Add bin and edit workflow

2026-09-16 13:11:16 -06:00
parent c8ac4fcae5
commit 4cee170d66
17576 changed files with 895740 additions and 2 deletions
@@ -0,0 +1,46 @@
+# frozen_string_literal: true
+
+module Jekyll
+  module Utils
+    module WinTZ
+      extend self
+
+      # Public: Calculate the Timezone for Windows when the config file has a defined
+      #         'timezone' key.
+      #
+      # timezone - the IANA Time Zone specified in "_config.yml"
+      #
+      # Returns a string that ultimately re-defines ENV["TZ"] in Windows
+      def calculate(timezone, now = Time.now)
+        External.require_with_graceful_fail("tzinfo") unless defined?(TZInfo)
+        tz = TZInfo::Timezone.get(timezone)
+
+        #
+        # Use period_for_utc and utc_total_offset instead of
+        # period_for and observed_utc_offset for compatibility with tzinfo v1.
+        offset = tz.period_for_utc(now.getutc).utc_total_offset
+
+        #
+        # POSIX style definition reverses the offset sign.
+        #   e.g. Eastern Standard Time (EST) that is 5Hrs. to the 'west' of Prime Meridian
+        #   is denoted as:
+        #     EST+5 (or) EST+05:00
+        # Reference: https://www.gnu.org/software/libc/manual/html_node/TZ-Variable.html
+        sign = offset.positive? ? "-" : "+"
+
+        rational_hours = offset.abs.to_r / 3600
+        hours = rational_hours.to_i
+        minutes = ((rational_hours - hours) * 60).to_i
+
+        #
+        # Format the hours and minutes as two-digit numbers.
+        time = format("%<hours>02d:%<minutes>02d", :hours => hours, :minutes => minutes)
+
+        Jekyll.logger.debug "Timezone:", "#{timezone} #{sign}#{time}"
+        #
+        # Note: The 3-letter-word below doesn't have a particular significance.
+        "WTZ#{sign}#{time}"
+      end
+    end
+  end
+end