From 4f3b24a200a5dc83d1f3d740047c7a6de241d296 Mon Sep 17 00:00:00 2001
From: Matthew Thompson <matthew.thompson@nasa.gov>
Date: Wed, 18 Mar 2026 07:58:19 -0400
Subject: [PATCH 1/3] v12: Updates for GOCART2G_ExtData repo

---
 .gitignore     | 3 +++
 CHANGELOG.md   | 3 +++
 CMakeLists.txt | 3 ++-
 3 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/.gitignore b/.gitignore
index ec766ae..5408211 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,6 +7,9 @@ GEOSCHEMchem_GridComp/geos-chem@
 /@GOCART/
 /GOCART/
 /GOCART@/
+/@GOCART2G_ExtData/
+/GOCART2G_ExtData/
+/GOCART2G_ExtData@/
 /@QuickChem/
 /QuickChem/
 /QuickChem@/
diff --git a/CHANGELOG.md b/CHANGELOG.md
index bee63cb..82e97d0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 ### Added
+
+- Added CMake for new `GOCART2G_ExtData` subrepo
+
 ### Removed
 ### Changed
 ### Fixed
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 17c88ed..9faba81 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -9,6 +9,7 @@ set (alldirs
   DNA_GridComp
   HEMCO_GridComp
   RRG
+  GOCART2G_ExtData
   )
 
 set (srcs
@@ -16,7 +17,7 @@ set (srcs
   GEOS_ChemEnvGridComp.F90
   )
 
-# Note: GOCART_GridComp is added specifically as it is not longer
+# Note: GOCART_GridComp is added specifically as it is no longer
 #       automatically a dependence through alldirs
 esma_add_library (${this}
   SRCS ${srcs}

From c15a0046f1c163b898025b0b1f516e9960be7877 Mon Sep 17 00:00:00 2001
From: Matthew Thompson <matthew.thompson@nasa.gov>
Date: Wed, 18 Mar 2026 09:29:10 -0400
Subject: [PATCH 2/3] Do CMake the right way

---
 CMakeLists.txt | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9faba81..311e4fd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,6 @@
 esma_set_this ()
 
-esma_add_subdirectories(Shared GOCART TR GMI StratChem MAM MATRIX CARMA GAAS ACHEM)
+esma_add_subdirectories(Shared GOCART TR GMI StratChem MAM MATRIX CARMA GAAS ACHEM GOCART2G_ExtData)
 
 set (alldirs
   GEOSpchem_GridComp
@@ -9,7 +9,6 @@ set (alldirs
   DNA_GridComp
   HEMCO_GridComp
   RRG
-  GOCART2G_ExtData
   )
 
 set (srcs

From 26b88010e6f0231385a8d4299575c5e227fa717e Mon Sep 17 00:00:00 2001
From: Matthew Thompson <matthew.thompson@nasa.gov>
Date: Wed, 15 Apr 2026 11:04:39 -0400
Subject: [PATCH 3/3] Fix up CMake and ignore

---
 .gitignore     | 6 +++---
 CMakeLists.txt | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/.gitignore b/.gitignore
index 5408211..f8538f6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,9 +7,9 @@ GEOSCHEMchem_GridComp/geos-chem@
 /@GOCART/
 /GOCART/
 /GOCART@/
-/@GOCART2G_ExtData/
-/GOCART2G_ExtData/
-/GOCART2G_ExtData@/
+/@Aerosol_ExtData/
+/Aerosol_ExtData/
+/Aerosol_ExtData@/
 /@QuickChem/
 /QuickChem/
 /QuickChem@/
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 311e4fd..6173a7a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,6 @@
 esma_set_this ()
 
-esma_add_subdirectories(Shared GOCART TR GMI StratChem MAM MATRIX CARMA GAAS ACHEM GOCART2G_ExtData)
+esma_add_subdirectories(Shared GOCART TR GMI StratChem MAM MATRIX CARMA GAAS ACHEM Aerosol_ExtData)
 
 set (alldirs
   GEOSpchem_GridComp