From 9da6b701538a254ba309080de15aab756cc40add Mon Sep 17 00:00:00 2001
From: Eric Nemchik <eric@nemchik.com>
Date: Wed, 9 Dec 2020 16:19:24 -0600
Subject: [PATCH 1/2] Update workflow for version checks

---
 .../{allowed_names.yml => check_samples.yml}         | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)
 rename .github/workflows/{allowed_names.yml => check_samples.yml} (52%)

diff --git a/.github/workflows/allowed_names.yml b/.github/workflows/check_samples.yml
similarity index 52%
rename from .github/workflows/allowed_names.yml
rename to .github/workflows/check_samples.yml
index b32fad8..fd2c0a0 100644
--- a/.github/workflows/allowed_names.yml
+++ b/.github/workflows/check_samples.yml
@@ -1,4 +1,4 @@
-name: Check Allowed File Names
+name: Check Samples
 
 on:
   push:
@@ -22,3 +22,13 @@ jobs:
             echo "${NOT_SAMPLES}"
             exit 1
         fi
+
+    - name: Check Version Date Line Exists
+      run: |
+        VERSION_LINE_MISSING=$(find . -not -path '*/\.*' -type f -name '*.conf.sample' -exec grep -H -c -P '^## Version \d{4}/\d{2}/\d{2}$' {} \; | grep 0$ | cut -d':' -f1)
+        VERSION_LINE_MISSING_COUNT=$(echo "${VERSION_LINE_MISSING}" | wc -w)
+        if (( VERSION_LINE_MISSING_COUNT > 0 )); then
+            echo "The following files are missing the version date line:"
+            echo "${VERSION_LINE_MISSING}"
+            exit 1
+        fi

From 9ab75fbe9e2f1ea49827db3614874886a5a919a1 Mon Sep 17 00:00:00 2001
From: Eric Nemchik <eric@nemchik.com>
Date: Wed, 9 Dec 2020 18:32:52 -0600
Subject: [PATCH 2/2] Advanced date regex with leap year detection

---
 .github/workflows/check_samples.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/check_samples.yml b/.github/workflows/check_samples.yml
index fd2c0a0..58d41ad 100644
--- a/.github/workflows/check_samples.yml
+++ b/.github/workflows/check_samples.yml
@@ -25,7 +25,7 @@ jobs:
 
     - name: Check Version Date Line Exists
       run: |
-        VERSION_LINE_MISSING=$(find . -not -path '*/\.*' -type f -name '*.conf.sample' -exec grep -H -c -P '^## Version \d{4}/\d{2}/\d{2}$' {} \; | grep 0$ | cut -d':' -f1)
+        VERSION_LINE_MISSING=$(find . -not -path '*/\.*' -type f -name '*.conf.sample' -exec grep -H -c -P '^## Version (?:19|20|21)(?:(?:[13579][26]|[02468][048])\/(?:(?:0[1-9]|1[0-2])\/(?:0[1-9]|1[0-9]|2[0-9])|(?:(?!02)(?:0[1-9]|1[0-2])\/(?:30))|(?:(?:0[13578]|1[02])\/31))|(?:[0-9]{2}\/(?:0[1-9]|1[0-2])\/(?:0[1-9]|1[0-9]|2[0-8])|(?:(?!02)(?:0[1-9]|1[0-2])\/(?:29|30))|(?:(?:0[13578]|1[02])\/31)))$' {} \; | grep 0$ | cut -d':' -f1)
         VERSION_LINE_MISSING_COUNT=$(echo "${VERSION_LINE_MISSING}" | wc -w)
         if (( VERSION_LINE_MISSING_COUNT > 0 )); then
             echo "The following files are missing the version date line:"