Make install-powershell.sh autodetect if it should use wget or curl (#8225)

install-powershell.sh now autodetects whether curl or wget is installed to download secondary script when it is not found locally.

.vsts-ci/install-ps.yml

@@ -0,0 +1,47 @@
+name: PR-$(System.PullRequest.PullRequestNumber)-$(Date:yyyyMMdd)$(Rev:.rr)
+trigger:
+  branches:
+    include:
+    - master
+    - release*
+  paths:
+    include:
+    - /tools/install-powershell.sh
+    - /tools/installpsh-amazonlinux.sh
+    - /tools/installpsh-debian.sh
+    - /tools/installpsh-osx.sh
+    - /tools/installpsh-redhat.sh
+    - /tools/installpsh-suse.sh
+pr:
+  branches:
+    include:
+    - master
+    - release*
+  paths:
+    include:
+    - /tools/install-powershell.sh
+    - /tools/installpsh-amazonlinux.sh
+    - /tools/installpsh-debian.sh
+    - /tools/installpsh-osx.sh
+    - /tools/installpsh-redhat.sh
+    - /tools/installpsh-suse.sh
+
+variables:
+  DOTNET_CLI_TELEMETRY_OPTOUT: 1
+  POWERSHELL_TELEMETRY_OPTOUT: 1
+
+resources:
+- repo: self
+  clean: true
+phases:
+- template: templates/install-ps-phase.yml
+  parameters:
+    scriptName: ./tools/install-powershell.sh
+    jobName: InstallPowerShellUbuntu
+    pool: Hosted Ubuntu 1604
+
+- template: templates/install-ps-phase.yml
+  parameters:
+    scriptName: ./tools/install-powershell.sh
+    jobName: InstallPowerShellMacOS
+    pool: Hosted macOS

.vsts-ci/templates/install-ps-phase.yml

@@ -0,0 +1,29 @@
+parameters:
+  pool: 'Hosted Ubuntu 1604'
+  jobName: 'none'
+  scriptName: ''
+
+jobs:
+- job: ${{ parameters.jobName }}
+  variables:
+    scriptName: ${{ parameters.scriptName }}
+
+  pool:
+    name: ${{ parameters.pool }}
+
+  displayName: ${{ parameters.jobName }}
+
+  steps:
+  - powershell: |
+      Get-ChildItem -Path env:
+    displayName: Capture environment
+    condition: succeededOrFailed()
+
+  - powershell:  Write-Host "##vso[build.updatebuildnumber]$env:BUILD_SOURCEBRANCHNAME-$env:BUILD_SOURCEVERSION-$((get-date).ToString("yyyyMMddhhmmss"))"
+    displayName: Set Build Name for Non-PR
+    condition: ne(variables['Build.Reason'], 'PullRequest')
+
+  - bash: |
+      $(scriptName)
+    displayName: Run Script - $(scriptName)
+    condition: succeededOrFailed()

tools/install-powershell.sh

@@ -1,10 +1,12 @@
 #!/bin/bash
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License.
 
 install(){
     #Companion code for the blog https://cloudywindows.com
 
     #call this code direction from the web with:
-    #bash <(wget -O - https://raw.githubusercontent.com/PowerShell/PowerShell/master/tools/install-powershell.sh) <ARGUMENTS>
+    #bash <(wget -qO - https://raw.githubusercontent.com/PowerShell/PowerShell/master/tools/install-powershell.sh) <ARGUMENTS>
     #wget -O - https://raw.githubusercontent.com/PowerShell/PowerShell/master/tools/install-powershell.sh | bash -s <ARGUMENTS>
     #bash <(curl -s https://raw.githubusercontent.com/PowerShell/PowerShell/master/tools/install-powershell.sh) <ARGUMENTS>
 
@@ -123,29 +125,41 @@ install(){
 
     if [[ "'$*'" =~ appimage ]] ; then
         if [ -f $SCRIPTFOLDER/appimage.sh ]; then
-        #Script files were copied local - use them
-        . $SCRIPTFOLDER/appimage.sh
+            #Script files were copied local - use them
+            . $SCRIPTFOLDER/appimage.sh
         else
-        #Script files are not local - pull from remote
-        echo "Could not find \"appimage.sh\" next to this script..."
-        echo "Pulling it from \"$gitreposcriptroot/appimage.sh\""
-        bash <(wget -qO- $gitreposcriptroot/appimage.sh) $@
-    fi
+            #Script files are not local - pull from remote
+            echo "Could not find \"appimage.sh\" next to this script..."
+            echo "Pulling and executing it from \"$gitreposcriptroot/appimage.sh\""
+            if [ -n "$(command -v curl)" ]; then
+                echo "found and using curl"
+                bash <(curl -s $gitreposcriptroot/appimage.sh) $@
+            elif [ -n "$(command -v wget)" ]; then
+                echo "found and using wget"
+                bash <(wget -qO- $gitreposcriptroot/appimage.sh) $@
+            else
+                echo "Could not find curl or wget, install one of these or manually download \"$gitreposcriptroot/appimage.sh\""
+            fi
+        fi
     elif [ "$DistroBasedOn" == "redhat" ] || [ "$DistroBasedOn" == "debian" ] || [ "$DistroBasedOn" == "osx" ] || [ "$DistroBasedOn" == "suse" ] || [ "$DistroBasedOn" == "amazonlinux" ]; then
         echo "Configuring PowerShell Core Environment for: $DistroBasedOn $DIST $REV"
         if [ -f $SCRIPTFOLDER/installpsh-$DistroBasedOn.sh ]; then
-        #Script files were copied local - use them
-        . $SCRIPTFOLDER/installpsh-$DistroBasedOn.sh
+            #Script files were copied local - use them
+            . $SCRIPTFOLDER/installpsh-$DistroBasedOn.sh
         else
-        #Script files are not local - pull from remote
-        echo "Could not find \"installpsh-$DistroBasedOn.sh\" next to this script..."
-        echo "Pulling it from \"$gitreposcriptroot/installpsh-$DistroBasedOn.sh\""
-        if [ "$OS" == "osx" ]; then
-            bash <(curl -s $gitreposcriptroot/installpsh-$DistroBasedOn.sh) $@
-        else
-            bash <(wget -qO- $gitreposcriptroot/installpsh-$DistroBasedOn.sh) $@
+            #Script files are not local - pull from remote
+            echo "Could not find \"installpsh-$DistroBasedOn.sh\" next to this script..."
+            echo "Pulling and executing it from \"$gitreposcriptroot/installpsh-$DistroBasedOn.sh\""
+            if [ -n "$(command -v curl)" ]; then
+                echo "found and using curl"
+                bash <(curl -s $gitreposcriptroot/installpsh-$DistroBasedOn.sh) $@
+            elif [ -n "$(command -v wget)" ]; then
+                echo "found and using wget"
+                bash <(wget -qO- $gitreposcriptroot/installpsh-$DistroBasedOn.sh) $@
+            else
+                echo "Could not find curl or wget, install one of these or manually download \"$gitreposcriptroot/installpsh-$DistroBasedOn.sh\""
+            fi
         fi
-    fi
     else
         echo "Sorry, your operating system is based on $DistroBasedOn and is not supported by PowerShell Core or this installer at this time."
     fi