Adjusted --remove-bootoption handling to allow arbitrary regex.

[grml2usb.git] / grml2usb

diff --git a/grml2usb b/grml2usb
index ded9382..24c81d1 100755 (executable)
--- a/grml2usb
+++ b/grml2usb
@@ -19,7 +19,7 @@ import datetime, logging, os, re, subprocess, sys, tempfile, time, os.path
 import fileinput
 
 # global variables
-PROG_VERSION = "0.9.13"
+PROG_VERSION = "0.9.14"
 MOUNTED = set()  # register mountpoints
 TMPFILES = set() # register tmpfiles
 DATESTAMP = time.mktime(datetime.datetime.now().timetuple()) # unique identifier for syslinux.cfg
@@ -60,6 +60,8 @@ parser.add_option("--mbr-menu", dest="mbrmenu", action="store_true",
                   help="enable interactive boot menu in MBR")
 parser.add_option("--quiet", dest="quiet", action="store_true",
                   help="do not output anything but just errors on console")
+parser.add_option("--remove-bootoption", dest="removeoption", action="append",
+                  help="regex for removing existing bootoptions")
 parser.add_option("--skip-addons", dest="skipaddons", action="store_true",
                   help="do not install /boot/addons/ files")
 parser.add_option("--skip-grub-config", dest="skipgrubconfig", action="store_true",
@@ -1248,6 +1250,23 @@ def identify_grml_flavour(mountpath):
     return grml_flavour
 
 
+def modify_grub_config(filename):
+    if options.removeoption:
+        regexe = []
+        for regex in options.removeoption:
+            regexe.append(re.compile(r'%s' % regex))
+
+        option_re = re.compile(r'(.*/boot/release/.*linux26.*)')
+
+        for line in fileinput.input(filename, inplace=1):
+            if regexe and option_re.search(line):
+                for regex in regexe:
+                    line = regex.sub(r'', line)
+
+            sys.stdout.write(line)
+
+        fileinput.close()
+
 def handle_grub1_config(grml_flavour, install_partition, grub_target, bootopt):
     """Main handler for generating grub1 configuration
 
@@ -1286,6 +1305,8 @@ def handle_grub1_config(grml_flavour, install_partition, grub_target, bootopt):
         grub1_config_file.write(generate_flavour_specific_grub1_config(grml_flavour, install_partition, bootopt))
         grub1_config_file.close()
 
+    modify_grub_config(grub1_cfg)
+
     # make sure grub.conf isn't a symlink but a plain file instead,
     # otherwise it will break on FAT16 filesystems
     # this works around grub-install of (at least) Fedora 10
@@ -1343,6 +1364,8 @@ def handle_grub2_config(grml_flavour, grub_target, bootopt):
         grub2_config_file.write(generate_flavour_specific_grub2_config(grml_flavour, bootopt))
         grub2_config_file.close()
 
+    modify_grub_config(grub2_cfg)
+
 
 def handle_grub_config(grml_flavour, device, target):
     """Main handler for generating grub (v1 and v2) configuration
@@ -1418,12 +1441,23 @@ def adjust_syslinux_bootoptions(src, flavour):
     else:
         bootopt = options.bootoptions
 
+    regexe = []
+    option_re = None
+    if options.removeoption:
+        option_re = re.compile(r'/boot/release/.*/initrd.gz')
+
+        for regex in options.removeoption:
+            regexe.append(re.compile(r'%s' % regex))
+
     for line in fileinput.input(src, inplace=1):
         line = boot_re.sub(r'/boot/release/%s/\2 ' % flavour.replace('-', ''), line)
         # line = flavour_re.sub(r'\1 %s-\2' % flavour, line)
         line = default_re.sub(r'%s-\1' % flavour, line)
         line = append_re.sub(r'\1 live-media-path=/live/%s/ ' % flavour, line)
         line = append_re.sub(r'\1 boot=live %s ' % bootopt, line)
+        if option_re and option_re.search(line):
+            for regex in regexe:
+                line = regex.sub('', line)
         sys.stdout.write(line)
     fileinput.close()
 
@@ -1863,6 +1897,7 @@ def main():
     # finally be politely :)
     logging.info("Finished execution of grml2usb (%s). Have fun with your grml system.", PROG_VERSION)
 
+
 if __name__ == "__main__":
     try:
         main()