Add the DOASEDIT_EDITING environment variable

1 files changed, 9 insertions, 4 deletions

diff --git a/doasedit b/doasedit
index b0741ce..3d905dd 100755
--- a/doasedit
+++ b/doasedit
@@ -32,6 +32,11 @@ get_intr() {
 		}'
 }
 
+get_abspath() (
+	cd "$(dirname "$1")"
+	echo "$(pwd)/$(basename "$1")"
+)
+
 PROG=${0##*/}
 
 [ $# -ne 1 ] && {
@@ -43,17 +48,17 @@ PROG=${0##*/}
 [   -L "$1" ] && die 2 "$1: File is a symbolic link, refusing to edit."
 [ ! -r "$1" ] && die 3 "$1: File cannot be read by the current user."
 
-tmp=$(mktemp --tmpdir doasedit.XXXXXXXX --suffix="$(echo "$1" | tr '/' '-')") ||
-	die 4 "Could not create temporary file."
+tmp="$(mktemp -p doasedit.XXXXXXXX)" || die 4 "Could not create temporary file."
 trap "rm -f $tmp" EXIT HUP INT TERM
 cp "$1" "$tmp" || die 5 "$1: Unable to copy file."
 
-"${VISUAL:-${EDITOR:-vi}}" "$tmp" || {
+abspath="$(get_abspath "$1")"
+DOASEDIT_EDITING="$abspath" "${VISUAL:-${EDITOR:-vi}}" "$tmp" || {
 	warn "Could not run visual editor '$VISUAL' or editor '$EDITOR'."
 	die 6 "Make sure the VISUAL and/or EDITOR variables are set."
 }
 
-cmp -s "$1" "$tmp" && \
+cmp -s "$1" "$tmp" &&
 	die 0 "File unchanged.  Not writing back to original location."
 
 # At this point the file has been changed.  Make sure it still exists.