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#!/bin/sh
: ${RCM_LIB:=`dirname $0`/../share/rcm}
. $RCM_LIB/rcm.sh
link_or_copy() {
$DEBUG "link_or_copy $1"
local sigil=$1
if [ "x$sigil" = "xX" ]; then
echo $CP
else
echo $LN
fi
}
link_file() {
local src=$1
local dest=$2
local sigil=$3
if [ -h $dest ]; then
$RM -f $dest
fi
action=`link_or_copy $sigil`
$DEBUG "$action $src $dest"
$action $src $dest
}
replace_file() {
local src=$1
local dest=$2
local sigil=$3
$DEBUG replace_file $1 $2 $3
$RM -rf $dest
link_file $src $dest $sigil
}
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
local sigil=$3
$DEBUG handle_file $1 $2 $3
if [ -e "$dest" ]; then
if is_identical $src $dest; then
$VERBOSE "identical $dest"
elif [ $REPLACE_ALL -eq 1 ]; then
replace_file $src $dest $sigil
else
$PROMPT "overwrite ${dest}? [ynaq]"
read overwrite
case $overwrite in
a) REPLACE_ALL=1
replace_file $src $dest $sigil
;;
y) replace_file $src $dest $sigil ;;
q) exit 1 ;;
*) $VERBOSE "skipping $dest" ;;
esac
fi
else
link_file $src $dest $sigil
fi
}
show_help() {
local exit_code=${1:-0}
$PRINT "Usage: rcup [-CVqvfhikK] [-I EXCL_PAT] [-x EXCL_PAT] [-t TAG] [-d DOT_DIR]"
$PRINT "see rcup(1) and rcm(5) for more details"
exit $exit_code
}
handle_command_line() {
local arg_tags=
local verbosity=0
local version=0
local run_hooks=1
local dotfiles_dirs=
local files=
local excludes=
local includes=
local always_copy=0
REPLACE_ALL=0
while getopts CVqvfhikKI:x:t:d: opt; do
case "$opt" in
C) always_copy=1 ;;
d) dotfiles_dirs="$dotfiles_dirs $OPTARG" ;;
f) REPLACE_ALL=1 ;;
h) show_help ;;
i) REPLACE_ALL=0 ;;
I) includes="$includes $OPTARG" ;;
k) run_hooks=1 ;;
K) run_hooks=0 ;;
q) verbosity=$(($verbosity - 1)) ;;
t) arg_tags="$arg_tags $OPTARG" ;;
v) verbosity=$(($verbosity + 1)) ;;
V) version=1 ;;
x) excludes="$excludes $OPTARG" ;;
esac
done
shift $(($OPTIND-1))
if [ $always_copy -eq 1 ]; then
LN=$CP
fi
handle_common_flags rcup $version $verbosity
tags=${arg_tags:-$TAGS}
DOTFILES_DIRS=${dotfiles_dirs:-$DOTFILES_DIRS}
RUN_HOOKS=$run_hooks
files=$@
for tag in $tags; do
LS_ARGS="$LS_ARGS -t $tag"
done
for dotfiles_dir in $DOTFILES_DIRS; do
LS_ARGS="$LS_ARGS -d $dotfiles_dir"
done
for exclude in $excludes; do
LS_ARGS="$LS_ARGS -x $exclude"
done
for include in $includes; do
LS_ARGS="$LS_ARGS -I $include"
done
LS_ARGS="$LS_ARGS $files"
$DEBUG "LS_ARGS: $LS_ARGS"
}
LS_ARGS=-F
if [ -e $HOME/.rcrc ]; then
. $HOME/.rcrc
fi
handle_command_line $*
: ${DOTFILES_DIRS:=$DOTFILES_DIRS $DEFAULT_DOTFILES_DIR}
run_hooks pre up
for dest_and_src in `lsrc $LS_ARGS`; do
saved_ifs=$IFS
IFS=:
set $dest_and_src
IFS=$saved_ifs
dest=$1
src=$2
sigil=$3
if is_nested $dest; then
handle_dir $dest
fi
handle_file $src $dest $sigil
done
run_hooks post up
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