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|
#!/bin/sh
#set -x
REPLACE_ALL=0
DEST_DIR=$HOME
DEBUG=:
PRINT=echo
PROMPT=echo_n
VERBOSE=:
MKDIR=mkdir
LN=ln
RM=rm
echo_n() {
printf "%s " "$*"
}
link_file() {
local src=$1
local dest=$2
$PRINT "linking $dest"
if [ -h $dest ]; then
rm -f $dest
fi
$LN -s $src $dest
}
replace_file() {
local src=$1
local dest=$2
$DEBUG replace_file $1 $2
$RM -rf $dest
link_file $src $dest
}
is_nested() {
echo $1 | sed "s:$DEST_DIR/::" | grep -q /
return $?
}
is_identical() {
diff -q -s $1 $2 > /dev/null
}
handle_dir() {
local dest=$1
$DEBUG handle_dir $1
dirname $dest | xargs $MKDIR -p
}
handle_file() {
local src=$1
local dest=$2
$DEBUG handle_file $1 $2
if [ -e "$dest" ]; then
if is_identical $src $dest; then
$VERBOSE "identical $dest"
elif [ $REPLACE_ALL -eq 1 ]; then
replace_file $src $dest
else
$PROMPT "overwrite ${dest}? [ynaq]"
read overwrite
case $overwrite in
a) REPLACE_ALL=1
replace_file $src $dest
;;
y) replace_file $src $dest ;;
q) exit 1 ;;
*) $VERBOSE "skipping $dest" ;;
esac
fi
else
link_file $src $dest
fi
}
handle_command_line() {
arg_tags=""
verbosity=0
version=0
dotfiles_dirs=
LS_ARGS=
while getopts Vqvt:d: opt; do
case "$opt" in
t)
arg_tags="$arg_tags $OPTARG"
LS_ARGS="$LS_ARGS -t $OPTARG"
;;
v) verbosity=$(($verbosity + 1));;
q) verbosity=$(($verbosity - 1));;
d)
dotfiles_dirs="$dotfiles_dirs $OPTARG"
LS_ARGS="$LS_ARGS -d $OPTARG"
;;
V) version=1
esac
done
shift $(($OPTIND-1))
if [ $version -eq 1 ]; then
version rcup
exit 0
elif [ $verbosity -ge 2 ]; then
DEBUG=echo
VERBOSE=echo
PRINT=echo
elif [ $verbosity -eq 1 ]; then
DEBUG=:
VERBOSE=echo
PRINT=echo
elif [ $verbosity -eq 0 ]; then
DEBUG=:
VERBOSE=:
PRINT=echo
else
DEBUG=:
VERBOSE=:
PRINT=:
fi
if [ "x$arg_tags" != "x" ]; then
TAGS=$arg_tags
fi
if [ "x$dotfiles_dirs" != "x" ]; then
DOTFILES_DIRS=$dotfiles_dirs
fi
FILES=$@
LS_ARGS="$LS_ARGS $FILES"
}
if [ -e $HOME/.rcrc ]; then
. $HOME/.rcrc
fi
. `dirname $0`/../share/rcm/rcm.sh
handle_command_line $*
for dest_and_src in `lsrc $LS_ARGS`; do
dest=`echo $dest_and_src | sed 's/:.*//'`
src=`echo $dest_and_src | sed 's/.*://'`
if is_nested $dest; then
handle_dir $dest
fi
handle_file $src $dest
done
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