From aae2b4b2711e6343e3e2f52ed0a7e595ce4ffb1d Mon Sep 17 00:00:00 2001
From: Erich Eckner <git@eckner.net>
Date: Thu, 10 Oct 2019 09:53:10 +0200
Subject: sendmailadvanced.in: style

---
 sendmailadvanced.in | 86 +++++++++++++++++++----------------------------------
 1 file changed, 31 insertions(+), 55 deletions(-)

diff --git a/sendmailadvanced.in b/sendmailadvanced.in
index c0092cc..5904f46 100755
--- a/sendmailadvanced.in
+++ b/sendmailadvanced.in
@@ -21,10 +21,8 @@ neueAdressaten() {
   oldIFS="${IFS}"
 
   IFS=','
-  for adressat in ${adressatenString}
-  do
-    if [[ "${adressat}" == *"<"*">"* ]]
-    then
+  for adressat in ${adressatenString}; do
+    if [[ "${adressat}" == *"<"*">"* ]]; then
       adressat="${adressat#*<}"
       adressat="${adressat%>*}"
     fi
@@ -46,8 +44,7 @@ stempeln() {
 }
 
 gpgAdressaten() {
-  for adressat in "${!adressaten[@]}"
-  do
+  for adressat in "${!adressaten[@]}"; do
     if \
       (
         gpg --with-colons --list-public-keys "${adressat}" 2> /dev/null | \
@@ -59,8 +56,7 @@ gpgAdressaten() {
       ) | \
         sort | \
         uniq -d | \
-        grep -q '\S'
-    then
+        grep -q '\S'; then
       echo -n "-r ${adressat} "
     else
       printf -- '-r %s ' "${gpg_recipients[@]}"
@@ -90,12 +86,10 @@ dForced=false
 eForced=false
 sForced=false
 
-if [ -r #ETCDIR#/sendmailadvanced.conf ]
-then
-  . #ETCDIR#/sendmailadvanced.conf
+if [ -r '#ETCDIR#/sendmailadvanced.conf' ]; then
+  . '#ETCDIR#/sendmailadvanced.conf'
 else
-  for konfig in $(readlink -f "$0").conf $(find . -name sendmailadvanced.conf 2> /dev/null)
-  do
+  for konfig in $(readlink -f "$0").conf $(find . -name sendmailadvanced.conf 2> /dev/null); do
     [ -r "${konfig}" ] || continue
     . "${konfig}"
     break
@@ -110,8 +104,7 @@ which hashcash &> /dev/null || stamp=false
 
 eval set -- "$(getopt -o eh:i:st --long encrypt,no-encrypt,hook:,help,inline:,no-inline,stamp,no-stamp,version -n "$(basename "$0")" -- "$@" || echo verwendung)"
 
-while true
-do
+while true; do
   case "$1" in
     -h|--hook)
       shift
@@ -171,23 +164,20 @@ done
 [ $# -ne 0 ] && verwendung
 
 MAILER="cantfind"
-for executable in sendmail msmtp
-do
-  for prefix in #BINDIR# /usr/bin /usr/sbin /bin /sbin
-  do
-    [ "${MAILER}" == "cantfind" ] && [ -x ${prefix}/${executable} ] && MAILER="${prefix}/${executable}"
+for executable in sendmail msmtp; do
+  for prefix in '#BINDIR#' '/usr/bin' '/usr/sbin' '/bin' '/sbin'; do
+    [ "${MAILER}" == "cantfind" ] && [ -x "${prefix}/${executable}" ] && MAILER="${prefix}/${executable}"
   done
 done
 
-if [ -z "${datei}" ] && [ "${MAILER}" == "cantfind" ]
-then
+if [ -z "${datei}" ] && [ "${MAILER}" == "cantfind" ]; then
   >&2 echo "ERROR: Can't find suitable mailer."
   exit 1
 fi
 
-(
+{
   [ -z "${datei}" ] && cat || cat "${datei}"
-) | \
+} | \
 (
   IFS=''
   adressatenString=""
@@ -196,35 +186,28 @@ fi
   unset adressaten
   declare -A adressaten
   adressatenSammeln=false
-  while read -r zeile
-  do
+  while read -r zeile; do
     echo "${zeile}" | grep -q "\S" || break
     s="${zeile}"
-    if [ "${s:0:3}" == "To:" ] || [ "${s:0:3}" == "Cc:" ]
-    then
+    if [ "${s:0:3}" == "To:" ] || [ "${s:0:3}" == "Cc:" ]; then
       adressatenSammeln=true
       s=" ,${s:4}"
     fi
-    if [ ! "${s:0:1}" == " " ]
-    then
+    if [ ! "${s:0:1}" == " " ]; then
       ${adressatenSammeln} && neueAdressaten
       adressatenSammeln=false
     fi
     ${adressatenSammeln} && adressatenString="${adressatenString}${s}"
-    if ${encrypt}
-    then
-      if [ "${zeile:0:14}" == "Content-Type: " ]
-      then
+    if ${encrypt}; then
+      if [ "${zeile:0:14}" == "Content-Type: " ]; then
         contentType="${zeile}"
         continue
       fi
-      if [ "${zeile:0:27}" == "Content-Transfer-Encoding: " ]
-      then
+      if [ "${zeile:0:27}" == "Content-Transfer-Encoding: " ]; then
         contentTE="${zeile}"
         continue
       fi
-      if [ "${zeile:0:14}" == "MIME-Version: " ]
-      then
+      if [ "${zeile:0:14}" == "MIME-Version: " ]; then
         continue
       fi
     fi
@@ -233,20 +216,17 @@ fi
 
   ${stamp} && stempeln
 
-  body="$(
+  body=$(
     (
-      for hookParam in "${hooks[@]}"
-      do
+      for hookParam in "${hooks[@]}"; do
         body_header_hook "${hookParam}"
       done
       cat
-      for hookParam in "${hooks[@]}"
-      do
+      for hookParam in "${hooks[@]}"; do
         body_footer_hook "${hookParam}"
       done
     ) | \
-    if ${encrypt}
-    then
+    if ${encrypt}; then
       (
         echo "${contentType}"
         echo "${contentTE}"
@@ -254,19 +234,17 @@ fi
         cat
         echo ''
       ) | \
-        eval "gpg -e --no-tty --batch -a -s $(gpgAdressaten | sed 's| $||')"
+        gpg -e --no-tty --batch -a -s $(gpgAdressaten | sed 's| $||')
     else
       cat
     fi
-  )"
+  )
 
-  if ${encrypt}
-  then
+  if ${encrypt}; then
     boundary=""
     while
       echo "${body}" | \
-        grep -q "${boundary}"
-    do
+        grep -q "${boundary}"; do
       boundary="$(gen_boundary)"
     done
 
@@ -291,16 +269,14 @@ fi
   echo "${zeile}"
   echo "${body}"
 
-  if ${encrypt}
-  then
+  if ${encrypt}; then
     echo ''
     echo '--'"${boundary}"'--'
   fi
 
 ) | \
 (
-  if [ -z "${datei}" ]
-  then
+  if [ -z "${datei}" ]; then
     ${MAILER} -t
   else
     tmpFile="$(mktemp)"
-- 
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