From 176b024d1f8d42d0c5b791847f46ad58be14387a Mon Sep 17 00:00:00 2001
From: Pascal Rigaux <pixel@mandriva.com>
Date: Wed, 14 Sep 2005 17:58:07 +0000
Subject: add upgrade script for conectiva

---
 .../share/upgrade/conectiva.10/pre.merge-groups.sh | 87 ++++++++++++++++++++++
 1 file changed, 87 insertions(+)
 create mode 100755 perl-install/share/upgrade/conectiva.10/pre.merge-groups.sh

(limited to 'perl-install/share/upgrade/conectiva.10/pre.merge-groups.sh')

diff --git a/perl-install/share/upgrade/conectiva.10/pre.merge-groups.sh b/perl-install/share/upgrade/conectiva.10/pre.merge-groups.sh
new file mode 100755
index 000000000..b735d2bbe
--- /dev/null
+++ b/perl-install/share/upgrade/conectiva.10/pre.merge-groups.sh
@@ -0,0 +1,87 @@
+#!/bin/bash
+#
+# cnc2mdv /etc/group file merger
+#
+# What it does:
+#
+#   - Adds three new groups: 
+#     - Check if these groups or its gids already exists;
+#   - Remove root from the wheel group.
+#
+
+destfile=${destfile:-/etc/group}
+backupfile=${destfile}.cnc2mdv
+
+# these are the new groups that are introduced by Mandriva
+groups=( usb 43 tape 21 nogroup 65534 )
+
+# error codes
+group_already_exists_=8
+group_already_exists=9
+gid_not_unique=4
+
+sort_groups_by_gid()
+{
+    sort -nt: +2 -3 -o $destfile $destfile #wow
+
+    return 0
+}
+
+
+add_new_groups()
+{
+    for (( i=0; i < ${#groups[@]}; i += 2)); do 
+        n=$[$i+1]
+        gid=${groups[$n]}
+        gname=${groups[$i]}
+        
+        errors=yes
+        while [ $errors = "yes" ]; do
+            groupadd -g $gid $gname
+            case $? in
+                0)
+                    # ok, no errors, group really added
+                    errors=no
+                ;;
+                
+                $group_already_exists | $group_already_exists_ )
+                    # ok, no problem at all
+                    errors=no
+                ;;
+                
+                $gid_not_unique)
+                    # bleh, increment gid and try again
+                    # hum, but if ... 65534?
+                    gid=$[$gid+1]
+                ;;
+
+                *)
+                    echo "unexpected error during groupadd ($?)"
+                    return 1;
+                ;;
+            esac
+        done # while errors
+    done # for
+    
+    return 0
+}
+
+
+remove_root_from_wheel()
+{
+    sed -i 's/\(wheel:[^:]*:[^:]*:\)root,*\(.*\)/\1\2/' ${destfile}
+
+    return 0
+}
+
+
+main()
+{
+    add_new_groups &&
+        sort_groups_by_gid && 
+        remove_root_from_wheel 
+}
+
+main
+
+# vim:ts=4:sw=4:ai
-- 
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