From b16f0b0345a898657dcec36cba3ca12df82ba55d Mon Sep 17 00:00:00 2001
From: Silvio Rhatto <rhatto@riseup.net>
Date: Tue, 6 Aug 2019 22:42:31 -0300
Subject: Include BORG_PASSPHRASE config for each destination in an array

---
 borger | 39 +++++++++++++++++++++++++++++++--------
 1 file changed, 31 insertions(+), 8 deletions(-)

diff --git a/borger b/borger
index 3448101..a4d2f73 100755
--- a/borger
+++ b/borger
@@ -29,6 +29,7 @@ DESTINATION="$1"
 OPTION="$2"
 BASE_CONFIG="$HOME/.config/borger"
 CONFIG="$BASE_CONFIG/$DESTINATION"
+INTERVAL="1h"
 
 # Print info
 function info {
@@ -90,7 +91,6 @@ function borger_config {
   KEEPMONTHLY="6"
   ENCRYPTION="keyfile"
   PLACEHOLDER="{user}"
-  INTERVAL="1h"
 
   source $CONFIG
 
@@ -205,8 +205,7 @@ function borger_set_lockfile {
     if ( set -o noclobber; echo "$$" > "$LOCKFILE" ) &> /dev/null; then
       trap 'borger_unset_lockfile' INT TERM EXIT
     else
-      echo "Could not create lockfile $LOCKFILE, exiting"
-      exit 1
+      fatal "Could not create lockfile $LOCKFILE, exiting"
     fi
   fi
 }
@@ -226,8 +225,7 @@ function borger_check_lockfile {
     pid="`cat $LOCKFILE`"
     process="`ps --no-headers -o comm $pid`"
     if [ "$?" == "0" ] && [ "`ps --no-headers -o comm $$`" == "$process" ]; then
-      echo "Another program is running for $LOCKFILE, skipping run"
-      exit
+      fatal "Another program is running for $LOCKFILE, skipping run"
     else
       echo "Found old lockfile $LOCKFILE, removing it"
       borger_unset_lockfile
@@ -265,6 +263,7 @@ function borger_single {
     export BORG_PASSCOMMAND=""
   fi
 
+  # Run as a subprocess so we do not exit on any fatal error
   $FULLNAME $DESTINATION
 }
 
@@ -272,10 +271,32 @@ function borger_single {
 function borger_multiple {
   info "Multiple destination \"$DESTINATION\" found. Processing each subconfig..."
 
+  # Needs bash 4
+  # https://stackoverflow.com/questions/1494178/how-to-define-hash-tables-in-bash
+  if echo $BASH_VERSION | grep -q "^3"; then
+    fatal "$BASENAME requires bash 4 or newer."
+  fi
+
+  # Passphrase array
+  declare -A BORG_PASSPHRASES
+  export BORG_PASSCOMMAND=""
+
+  # Evaluate each config
+  for config in `ls $CONFIG`; do
+    # Include BORG_PASSPHRASE config for each destination in an array
+    if grep -q "BORG_PASSCOMMAND" $CONFIG/$config; then
+      COMMAND="`grep BORG_PASSCOMMAND $CONFIG/$config | cut -d = -f 2 | sed -e "s/^'//" -e "s/'$//" -e 's/^"//' -e 's/"$//'`"
+      #BORG_PASSPHRASES[$config]="BORG_PASSPHRASE=`$COMMAND`"
+      BORG_PASSPHRASES[$config]="`$COMMAND`"
+    else
+      BORG_PASSPHRASES[$config]=""
+    fi
+  done
+
   # Serial approach
-  # FIXME: export BORG_PASSPHRASE config for each destination using an array
   for config in `ls $CONFIG`; do
     info "Calling borger for $DESTINATION/$config..."
+    export BORG_PASSPHRASE="${BORG_PASSPHRASES[$config]}"
     $FULLNAME $DESTINATION/$config 2>&1 | sed -e "s/^\[borger\]/[borger] [$config]/" -e "s/^\([^\[]\)/[borger] [$config] \1/"
   done
 
@@ -284,7 +305,10 @@ function borger_multiple {
   ## and call borger for each config in parallel
   #for config in `ls $CONFIG`; do
   #  info "Calling borger for $DESTINATION/$config..."
-  #  ( $FULLNAME $DESTINATION/$config $MULTIPLE_OPTION 2>&1 | sed -e "s/^\[borger\]/[borger] [$config]/" -e "s/^\([^\[]\)/[borger] [$config] \1/" ) &
+  #  (
+  #    export BORG_PASSPHRASE="${BORG_PASSPHRASES[$config]}"
+  #    $FULLNAME $DESTINATION/$config $MULTIPLE_OPTION 2>&1 | sed -e "s/^\[borger\]/[borger] [$config]/" -e "s/^\([^\[]\)/[borger] [$config] \1/"
+  #  ) &
   #done
 
   ## Since we dispatched everything to subprocesses,
@@ -316,7 +340,6 @@ function borger_continuous {
 
   # Run until interruption
   while true; do
-    # Run as a subprocess so we do not exit on any fatal error
     if [ "$MULTIPLE" == "yes" ]; then
       borger_multiple
     else
-- 
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