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path: root/bin/mkrc.in
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#!@SHELL@

: ${RCM_LIB:=$(dirname "$0")/../share/rcm}
. "$RCM_LIB/rcm.sh"

destination() {
  local dotfiles_dir="$1"
  local dotless="$2"
  local in_host="$3"
  local tag="$4"

  $DEBUG "destination $dotfiles_dir $dotless $in_host $tag"

  if [ "x$tag" != "x" ]; then
    echo "$dotfiles_dir/tag-$tag"
  elif [ $in_host = 1 ]; then
    echo "$dotfiles_dir/host-$HOSTNAME"
  else
    echo "$dotfiles_dir"
  fi
}

show_help() {
  local exit_code=${1:-0}

  $PRINT "Usage: mkrc [-ChSsUuVvqo] [-t TAG] [-d DIR] [-B HOSTNAME] FILES ..."
  $PRINT "see mkrc(1) and rcm(7) for more details"

  exit $exit_code
}

if [ $# -eq 0 ]; then
  show_help 64
fi

for DOTFILES_DIR in $DOTFILES_DIRS $DEFAULT_DOTFILES_DIR; do
  break
done

tag=
hostname=
verbosity=0
in_host=0
version=0
always_copy=0
force_symlink=50
undotted=50
install_args=

while getopts :ChSsUuVvqot:d:B: opt; do
  case "$opt" in
    C) always_copy=1 ;;
    h) show_help ;;
    t) tag="$OPTARG" ;;
    v) verbosity=$(($verbosity + 1)) ;;
    q) verbosity=$(($verbosity - 1)) ;;
    o) in_host=1 ;;
    d) DOTFILES_DIR="$OPTARG" ;;
    V) version=1 ;;
    S) force_symlink=1 ;;
    s) force_symlink=0 ;;
    U) undotted=1 ;;
    u) undotted=0 ;;
    B)
      in_host=1
      hostname="$OPTARG"
      install_args="-B $hostname"
      ;;
    ?) show_help 64 ;;
  esac
done
shift $(($OPTIND-1))

handle_common_flags mkrc $version $verbosity
HOSTNAME="$(determine_hostname "$hostname")"

if [ $in_host -eq 1 -a "x$tag" != "x" ]; then
  $ERROR 1 "Cannot specify both -o and -t"
fi

if [ $always_copy -eq 1 ]; then
  INSTALL="$INSTALL -C"
fi

files=""
for i; do
  files="$(printf "$files\n$i")"
done

if [ $force_symlink -eq 1 ]; then
  for file in $files; do
    dedotted="$(de_dot "$file")"
    INSTALL="$INSTALL -S $dedotted"
  done
elif [ $force_symlink -eq 0 ]; then
  for file in $files; do
    dedotted="$(de_dot "$file")"
    INSTALL="$INSTALL -s $dedotted"
  done
fi

if [ $undotted -eq 1 ]; then
  for file in $files; do
    dedotted="$(de_dot "$file")"
    INSTALL="$INSTALL -U $dedotted"
  done
elif [ $undotted -eq 0 ]; then
  for file in $files; do
    dedotted="$(de_dot "$file")"
    INSTALL="$INSTALL -u $dedotted"
  done
fi

saved_IFS="$IFS"
IFS='
'
for file in $files; do
  IFS="$saved_IFS"
  case "$file" in
    /*) : ;;
    *) [ -e "$PWD/$file" ] && file="$PWD/$file" ;;
  esac

  dotless="$(de_dot "$file")"
  dest="$(destination "$DOTFILES_DIR" "$dotless" $in_host "$tag")"
  mkdir -p "$dest/$(dirname "$dotless")"
  $VERBOSE "Moving..."
  mv_v "$file" "$dest/$dotless"
  $VERBOSE "Linking..."
  $INSTALL -d "$DOTFILES_DIR" -t "${tag:--}" $install_args "$dotless"
done