diff --git a/cd/__init__.py b/cd/__init__.py
index e045397..8f2bf6e 100644
--- a/cd/__init__.py
+++ b/cd/__init__.py
@@ -21,10 +21,20 @@ def cd_browse_workspace():
             absolute_path = os.path.join(directory, file)
             relative_path = os.path.relpath(absolute_path, start=project.root)
             paths.append(relative_path)
-    for path in paths:
+    for path in sorted(paths):
         print(path)
 
 
+def cd_build_project():
+    for extension in ['py', 'sh']:
+        path = os.path.join(project.root, f'build.{extension}')
+        if os.path.exists(path):
+            ps.run(path)
+            break
+    else:
+        pass
+
+
 def cd_clone_branch():
     print(f'''\
 {project.url}
@@ -35,7 +45,7 @@ def cd_clone_branch():
         '--branch', project.branch,
         '--',
         project.url,
-        os.path.realpath(os.curdir),
+        project.root,
     )
 
 
@@ -48,6 +58,7 @@ def install_commands(path):
     user = '/usr/local/bin'
     for command in [
         'browse-workspace',
+        'build-project',
         'clone-branch',
         'list-environment',
     ]:
diff --git a/cmd/cd-browse-workspace.sh b/cmd/cd-browse-workspace.sh
deleted file mode 100755
index b99d6d2..0000000
--- a/cmd/cd-browse-workspace.sh
+++ /dev/null
@@ -1 +0,0 @@
-tree -a "${GITHUB_WORKSPACE}"
diff --git a/cmd/cd-build-project.sh b/cmd/cd-build-project.sh
deleted file mode 100755
index 460566e..0000000
--- a/cmd/cd-build-project.sh
+++ /dev/null
@@ -1,9 +0,0 @@
-if [ -x './build.py' ] ; then
-    ./build.py \
-    || exit
-elif [ -x './build.sh' ] ; then
-    ./build.sh \
-    || exit
-else
-    exit
-fi
diff --git a/cmd/cd-clone-branch.sh b/cmd/cd-clone-branch.sh
deleted file mode 100755
index e84ff7b..0000000
--- a/cmd/cd-clone-branch.sh
+++ /dev/null
@@ -1,8 +0,0 @@
-git clone \
---branch "${GITHUB_REF_NAME}" \
--- \
-"${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}" \
-'.'
-
-rm --force --recursive \
-'.git' '.gitignore'