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|
#!@SHELL@
: ${RCM_LIB:=$(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_v"
else
echo "$LN"
fi
}
link_file() {
local src="$1"
local dest="$2"
local sigil="$3"
if [ -h "$dest" ]; then
rm_v -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" $3
rm_v -rf "$dest"
link_file "$src" "$dest" "$sigil"
}
is_nested() {
echo "$1" | sed "s:$DEST_DIR/::" | grep -q '/'
}
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 [-CfhiKkqVv] [-B HOSTNAME] [-d DOT_DIR] [-I EXCL_PAT] [-S EXCL_PAT] [-t TAG] [-x EXCL_PAT]"
$PRINT "see rcup(1) and rcm(7) for more details"
exit $exit_code
}
handle_command_line() {
local arg_tags=
local verbosity=0
local version=0
local run_hooks=1
local dotfiles_dirs=
local files=
local excludes=
local includes=
local always_copy=0
local symlink_dirs=
local hostname=
REPLACE_ALL=0
while getopts :CVqvfhikKI:x:S:t:d:B: opt; do
case "$opt" in
B) hostname="$OPTARG" ;;
C) always_copy=1 ;;
d) dotfiles_dirs="$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 $OPTARG" ;;
S) symlink_dirs="$symlink_dirs $OPTARG";;
v) verbosity=$(($verbosity + 1)) ;;
V) version=1 ;;
x) excludes="$excludes $OPTARG" ;;
?) show_help 64 ;;
esac
done
shift $(($OPTIND-1))
LN="ln_v"
if [ $always_copy -eq 1 ]; then
LN="cp_v"
fi
handle_common_flags rcup $version $verbosity
hostname="$(determine_hostname "$hostname")"
tags="${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
for symlink_dir in $symlink_dirs; do
LS_ARGS="$LS_ARGS -S $symlink_dir"
done
LS_ARGS="$LS_ARGS -B $hostname $files"
$DEBUG "LS_ARGS: $LS_ARGS"
}
LS_ARGS=-F
handle_command_line "$@"
: ${DOTFILES_DIRS:=$DOTFILES_DIRS $DEFAULT_DOTFILES_DIR}
run_hooks pre up
dests_and_srcs="$(lsrc $LS_ARGS)"
saved_ifs="$IFS"
IFS='
'
for dest_and_src in $dests_and_srcs; do
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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