Install golang, comments

Author: tautschnig

.github/workflows/update-subtree.yml

@@ -85,9 +85,15 @@ jobs:
       if: ${{ env.SUBTREE_PR_EXISTS == 'no' }}
       run: |
         cd splitsh-lite
-        sudo apt-get install -y libgit2-dev
+        sudo apt-get install -y golang libgit2-dev
+        # git2go upstream hasn't been updated to more recent versions of
+        # libgit2, so using a fork that does stay up to date
         sed -i 's#github.com/libgit2/git2go#github.com/jeffwelling/git2go#' go.mod splitter/*
+        # may need to adjust "v37" to a higher number per
+        # https://github.com/jeffWelling/git2go?tab=readme-ov-file#which-go-version-to-use
+        # depening on the libgit2 version being installed
         sed -i -e 's/v34/v37/g' go.mod splitter/*.go
+        # v37.0.0 had issues that weren't fully fixed until v37.0.4
         sed -i 's/v37.0.0/v37.0.4/' go.mod
         go mod tidy
         go build -o splitsh-lite github.com/splitsh/lite