3 files changed, 55 insertions, 4 deletions

diff --git a/lib/python/qmk/cli/__init__.py b/lib/python/qmk/cli/__init__.py
index 094ea80b8..edf351d62 100644
--- a/lib/python/qmk/cli/__init__.py
+++ b/lib/python/qmk/cli/__init__.py
@@ -31,6 +31,7 @@ safe_commands = [
 subcommands = [
     'qmk.cli.bux',
     'qmk.cli.c2json',
+    'qmk.cli.cd',
     'qmk.cli.cformat',
     'qmk.cli.chibios.confmigrate',
     'qmk.cli.clean',
diff --git a/lib/python/qmk/cli/cd.py b/lib/python/qmk/cli/cd.py
new file mode 100755
index 000000000..c62c3f56c
--- /dev/null
+++ b/lib/python/qmk/cli/cd.py
@@ -0,0 +1,46 @@
+"""Open a shell in the QMK Home directory
+"""
+import sys
+import os
+
+from milc import cli
+
+from qmk.path import under_qmk_firmware
+
+
+@cli.subcommand('Go to QMK Home')
+def cd(cli):
+    """Go to QMK Home
+    """
+    if not sys.stdout.isatty():
+        cli.log.error("This command is for interactive usage only. For non-interactive usage, 'cd $(qmk env QMK_HOME)' is more robust.")
+        sys.exit(1)
+
+    if not under_qmk_firmware():
+        # Only do anything if the user is not under qmk_firmware already
+        # in order to reduce the possibility of starting multiple shells
+        cli.log.info("Spawning a subshell in your QMK_HOME directory.")
+        cli.log.info("Type 'exit' to get back to the parent shell.")
+        if not cli.platform.lower().startswith('windows'):
+            # For Linux/Mac/etc
+            # Check the user's login shell from 'passwd'
+            # alternatively fall back to $SHELL env var
+            # and finally to '/bin/bash'.
+            import getpass
+            import pwd
+            shell = pwd.getpwnam(getpass.getuser()).pw_shell
+            if not shell:
+                shell = os.environ.get('SHELL', '/bin/bash')
+            # Start the new subshell
+            os.execl(shell, shell)
+        else:
+            # For Windows
+            # Check the $SHELL env var
+            # and fall back to '/usr/bin/bash'.
+            qmk_env = os.environ.copy()
+            # Set the prompt for the new shell
+            qmk_env['MSYS2_PS1'] = qmk_env['PS1']
+            # Start the new subshell
+            cli.run([os.environ.get('SHELL', '/usr/bin/bash')], env=qmk_env)
+    else:
+        cli.log.info("Already within qmk_firmware directory.")
diff --git a/lib/python/qmk/info.py b/lib/python/qmk/info.py
index d81f30438..dc42fdd4d 100644
--- a/lib/python/qmk/info.py
+++ b/lib/python/qmk/info.py
@@ -25,6 +25,13 @@ def _valid_community_layout(layout):
     return (Path('layouts/default') / layout).exists()
 
 
+def _remove_newlines_from_labels(layouts):
+    for layout_name, layout_json in layouts.items():
+        for key in layout_json['layout']:
+            if '\n' in key['label']:
+                key['label'] = key['label'].split('\n')[0]
+
+
 def info_json(keyboard):
     """Generate the info.json data for a specific keyboard.
     """
@@ -100,10 +107,7 @@ def info_json(keyboard):
     _check_matrix(info_data)
 
     # Remove newline characters from layout labels
-    for layout_name, layout_json in layouts.items():
-        for key in layout_json['layout']:
-            if '\n' in key['label']:
-                key['label'] = key['label'].split('\n')[0]
+    _remove_newlines_from_labels(layouts)
 
     return info_data