DeforaOS Artwork
#!/bin/sh
#$Id$
#Copyright (c) 2014-2020 Pierre Pronchery <khorben@defora.org>
#
#Redistribution and use in source and binary forms, with or without
#modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
#THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
#AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
#IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
#DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
#FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
#DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
#SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
#CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
#OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
#OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#variables
CONFIGSH="${0%/shlint.sh}/../config.sh"
PROGNAME="shlint.sh"
PROJECTCONF="../project.conf"
#executables
DATE="date"
DEBUG="_debug"
FIND="find"
MKDIR="mkdir -p"
SHLINT="sh -n"
SORT="sort -n"
TR="tr"
[ -f "$CONFIGSH" ] && . "$CONFIGSH"
#functions
#shlint
_shlint()
{
res=0
subdirs=
$DATE
echo
while read line; do
case "$line" in
"["*)
break
;;
"subdirs="*)
subdirs=${line#subdirs=}
subdirs=$(echo "$subdirs" | $TR ',' ' ')
;;
esac
done < "$PROJECTCONF"
if [ ! -n "$subdirs" ]; then
_error "Could not locate directories to analyze"
return $?
fi
for subdir in $subdirs; do
[ -d "../$subdir" ] || continue
for filename in $($FIND "../$subdir" -type f -a -name '*.sh' | $SORT); do
_shlint_file "$filename"
if [ $? -eq 0 ]; then
echo "$filename:"
else
echo "$PROGNAME: $filename: FAIL" 1>&2
res=2
fi
done
done
return $res
}
_shlint_file()
{
$DEBUG $SHLINT "$filename" 2>&1 || return 2
#try to detect invalid use of return
#XXX this test is not accurate (therefore a warning)
warn=0
while read line; do
case "$line" in
*return*)
warn=1
;;
*)
warn=0
;;
esac
done < "$filename"
if [ $warn -ne 0 ]; then
_error "$filename: return instead of exit in the global scope"
fi
return 0
}
#debug
_debug()
{
echo "$@" 1>&3
"$@"
res=$?
#ignore errors when the command is not available
[ $res -eq 127 ] && return 0
return $res
}
#error
_error()
{
echo "$PROGNAME: $@" 1>&2
return 2
}
#usage
_usage()
{
echo "Usage: $PROGNAME [-c] target..." 1>&2
return 1
}
#main
clean=0
while getopts "cO:P:" name; do
case "$name" in
c)
clean=1
;;
O)
export "${OPTARG%%=*}"="${OPTARG#*=}"
;;
P)
#XXX ignored for compatibility
;;
?)
_usage
exit $?
;;
esac
done
shift $((OPTIND - 1))
if [ $# -lt 1 ]; then
_usage
exit $?
fi
#clean
[ $clean -ne 0 ] && exit 0
exec 3>&1
ret=0
while [ $# -gt 0 ]; do
target="$1"
dirname="${target%/*}"
shift
if [ -n "$dirname" -a "$dirname" != "$target" ]; then
$MKDIR -- "$dirname" || ret=$?
fi
_shlint > "$target" || ret=$?
done
exit $ret