diff options
| author | David Oberhollenzer <david.oberhollenzer@tele2.at> | 2018-04-06 22:18:02 +0200 |
|---|---|---|
| committer | David Oberhollenzer <david.oberhollenzer@tele2.at> | 2018-04-07 01:33:58 +0200 |
| commit | d0764e77b265bc1fc99456ddd3d3e3a088ef1f78 (patch) | |
| tree | e8304056143d8fd49074ee9431eb1c722b21fc46 /scripts | |
| parent | 4f4a377d7acb555193566db3ee459adc19e2e6a5 (diff) | |
Add pygos specific overlay fs setup
Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/Makemodule.am | 2 | ||||
| -rw-r--r-- | scripts/overlay.sh.in | 21 |
2 files changed, 22 insertions, 1 deletions
diff --git a/scripts/Makemodule.am b/scripts/Makemodule.am index e6de18d..d09b603 100644 --- a/scripts/Makemodule.am +++ b/scripts/Makemodule.am @@ -1,2 +1,2 @@ scriptdir = @SCRIPTDIR@ -script_SCRIPTS = scripts/devfs.sh scripts/trymount.sh +script_SCRIPTS = scripts/devfs.sh scripts/trymount.sh scripts/overlay.sh diff --git a/scripts/overlay.sh.in b/scripts/overlay.sh.in new file mode 100644 index 0000000..b53eea7 --- /dev/null +++ b/scripts/overlay.sh.in @@ -0,0 +1,21 @@ +#!/bin/sh + +lower=/cfg/preserve/${1} +upper=/cfg/overlay/${1} +work=/cfg/overlay/${1}_work +target=${2} + +if [ ! -d "$target" ]; then + exit +fi + +if [ -d "$lower" ]; then + if [ -d "$upper" ]; then + @BINPATH@/mkdir -p "$work" + @SBINPATH@/mount -t overlay overlay \ + -olowerdir=${lower},upperdir=${upper},workdir=${work} \ + ${target} + else + @SBINPATH@/mount --bind "$lower" "$target" + fi +fi |