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|
#!/bin/bash
########################################################################
# Copy a file system hierarchy to a destination tree, copying only
# files that are either: language neutral, or specific to a particular
# language.
########################################################################
# We assume the following naming convention, because that is what the
# docs currently seem to use.
#
# <filename>-<locale>.<ext> is a language-specific file, such as
# "foo-en.png".
#
# <filename>.<ext> is a language-neutral file, such as "foo.png".
########################################################################
# How Do We Choose Which Images Get Copied?
#
# We use two methods: one manual, the other automatic. If all your
# image files conform to the above filename conventions, then we will
# choose the appropriate image files automatically. If you name your
# image files using another method, then you will need to list the
# files to be copied in a "figs/Manifest-${LANG}" file.
#
# Before copying anything, we try to read the file "figs/Manifest-${LANG}"
# for the list of files. If this file is missing, we will choose the
# files based on the above naming convention.
#
# An easy way of generating the Manifest is like this:
#
# rm -f figs/Manifest-${LANG}
# find figs -print >/tmp/Manifest-${LANG} &&
# mv /tmp/Manifest-${LANG} figs/
#
# Then manually edit that file to remove anything you don't want copied.
# Files matching "*/CVS/*" or "*/.svn/*" are ignored automatically.
########################################################################
targetLang=en
bnFilter=
DEBUG=no
VERBOSE=no
die() {
printf "${ME}: %s\n" "$@" >&2
exit 1
}
glob2sed() {
s=""
i=1
while true
do
c=$(echo "${1}" | cut -c$i)
if [ -z "${c}" ]; then
break
fi
case "${c}" in
'.' )
s="${s}[.]"
;;
'*' )
s="${s}.*"
;;
'?' )
s="${s}."
;;
* )
s="${s}${c}"
;;
esac
i=$(expr $i + 1)
done
echo "${s}"
}
ME=$(/bin/basename $0)
USAGE="usage: ${ME} [-D] [-f glob] [-l lang] [-V] /path/to/source/dir /path/to/dest/dir"
while getopts Df:l:v c
do
case "${c}" in
D) DEBUG='';;
f)
sedFilter=$(glob2sed "${OPTARG}")
bnFilter="${bnFilter} -e /^${sedFilter}$/p"
;;
l) targetLang="${OPTARG}";;
v) VERBOSE='';;
*) echo "${USAGE}" >&2; exit 1;;
esac
done
shift $(expr ${OPTIND} - 1)
if [ $# -ne 2 ]; then
echo "${USAGE}" >&2
exit 1
fi
SRC="$1"
DST="$2"
shift 2
case "${SRC}" in
/* )
;;
~/* )
SRC=${HOME}/$(echo "${SRC}" | cut -c2,-)
;;
* )
SRC="$(/bin/pwd)/${SRC}"
;;
esac
case "${DST}" in
/* )
;;
~/* )
DST=${HOME}/$(echo "${DST}" | cut -c2,-)
;;
* )
DST="$(/bin/pwd)/${DST}"
;;
esac
if [ -z "${bnFilter}" ]; then
bnFilter="-e /^.*$/p"
fi
[ "${DEBUG}" ] || echo >&2 "bnFilter=|${bnFilter}|"
leadin=$(/usr/bin/dirname "${SRC}")
[ "${DEBUG}" ] || echo >&2 "leadin=|${leadin}|"
haveManifest=$(
[ "${DEBUG}" ] || echo >&2 "Checking ${SRC}/Manifest-${targetLang}"
if [ -f "${SRC}/Manifest-${targetLang}" ]; then
echo yes
else
echo no
fi
)
[ "${DEBUG}" ] || echo >&2 "haveManifest=|${haveManifest}|"
if [ "${haveManifest}" = "yes" ]; then
[ "${VERBOSE}" ] ||
echo >&2 "Using manifest to get ${targetLang} file names"
fi
(
if [ "${haveManifest}" = "yes" ]; then
# We have a manifest file, so get the list of
# RELATIVE filenames from there.
cat "${SRC}/Manifest-${targetLang}"
else
# No manifest, resort to a search
find "${SRC}" -print
fi
) |
while read fn
do
[ "${DEBUG}" ] || echo >&2 "Considering '${fn}'"
# Skip anything that even looks like CVS or SVN
case "${fn}" in
*CVS* | *.svn* )
continue
;;
esac
# Figure out the relative path for this pathname chunk
if [ "${haveManifest}" = "yes" ]; then
rp="${fn}"
fn="${leadin}/${rp}"
else
rp=$(
echo $(/usr/bin/dirname "${fn}")/$(/bin/basename "${fn}") |
/bin/sed "s;^${leadin}/*;;"
)
fi
[ "${DEBUG}" ] || echo >&2 "rp=|${rp}|"
# Copy directories, even if they are going to be empty.
# Inodes are cheap, as long as you have enough.
if [ -d "${fn}" ]; then
[ "${VERBOSE}" ] || echo >&2 "Creating ${rp}"
/bin/mkdir -p "${DST}"/"${rp}"
continue
fi
# May not want this file under any circumstances
bn=$(/bin/basename "${rp}")
filteredBn=$(echo "${bn}" | sed -n ${bnFilter})
if [ "${haveManifest}" = "no" -a -z "${filteredBn}" ]; then
[ "${DEBUG}" ] || echo >&2 "Filter rejects |${fn}|"
continue
fi
# We want this file if the language matches or if it is
# language neutral
copyIt=${haveManifest}
case "${bn}" in
*-${targetLang}.* )
# Has matching language
copyIt=yes
;;
*-??.* | *-??_??.* )
# Doesn't match target language
;;
* )
# Assume language neutral file
copyIt=yes
;;
esac
[ "${DEBUG}" ] || echo >&2 "copyIt=${copyIt}"
# Copy file if we like it
if [ "${copyIt}" = "yes" ]; then
[ "${VERBOSE}" ] || echo >&2 "Copying file |$fn|"
/bin/mkdir -p $(/usr/bin/dirname "${DST}/${rp}")
/bin/cp "${fn}" "${DST}/${rp}"
else
[ "${VERBOSE}" ] || echo >&2 "Rejecting file |$fn|"
fi
done
|
