[-] fix pip offline packages (#86)

Author: pashagolub

make.ps1

@@ -102,7 +102,7 @@ function Get-PatroniPackages {
     Write-Host "`n--- Download PATRONI packages ---" -ForegroundColor blue
     Set-Location "$MD\patroni"
     & $PIP download -r requirements.txt -d .patroni-packages
-    & $PIP download psycopg2-binary -d .patroni-packages
+    & $PIP download pip pip_install setuptools wheel cdiff psycopg2-binary -d .patroni-packages
     Set-Location -Path "..\.."
     Write-Host "`n--- PATRONI packages downloaded ---" -ForegroundColor green
 }

src/install.ps1

@@ -22,6 +22,7 @@ Write-Host "--- Python runtime installed ---`n" -ForegroundColor green
 Write-Host "--- Installing Patroni packages ---" -ForegroundColor blue
 pip3.exe install --no-index --find-links .patroni-packages -r requirements.txt
 pip3.exe install --no-index --find-links .patroni-packages psycopg2-binary
+pip3.exe install --no-index --find-links .patroni-packages cdiff
 Set-Location '..'
 Write-Host "--- Patroni packages installed ---`n" -ForegroundColor green