Add TGS4 PreSynchronize (Changelog compile) scripts (tgstation#40356)

TGS4 does not have changelog shitcode
TGS4 does not have changelog shitcode
TGS4 does not have changelog shitcode
TGS4 does not have changelog shitcode
TGS4 does not have changelog shitcode
TGS4 does not have changelog shitcode

tools/tgs4_scripts/PreSynchronize.bat

@@ -0,0 +1,3 @@
+@echo off
+
+powershell -NoProfile -ExecutionPolicy Bypass -File PreSynchronize.ps1 -game_path %1

tools/tgs4_scripts/PreSynchronize.ps1

@@ -0,0 +1,31 @@
+param(
+    $game_path
+)
+
+cd $game_path
+
+Write-Host "Installing pip dependencies..."
+pip3 install PyYaml beautifulsoup4
+if(!$?){
+    Write-Host "pip3 returned non-zero!"
+    exit $LASTEXITCODE
+}
+
+Write-Host "Running changelog script..."
+python3 tools/ss13_genchangelog.py html/changelog.html html/changelogs
+if(!$?){
+    Write-Host "python3 returned non-zero!"
+    exit $LASTEXITCODE
+}
+
+Write-Host "Committing changes..."
+git add html
+
+if(!$?){
+    Write-Host "`git add` returned non-zero!"
+    exit $LASTEXITCODE
+}
+
+#we now don't care about failures
+git commit -m "Automatic changelog compile, [ci skip]"
+exit 0

tools/tgs4_scripts/PreSynchronize.sh

@@ -0,0 +1,37 @@
+#!/bin/sh
+
+has_python="$(command -v python3)"
+has_git="$(command -v git)"
+has_sudo="$(command -v sudo)"
+has_pip="$(command -v pip3)"
+
+set -e
+
+if ! { [ -x "$has_python" ] && [ -x "$has_pip" ] && [ -x "$has_git" ];  }; then
+    echo "Installing apt dependencies..."
+    if ! [ -x "$has_sudo" ]; then
+        apt update
+        apt install -y python3 python3-pip git
+		rm -rf /var/lib/apt/lists/*
+    else
+        sudo apt update
+        sudo apt install -y python3 python3-pip git
+		sudo rm -rf /var/lib/apt/lists/*
+    fi
+fi
+
+echo "Installing pip dependencies..."
+pip3 install PyYaml beautifulsoup4
+
+cd $1
+
+echo "Running changelog script..."
+python3 tools/ss13_genchangelog.py html/changelog.html html/changelogs
+
+echo "Committing changes..."
+git add html
+
+#we now don't care about failures
+set +e
+git commit -m "Automatic changelog compile, [ci skip]"
+exit 0