Reset nodebuild when trying to update it (#418)

* Add support for nodebuild branches

* Add workaround for asdf clearing nodebuild

* Conditionally reset nodebuild if no binary

Author: augustobmoura

lib/commands/command-update-nodebuild

@@ -6,24 +6,31 @@ source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/../utils.sh"
 
 : "${ASDF_NODEJS_NODEBUILD_HOME=$ASDF_NODEJS_PLUGIN_DIR/.node-build}"
 : "${ASDF_NODEJS_NODEBUILD_REPOSITORY=https://github.com/nodenv/node-build.git}"
+: "${ASDF_NODEJS_NODEBUILD_BRANCH=main}"
 
 ensure_updated_project() {
-  local pull_exit_code=0 output=
+  local pull_exit_code=0
 
   if ! [ -d "$ASDF_NODEJS_NODEBUILD_HOME" ]; then
     printf "Cloning node-build...\n"
-    git clone "$ASDF_NODEJS_NODEBUILD_REPOSITORY" "$ASDF_NODEJS_NODEBUILD_HOME"
+    git clone "$ASDF_NODEJS_NODEBUILD_REPOSITORY" "$ASDF_NODEJS_NODEBUILD_HOME" --branch "$ASDF_NODEJS_NODEBUILD_BRANCH"
   else
     printf "Trying to update node-build..."
-    output=$(git -C "$ASDF_NODEJS_NODEBUILD_HOME" pull origin master 2>&1) || pull_exit_code=$?
+    git -C "$ASDF_NODEJS_NODEBUILD_HOME" fetch origin "$ASDF_NODEJS_NODEBUILD_BRANCH" >&2 || pull_exit_code=$?
+    git -C "$ASDF_NODEJS_NODEBUILD_HOME" checkout "$ASDF_NODEJS_NODEBUILD_BRANCH" >&2 || true
 
     if [ "$pull_exit_code" != 0 ]; then
-      printf "\n%s\n\n" "$output" >&2
-      printf "$(colored $RED ERROR): Pulling the node-build repository exited with code %s\n" "$pull_exit_code" >&2
-      printf "Please check if the git repository at %s doesn't have any changes or anything\nthat might not allow a git pull\n" "$ASDF_NODEJS_NODEBUILD_HOME" >&2
+      printf "$(colored $RED ERROR): Pulling the node-build repository exited with code %s\n" "$pull_exit_code"
+      printf "Please check if the git repository at %s doesn't have any changes or anything\nthat might not allow a git pull\n" "$ASDF_NODEJS_NODEBUILD_HOME"
       exit $pull_exit_code
     fi
 
+    # For some time, asdf-core was cleaning up the node-build directory by accident
+    # This is a workaround to restore the files that were deleted
+    if ! [ -f "$ASDF_NODEJS_NODEBUILD_HOME/bin/nodebuild" ]; then
+      git -C "$ASDF_NODEJS_NODEBUILD_HOME" checkout HEAD . >&2
+    fi
+
     printf " ok\n"
   fi
 }