Move away from Travis CI to GitHub Actions

tools/ci/validate_files.sh

@@ -0,0 +1,74 @@
+#!/bin/bash
+
+source _build_dependencies.sh
+
+RED='\033[0;31m'
+NC='\033[0m'
+FAILED=0
+
+#Checking for step_x/step_y defined in any maps anywhere.
+(! grep 'step_[xy]' maps/**/*.dmm)
+retVal=$?
+if [ $retVal -ne 0 ]; then
+  echo -e "${RED}The variables 'step_x' and 'step_y' are present on a map, and they 'break' movement ingame.${NC}"
+  FAILED=1
+fi
+
+#Checking for 'tag' set to something on maps
+(! grep -Pn '( |\t|;|{)tag( ?)=' maps/**/*.dmm)
+retVal=$?
+if [ $retVal -ne 0 ]; then
+  echo -e "${RED}A map has 'tag' set on an atom. It may cause problems and should be removed.${NC}"
+  FAILED=1
+fi
+
+#Checking for broken HTML tags (didn't close the quote for class)
+(! grep -En "<\s*span\s+class\s*=\s*('[^'>]+|[^'>]+')\s*>" **/*.dm)
+retVal=$?
+if [ $retVal -ne 0 ]; then
+  echo -e "${RED}A broken span tag class is present (check quotes).${NC}"
+  FAILED=1
+fi
+
+#Checking for any 'checked' maps that include 'test'
+(! grep 'maps\\.*test.*' *.dme)
+retVal=$?
+if [ $retVal -ne 0 ]; then
+  echo -e "${RED}A map containing the word 'test' is included. This is not allowed to be committed.${NC}"
+  FAILED=1
+fi
+
+#Check for weird indentation in any .dm files
+awk -f tools/indentation.awk **/*.dm
+retVal=$?
+if [ $retVal -ne 0 ]; then
+  echo -e "${RED}Indention testing failed. Please see results and fix indentation.${NC}"
+  FAILED=1
+fi
+
+#Checking for a change to html/changelogs/example.yml
+md5sum -c - <<< "88490b460c26947f5ec1ab1bb9fa9f17 *html/changelogs/example.yml"
+retVal=$?
+if [ $retVal -ne 0 ]; then
+  echo -e "${RED}Do not modify the example.yml changelog file.${NC}"
+  FAILED=1
+fi
+
+#Checking for color macros
+(num=`grep -E '\\\\(red|blue|green|black|b|i[^mc])' **/*.dm | wc -l`; echo "$num escapes (expecting ${MACRO_COUNT} or less)"; [ $num -le ${MACRO_COUNT} ])
+retVal=$?
+if [ $retVal -ne 0 ]; then
+  echo -e "${RED}Do not use any byond color macros (such as \blue), they are deprecated.${NC}"
+  FAILED=1
+fi
+
+#Checking for missed tags
+python tools/TagMatcher/tag-matcher.py ../..
+retVal=$?
+if [ $retVal -ne 0 ]; then
+  echo -e "${RED}Some HTML tags are missing their opening/closing partners. Please correct this.${NC}"
+  FAILED=1
+fi
+
+# Quit with our status code
+exit $FAILED