=(envHostHostHook envHostTargetHook)declare -a pkgTargetHookVars=(envTargetTargetHook)
declare -a pkgHookVarVars=(pkgBuildHookVars pkgHostHookVars pkgTargetHookVars)
# those variables are declared here, since where and if they are used variesdeclare -a preFixupHooks fixupOutputHooks preConfigureHooks postFixupHooks postUnpackHooks unpackCmdHooks
# Add env hooks for all sorts of deps with the specified host offset.addEnvHooks() { local depHostOffset="$1" shift local pkgHookVarsSlice="${pkgHookVarVars[$depHostOffset + 1]}[@]" local pkgHookVar for pkgHookVar in "${!pkgHookVarsSlice}"; do eval "${pkgHookVar}s"'+=("$@")' done}
# Propagated dep files
declare -a propagatedBuildDepFiles=( propagated-build-build-deps propagated-native-build-inputs # Legacy name for back-compat propagated-build-target-deps)declare -a propagatedHostDepFiles=( propagated-host-host-deps propagated-build-inputs # Legacy name for back-compat)declare -a propagatedTargetDepFiles=( propagated-target-target-deps)declare -a propagatedDepFilesVars=( propagatedBuildDepFiles propagatedHostDepFiles propagatedTargetDepFiles)
# Platform offsets: build = -1, host = 0, target = 1declare -a allPlatOffsets=(-1 0 1)
# Mutually-recursively find all build inputs. See the dependency section of the# stdenv chapter of the Nixpkgs manual for the specification this algorithm# implements.findInputs() { local -r pkg="$1" local -r hostOffset="$2" local -r targetOffset="$3"
# Sanity check (( hostOffset <= targetOffset )) || exit 1
# shellcheck disable=SC1087 local varVar="${pkgAccumVarVars[hostOffset + 1]}" # shellcheck disable=SC1087 local varRef="$varVar[$((targetOffset - hostOffset))]" local var="${!varRef}" unset -v varVar varRef
# TODO(@Ericson2314): Restore using associative array once Darwin # nix-shell doesn't use impure bash. This should replace the O(n) # case with an O(1) hash map lookup, assuming bash is implemented # well :D. # shellcheck disable=SC1087 local varSlice="$var[*]" # ${..-} to hack around old bash empty array problem case " ${!varSlice-} " in *" $pkg "*) return 0 ;; esac unset -v varSlice
eval "$var"'+=("$pkg")'
if ! [ -e "$pkg" ]; then echo "build input $pkg does not exist" >&2 exit 1 fi
# The current package's host and target offset together # provide a <=-preserving homomorphism from the relative # offsets to current offset function mapOffset() { local -r inputOffset="$1" local -n outputOffset="$2" if (( inputOffset <= 0 )); then outputOffset=$((inputOffset + hostOffset)) else outputOffset=$((inputOffset - 1 + targetOffset)) fi }
# Host offset relative to that of the package whose immediate # dependencies we are currently exploring. local relHostOffset for relHostOffset in "${allPlatOffsets[@]}"; do # `+ 1` so we start at 0 for valid index local files="${propagatedDepFilesVars[relHostOffset + 1]}"
# Host offset relative to the package currently being # built---as absolute an offset as will be used. local hostOffsetNext mapOffset "$relHostOffset" hostOffsetNext
# Ensure we're in bounds relative to the package currently # being built. (( -1 <= hostOffsetNext && hostOffsetNext <= 1 )) || continue
# Target offset relative to the *host* offset of the package # whose immediate dependencies we are currently exploring. local relTargetOffset for relTargetOffset in "${allPlatOffsets[@]}"; do (( "$relHostOffset" <= "$relTargetOffset" )) || continue
local fileRef="${files}[$relTargetOffset - $relHostOffset]" local file="${!fileRef}" unset -v fileRef
# Target offset relative to the package currently being # built. local targetOffsetNext mapOffset "$relTargetOffset" targetOffsetNext
# Once again, ensure we're in bounds relative to the # package currently being built. (( -1 <= hostOffsetNext && hostOffsetNext <= 1 )) || continue
[[ -f "$pkg/nix-support/$file" ]] || continue
local pkgNext read -r -d '' pkgNext < "$pkg/nix-support/$file" || true for pkgNext in $pkgNext; do findInputs "$pkgNext" "$hostOffsetNext" "$targetOffsetNext" done done done}
# The way we handle deps* and *Inputs works with structured attrs# either enabled or disabled. For this it's convenient that the items# in each list must be store paths, and therefore space-free.
# Make sure all are at least defined as empty: "${depsBuildBuild=}" "${depsBuildBuildPropagated=}": "${nativeBuildInputs=}" "${propagatedNativeBuildInputs=}" "${defaultNativeBuildInputs=}": "${depsBuildTarget=}" "${depsBuildTargetPropagated=}": "${depsHostHost=}" "${depsHostHostPropagated=}": "${buildInputs=}" "${propagatedBuildInputs=}" "${defaultBuildInputs=}": "${depsTargetTarget=}" "${depsTargetTargetPropagated=}"
for pkg in ${depsBuildBuild[@]} ${depsBuildBuildPropagated[@]}; do findInputs "$pkg" -1 -1donefor pkg in ${nativeBuildInputs[@]} ${propagatedNativeBuildInputs[@]}; do findInputs "$pkg" -1 0donefor pkg in ${depsBuildTarget[@]} ${depsBuildTargetPropagated[@]}; do findInputs "$pkg" -1 1donefor pkg in ${depsHostHost[@]} ${depsHostHostPropagated[@]}; do findInputs "$pkg" 0 0donefor pkg in ${buildInputs[@]} ${propagatedBuildInputs[@]} ; do findInputs "$pkg" 0 1donefor pkg in ${depsTargetTarget[@]} ${depsTargetTargetPropagated[@]}; do findInputs "$pkg" 1 1done# Default inputs must be processed lastfor pkg in ${defaultNativeBuildInputs[@]}; do findInputs "$pkg" -1 0donefor pkg in ${defaultBuildInputs[@]}; do findInputs "$pkg" 0 1done
# Add package to the future PATH and run setup hooksactivatePackage() { local pkg="$1" local -r hostOffset="$2" local -r targetOffset="$3"
# Sanity check (( hostOffset <= targetOffset )) || exit 1
if [ -f "$pkg" ]; then nixTalkativeLog "sourcing setup hook '$pkg'" source "$pkg" fi
# Only dependencies whose host platform is guaranteed to match the # build platform are included here. That would be `depsBuild*`, # and legacy `nativeBuildInputs`, in general. If we aren't cross # compiling, however, everything can be put on the PATH. To ease # the transition, we do include everything in that case. # # TODO(@Ericson2314): Don't special-case native compilation if [[ -z "${strictDeps-}" || "$hostOffset" -le -1 ]]; then addToSearchPath _PATH "$pkg/bin" fi
if (( hostOffset <= -1 )); then addToSearchPath _XDG_DATA_DIRS "$pkg/share" fi
if [[ "$hostOffset" -eq 0 && -d "$pkg/bin" ]]; then addToSearchPath _HOST_PATH "$pkg/bin" fi
if [[ -f "$pkg/nix-support/setup-hook" ]]; then nixTalkativeLog "sourcing setup hook '$pkg/nix-support/setup-hook'" source "$pkg/nix-support/setup-hook" fi}
_activatePkgs() { local hostOffset targetOffset local pkg
for hostOffset in "${allPlatOffsets[@]}"; do local pkgsVar="${pkgAccumVarVars[hostOffset + 1]}" for targetOffset in "${allPlatOffsets[@]}"; do (( hostOffset <= targetOffset )) || continue local pkgsRef="${pkgsVar}[$targetOffset - $hostOffset]" local pkgsSlice="${!pkgsRef}[@]" for pkg in ${!pkgsSlice+"${!pkgsSlice}"}; do activatePackage "$pkg" "$hostOffset" "$targetOffset" done done done}
# Run the package setup hooks and build _PATH_activatePkgs
# Set the relevant environment variables to point to the build inputs# found above.## These `depOffset`s, beyond indexing the arrays, also tell the env# hook what sort of dependency (ignoring propagatedness) is being# passed to the env hook. In a real language, we'd append a closure# with this information to the relevant env hook array, but bash# doesn't have closures, so it's easier to just pass this in._addToEnv() { local depHostOffset depTargetOffset local pkg
for depHostOffset in "${allPlatOffsets[@]}"; do local hookVar="${pkgHookVarVars[depHostOffset + 1]}" local pkgsVar="${pkgAccumVarVars[depHostOffset + 1]}" for depTargetOffset in "${allPlatOffsets[@]}"; do (( depHostOffset <= depTargetOffset )) || continue local hookRef="${hookVar}[$depTargetOffset - $depHostOffset]" if [[ -z "${strictDeps-}" ]]; then
# Keep track of which packages we have visited before. local visitedPkgs=""
# Apply environment hooks to all packages during native # compilation to ease the transition. # # TODO(@Ericson2314): Don't special-case native compilation for pkg in \ "${pkgsBuildBuild[@]}" \ "${pkgsBuildHost[@]}" \ "${pkgsBuildTarget[@]}" \ "${pkgsHostHost[@]}" \ "${pkgsHostTarget[@]}" \ "${pkgsTargetTarget[@]}" do if [[ "$visitedPkgs" = *"$pkg"* ]]; then continue fi runHook "${!hookRef}" "$pkg" visitedPkgs+=" $pkg" done else local pkgsRef="${pkgsVar}[$depTargetOffset - $depHostOffset]" local pkgsSlice="${!pkgsRef}[@]" for pkg in ${!pkgsSlice+"${!pkgsSlice}"}; do runHook "${!hookRef}" "$pkg" done fi done done}
# Run the package-specific hooks set by the setup-hook scripts._addToEnv
# Unset setup-specific declared variablesunset allPlatOffsetsunset pkgBuildAccumVars pkgHostAccumVars pkgTargetAccumVars pkgAccumVarVarsunset pkgBuildHookVars pkgHostHookVars pkgTargetHookVars pkgHookVarVarsunset propagatedDepFilesVars
_addRpathPrefix "$out"
# Set the TZ (timezone) environment variable, otherwise commands like# `date' will complain (e.g., `Tue Mar 9 10:01:47 Local time zone must# be set--see zic manual page 2004').export TZ=UTC
# Set the prefix. This is generally $out, but it can be overriden,# for instance if we just want to perform a test build/install to a# temporary location and write a build report to $out.if [ -z "${prefix:-}" ]; then prefix="$out";fi
if [ "${useTempPrefix:-}" = 1 ]; then prefix="$NIX_BUILD_TOP/tmp_prefix";fi
PATH="${_PATH-}${_PATH:+${PATH:+:}}$PATH"HOST_PATH="${_HOST_PATH-}${_HOST_PATH:+${HOST_PATH:+:}}$HOST_PATH"export XDG_DATA_DIRS="${_XDG_DATA_DIRS-}${_XDG_DATA_DIRS:+${XDG_DATA_DIRS:+:}}${XDG_DATA_DIRS-}"
nixWarnLog "final path: $PATH"nixWarnLog "final host path: $HOST_PATH"nixWarnLog "final data dirs: $XDG_DATA_DIRS"
unset _PATHunset _HOST_PATHunset _XDG_DATA_DIRS
# Normalize the NIX_BUILD_CORES variable. The value might be 0, which# means that we're supposed to try and auto-detect the number of# available CPU cores at run-time.
NIX_BUILD_CORES="${NIX_BUILD_CORES:-1}"if ((NIX_BUILD_CORES <= 0)); then guess=$(nproc 2>/dev/null || true) ((NIX_BUILD_CORES = guess <= 0 ? 1 : guess))fiexport NIX_BUILD_CORES
# Prevent SSL libraries from using certificates in /etc/ssl, unless set explicitly.# Leave it in impure shells for convenience.if [[ -z "${NIX_SSL_CERT_FILE:-}" && "${IN_NIX_SHELL:-}" != "impure" ]]; then export NIX_SSL_CERT_FILE=/no-cert-file.crtfi# Another variant left for compatibility.if [[ -z "${SSL_CERT_FILE:-}" && "${IN_NIX_SHELL:-}" != "impure" ]]; then export SSL_CERT_FILE=/no-cert-file.crtfi
####################################################################### Textual substitution functions.
# only log once, due to max logging limit on hydra_substituteStream_has_warned_replace_deprecation=false
substituteStream() { local var=$1 local description=$2 shift 2
while (( "$#" )); do local replace_mode="$1" case "$1" in --replace) # deprecated 2023-11-22 # this will either get removed, or switch to the behaviour of --replace-fail in the future if ! "$_substituteStream_has_warned_replace_deprecation"; then echo "substituteStream() in derivation $name: WARNING: '--replace' is deprecated, use --replace-{fail,warn,quiet}. ($description)" >&2 _substituteStream_has_warned_replace_deprecation=true fi replace_mode='--replace-warn' ;& --replace-quiet|--replace-warn|--replace-fail) pattern="$2" replacement="$3" shift 3 if ! [[ "${!var}" == *"$pattern"* ]]; then if [ "$replace_mode" == --replace-warn ]; then printf "substituteStream() in derivation $name: WARNING: pattern %q doesn't match anything in %s\n" "$pattern" "$description" >&2 elif [ "$replace_mode" == --replace-fail ]; then printf "substituteStream() in derivation $name: ERROR: pattern %q doesn't match anything in %s\n" "$pattern" "$description" >&2 return 1 fi fi eval "$var"'=${'"$var"'//"$pattern"/"$replacement"}' ;;
--subst-var) local varName="$2" shift 2 # check if the used nix attribute name is a valid bash name if ! [[ "$varName" =~ ^[a-zA-Z_][a-zA-Z0-9_]*$ ]]; then echo "substituteStream() in derivation $name: ERROR: substitution variables must be valid Bash names, \"$varName\" isn't." >&2 return 1 fi if [ -z ${!varName+x} ]; then echo "substituteStream() in derivation $name: ERROR: variable \$$varName is unset" >&2 return 1 fi pattern="@$varName@" replacement="${!varName}" eval "$var"'=${'"$var"'//"$pattern"/"$replacement"}' ;;
--subst-var-by) pattern="@$2@" replacement="$3" eval "$var"'=${'"$var"'//"$pattern"/"$replacement"}' shift 3 ;;
*) echo "substituteStream() in derivation $name: ERROR: Invalid command line argument: $1" >&2 return 1 ;; esac done
printf "%s" "${!var}"}
# put the content of a file in a variable# fail loudly if provided with a binary (containing null bytes)consumeEntire() { # read returns non-0 on EOF, so we want read to fail if IFS='' read -r -d '' "$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 "file '$input'" "$@" > "$output"}
substituteInPlace() { local -a fileNames=() for arg in "$@"; do if [[ "$arg" = "--"* ]]; then break fi fileNames+=("$arg") shift done if ! [[ "${#fileNames[@]}" -gt 0 ]]; then echo >&2 "substituteInPlace called without any files to operate on (files must come before options!)" return 1 fi
for file in "${fileNames[@]}"; do substitute "$file" "$file" "$@" done}
_allFlags() { # Export some local variables for the `awk` below so some substitutions (such as name) # don't have to be in the env attrset when `__structuredAttrs` is enabled. export system pname name version while IFS='' read -r varName; do nixTalkativeLog "@${varName}@ -> ${!varName}" args+=("--subst-var" "$varName") done < <(awk 'BEGIN { for (v in ENVIRON) if (v ~ /^[a-z][a-zA-Z0-9_]*$/) print v }')}
substituteAllStream() { local -a args=() _allFlags
substituteStream "$1" "$2" "${args[@]}"}
# Substitute all environment variables that start with a lowercase character and# are valid Bash names.substituteAll() { local input="$1" local output="$2"
local -a args=() _allFlags
substitute "$input" "$output" "${args[@]}"}
substituteAllInPlace() { local fileName="$1" shift substituteAll "$fileName" "$fileName" "$@"}
####################################################################### What follows is the generic builder.
# This function is useful for debugging broken Nix builds. It dumps# all environment variables to a file `env-vars' in the build# directory. If the build fails and the `-K' option is used, you can# then go to the build directory and source in `env-vars' to reproduce# the environment used for building.dumpVars() { if [ "${noDumpEnvVars:-0}" != 1 ]; then # Don't use `install` here to prevent executing a process each time.
# Set umask to create env-vars file with 0600 permissions (owner read/write only) local old_umask old_umask=$(umask) umask 0077
# Dump all environment variables to the env-vars file export 2>/dev/null > "$NIX_BUILD_TOP/env-vars"
# Restore original umask umask "$old_umask" fi}
# Utility function: echo the base name of the given path, with the# prefix `HASH-' removed, if present.stripHash() { local strippedName casematchOpt=0 # On separate line for `set -e` strippedName="$(basename -- "$1")" shopt -q nocasematch && casematchOpt=1 shopt -u nocasematch if [[ "$strippedName" =~ ^[a-z0-9]{32}- ]]; then echo "${strippedName:33}" else echo "$strippedName" fi if (( casematchOpt )); then shopt -s nocasematch; fi}
recordPropagatedDependencies() { # Propagate dependencies into the development output. declare -ra flatVars=( # Build depsBuildBuildPropagated propagatedNativeBuildInputs depsBuildTargetPropagated # Host depsHostHostPropagated propagatedBuildInputs # Target depsTargetTargetPropagated ) declare -ra flatFiles=( "${propagatedBuildDepFiles[@]}" "${propagatedHostDepFiles[@]}" "${propagatedTargetDepFiles[@]}" )
local propagatedInputsIndex for propagatedInputsIndex in "${!flatVars[@]}"; do local propagatedInputsSlice="${flatVars[$propagatedInputsIndex]}[@]" local propagatedInputsFile="${flatFiles[$propagatedInputsIndex]}"
[[ "${!propagatedInputsSlice}" ]] || continue
mkdir -p "${!outputDev}/nix-support" # shellcheck disable=SC2086 printWords ${!propagatedInputsSlice} > "${!outputDev}/nix-support/$propagatedInputsFile" done}
unpackCmdHooks+=(_defaultUnpack)_defaultUnpack() { local fn="$1" local destination
if [ -d "$fn" ]; then
destination="$(stripHash "$fn")"
if [ -e "$destination" ]; then echo "Cannot copy $fn to $destination: destination already exists!" echo "Did you specify two \"srcs\" with the same \"name\"?" return 1 fi
# We can't preserve hardlinks because they may have been # introduced by store optimization, which might break things # in the build. cp -r --preserve=timestamps --reflink=auto -- "$fn" "$destination"
else
case "$fn" in *.tar.xz | *.tar.lzma | *.txz) # Don't rely on tar knowing about .xz. # Additionally, we have multiple different xz binaries with different feature sets in different # stages. The XZ_OPT env var is only used by the full "XZ utils" implementation, which supports # the --threads (-T) flag. This allows us to enable multithreaded decompression exclusively on # that implementation, without the use of complex bash conditionals and checks. # Since tar does not control the decompression, we need to # disregard the error code from the xz invocation. Otherwise, # it can happen that tar exits earlier, causing xz to fail # from a SIGPIPE. (XZ_OPT="--threads=$NIX_BUILD_CORES" xz -d < "$fn"; true) | tar xf - --mode=+w --warning=no-timestamp ;; *.tar | *.tar.* | *.tgz | *.tbz2 | *.tbz) # GNU tar can automatically select the decompression method # (info "(tar) gzip"). tar xf "$fn" --mode=+w --warning=no-timestamp ;; *) return 1 ;; esac
fi}
unpackFile() { curSrc="$1" echo "unpacking source archive $curSrc" if ! runOneHook unpackCmd "$curSrc"; then echo "do not know how to unpack source archive $curSrc" exit 1 fi}
unpackPhase() { runHook preUnpack
if [ -z "${srcs:-}" ]; then if [ -z "${src:-}" ]; then # shellcheck disable=SC2016 echo 'variable $src or $srcs should point to the source' exit 1 fi srcs="$src" fi
local -a srcsArray concatTo srcsArray srcs
# To determine the source directory created by unpacking the # source archives, we record the contents of the current # directory, then look below which directory got added. Yeah, # it's rather hacky. local dirsBefore="" for i in *; do if [ -d "$i" ]; then dirsBefore="$dirsBefore $i " fi done
# Unpack all source archives. for i in "${srcsArray[@]}"; do unpackFile "$i" done
# Find the source directory.
# set to empty if unset : "${sourceRoot=}"
if [ -n "${setSourceRoot:-}" ]; then runOneHook setSourceRoot elif [ -z "$sourceRoot" ]; then for i in *; do if [ -d "$i" ]; then case $dirsBefore in *\ $i\ *) ;; *) if [ -n "$sourceRoot" ]; then echo "unpacker produced multiple directories" exit 1 fi sourceRoot="$i" ;; esac fi done fi
if [ -z "$sourceRoot" ]; then echo "unpacker appears to have produced no directories" exit 1 fi
echo "source root is $sourceRoot"
# By default, add write permission to the sources. This is often # necessary when sources have been copied from other store # locations. if [ "${dontMakeSourcesWritable:-0}" != 1 ]; then chmod -R u+w -- "$sourceRoot" fi
runHook postUnpack}
patchPhase() { runHook prePatch
local -a patchesArray concatTo patchesArray patches
local -a flagsArray concatTo flagsArray patchFlags=-p1
for i in "${patchesArray[@]}"; do echo "applying patch $i" local uncompress=cat case "$i" in *.gz) uncompress="gzip -d" ;; *.bz2) uncompress="bzip2 -d" ;; *.xz) uncompress="xz -d" ;; *.lzma) uncompress="lzma -d" ;; esac
# "2>&1" is a hack to make patch fail if the decompressor fails (nonexistent patch, etc.) # shellcheck disable=SC2086 $uncompress < "$i" 2>&1 | patch "${flagsArray[@]}" done
runHook postPatch}
fixLibtool() { local search_path for flag in $NIX_LDFLAGS; do case $flag in -L*) search_path+=" ${flag#-L}" ;; esac done
sed -i "$1" \ -e "s^eval \(sys_lib_search_path=\).*^\1'${search_path:-}'^" \ -e 's^eval sys_lib_.+search_path=.*^^'}
configurePhase() { runHook preConfigure
# set to empty if unset : "${configureScript=}"
if [[ -z "$configureScript" && -x ./configure ]]; then configureScript=./configure fi
if [ -z "${dontFixLibtool:-}" ]; then export lt_cv_deplibs_check_method="${lt_cv_deplibs_check_method-pass_all}" local i find . -iname "ltmain.sh" -print0 | while IFS='' read -r -d '' i; do echo "fixing libtool script $i" fixLibtool "$i" done
# replace `/usr/bin/file` with `file` in any `configure` # scripts with vendored libtool code. Preserve mtimes to # prevent some packages (e.g. libidn2) from spontaneously # autoreconf'ing themselves CONFIGURE_MTIME_REFERENCE=$(mktemp configure.mtime.reference.XXXXXX) find . \ -executable \ -type f \ -name configure \ -exec grep -l 'GNU Libtool is free software; you can redistribute it and/or modify' {} \; \ -exec touch -r {} "$CONFIGURE_MTIME_REFERENCE" \; \ -exec sed -i s_/usr/bin/file_file_g {} \; \ -exec touch -r "$CONFIGURE_MTIME_REFERENCE" {} \; rm -f "$CONFIGURE_MTIME_REFERENCE" fi
if [[ -z "${dontAddPrefix:-}" && -n "$prefix" ]]; then prependToVar configureFlags "${prefixKey:---prefix=}$prefix" fi
if [[ -f "$configureScript" ]]; then # Add --disable-dependency-tracking to speed up some builds. if [ -z "${dontAddDisableDepTrack:-}" ]; then if grep -q dependency-tracking "$configureScript"; then prependToVar configureFlags --disable-dependency-tracking fi fi
# By default, disable static builds. if [ -z "${dontDisableStatic:-}" ]; then if grep -q enable-static "$configureScript"; then prependToVar configureFlags --disable-static fi fi
if [ -z "${dontPatchShebangsInConfigure:-}" ]; then patchShebangs --build "$configureScript" fi fi
if [ -n "$configureScript" ]; then local -a flagsArray concatTo flagsArray configureFlags configureFlagsArray
echoCmd 'configure flags' "${flagsArray[@]}" # shellcheck disable=SC2086 $configureScript "${flagsArray[@]}" unset flagsArray else echo "no configure script, doing nothing" fi
runHook postConfigure}
buildPhase() { runHook preBuild
if [[ -z "${makeFlags-}" && -z "${makefile:-}" && ! ( -e Makefile || -e makefile || -e GNUmakefile ) ]]; then echo "no Makefile or custom buildPhase, doing nothing" else foundMakefile=1
# shellcheck disable=SC2086 local flagsArray=( ${enableParallelBuilding:+-j${NIX_BUILD_CORES}} SHELL="$SHELL" ) concatTo flagsArray makeFlags makeFlagsArray buildFlags buildFlagsArray
echoCmd 'build flags' "${flagsArray[@]}" make ${makefile:+-f $makefile} "${flagsArray[@]}" unset flagsArray fi
runHook postBuild}
checkPhase() { runHook preCheck
if [[ -z "${foundMakefile:-}" ]]; then echo "no Makefile or custom checkPhase, doing nothing" runHook postCheck return fi
if [[ -z "${checkTarget:-}" ]]; then #TODO(@oxij): should flagsArray influence make -n? if make -n ${makefile:+-f $makefile} check >/dev/null 2>&1; then checkTarget="check" elif make -n ${makefile:+-f $makefile} test >/dev/null 2>&1; then checkTarget="test" fi fi
if [[ -z "${checkTarget:-}" ]]; then echo "no check/test target in ${makefile:-Makefile}, doing nothing" else # Old bash empty array hack # shellcheck disable=SC2086 local flagsArray=( ${enableParallelChecking:+-j${NIX_BUILD_CORES}} SHELL="$SHELL" )
concatTo flagsArray makeFlags makeFlagsArray checkFlags=VERBOSE=y checkFlagsArray checkTarget
echoCmd 'check flags' "${flagsArray[@]}" make ${makefile:+-f $makefile} "${flagsArray[@]}"
unset flagsArray fi
runHook postCheck}
installPhase() { runHook preInstall
# Dont reuse 'foundMakefile' set in buildPhase, a makefile may have been created in buildPhase if [[ -z "${makeFlags-}" && -z "${makefile:-}" && ! ( -e Makefile || -e makefile || -e GNUmakefile ) ]]; then echo "no Makefile or custom installPhase, doing nothing" runHook postInstall return else foundMakefile=1 fi
if [ -n "$prefix" ]; then mkdir -p "$prefix" fi
# shellcheck disable=SC2086 local flagsArray=( ${enableParallelInstalling:+-j${NIX_BUILD_CORES}} SHELL="$SHELL" )
concatTo flagsArray makeFlags makeFlagsArray installFlags installFlagsArray installTargets=install
echoCmd 'install flags' "${flagsArray[@]}" make ${makefile:+-f $makefile} "${flagsArray[@]}" unset flagsArray
runHook postInstall}
# The fixup phase performs generic, package-independent stuff, like# stripping binaries, running patchelf and setting# propagated-build-inputs.fixupPhase() { # Make sure everything is writable so "strip" et al. work. local output for output in $(getAllOutputNames); do # for set*id bits see #300635 if [ -e "${!output}" ]; then chmod -R u+w,u-s,g-s "${!output}"; fi done
runHook preFixup
# Apply fixup to each output. local output for output in $(getAllOutputNames); do prefix="${!output}" runHook fixupOutput done
# record propagated dependencies & setup hook into the development output. recordPropagatedDependencies
if [ -n "${setupHook:-}" ]; then mkdir -p "${!outputDev}/nix-support" 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 # have to use ${setupHooks[@]} without quotes because it needs to support setupHooks being a array or a whitespace separated string # # values of setupHooks won't have spaces so it won't cause problems # shellcheck disable=2068 for hook in ${setupHooks[@]}; do local content consumeEntire content < "$hook" substituteAllStream content "file '$hook'" >> "${!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 "${propagatedUserEnvPkgs[*]:-}" ]; then mkdir -p "${!outputBin}/nix-support" printWords "${propagatedUserEnvPkgs[@]}" > "${!outputBin}/nix-support/propagated-user-env-packages" fi
runHook postFixup}
installCheckPhase() { runHook preInstallCheck
if [[ -z "${foundMakefile:-}" ]]; then echo "no Makefile or custom installCheckPhase, doing nothing" #TODO(@oxij): should flagsArray influence make -n? elif [[ -z "${installCheckTarget:-}" ]] \ && ! make -n ${makefile:+-f $makefile} "${installCheckTarget:-installcheck}" >/dev/null 2>&1; then echo "no installcheck target in ${makefile:-Makefile}, doing nothing" else # Old bash empty array hack # shellcheck disable=SC2086 local flagsArray=( ${enableParallelChecking:+-j${NIX_BUILD_CORES}} SHELL="$SHELL" )
concatTo flagsArray makeFlags makeFlagsArray \ installCheckFlags installCheckFlagsArray installCheckTarget=installcheck
echoCmd 'installcheck flags' "${flagsArray[@]}" make ${makefile:+-f $makefile} "${flagsArray[@]}" unset flagsArray fi
runHook postInstallCheck}
distPhase() { runHook preDist
local flagsArray=() concatTo flagsArray distFlags distFlagsArray distTarget=dist
echo 'dist flags: %q' "${flagsArray[@]}" make ${makefile:+-f $makefile} "${flagsArray[@]}"
if [ "${dontCopyDist:-0}" != 1 ]; then mkdir -p "$out/tarballs"
# Note: don't quote $tarballs, since we explicitly permit # wildcards in there. # shellcheck disable=SC2086 cp -pvd ${tarballs[*]:-*.tar.gz} "$out/tarballs" fi
runHook postDist}
showPhaseHeader() { local phase="$1" echo "Running phase: $phase"
# The Nix structured logger allows derivations to update the phase as they're building, # which shows up in the terminal UI. See `handleJSONLogMessage` in the Nix source. if [[ -z ${NIX_LOG_FD-} ]]; then return fi printf "@nix { \"action\": \"setPhase\", \"phase\": \"%s\" }\n" "$phase" >&"$NIX_LOG_FD"}
showPhaseFooter() { local phase="$1" local startTime="$2" local endTime="$3" local delta=$(( endTime - startTime )) (( delta < 30 )) && return
local H=$((delta/3600)) local M=$((delta%3600/60)) local S=$((delta%60)) echo -n "$phase completed in " (( H > 0 )) && echo -n "$H hours " (( M > 0 )) && echo -n "$M minutes " echo "$S seconds"}
runPhase() { local curPhase="$*" if [[ "$curPhase" = unpackPhase && -n "${dontUnpack:-}" ]]; then return; fi if [[ "$curPhase" = patchPhase && -n "${dontPatch:-}" ]]; then return; fi if [[ "$curPhase" = configurePhase && -n "${dontConfigure:-}" ]]; then return; fi if [[ "$curPhase" = buildPhase && -n "${dontBuild:-}" ]]; then return; fi if [[ "$curPhase" = checkPhase && -z "${doCheck:-}" ]]; then return; fi if [[ "$curPhase" = installPhase && -n "${dontInstall:-}" ]]; then return; fi if [[ "$curPhase" = fixupPhase && -n "${dontFixup:-}" ]]; then return; fi if [[ "$curPhase" = installCheckPhase && -z "${doInstallCheck:-}" ]]; then return; fi if [[ "$curPhase" = distPhase && -z "${doDist:-}" ]]; then return; fi
showPhaseHeader "$curPhase" dumpVars
local startTime endTime startTime=$(date +"%s")
# Evaluate the variable named $curPhase if it exists, otherwise the # function named $curPhase. eval "${!curPhase:-$curPhase}"
endTime=$(date +"%s")
showPhaseFooter "$curPhase" "$startTime" "$endTime"
if [ "$curPhase" = unpackPhase ]; then # make sure we can cd into the directory [ -n "${sourceRoot:-}" ] && chmod +x -- "${sourceRoot}"
cd -- "${sourceRoot:-.}" fi}
genericBuild() { # variable used by our gzip wrapper to add -n. # gzip is in common-path.nix and is added to nix-shell but we only want to change its behaviour in nix builds. do not move to a setupHook in gzip. export GZIP_NO_TIMESTAMPS=1
if [ -f "${buildCommandPath:-}" ]; then source "$buildCommandPath" return fi if [ -n "${buildCommand:-}" ]; then eval "$buildCommand" return fi
if [ -z "${phases[*]:-}" ]; then phases="${prePhases[*]:-} unpackPhase patchPhase ${preConfigurePhases[*]:-} \ configurePhase ${preBuildPhases[*]:-} buildPhase checkPhase \ ${preInstallPhases[*]:-} installPhase ${preFixupPhases[*]:-} fixupPhase installCheckPhase \ ${preDistPhases[*]:-} distPhase ${postPhases[*]:-}"; fi
# The use of ${phases[*]} gives the correct behavior both with and # without structured attrs. This relies on the fact that each # phase name is space-free, which it must be because it's the name # of either a shell variable or a shell function. for curPhase in ${phases[*]}; do runPhase "$curPhase" done}
# Execute the post-hooks.runHook postHook
# Execute the global user hook (defined through the Nixpkgs# configuration option ‘stdenv.userHook’). This can be used to set# global compiler optimisation flags, for instance.runHook userHook
dumpVars
# Restore the original options for nix-shell[[ $__nixpkgs_setup_set_original == *e* ]] || set +e[[ $__nixpkgs_setup_set_original == *u* ]] || set +uunset -v __nixpkgs_setup_set_original