diff --git a/src/scripts/tools/add_tools.ps1 b/src/scripts/tools/add_tools.ps1
index 2b0c72fc..81dce152 100644
--- a/src/scripts/tools/add_tools.ps1
+++ b/src/scripts/tools/add_tools.ps1
@@ -23,7 +23,7 @@ Function Edit-ComposerConfig() {
     Set-Content -Path $composer_json -Value "{}"
   }
   Get-Content -Path $dist\..\src\configs\composer.env | Add-Content -Path $env:GITHUB_ENV
-  Write-Output $composer_bin | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8
+  Add-Path $composer_bin
   if (Test-Path env:COMPOSER_TOKEN) {
     composer -q config -g github-oauth.github.com $env:COMPOSER_TOKEN
   }
@@ -60,7 +60,7 @@ Function Add-ToolsHelper() {
     $tool
   )
   if($tool -eq "codeception") {
-    Copy-Item $codeception_bin\codecept.bat -Destination $codeception_bin\codeception.bat
+    Copy-Item $env:codeception_bin\codecept.bat -Destination $env:codeception_bin\codeception.bat
   } elseif($tool -eq "composer") {
     Edit-ComposerConfig $bin_dir\$tool
   } elseif($tool -eq "cs2pr") {
@@ -77,7 +77,7 @@ Function Add-ToolsHelper() {
     Add-ToProfile $current_profile "symfony" "New-Alias symfony $bin_dir\symfony-cli.exe"
     Add-ToProfile $current_profile "symfony_cli" "New-Alias symfony-cli $bin_dir\symfony-cli.exe"
   } elseif($tool -match "vapor-cli") {
-    Copy-Item $vapor_cli_bin\vapor.bat -Destination $vapor_cli_bin\vapor-cli.bat
+    Copy-Item $env:vapor_cli_bin\vapor.bat -Destination $env:vapor_cli_bin\vapor-cli.bat
   } elseif($tool -eq "wp-cli") {
     Copy-Item $bin_dir\wp-cli.bat -Destination $bin_dir\wp.bat
   }
@@ -137,7 +137,7 @@ Function Add-Tool() {
   }
 }
 
-Function Add-ScopedComposertool() {
+Function Add-ComposertoolHelper() {
   Param (
     [Parameter(Position = 0, Mandatory = $true)]
     [string]
@@ -147,18 +147,30 @@ Function Add-ScopedComposertool() {
     $release,
     [Parameter(Position = 2, Mandatory = $true)]
     [string]
-    $prefix
+    $prefix,
+    [Parameter(Position = 3, Mandatory = $true)]
+    [string]
+    $scope
   )
-  $release_stream = [System.IO.MemoryStream]::New([System.Text.Encoding]::ASCII.GetBytes($release))
-  $scoped_tool_dir_suffix = (Get-FileHash -InputStream $release_stream -Algorithm sha256).Hash
-  $scoped_tool_dir = "$composer_bin\_tools\$tool-$scoped_tool_dir_suffix"
-  if(-not(Test-Path $scoped_tool_dir)) {
-    New-Item -ItemType Directory -Force -Path $scoped_tool_dir > $null 2>&1
-    (composer global require $prefix$release -d $scoped_tool_dir.replace('\', '/') 2>&1 | Tee-Object -FilePath $env:APPDATA\Composer\composer.log) >$null 2>&1
-    Add-Content $scoped_tool_dir\vendor\bin -Path $env:GITHUB_PATH -Encoding utf8
-    New-Variable -Name ($tool.replace('-', '_') + '_bin') -Value $scoped_tool_dir\vendor\bin
+  if($scope -eq 'global') {
+    if(Test-Path $composer_lock) {
+      Remove-Item -Path $composer_lock -Force
+    }
+    composer global require $prefix$release >$null 2>&1
+    return composer global show $prefix$tool 2>&1 | findstr '^versions'
+  } else {
+    $release_stream = [System.IO.MemoryStream]::New([System.Text.Encoding]::ASCII.GetBytes($release))
+    $scoped_dir_suffix = (Get-FileHash -InputStream $release_stream -Algorithm sha256).Hash
+    $scoped_dir = "$composer_bin\_tools\$tool-$scoped_dir_suffix"
+    $unix_scoped_dir = $scoped_dir.replace('\', '/')
+    if(-not(Test-Path $scoped_dir)) {
+      New-Item -ItemType Directory -Force -Path $scoped_dir > $null 2>&1
+      composer require $prefix$release -d $unix_scoped_dir >$null 2>&1
+    }
+    [System.Environment]::SetEnvironmentVariable(($tool.replace('-', '_') + '_bin'), "$scoped_dir\vendor\bin")
+    Add-Path $scoped_dir\vendor\bin
+    return composer show $prefix$tool -d $unix_scoped_dir 2>&1 | findstr '^versions'
   }
-  return ((Test-Path $scoped_tool_dir\composer.json) -and (findstr $prefix$tool $scoped_tool_dir\composer.json))
 }
 
 # Function to setup a tool using composer.
@@ -190,21 +202,12 @@ Function Add-Composertool() {
     Add-Log $cross $tool "Skipped"
     Return
   }
-  if($scope -eq 'global') {
-    if(Test-Path $composer_lock) {
-      Remove-Item -Path $composer_lock -Force
-    }
-    (composer global require $prefix$release 2>&1 | Tee-Object -FilePath $env:APPDATA\Composer\composer.log) >$null 2>&1
-    $json = findstr $prefix$tool $env:APPDATA\Composer\composer.json
-  } else {
-    $json = Add-ScopedComposertool -tool $tool -release $release -prefix $prefix
-  }
-  $log = findstr $prefix$tool $env:APPDATA\Composer\composer.log
+  $log = Add-ComposertoolHelper -tool $tool -release $release -prefix $prefix -scope $scope
   if(Test-Path $composer_bin\composer) {
     Copy-Item -Path "$bin_dir\composer" -Destination "$composer_bin\composer" -Force
   }
   Add-ToolsHelper $tool
-  if($json) {
+  if($log) {
     $tool_version = Get-ToolVersion "Write-Output" "$log"
     Add-Log $tick $tool "Added $tool $tool_version"
   } else {
diff --git a/src/scripts/tools/add_tools.sh b/src/scripts/tools/add_tools.sh
index f82b58d5..1ff9a413 100644
--- a/src/scripts/tools/add_tools.sh
+++ b/src/scripts/tools/add_tools.sh
@@ -43,7 +43,7 @@ configure_composer() {
     chmod 644 "$composer_json"
   fi
   cat "${dist:?}"/../src/configs/composer.env >> "$GITHUB_ENV"
-  echo "$composer_bin" >>"$GITHUB_PATH"
+  add_path "$composer_bin"
   if [ -n "$COMPOSER_TOKEN" ]; then
     composer -q config -g github-oauth.github.com "$COMPOSER_TOKEN"
   fi
@@ -53,8 +53,7 @@ configure_composer() {
 add_tools_helper() {
   tool=$1
   if [ "$tool" = "codeception" ]; then
-    codeception_bin=$(grep codeception_bin "${GITHUB_ENV:?}" | cut -d '=' -f 2)
-    sudo ln -s "$codeception_bin"/codecept "$codeception_bin"/codeception
+    sudo ln -s "$scoped_dir"/vendor/bin/codecept "$scoped_dir"/vendor/bin/codeception
   elif [ "$tool" = "composer" ]; then
     configure_composer "$tool_path"
   elif [ "$tool" = "cs2pr" ]; then
@@ -75,6 +74,8 @@ add_tools_helper() {
     if [ -e "$tool_path_dir"/phpunit ]; then
       sudo cp "$tool_path_dir"/phpunit "$composer_bin"
     fi
+  elif [[ "$tool" =~ vapor-cli ]]; then
+    sudo ln -s "$scoped_dir"/vendor/bin/vapor "$scoped_dir"/vendor/bin/vapor-cli
   elif [[ "$tool" =~ (symfony|vapor|wp)-cli ]]; then
     sudo ln -s "$tool_path" "$tool_path_dir"/"${tool%-*}"
   fi
@@ -86,10 +87,7 @@ add_tool() {
   tool=$2
   ver_param=$3
   tool_path="$tool_path_dir/$tool"
-  if ! [[ "$PATH" =~ $tool_path_dir ]]; then
-    export PATH=$PATH:"$tool_path_dir"
-    echo "export PATH=\$PATH:$tool_path_dir" | sudo tee -a "$GITHUB_ENV" >/dev/null
-  fi
+  add_path "$tool_path_dir"
   if [ -e "$tool_path" ]; then
     sudo cp -aL "$tool_path" /tmp/"$tool"
   fi
@@ -114,17 +112,23 @@ add_tool() {
 }
 
 # Function to setup a tool using composer in a different scope.
-add_scoped_composertool() {
+add_composertool_helper() {
   tool=$1
   release=$2
   prefix=$3
-  scoped_dir="$composer_bin/_tools/$tool-$(echo -n "$release" | shasum -a 256 | cut -d ' ' -f 1)"
-  if ! [ -e "$scoped_dir" ]; then
-    mkdir -p "$scoped_dir"
-    composer require "$prefix$release" -d "$scoped_dir" 2>&1 | tee /tmp/composer.log >/dev/null 2>&1
-    export PATH=$PATH:"$scoped_dir"/vendor/bin
-    echo "${tool}"_bin="$scoped_dir"/vendor/bin | sudo tee -a "$GITHUB_ENV" >/dev/null
-    echo "$scoped_dir"/vendor/bin >>"$GITHUB_PATH"
+  scope=$4
+  if [ "$scope" = "global" ]; then
+    sudo rm -f "$composer_lock" >/dev/null 2>&1 || true
+    composer global require "$prefix$release" >/dev/null 2>&1
+    composer global show "$prefix$tool" 2>&1 | grep -E ^versions | sudo tee /tmp/composer.log >/dev/null 2>&1
+  else
+    scoped_dir="$composer_bin/_tools/$tool-$(echo -n "$release" | shasum -a 256 | cut -d ' ' -f 1)"
+    if ! [ -d "$scoped_dir" ]; then
+      mkdir -p "$scoped_dir"
+      composer require "$prefix$release" -d "$scoped_dir" >/dev/null 2>&1
+      composer show "$prefix$tool" -d "$scoped_dir" 2>&1 | grep -E ^versions | sudo tee /tmp/composer.log >/dev/null 2>&1
+    fi
+    add_path "$scoped_dir"/vendor/bin
   fi
 }
 
@@ -142,16 +146,9 @@ add_composertool() {
       return
     fi
   fi
-  (
-    if [ "$scope" = "global" ]; then
-      sudo rm -f "$composer_lock" >/dev/null 2>&1 || true
-      composer global require "$prefix$release" 2>&1 | tee /tmp/composer.log >/dev/null 2>&1
-    else
-      add_scoped_composertool "$tool" "$release" "$prefix"
-    fi
-    log=$(grep "$prefix$tool" /tmp/composer.log) &&
-      tool_version=$(get_tool_version 'echo' "$log") &&
-      add_log "$tick" "$tool" "Added $tool $tool_version"
+  add_composertool_helper "$tool" "$release" "$prefix" "$scope"
+  tool_version=$(get_tool_version cat /tmp/composer.log)
+  ([ -s /tmp/composer.log ] && add_log "$tick" "$tool" "Added $tool $tool_version"
   ) || add_log "$cross" "$tool" "Could not setup $tool"
   add_tools_helper "$tool"
   if [ -e "$composer_bin/composer" ]; then
diff --git a/src/scripts/tools/grpc_php_plugin.ps1 b/src/scripts/tools/grpc_php_plugin.ps1
index 7cdee06f..8ec8bdf7 100644
--- a/src/scripts/tools/grpc_php_plugin.ps1
+++ b/src/scripts/tools/grpc_php_plugin.ps1
@@ -11,7 +11,7 @@ Function Add-Grpc_php_plugin() {
   $msys_location = Add-Msys2
   $logs = . $msys_location\usr\bin\bash -l -c "pacman -S --noconfirm mingw-w64-x86_64-grpc" >$null 2>&1
   $grpc_version = Get-ToolVersion 'Write-Output' "$logs"
-  Write-Output "$msys_location\mingw64\bin" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8
+  Add-Path $msys_location\mingw64\bin
   Write-Output "::set-output name=grpc_php_plugin_path::$msys_location\mingw64\bin\grpc_php_plugin.exe"
   Add-ToProfile $current_profile 'grpc_php_plugin' "New-Alias grpc_php_plugin $msys_location\mingw64\bin\grpc_php_plugin.exe"
   Add-Log $tick "grpc_php_plugin" "Added grpc_php_plugin $grpc_version"
diff --git a/src/scripts/unix.sh b/src/scripts/unix.sh
index e595bef0..db74bbdb 100644
--- a/src/scripts/unix.sh
+++ b/src/scripts/unix.sh
@@ -60,6 +60,34 @@ get() {
   fi
 }
 
+# Function to get shell profile.
+get_shell_profile() {
+  case "$SHELL" in
+  *bash*)
+    echo "${HOME}/.bashrc"
+    ;;
+  *zsh*)
+    echo "${HOME}/.zshrc"
+    ;;
+  *)
+    echo "${HOME}/.profile"
+    ;;
+  esac
+}
+
+# Function to add a path to the PATH variable.
+add_path() {
+  path_to_add=$1
+  [ ! -d "$path_to_add" ] && [[ ":$PATH:" == *":$path_to_add:"* ]] && return
+  if [[ -n "$GITHUB_PATH" ]]; then
+    echo "$path_to_add" | tee -a "$GITHUB_PATH" >/dev/null 2>&1
+  else
+    profile=$(get_shell_profile)
+    ([ -e "$profile" ] && grep -q ":$path_to_add\"" "$profile" 2>/dev/null) || echo "export PATH=\"\${PATH:+\${PATH}:}\"$path_to_add" | sudo tee -a "$profile" >/dev/null 2>&1
+  fi
+  export PATH="${PATH:+${PATH}:}$path_to_add"
+}
+
 # Function to download and run scripts from GitHub releases with jsdeliver fallback.
 run_script() {
   repo=$1
diff --git a/src/scripts/win32.ps1 b/src/scripts/win32.ps1
index 082678c0..7ae0ef42 100644
--- a/src/scripts/win32.ps1
+++ b/src/scripts/win32.ps1
@@ -64,10 +64,17 @@ Function Add-Path {
   param(
     [string]$PathItem
   )
-  $newPath = (Get-ItemProperty -Path 'hkcu:\Environment' -Name PATH).Path.replace("$PathItem;", '')
-  $newPath = $PathItem + ';' + $newPath
-  Set-ItemProperty -Path 'hkcu:\Environment' -Name Path -Value $newPath
-  Get-PathFromRegistry
+  if(-not(Test-Path $PathItem) -or "$env:PATH;".contains("$PathItem;")) {
+    return
+  }
+  if ($env:GITHUB_PATH) {
+    Add-Content $PathItem -Path $env:GITHUB_PATH -Encoding utf8
+  } else {
+    $newPath = (Get-ItemProperty -Path 'hkcu:\Environment' -Name PATH).Path.replace("$PathItem;", '')
+    $newPath = $PathItem + ';' + $newPath
+    Set-ItemProperty -Path 'hkcu:\Environment' -Name Path -Value $newPath
+    Get-PathFromRegistry
+  }
 }
 
 # Function to make sure printf is in PATH.