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generic-poky/scripts/sstate-cache-management.sh

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#!/bin/bash
# Copyright (c) 2012 Wind River Systems, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# Global vars
cache_dir=
confirm=
fsym=
total_deleted=0
verbose=
debug=0
usage () {
cat << EOF
Welcome to sstate cache management utilities.
sstate-cache-management.sh <OPTION>
Options:
-h, --help
Display this help and exit.
--cache-dir=<sstate cache dir>
Specify sstate cache directory, will use the environment
variable SSTATE_CACHE_DIR if it is not specified.
--extra-layer=<layer1>,<layer2>...<layern>
Specify the layer which will be used for searching the archs,
it will search the meta and meta-* layers in the top dir by
default, and will search meta, meta-*, <layer1>, <layer2>,
...<layern> when specified. Use "," as the separator.
This is useless for --stamps-dir.
-d, --remove-duplicated
Remove the duplicated sstate cache files of one package, only
the newest one will be kept. The duplicated sstate cache files
of one package must have the same arch, which means sstate cache
files with multiple archs are not considered duplicate.
Conflicts with --stamps-dir.
--stamps-dir=<dir1>,<dir2>...<dirn>
Specify the build directory's stamps directories, the sstate
cache file which IS USED by these build diretories will be KEPT,
other sstate cache files in cache-dir will be removed. Use ","
as the separator. For example:
--stamps-dir=build1/tmp/stamps,build2/tmp/stamps
Conflicts with --remove-duplicated.
-L, --follow-symlink
Rmove both the symbol link and the destination file, default: no.
-y, --yes
Automatic yes to prompts; assume "yes" as answer to all prompts
and run non-interactively.
-v, --verbose
explain what is being done
-D, --debug
show debug info, repeat for more debug info
EOF
}
if [ $# -lt 1 ]; then
usage
exit 0
fi
# Echo no files to remove
no_files () {
echo No files to remove
}
# Echo nothing to do
do_nothing () {
echo Nothing to do
}
# Read the input "y"
read_confirm () {
echo -n "$total_deleted files will be removed! "
if [ "$confirm" != "y" ]; then
echo -n "Do you want to continue (y/n)? "
while read confirm; do
[ "$confirm" = "Y" -o "$confirm" = "y" -o "$confirm" = "n" \
-o "$confirm" = "N" ] && break
echo -n "Invalid input \"$confirm\", please input 'y' or 'n': "
done
else
echo
fi
}
# Print error information and exit.
echo_error () {
echo "ERROR: $1" >&2
exit 1
}
# Generate the remove list:
#
# * Add .done/.siginfo to the remove list
# * Add destination of symlink to the remove list
#
# $1: output file, others: sstate cache file (.tgz)
gen_rmlist (){
local rmlist_file="$1"
shift
local files="$@"
for i in $files; do
echo $i >> $rmlist_file
# Add the ".siginfo"
if [ -e $i.siginfo ]; then
echo $i.siginfo >> $rmlist_file
fi
# Add the destination of symlink
if [ -L "$i" ]; then
if [ "$fsym" = "y" ]; then
dest="`readlink -e $i`"
if [ -n "$dest" ]; then
echo $dest >> $rmlist_file
# Remove the .siginfo when .tgz is removed
if [ -f "$dest.siginfo" ]; then
echo $dest.siginfo >> $rmlist_file
fi
fi
fi
# Add the ".tgz.done" and ".siginfo.done" (may exist in the future)
base_fn="${i##/*/}"
t_fn="$base_fn.done"
s_fn="$base_fn.siginfo.done"
for d in $t_fn $s_fn; do
if [ -f $cache_dir/$d ]; then
echo $cache_dir/$d >> $rmlist_file
fi
done
fi
done
}
# Remove the duplicated cache files for the pkg, keep the newest one
remove_duplicated () {
local topdir
local oe_core_dir
local tunedirs
local all_archs
local all_machines
local ava_archs
local arch
local file_names
local sstate_list
local fn_tmp
local list_suffix=`mktemp` || exit 1
# Find out the archs in all the layers
echo -n "Figuring out the archs in the layers ... "
oe_core_dir=$(dirname $(dirname $(readlink -e $0)))
topdir=$(dirname $oe_core_dir)
tunedirs="`find $topdir/meta* ${oe_core_dir}/meta* $layers -path '*/meta*/conf/machine/include' 2>/dev/null`"
[ -n "$tunedirs" ] || echo_error "Can't find the tune directory"
all_machines="`find $topdir/meta* ${oe_core_dir}/meta* $layers -path '*/meta*/conf/machine/*' -name '*.conf' 2>/dev/null | sed -e 's/.*\///' -e 's/.conf$//'`"
all_archs=`grep -r -h "^AVAILTUNES .*=" $tunedirs | sed -e 's/.*=//' -e 's/\"//g'`
# Add the qemu and native archs
# Use the "_" to substitute "-", e.g., x86-64 to x86_64
# Sort to remove the duplicated ones
all_archs=$(echo $all_archs $all_machines $(uname -m) \
| sed -e 's/-/_/g' -e 's/ /\n/g' | sort -u)
echo "Done"
# Save all the sstate files in a file
sstate_list=`mktemp` || exit 1
find $cache_dir -name 'sstate-*.tgz' >$sstate_list
echo -n "Figuring out the suffixes in the sstate cache dir ... "
sstate_suffixes="`sed 's/.*_\([^_]*\)\.tgz$/\1/g' $sstate_list | sort -u`"
echo "Done"
echo "The following suffixes have been found in the cache dir:"
echo $sstate_suffixes
echo -n "Figuring out the archs in the sstate cache dir ... "
for arch in $all_archs; do
grep -q "\-$arch-" $sstate_list
[ $? -eq 0 ] && ava_archs="$ava_archs $arch"
done
echo "Done"
echo "The following archs have been found in the cache dir:"
echo $ava_archs
echo ""
# Save the file list which needs to be removed
local remove_listdir=`mktemp -d` || exit 1
for suffix in $sstate_suffixes; do
# Save the file list to a file, some suffix's file may not exist
grep "sstate-.*_$suffix.tgz" $sstate_list >$list_suffix 2>/dev/null
local deleted=0
echo -n "Figuring out the sstate-xxx_$suffix.tgz ... "
# There are at list 6 dashes (-) after arch, use this to avoid the
# greedy match of sed.
file_names=`for arch in $ava_archs; do
sed -ne 's#.*/\(sstate-.*\)-'"$arch"'-.*-.*-.*-.*-.*-.*#\1#p' $list_suffix
done | sort -u`
fn_tmp=`mktemp` || exit 1
rm_list="$remove_listdir/sstate-xxx_$suffix"
for fn in $file_names; do
[ -z "$verbose" ] || echo "Analyzing $fn-xxx_$suffix.tgz"
for arch in $ava_archs; do
grep -h "/$fn-$arch-" $list_suffix >$fn_tmp
if [ -s $fn_tmp ] ; then
[ $debug -gt 1 ] && echo "Available files for $fn-$arch- with suffix $suffix:" && cat $fn_tmp
# Use the modification time
to_del=$(ls -t $(cat $fn_tmp) | sed -n '1!p')
[ $debug -gt 2 ] && echo "Considering to delete: $to_del"
# The sstate file which is downloaded from the SSTATE_MIRROR is
# put in SSTATE_DIR, and there is a symlink in SSTATE_DIR/??/ to
# it, so filter it out from the remove list if it should not be
# removed.
to_keep=$(ls -t $(cat $fn_tmp) | sed -n '1p')
[ $debug -gt 2 ] && echo "Considering to keep: $to_keep"
for k in $to_keep; do
if [ -L "$k" ]; then
# The symlink's destination
k_dest="`readlink -e $k`"
# Maybe it is the one in cache_dir
k_maybe="$cache_dir/${k##/*/}"
# Remove it from the remove list if they are the same.
if [ "$k_dest" = "$k_maybe" ]; then
to_del="`echo $to_del | sed 's#'\"$k_maybe\"'##g'`"
fi
fi
done
rm -f $fn_tmp
[ $debug -gt 2 ] && echo "Decided to delete: $to_del"
gen_rmlist $rm_list "$to_del"
fi
done
done
[ ! -s "$rm_list" ] || deleted=`cat $rm_list | wc -l`
[ -s "$rm_list" -a $debug -gt 0 ] && cat $rm_list
echo "($deleted files will be removed)"
let total_deleted=$total_deleted+$deleted
done
rm -f $list_suffix
rm -f $sstate_list
if [ $total_deleted -gt 0 ]; then
read_confirm
if [ "$confirm" = "y" -o "$confirm" = "Y" ]; then
for list in `ls $remove_listdir/`; do
echo -n "Removing $list.tgz (`cat $remove_listdir/$list | wc -w` files) ... "
# Remove them one by one to avoid the argument list too long error
for i in `cat $remove_listdir/$list`; do
rm -f $verbose $i
done
echo "Done"
done
echo "$total_deleted files have been removed!"
else
do_nothing
fi
else
no_files
fi
[ -d $remove_listdir ] && rm -fr $remove_listdir
}
# Remove the sstate file by stamps dir, the file not used by the stamps dir
# will be removed.
rm_by_stamps (){
local cache_list=`mktemp` || exit 1
local keep_list=`mktemp` || exit 1
local rm_list=`mktemp` || exit 1
local suffixes
local sums
local all_sums
suffixes="populate_sysroot populate_lic package_write_ipk \
package_write_rpm package_write_deb package deploy"
# Figure out all the md5sums in the stamps dir.
echo -n "Figuring out all the md5sums in stamps dir ... "
for i in $suffixes; do
# There is no "\.sigdata" but "_setcene" when it is mirrored
# from the SSTATE_MIRRORS, use them to figure out the sum.
sums=`find $stamps -maxdepth 3 -name "*.do_$i.*" \
-o -name "*.do_${i}_setscene.*" | \
sed -ne 's#.*_setscene\.##p' -e 's#.*\.sigdata\.##p' | \
sed -e 's#\..*##' | sort -u`
all_sums="$all_sums $sums"
done
echo "Done"
# Save all the state file list to a file
find $cache_dir -name 'sstate-*.tgz' | sort -u -o $cache_list
echo -n "Figuring out the files which will be removed ... "
for i in $all_sums; do
grep ".*-${i}_.*" $cache_list >>$keep_list
done
echo "Done"
if [ -s $keep_list ]; then
sort -u $keep_list -o $keep_list
to_del=`comm -1 -3 $keep_list $cache_list`
gen_rmlist $rm_list "$to_del"
let total_deleted=(`cat $rm_list | wc -w`)
if [ $total_deleted -gt 0 ]; then
[ $debug -gt 0 ] && cat $rm_list
read_confirm
if [ "$confirm" = "y" -o "$confirm" = "Y" ]; then
echo "Removing sstate cache files ... ($total_deleted files)"
# Remove them one by one to avoid the argument list too long error
for i in `cat $rm_list`; do
rm -f $verbose $i
done
echo "$total_deleted files have been removed"
else
do_nothing
fi
else
no_files
fi
else
echo_error "All files in cache dir will be removed! Abort!"
fi
rm -f $cache_list
rm -f $keep_list
rm -f $rm_list
}
# Parse arguments
while [ -n "$1" ]; do
case $1 in
--cache-dir=*)
cache_dir=`echo $1 | sed -e 's#^--cache-dir=##' | xargs readlink -e`
[ -d "$cache_dir" ] || echo_error "Invalid argument to --cache-dir"
shift
;;
--remove-duplicated|-d)
rm_duplicated="y"
shift
;;
--yes|-y)
confirm="y"
shift
;;
--follow-symlink|-L)
fsym="y"
shift
;;
--extra-layer=*)
extra_layers=`echo $1 | sed -e 's#^--extra-layer=##' -e 's#,# #g'`
[ -n "$extra_layers" ] || echo_error "Invalid extra layer $i"
for i in $extra_layers; do
l=`readlink -e $i`
if [ -d "$l" ]; then
layers="$layers $l"
else
echo_error "Can't find layer $i"
fi
done
shift
;;
--stamps-dir=*)
stamps=`echo $1 | sed -e 's#^--stamps-dir=##' -e 's#,# #g'`
[ -n "$stamps" ] || echo_error "Invalid stamps dir $i"
for i in $stamps; do
[ -d "$i" ] || echo_error "Invalid stamps dir $i"
done
shift
;;
--verbose|-v)
verbose="-v"
shift
;;
--debug|-D)
debug=`expr $debug + 1`
echo "Debug level $debug"
shift
;;
--help|-h)
usage
exit 0
;;
*)
echo "Invalid arguments $*"
echo_error "Try 'sstate-cache-management.sh -h' for more information."
;;
esac
done
# sstate cache directory, use environment variable SSTATE_CACHE_DIR
# if it was not specified, otherwise, error.
[ -n "$cache_dir" ] || cache_dir=$SSTATE_CACHE_DIR
[ -n "$cache_dir" ] || echo_error "No cache dir found!"
[ -d "$cache_dir" ] || echo_error "Invalid cache directory \"$cache_dir\""
[ -n "$rm_duplicated" -a -n "$stamps" ] && \
echo_error "Can not use both --remove-duplicated and --stamps-dir"
[ "$rm_duplicated" = "y" ] && remove_duplicated
[ -n "$stamps" ] && rm_by_stamps
[ -z "$rm_duplicated" -a -z "$stamps" ] && \
echo "What do you want to do?"
exit 0
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