Merge pull request #72347 from NixOS/bash-no-undef-vars

treewide: `set -u` everywhere

pkgs/development/interpreters/python/hooks/flit-build-hook.sh

@@ -9,7 +9,7 @@ flitBuildPhase () {
     echo "Finished executing flitBuildPhase"
 }
 
-if [ -z "$dontUseFlitBuild" ] && [ -z "$buildPhase" ]; then
+if [ -z "${dontUseFlitBuild-}" ] && [ -z "${buildPhase-}" ]; then
     echo "Using flitBuildPhase"
     buildPhase=flitBuildPhase
 fi

pkgs/development/interpreters/python/hooks/pip-build-hook.sh

@@ -31,7 +31,7 @@ pipShellHook() {
     echo "Finished executing pipShellHook"
 }
 
-if [ -z "$dontUsePipBuild" ] && [ -z "$buildPhase" ]; then
+if [ -z "${dontUsePipBuild-}" ] && [ -z "${buildPhase-}" ]; then
     echo "Using pipBuildPhase"
     buildPhase=pipBuildPhase
 fi

pkgs/development/interpreters/python/hooks/pip-install-hook.sh

@@ -18,7 +18,7 @@ pipInstallPhase() {
     echo "Finished executing pipInstallPhase"
 }
 
-if [ -z "$dontUsePipInstall" ] && [ -z "$installPhase" ]; then
+if [ -z "${dontUsePipInstall-}" ] && [ -z "${installPhase-}" ]; then
     echo "Using pipInstallPhase"
     installPhase=pipInstallPhase
 fi

pkgs/development/interpreters/python/hooks/pytest-check-hook.sh

@@ -43,7 +43,7 @@ function pytestCheckPhase() {
     echo "Finished executing pytestCheckPhase"
 }
 
-if [ -z "$dontUsePytestCheck" ] && [ -z "$installCheckPhase" ]; then
+if [ -z "${dontUsePytestCheck-}" ] && [ -z "${installCheckPhase-}" ]; then
     echo "Using pytestCheckPhase"
     preDistPhases+=" pytestCheckPhase"
 fi

pkgs/development/interpreters/python/hooks/python-catch-conflicts-hook.sh

@@ -5,6 +5,6 @@ pythonCatchConflictsPhase() {
     @pythonInterpreter@ @catchConflicts@
 }
 
-if [ -z "$dontUsePythonCatchConflicts" ]; then
+if [ -z "${dontUsePythonCatchConflicts-}" ]; then
     preDistPhases+=" pythonCatchConflictsPhase"
 fi

pkgs/development/interpreters/python/hooks/python-imports-check-hook.sh

@@ -10,7 +10,7 @@ pythonImportsCheckPhase () {
     fi
 }
 
-if [ -z "$dontUsePythonImportsCheck" ]; then
+if [ -z "${dontUsePythonImportsCheck-}" ]; then
     echo "Using pythonImportsCheckPhase"
     preDistPhases+=" pythonImportsCheckPhase"
 fi

pkgs/development/interpreters/python/hooks/python-remove-bin-bytecode-hook.sh

@@ -12,6 +12,6 @@ pythonRemoveBinBytecodePhase () {
     fi
 }
 
-if [ -z "$dontUsePythonRemoveBinBytecode" ]; then
+if [ -z "${dontUsePythonRemoveBinBytecode-}" ]; then
     preDistPhases+=" pythonRemoveBinBytecodePhase"
 fi

pkgs/development/interpreters/python/hooks/setuptools-build-hook.sh

@@ -36,12 +36,12 @@ setuptoolsShellHook() {
     echo "Finished executing setuptoolsShellHook"
 }
 
-if [ -z "$dontUseSetuptoolsBuild" ] && [ -z "$buildPhase" ]; then
+if [ -z "${dontUseSetuptoolsBuild-}" ] && [ -z "${buildPhase-}" ]; then
     echo "Using setuptoolsBuildPhase"
     buildPhase=setuptoolsBuildPhase
 fi
 
-if [ -z "$dontUseSetuptoolsShellHook" ] && [ -z "$shellHook" ]; then
+if [ -z "${dontUseSetuptoolsShellHook-}" ] && [ -z "${shellHook-}" ]; then
     echo "Using setuptoolsShellHook"
     shellHook=setuptoolsShellHook
 fi

pkgs/development/interpreters/python/hooks/setuptools-check-hook.sh

@@ -12,7 +12,7 @@ setuptoolsCheckPhase() {
     echo "Finished executing setuptoolsCheckPhase"
 }
 
-if [ -z "$dontUseSetuptoolsCheck" ] && [ -z "$installCheckPhase" ]; then
+if [ -z "${dontUseSetuptoolsCheck-}" ] && [ -z "${installCheckPhase-}" ]; then
     echo "Using setuptoolsCheckPhase"
     preDistPhases+=" setuptoolsCheckPhase"
 fi

pkgs/development/interpreters/python/hooks/wheel-unpack-hook.sh

@@ -12,7 +12,7 @@ wheelUnpackPhase(){
     echo "Finished executing wheelUnpackPhase"
 }
 
-if [ -z "$dontUseWheelUnpack" ] && [ -z "$unpackPhase" ]; then
+if [ -z "${dontUseWheelUnpack-}" ] && [ -z "${unpackPhase-}" ]; then
     echo "Using wheelUnpackPhase"
     unpackPhase=wheelUnpackPhase
 fi