[Bugfix:Developer] Lock tree sitter (#13)

* lock tree sitter to hash of most recent commit

* add scanner.c to test

* testing fix

* change identifier

* update branch usage

* spacing change to fix var name

* re-add string changes:

* change to string, and relocate locked_branch

* adjust path

* adjusting cloningg and resetting

* uncomment popd

* pushd and popd instead of cd

* shellcheck changes

* linting and spacing changes

build.sh

@@ -12,7 +12,11 @@ mkdir -p "${BUILD_DIR}"
 mkdir -p "${INCLUDE_DIR}"
 
 ########################################################################
+# These variables specify the minimum version necessary for
+# dependencies between versions.
+source "${CUR_DIR}"/versions.sh
 
+########################################################################
 # Clone the tree-sitter repos
 repos=( tree-sitter tree-sitter-python tree-sitter-c tree-sitter-cpp tree-sitter-java)
 
@@ -21,24 +25,25 @@ do
     dir="${INCLUDE_DIR}/${repo}"
 
     echo "clone or update ${repo}... "
-
+    LOCKED_BRANCH="${repo//-/_}"_hash
+    cd "${CUR_DIR}"
     if [ -d "${dir}" ]; then
         echo "pulling changes ..."
         # IF THE REPO ALREADY EXISTS...
         pushd "${dir}"
 
-        CURRENT_BRANCH=$(git branch --show-current)
-
         # PULL CHANGES
         git fetch
-        git reset --hard HEAD
-        git merge "origin/${CURRENT_BRANCH}"
+        git reset --hard "${!LOCKED_BRANCH}"
 
         popd
     else
         # THE REPO DID NOT EXIST
         echo "the repository did not previously exist cloning... "
-        git clone --depth 1 "https://github.com/tree-sitter/${repo}" "${INCLUDE_DIR}/${repo}"
+        git clone "https://github.com/tree-sitter/${repo}" "${INCLUDE_DIR}/${repo}"
+        pushd "${dir}"
+        git reset --hard "${!LOCKED_BRANCH}"
+        popd
     fi
 done
 

versions.sh

@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+########################################################################
+
+# These variables specify the version of these dependencies that we
+# want. This affects both checking out the repo as well as installation
+# of built artificats.
+
+# If tree sitter in the future has more consistant releases, or better ways 
+# of locking the version, adjust this to be versions instead of commits
+
+# TREE-SITTER REPOS
+# Python -- Merge pull request #193 from tree-sitter/tausbn/... -- Feb 28, 23
+export tree_sitter_python_hash=62827156d01c74dc1538266344e788da74536b8a
+# Tree-Sitter - Avoid unused value warning from array_pop -- Jun 14, 23
+export tree_sitter_hash=d0029a15273e526925a764033e9b7f18f96a7ce5
+# cpp -- Merge pull request #209 from amaanq/rewrite-it-in-c -- Jun 18, 23
+export tree_sitter_cpp_hash=2e29f23abcb5f92ddffb22de8b292f09ed78db01
+# C -- Merge pull request #141 from JasonBrownDeveloper/offsetof -- Jun 13, 23
+export tree_sitter_c_hash=f1b2a0b2102ff001a4ed9a26cd9a9405d09c590c
+# Java -- Merge pull request #144 from stelf/patch-1 -- April 19, 23
+export tree_sitter_java_hash=c194ee5e6ede5f26cf4799feead4a8f165dcf14d