diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
new file mode 100644
index 000000000..dbf574b21
--- /dev/null
+++ b/.pre-commit-config.yaml
@@ -0,0 +1,77 @@
+ci:
+    # autofix_commit_msg: |
+    #     [pre-commit.ci] auto fixes from pre-commit.com hooks
+    #
+    #     for more information, see https://pre-commit.ci
+    autofix_prs: false
+    autoupdate_branch: ""
+    autoupdate_commit_msg: '[pre-commit.ci] pre-commit autoupdate'
+    autoupdate_schedule: weekly
+    skip: []
+    submodules: false
+
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v5.0.0
+    hooks:
+    - id: check-added-large-files
+    - id: check-ast
+    - id: check-builtin-literals
+    # - id: check-case-conflict
+    - id: check-docstring-first
+    - id: check-executables-have-shebangs
+    # - id: check-illegal-windows-names
+    - id: check-json
+    - id: check-merge-conflict
+    - id: check-shebang-scripts-are-executable
+      exclude: '(^setup\.bash$|^setup/tue-data.bash$|^setup/tue-env.bash$|^setup/tue-functions.bash$|^setup/tue-misc.bash$)'
+    - id: check-symlinks
+    - id: check-toml
+    - id: check-vcs-permalinks
+    - id: check-xml
+    - id: check-yaml
+    - id: debug-statements
+    - id: destroyed-symlinks
+    # - id: detect-aws-credentials
+    - id: detect-private-key
+    # - id: double-quote-string-fixer
+    - id: end-of-file-fixer
+    # - id: file-contents-sorter
+    #   files: []
+    - id: fix-byte-order-marker
+    - id: fix-encoding-pragma
+      args: [--remove]
+    # - id: forbid-new-submodules
+    # - id: forbid-submodules
+    - id: mixed-line-ending
+      args: ["--fix", "no"]
+    # - id: name-tests-test
+    #   args: [
+    #     "--pytest-test-first" # test_.*\.py
+    #     # "--pytest" # .*_test\.py
+    #     # "--unittest" # test.*\.py
+    #   ]
+    - id: no-commit-to-branch
+    - id: pretty-format-json
+    # - id: requirements-txt-fixer
+    # - id: sort-simple-yaml
+    #   files: []
+    - id: trailing-whitespace
+      args: [--markdown-linebreak-ext=md]
+
+  - repo: https://github.com/psf/black
+    rev: 24.10.0
+    hooks:
+      - id: black
+        args: [--check, --diff, --color]
+
+  - repo: https://github.com/shellcheck-py/shellcheck-py
+    rev: v0.10.0.1
+    hooks:
+      - id: shellcheck
+        files: '\S\.(bash|sh)'
+
+  - repo: https://github.com/pre-commit-ci/pre-commit-ci-config
+    rev: v1.6.1
+    hooks:
+      - id: check-pre-commit-ci-config
diff --git a/ci/azure_commit_range.py b/ci/azure_commit_range.py
old mode 100644
new mode 100755
index ddf16f61b..936be493c
--- a/ci/azure_commit_range.py
+++ b/ci/azure_commit_range.py
@@ -1,10 +1,5 @@
 #! /usr/bin/env python3
 
-import json
-import os
-import sys
-from urllib.request import urlopen
-
 """
 Script to determine the commit range of a build in azure pipelines.
 
@@ -15,6 +10,11 @@
 If the range is just 1 commit, an empty string is printed.
 """
 
+import json
+import os
+import sys
+from urllib.request import urlopen
+
 TEAM_FOUNDATION_URI = os.getenv("SYSTEM_TEAMFOUNDATIONCOLLECTIONURI")
 TEAM_PROJECT = os.getenv("SYSTEM_TEAMPROJECT")
 BUILD_ID = os.getenv("BUILD_BUILDID")
diff --git a/ci/organization-packages.sh b/ci/organization-packages.sh
old mode 100644
new mode 100755
diff --git a/installer/lsb_release.py b/installer/lsb_release.py
old mode 100644
new mode 100755
diff --git a/installer/tue-get-dep.bash b/installer/tue-get-dep.bash
index aa00f521a..fecfb3ed4 100755
--- a/installer/tue-get-dep.bash
+++ b/installer/tue-get-dep.bash
@@ -21,7 +21,7 @@ function _show_dep
     fi
 
     local indent_str
-    indent_str=$(perl -E 'say "--" x '$indent)
+    indent_str=$(perl -E 'say "--" x '"${indent}")
 
     if [ -n "$2" ]
     then
@@ -34,7 +34,7 @@ function _show_dep
     else
         if [ -n "$LEVEL" ]
         then
-            if [[ $indent > $LEVEL ]]
+            if [[ ${indent} -gt ${LEVEL} ]]
             then
                 return
             fi
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 000000000..c18fdf4dd
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,3 @@
+[tool.black]
+line-length = 120
+target-version = ["py38"]
diff --git a/setup/tue-env-config.bash b/setup/tue-env-config.bash
index 1eb7e66f4..68bcefb7a 100755
--- a/setup/tue-env-config.bash
+++ b/setup/tue-env-config.bash
@@ -150,7 +150,7 @@ function tue-env-set
     echo -e "[tue-env](config) Environment '${tue_env}' has '${option}' set to '${value}'"
 }
 
-function _main
+function _tue-env-config-main
 {
     if [ -z "$1" ]
     then
@@ -190,4 +190,6 @@ function _main
     fi
 }
 
-_main "$@"
+_tue-env-config-main "$@"
+
+unset -f _tue-env-config-main