fix shellcheck

astroid/poll.sh

@@ -1,12 +1,14 @@
 #!/bin/bash
 
-start=`date +%s`
+start=$(date +%s)
 
 CURDIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
-TMP=/tmp/status
-source "$TMP"
+# Local status file that indicates whether offline mode is activated
+# shellcheck source=/dev/null
+source "/tmp/status"
 
 # If offline mode, do a quick sync
+# shellcheck disable=SC2154
 if [ "$var_conn" == "off" ]; then
   echo "[INFO] Offline mode enabled. Do a quick sync"
   offlineimap -q
@@ -15,7 +17,7 @@ else
   offlineimap
 fi
 
-sync=`date +%s`
+sync=$(date +%s)
 
 # Index new mails which will be tagged with notmuch's new.tags
 echo "[DEBUG] Sync notmuch database with new mails"
@@ -27,7 +29,7 @@ notmuch tag +inbox -- path:INBOX/**
 
 # Move selectedly tagged mails to folders if they are only in INBOX
 echo "[DEBUG] Move tagged mails in INBOX to folders (move-tag.sh)"
-bash $CURDIR/scripts/move-tag.sh ${var_conn}
+bash "$CURDIR"/scripts/move-tag.sh "${var_conn}"
 
 # Index again after mails have been moved
 echo "[DEBUG] Update notmuch database with possibly moved mails"
@@ -48,8 +50,8 @@ notmuch tag +event -- tag:"/event.*/"
 
 # Automatic tagging based on location of mails in folders
 echo "[DEBUG] Tag mails based on their folder (tag-folder.sh)"
-bash $CURDIR/scripts/tag-folder.sh # generates commands from tag-folder.csv
-bash $CURDIR/scripts/tag-folder-rules.sh  # executes generated commands
+bash "$CURDIR"/scripts/tag-folder.sh # generates commands from tag-folder.csv
+bash "$CURDIR"/scripts/tag-folder-rules.sh  # executes generated commands
 
 # Mark mails in certain folders read
 echo "[DEBUG] Mark mails in trash folders read"
@@ -60,5 +62,5 @@ notmuch tag -unread -- path:Trash.ignore-mod/**
 echo "[DEBUG] Remove the 'new' tag"
 notmuch tag -new -- tag:new
 
-end=`date +%s`
+end=$(date +%s)
 echo "[DEBUG] poll.sh exited after $((end-start))s ($((sync-start))s download)"