-
- [[ -w $file ]] || s=sudo
-
-
- if $exists; then
- local temp="$(mktemp -d)/$file_name"
- cp "$file" "$temp"
- cp /dev/null "$file"
- local in_section=false
- while IFS= read -r line; do
- if [[ $line == $begin ]]; then
- in_section=true;
- fi
- if ! $in_section; then
- printf '%s\n' "$line" >> $file
- fi
- if [[ $line == $end ]]; then
- in_section=false;
- fi
- done < "$temp"
- fi
-
- IFS= read -d '' -n 1 -r init
- if [[ $init ]]; then
- $s tee -a "$file" >/dev/null <<<"$begin"
- printf '%s' "$init" | $s tee -a "$file" >/dev/null
- $s tee -a "$file" >/dev/null
- $s tee -a "$file" >/dev/null <<<"$end"
- fi
-
- if ! $exists; then
- ret=0
- if $verbose; then
- echo "New file $file:"
- cat "$file"
- fi
- elif type -t diff &>/dev/null; then
- diff=$(diff -u "$temp" "$file")
- ret=$?
- if $verbose; then
- if (( $ret == 0 )); then
- echo "No changes made to $file"
- fi
- else
-
- echo "backup of original at $temp"
- echo diff -u "$temp" "$file":
- echo "$diff"
- fi
- else
- diff=$(cmp "$temp" "$file")
- ret=$?
- if $verbose; then
- echo "$diff"
- fi