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scripts/gen_initramfs_list.sh: teach INITRAMFS_ROOT_UID and INITRAMFS_ROOT_GID that -1 means "current user".

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Teach INITRAMFS_ROOT_UID and INITRAMFS_ROOT_GID that -1 means "current user".

Link: http://lkml.kernel.org/r/2df3a9fb-4378-fa16-679d-99e788926c05@landley.net
Signed-off-by: Rob Landley <rob@landley.net>
Cc: Michal Marek <mmarek@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Rob Landley 2017-07-06 15:35:43 -07:00 committed by Linus Torvalds
parent 3922920026
commit 595a22acee
2 changed files with 6 additions and 8 deletions
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2
scripts/gen_initramfs_list.sh
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@ -271,10 +271,12 @@ while [ $# -gt 0 ]; do
case "$arg" in
"-u") # map $1 to uid=0 (root)
root_uid="$1"
[ "$root_uid" = "-1" ] && root_uid=$(id -u || echo 0)
shift
;;
"-g") # map $1 to gid=0 (root)
root_gid="$1"
[ "$root_gid" = "-1" ] && root_gid=$(id -g || echo 0)
shift
;;
"-d") # display default initramfs list

12
usr/Kconfig
View File

@ -36,10 +36,8 @@ config INITRAMFS_ROOT_UID
depends on INITRAMFS_SOURCE!=""
default "0"
help
This setting is only meaningful if the INITRAMFS_SOURCE is
contains a directory. Setting this user ID (UID) to something
other than "0" will cause all files owned by that UID to be
owned by user root in the initial ramdisk image.
If INITRAMFS_SOURCE points to a directory, files owned by this UID
(-1 = current user) will be owned by root in the resulting image.
If you are not sure, leave it set to "0".
@ -48,10 +46,8 @@ config INITRAMFS_ROOT_GID
depends on INITRAMFS_SOURCE!=""
default "0"
help
This setting is only meaningful if the INITRAMFS_SOURCE is
contains a directory. Setting this group ID (GID) to something
other than "0" will cause all files owned by that GID to be
owned by group root in the initial ramdisk image.
If INITRAMFS_SOURCE points to a directory, files owned by this GID
(-1 = current group) will be owned by root in the resulting image.
If you are not sure, leave it set to "0".