initial commit of actions

github/codeql-action-v2/node_modules/jschardet/scripts/show-size-changes.sh

@@ -0,0 +1,67 @@
+#!/bin/bash
+
+# https://stackoverflow.com/a/30520299
+# Checks if stdout is not being redirected, and if not, colorizes the output.
+if [[ -t 1 || -p /dev/stdout ]]; then
+  # ANSI colors
+  RED='\033[0;31m'
+  GREEN='\033[0;32m'
+  TC='\033[0m' # Terminal color
+fi
+
+function calc_perc {
+  # Calculate the percentage up to 2 decimal places and leading 0 when the
+  # percentage only has the decimal part. Only print percentages >= 0.01%.
+  bc <<EOF
+    scale=2;
+    define abs2(x) { if (x < 0) return -x; return x }
+    ratio=$1/$2;
+    if (ratio >= 0.01) {
+      if (ratio < 0) {
+        print "-"
+      } else {
+        print "+"
+      }
+      if (abs2(ratio) < 1) {
+        print "0"
+      }
+      print abs2(ratio)
+      print "% "
+    }
+EOF
+}
+
+if [ -z "$BASE_PKG_VERSION" ]; then
+  BASE_PKG_VERSION="$(npm version --json | python3 -c 'import json; import sys; print(json.loads(sys.stdin.read()).get("jschardet"))')"
+fi
+BASE_PKG_VERSION_HASH="$(git rev-list -n 1 v$BASE_PKG_VERSION)"
+
+echo "Bundle size changes since v$BASE_PKG_VERSION:"
+eval "git diff-index "$BASE_PKG_VERSION_HASH" $@" | {
+  # vars: B=before / A=after
+  # mode: A=added / D=deleted
+  while read maskB maskA hashB zero mode path; do
+    if [ $mode = "A" ]; then
+      sizeB=0;
+    else
+      sizeB=$(git cat-file -s $hashB)
+    fi
+    if [ $mode = "D" ]; then
+      sizeA=0
+    else
+      # warning: -s is bsd only
+      eval $(stat -s "$path")
+      sizeA=$st_size
+    fi
+    size_diff=$(( $sizeA - $sizeB ))
+    if [ $size_diff -gt 0 ]; then
+      size_diff_signal="+"
+      size_diff_color=$RED
+    else
+      size_diff_color=$GREEN
+    fi
+
+    perc=$(calc_perc $size_diff $sizeB)
+    echo -e "* $path $size_diff_color$size_diff_signal$size_diff $perc$TC($sizeB -> $sizeA)"
+  done
+}