commit: c7abfb38a783e2cbfa8ccfe01fc7f257c19bca3c
Author: Robin H. Johnson <robbat2 <AT> gentoo <DOT> org>
AuthorDate: Mon Mar 17 19:38:09 2014 +0000
Commit: Richard Farina <zerochaos <AT> gentoo <DOT> org>
CommitDate: Thu May 22 20:05:35 2014 +0000
URL:
http://git.overlays.gentoo.org/gitweb/?p=proj/genkernel.git;a=commit;h=c7abfb38
Document the very large if structure for AUFS.
Signed-off-by: Robin H. Johnson <robbat2 <AT> gentoo.org>
---
defaults/linuxrc | 35 ++++++++++++++++++-----------------
1 file changed, 18 insertions(+), 17 deletions(-)
diff --git a/defaults/linuxrc b/defaults/linuxrc
index b4ce21d..aaf27ad 100644
--- a/defaults/linuxrc
+++ b/defaults/linuxrc
@@ -733,7 +733,7 @@ then
test_success 'Mount filesystem'
FS_LOCATION='mnt/livecd'
# Setup the loopback mounts, if unencrypted
- else
+ else # if [ -n "${CRYPT_ROOT}" ]
if [ "${LOOPTYPE}" = 'normal' ]
then
good_msg 'Mounting loop filesystem'
@@ -801,13 +801,14 @@ then
test_success 'mount /dev/loop0 /'
FS_LOCATION='mnt/livecd'
fi
- fi
+ fi # if [ -n "${CRYPT_ROOT}" ]
if [ "${USE_AUFS_NORMAL}" -eq '1' ]
then
union_insert_dir ${UNION} ${NEW_ROOT}/${FS_LOCATION}
# Make sure fstab notes livecd is mounted ro. Makes system
skip remount which fails on aufs dirs.
+ # TODO: remounting all tmpfs as RO seems weird, can we be more
specific?
sed -e 's|\(.*\s/\s*tmpfs\s*\)defaults\(.*\)|\1defaults,ro\2|'
/${UNION}/etc/fstab > /${UNION}/etc/fstab.new
mv /${UNION}/etc/fstab.new /${UNION}/etc/fstab
warn_msg "Adding all modules in $MODULESD/modules/"
@@ -843,7 +844,7 @@ then
setup_unionfs ${NEW_ROOT} /${FS_LOCATION}
CHROOT=/union
else
- #XXX Note to potential reviewers. diff formats this section very very
oddly. Be sure to review this hunk after applied, do NOT simply read the diff
+ #XXX Note to potential reviewers. diff formats this section
very very oddly. Be sure to review this hunk after applied, do NOT simply read
the diff
if [ ! "${USE_AUFS_NORMAL}" -eq '1' ]
then
good_msg "Copying read-write image contents to tmpfs"
@@ -887,22 +888,22 @@ then
# It does not exist,
make a link to the livecd
ln -s
"/${FS_LOCATION}/${directory}" "${directory}" 2>/dev/null
current_parent="${directory}"
- fi
- done
- fi
- done
+ fi # if [ -e
"/${NEW_ROOT}/${directory}" ] ... else
+ done # while read directory
+ fi # if [ -L "${NEW_ROOT}/${FS_LOCATION}/${x}"
] ... else
+ done # for x in ${ROOT_LINKS}
mkdir -p initramfs proc tmp run sys 2>/dev/null
chmod 1777 tmp
- fi
- #XXX: end extremely confusing hunk
+ fi # if [ ! "${USE_AUFS_NORMAL}" -eq '1' ]
+ #XXX: end extremely confusing hunk
- # have handy /mnt/cdrom (CDROOT_PATH) as well
- _new_cdroot="${NEW_ROOT}${CDROOT_PATH}"
- [ ! -d "${_new_cdroot}" ] && mkdir -p "${_new_cdroot}"
- mount --bind "${CDROOT_PATH}" "${_new_cdroot}"
+ # have handy /mnt/cdrom (CDROOT_PATH) as well
+ _new_cdroot="${NEW_ROOT}${CDROOT_PATH}"
+ [ ! -d "${_new_cdroot}" ] && mkdir -p "${_new_cdroot}"
+ mount --bind "${CDROOT_PATH}" "${_new_cdroot}"
- fi
+ fi # if [ "${USE_UNIONFS_NORMAL}" = '1' ] ... else
#UML=$(cat /proc/cpuinfo|grep UML|sed -e 's|model name.*: ||')
#if [ "${UML}" = 'UML' ]
@@ -914,7 +915,7 @@ then
# Let Init scripts know that we booted from CD
export CDBOOT
CDBOOT=1
-else
+else # if [ "${CDROOT}" = '1' ]
if [ "${USE_UNIONFS_NORMAL}" = '1' ]
then
mkdir /union_changes
@@ -928,7 +929,7 @@ else
mkdir -p ${UNION}/tmp/.initrd
fi
-fi
+fi # if [ "${CDROOT}" = '1' ]
# Mount the additional things as required by udev & systemd
if [ -f ${NEW_ROOT}/etc/initramfs.mounts ]; then
@@ -959,7 +960,7 @@ for fs in $fslist; do
if ! $cmd; then
bad_msg "Unable to mount $dev for $fs"
fi
-done
+done # for fs in $fslist; do
# Execute script on the cdrom just before boot to update things if necessary
cdupdate
