grub: move get_grub_boot_params() into grub.py

Move get_grub_boot_params() into the file related to all the grub
configuration.

1 files changed, 18 insertions, 0 deletions

diff --git a/src/utils/grub.py b/src/utils/grub.py
index ca7eb86..4b403db 100644
--- a/src/utils/grub.py
+++ b/src/utils/grub.py
@@ -110,6 +110,24 @@ class MenuEntry:
         entry_name = entry_name.replace('!', r'\!')
         return entry_name
 
+
+def get_grub_boot_params(mountpoint, device):
+    grub_conf = f'{mountpoint}/etc/default/grub'
+    res = []
+
+    with open(grub_conf, 'r') as f:
+        for line in f:
+            if line.find('=') == -1:
+                continue
+            key, value = line.split('=', 1)
+            if key == 'GRUB_CMDLINE_LINUX' or key == 'GRUB_CMDLINE_LINUX_DEFAULT':
+                value = value.replace('\n', '')
+                value = value.strip('"')
+                res.append(value)
+    res.append(f'root={device}')
+    return " ".join(res)
+
+
 def _get_linux_data(disk_num, part_num, mountpoint):
     os_entry = {}
     os_entry['name'] = f'{os_probe(mountpoint)} ({disk_num}, {part_num})'