38 lines
1.0 KiB
Bash
Executable File
38 lines
1.0 KiB
Bash
Executable File
#!/bin/sh
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set -f
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ercho() { echo "$*" >&2 ; }
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error() { ercho "$*" && exit 1 ; }
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TMPDIR="${TMPDIR:-/tmp}"
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ed="${VISUAL:-vi}"
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clean() {
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[ -f "$tmpfile" ] && rm -f "$tmpfile"
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}
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[ "$(whoami)" = "root" ] && error "Cannot be run as root!"
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[ -z "$1" ] && error "No files provided!"
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trap 'clean' 1 INT HUP KILL EXIT
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for f; do
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[ ! -f "$f" ] && ercho "File $f is not a regular file, is not accessible by the user, or does not exist. Skipping..." && continue
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tmpfile="$(mktemp -t doasedit_XXXXXXXX)" || error "Cannot make temp file for $f! Exiting..."
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cp -fp "$f" "$tmpfile" || error "Cannot copy file $f! Exiting..."
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ercho "$ed '$f'"
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$ed "$tmpfile" || error "Exit code != 0 by editor. Exiting..."
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cmp "$f" "$tmpfile" >/dev/null 2>&1
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ec=$?
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if [ $ec -eq 1 ]; then
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if [ ! -w "$f" ]; then doas mv -f "$tmpfile" "$f"; else mv -f "$tmpfile" "$f" && echo "$f didn't need root perms!"; fi
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elif [ $ec -eq 0 ]; then
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ercho "File not changed, skipping..."
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else
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ercho "Problem running diff on $f! Skipping..."
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fi
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rm -f "$tmpfile"
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done
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