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stdenv/patchShebangs: consistent conditional tests

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according to shellcheck [[ foo == "bla" ]] && [[ ... ]] has better posix
semantics over [ foo = "bla" -a ... ]. It is also easier to read.
This commit is contained in:
Jörg Thalheim 2020-08-04 06:48:30 +01:00
parent ab4c359822
commit cb1654ff92
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GPG Key ID: 003F2096411B5F92
1 changed files with 11 additions and 11 deletions
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22
pkgs/build-support/setup-hooks/patch-shebangs.sh
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@ -24,10 +24,10 @@ fixupOutputHooks+=(patchShebangsAuto)
patchShebangs() {
local pathName
if [ "$1" = "--host" ]; then
if [[ "$1" == "--host" ]]; then
pathName=HOST_PATH
shift
elif [ "$1" = "--build" ]; then
elif [[ "$1" == "--build" ]]; then
pathName=PATH
shift
fi
@ -41,7 +41,7 @@ patchShebangs() {
local oldInterpreterLine
local newInterpreterLine
if [ $# -eq 0 ]; then
if [[ $# -eq 0 ]]; then
echo "No arguments supplied to patchShebangs" >&2
return 0
fi
@ -53,8 +53,8 @@ patchShebangs() {
read -r oldInterpreterLine < "$f"
read -r oldPath arg0 args <<< "${oldInterpreterLine:3}"
if [ -z "$pathName" ]; then
if [ -n "$strictDeps" ] && [[ "$f" = "$NIX_STORE"* ]]; then
if [[ -z "$pathName" ]]; then
if [[ -n $strictDeps && $f == "$NIX_STORE"* ]]; then
pathName=HOST_PATH
else
pathName=PATH
@ -65,14 +65,14 @@ patchShebangs() {
# Check for unsupported 'env' functionality:
# - options: something starting with a '-'
# - environment variables: foo=bar
if [[ "$arg0" == "-"* ]] || [[ "$arg0" == *"="* ]]; then
if [[ $arg0 == "-"* || $arg0 == *"="* ]]; then
echo "$f: unsupported interpreter directive \"$oldInterpreterLine\" (set dontPatchShebangs=1 and handle shebang patching yourself)" >&2
exit 1
fi
newPath="$(PATH="${!pathName}" command -v "$arg0" || true)"
else
if [ "$oldPath" = "" ]; then
if [[ -z $oldPath ]]; then
# If no interpreter is specified linux will use /bin/sh. Set
# oldpath="/bin/sh" so that we get /nix/store/.../sh.
oldPath="/bin/sh"
@ -87,8 +87,8 @@ patchShebangs() {
newInterpreterLine="$newPath $args"
newInterpreterLine=${newInterpreterLine%${newInterpreterLine##*[![:space:]]}}
if [ -n "$oldPath" -a "${oldPath:0:${#NIX_STORE}}" != "$NIX_STORE" ]; then
if [ -n "$newPath" -a "$newPath" != "$oldPath" ]; then
if [[ -n "$oldPath" && "${oldPath:0:${#NIX_STORE}}" != "$NIX_STORE" ]]; then
if [[ -n "$newPath" ]] && [[ "$newPath" != "$oldPath" ]]; then
echo "$f: interpreter directive changed from \"$oldInterpreterLine\" to \"$newInterpreterLine\""
# escape the escape chars so that sed doesn't interpret them
escapedInterpreterLine=${newInterpreterLine//\\/\\\\}
@ -107,12 +107,12 @@ patchShebangs() {
}
patchShebangsAuto () {
if [ -z "${dontPatchShebangs-}" -a -e "$prefix" ]; then
if [[ -z "${dontPatchShebangs-}" && -e "$prefix" ]]; then
# Dev output will end up being run on the build platform. An
# example case of this is sdl2-config. Otherwise, we can just
# use the runtime path (--host).
if [ "$output" != out ] && [ "$output" = "$outputDev" ]; then
if [[ "$output" != out && "$output" = "$outputDev" ]]; then
patchShebangs --build "$prefix"
else
patchShebangs --host "$prefix"