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[scripts] add plymouth-generate-initrd script

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One useful way to use plymouth is by installing it into
an auxillary initrd image, that overlays the primary one.

This allows plymouth and its current theme to get updated
indepedently of the kernel and the rest of the initrd
stuff.

plymouth-generate-initrd creates an initrd named:

     initrd-plymouth.img

in /boot that is suitable for use a second initrd on
the initrd line in grub.conf.
This commit is contained in:
Ray Strode 2009-08-28 20:00:08 -04:00
parent 92d75daf5a
commit 803204e6cb
2 changed files with 26 additions and 1 deletions
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3
scripts/Makefile.am
View file

@ -1,7 +1,7 @@
noinst_SCRIPTS = new-object.sh
initrdscriptdir = $(libexecdir)/plymouth
initrdscript_SCRIPTS = plymouth-update-initrd plymouth-populate-initrd
initrdscript_SCRIPTS = plymouth-update-initrd plymouth-generate-initrd plymouth-populate-initrd
sbinscriptsdir = $(sbindir)
sbinscripts_SCRIPTS = plymouth-set-default-theme
@ -20,6 +20,7 @@ plymouth-set-default-theme: $(srcdir)/plymouth-set-default-theme.in
$(srcdir)/plymouth-set-default-theme.in > plymouth-set-default-theme
EXTRA_DIST= plymouth-update-initrd \
plymouth-generate-initrd \
plymouth-populate-initrd.in \
plymouth-set-default-theme.in \
$(noinst_SCRIPTS) \

24
scripts/plymouth-generate-initrd Executable file
View file

@ -0,0 +1,24 @@
#!/bin/bash
[ -z "$DESTDIR" ] || exit 0
[ -z "$PLYMOUTH_LIBEXECDIR" ] && PLYMOUTH_LIBEXECDIR="/usr/libexec"
[ -z "$PLYMOUTH_DATADIR" ] && PLYMOUTH_DATADIR="/usr/share"
[ -z "$PLYMOUTH_POPULATE_INITRD" ] && PLYMOUTH_POPULATE_INITRD="$PLYMOUTH_LIBEXECDIR/plymouth/plymouth-populate-initrd"
[ -z "$PLYMOUTH_DESTDIR" ] && PLYMOUTH_DESTDIR="/boot"
[ -z "$PLYMOUTH_IMAGE_FILE" ] && PLYMOUTH_IMAGE_FILE="$PLYMOUTH_DESTDIR/initrd-plymouth.img"
PLYMOUTH_INITRD_DIR="$(mktemp --tmpdir -d plymouth-XXXXXXX)"
$PLYMOUTH_POPULATE_INITRD -t "$PLYMOUTH_INITRD_DIR"
if [ $? -eq 0 ]; then
(cd $PLYMOUTH_INITRD_DIR;
# FIXME: might make sense to add a flag to plymouth-populate-initrd to
# skip these from the start
rm -f lib*/{ld*,libc*,libdl*,libm*,libz*,libpthread*}
find | cpio -Hnewc -o | gzip -9 > $PLYMOUTH_IMAGE_FILE
)
fi
rm -rf $PLYMOUTH_INITRD_DIR