Add script to make it easier to make a patch release.

patch.ps1

@@ -0,0 +1,53 @@
+Param (
+    [Parameter(Mandatory=$True)]
+    [string]$message
+)
+
+# This script will:
+# - read current version
+# - increment patch version
+# - update version in a few places
+# - insert new line in ripme.json with $message
+
+$ripmeJson = (Get-Content "ripme.json") -join "`n" | ConvertFrom-Json
+$currentVersion = $ripmeJson.latestVersion
+
+Write-Output (("Current version", $currentVersion) -join ' ')
+
+$versionFields = $currentVersion.split('.')
+$patchCurr = [int]($versionFields[2])
+$patchNext = $patchCurr + 1
+$majorMinor = $versionFields[0..1]
+$majorMinorPatch = $majorMinor + $patchNext
+$nextVersion = $majorMinorPatch -join '.'
+
+Write-Output (("Updating to", $nextVersion) -join ' ')
+
+$substExpr = "s/${currentVersion}/${nextVersion}/"
+sed src/main/java/com/rarchives/ripme/ui/UpdateUtils.java -i -e "${substExpr}"
+git grep "DEFAULT_VERSION.*${nextVersion}" src/main/java/com/rarchives/ripme/ui/UpdateUtils.java
+
+$substExpr = "s/\`"latestVersion\`" : \`"${currentVersion}\`"/\`"latestVersion\`" : \`"${nextVersion}\`"/"
+sed ripme.json -i -e "${substExpr}"
+git grep "latestVersion" ripme.json
+
+$substExpr = "s/<version>${currentVersion}/<version>${nextVersion}/"
+sed pom.xml -i -e "${substExpr}"
+git grep "<version>${nextVersion}" pom.xml
+
+$commitMessage = "${nextVersion}: ${message}"
+
+$ripmeJsonLines = Get-Content "ripme.json"
+$ripmeJsonHead = $ripmeJsonLines[0..2]
+$ripmeJsonRest = $ripmeJsonLines[3..$ripmeJsonLines.length]
+$changelogLine = "    `"${commitMessage}`","
+$updatedLines = $ripmeJsonHead + $changelogLine + $ripmeJsonRest + ""
+$outputContent = $updatedLines -join "`n"
+
+$outputPath = (Resolve-Path .\ripme.json).Path
+$Utf8NoBomEncoding = New-Object System.Text.UTF8Encoding $False
+[System.IO.File]::WriteAllText($outputPath, $outputContent, $Utf8NoBomEncoding)
+
+git add -u
+git commit -m $commitMessage
+git tag $nextVersion