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#!/bin/sh -e
help() {
cat - >&2 <<EOF
doasedit - like sudoedit, but for doas
doasedit file...
Every argument will be treated as a file to edit. There's no support for
passing arguments to doas, so you can only doas root.
This script is SECURITY SENSITIVE! Special care has been taken to correctly
preserve file attributes. Please exercise CAUTION when modifying AND using
this script.
EOF
}
case "$1" in --help|-h) help; exit 0;; esac
export TMPDIR=/dev/shm/
trap 'trap - EXIT HUP QUIT TERM INT ABRT; rm -f "$tmp" "$tmpcopy"' EXIT HUP QUIT TERM INT ABRT
for file; do
case "$file" in -*) file=./"$file" ;; esac
tmp="$(mktemp)"
if [ -f "$file" ] && [ ! -r "$file" ]; then
doas cat "$file" > "$tmp"
elif [ -r "$file" ]; then
cat "$file" > "$tmp"
fi
tmpcopy="$(mktemp)"
cat "$tmp" > "$tmpcopy"
${EDITOR:-vi} "$tmp"
if cmp -s "$tmp" "$tmpcopy"; then
echo 'File unchanged, exiting...'
else
doas dd if="$tmp" of="$file"
echo 'Done, changes written'
fi
rm "$tmp" "$tmpcopy"
done
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