From 7b3448190c0b623f956ba31f1d2e3f73cd57b277 Mon Sep 17 00:00:00 2001
From: Trevor Ackerman <trevor.ackerman@astronomer.io>
Date: Thu, 23 Oct 2025 17:34:59 -0600
Subject: [PATCH 1/4] Fix problem with regular expression to grab go version
 from go.mod

---
 bin/parse-legacy-file | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bin/parse-legacy-file b/bin/parse-legacy-file
index c6f0e13..411b84f 100755
--- a/bin/parse-legacy-file
+++ b/bin/parse-legacy-file
@@ -34,7 +34,7 @@ get_legacy_version() {
         sed -E \
           -e 's/.*heroku goVersion //' \
           -e 's/[[:space:]]//' \
-          -e 's/go([0-9]+).*/\1/' |
+          -e 's/go([0-9]+.).*/\1/' |
         head -1
     )
   elif [ -e "$current_file" ]; then

From a1155f47b037cf94f30305b058be6efb1481dae3 Mon Sep 17 00:00:00 2001
From: Trevor Ackerman <trevor.ackerman@astronomer.io>
Date: Fri, 24 Oct 2025 09:28:07 -0600
Subject: [PATCH 2/4] improve go version regex

---
 bin/parse-legacy-file | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bin/parse-legacy-file b/bin/parse-legacy-file
index 411b84f..dcd3c1a 100755
--- a/bin/parse-legacy-file
+++ b/bin/parse-legacy-file
@@ -34,7 +34,7 @@ get_legacy_version() {
         sed -E \
           -e 's/.*heroku goVersion //' \
           -e 's/[[:space:]]//' \
-          -e 's/go([0-9]+.).*/\1/' |
+          -e 's/go([1-9][[:digit:]]*\.[[:digit:]]+\.[[:digit:]]+)/\1/' |
         head -1
     )
   elif [ -e "$current_file" ]; then

From d9c24ecbbe4cf21d72ca7fac218bd782eac3e73c Mon Sep 17 00:00:00 2001
From: Trevor Ackerman <trevor.ackerman@astronomer.io>
Date: Fri, 24 Oct 2025 09:35:56 -0600
Subject: [PATCH 3/4] allow patch version to be optional

---
 bin/parse-legacy-file | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bin/parse-legacy-file b/bin/parse-legacy-file
index dcd3c1a..4c1af63 100755
--- a/bin/parse-legacy-file
+++ b/bin/parse-legacy-file
@@ -34,7 +34,7 @@ get_legacy_version() {
         sed -E \
           -e 's/.*heroku goVersion //' \
           -e 's/[[:space:]]//' \
-          -e 's/go([1-9][[:digit:]]*\.[[:digit:]]+\.[[:digit:]]+)/\1/' |
+          -e 's/go([1-9][[:digit:]]*\.[[:digit:]]+(\.[[:digit:]]+)?)/\1/' |
         head -1
     )
   elif [ -e "$current_file" ]; then

From 245907fc8cc24d6ab983b044ee2105db0d112454 Mon Sep 17 00:00:00 2001
From: Trevor Ackerman <trevor.ackerman@astronomer.io>
Date: Fri, 24 Oct 2025 09:43:06 -0600
Subject: [PATCH 4/4] parse legacy file should return highest patch version
 from go.mod match

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

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 93537fe..64fabe4 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -29,7 +29,7 @@ jobs:
 
       - name: Test parsing 'go.mod'
         run: |
-          bin/parse-legacy-file test-fixtures/go.mod | grep "^1.19.3"
+          bin/parse-legacy-file test-fixtures/go.mod | grep "^1.18.6"
       - name: Test parsing '.go-version'
         run: |
           bin/parse-legacy-file test-fixtures/.go-version | grep "^1.17.13"