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#!/bin/sh
# $Id: update-htfonts 1061 2022-01-20 22:17:17Z karl $
# Public domain. Originally written by Karl Berry, 2022.
# don't bother with real option parsing.
if test $# -ne 3; then
cat <<END_USAGE
Usage: $0 [ diff | update ] HTF-DEVDIR HTF-INSTDIR
END_USAGE
exit 1
fi
cp="cp -pv"
mkdir="mkdir -v"
svn=svn
if test x"$1" = xdiff; then
shift
do_updates=false
cp="echo would $cp"
mkdir="echo would $mkdir"
svn="echo would $svn"
elif test x"$1" = xupdate; then
shift
do_updates=true
else
echo "$0: first arg must be \`diff' or \`update', not: $1" >&2
exit 1
fi
devdir=$1
instdir=$2
verbose=true
tmp=/tmp/htdif # prefix
if test ! -d "$devdir"; then
echo "$0: devdir not a directory: $devdir" >&2
exit 1
fi
if test ! -d "$instdir"; then
echo "$0: instdir not a directory: $instdir" >&2
exit 1
fi
# Function to copy SRC to DEST, or fail. Just calls $cp.
#
copy_file () {
src=$1; dest=$2
#
# show diff from (older) DEST to newer (SRC).
diff -u0 "$dest" "$src" >>$tmp.0
#
if $cp "$src" "$dest"; then :; else
echo "$0: copy ($cp) failed: $src -> $dest" >&2
exit 1
fi
}
# Function to compare SRC to DEST. Return zero if equivalent,
# nonzero if different (or DEST does not exist, etc.).
#
# Remove a timestamp string from both files for comparison:
# YYYY-MM-DD-HH:MM or just YYYY-MM-DD
#
htf_same () {
src=$1; dest=$2;
#
src_filtered=$tmp.s`basename "$src"`
dest_filtered=$tmp.d`basename "$dest"`
#
sed 's/20[0-9][0-9]-[0-9][0-9]-[0-9][0-9]\(-[0-9][0-9]:[0-9][0-9]\)*//' \
$src >$src_filtered || exit 1
sed 's/20[0-9][0-9]-[0-9][0-9]-[0-9][0-9]\(-[0-9][0-9]:[0-9][0-9]\)*//' \
$dest >$dest_filtered || exit 1
cmp -s "$src_filtered" "$dest_filtered"
}
# Iterate through all files in the dev directory.
echo "$0: comparing $devdir"
echo "$0: to $instdir"
>$tmp.0 # accumulate diffs here
#
find "$devdir" -type f -print | sort | while read devf; do
instf=`echo "$devf" | sed "s,^$devdir/,$instdir/,"`
if test -r "$instf"; then
# we have a file in both directories; see if they are the same (enough).
if htf_same "$devf" "$instf"; then
: # $verbose && echo "`basename \"$devf\"`: same ($devf == $instf)"
else
$verbose && echo "`basename \"$devf\"`: diff ($devf != $instf)"
copy_file "$devf" "$instf"
fi
else
# no destination file. see if we have the containing directory.
destdirf=`dirname "$instf"`
if test -d "$destdirf"; then
# have directory, so add file.
$verbose && echo "newfile ($devf -> $instf)"
copy_file "$devf" "$instf"
$svn add "$devf"
else
# don't even have directory. create it, then copy file.
$mkdir "$destdirf"
$verbose && echo "newdir ($devf -> $destdirf)"
if test ! -d "$destdirf"; then
echo "$0: could not make dest dir: $destdirf (for $devf->$instf)" >&2
exit 1
fi
$svn add "$destdirf"
copy_file "$devf" "$instf"
$svn add $devf
fi
fi
done
# check for extra files in $instdir
(cd "$devdir" && find . -type f -print | sort) >$tmp.devdir || exit 1
(cd "$instdir" && find . -type f -print | sort) >$tmp.instdir || exit 1
echo "Files in devdir and not in instdir (should be empty):"
comm -23 $tmp.devdir $tmp.instdir
echo "Files in instdir and not in devdir, you should remove:"
comm -13 $tmp.devdir $tmp.instdir
# maybe better to leave it for manual removal?
echo "Done."
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