From aead249b8b70efed7d4478010cf2234c0b2b2806 Mon Sep 17 00:00:00 2001
From: Florian Dold <florian@dold.me>
Date: Thu, 6 Apr 2023 14:19:11 +0200
Subject: shfmt

---
 netzbon/functions.sh        |  56 ++---------
 netzbon/install_packages.sh |  33 ++++---
 netzbon/main.sh             | 105 +++++++++------------
 netzbon/setup-exchange.sh   | 220 ++++++++++++++++++++------------------------
 netzbon/setup-merchant.sh   |   1 -
 5 files changed, 172 insertions(+), 243 deletions(-)

diff --git a/netzbon/functions.sh b/netzbon/functions.sh
index 29d9770..3938aca 100755
--- a/netzbon/functions.sh
+++ b/netzbon/functions.sh
@@ -1,62 +1,22 @@
 #!/bin/bash
 
 # Message
-
-function say()
-{
-    echo "TALER: " "$@"
+function say() {
+  echo "TALER: " "$@"
 }
 
-
 # Check user if the user is root
+function check_user() {
 
-function check_user()
-{
-
-    if [ "$(whoami)" != "root" ]; then
-        say "Please run this script as root"
-        exit 1
-    fi
-}
-
-# Create users "exchange" and "merchant"
-# Deprecated: should be done by Debian!
-function create_users()
-{
-    say "Creating users"
-    for n in exchange merchant
-    do
-	    # Only setup use if it does not yet exist
-        if test ! -d /home/$n
-        then
-	        adduser --disabled-password $n
-        fi
-    done
-}
-
-# Assign group and permissions to users
-# Deprecated: should be done by Debian!
-function assign_user_permissions()
-{
-    for n in exchange merchant
-    do
-	    adduser www-data $n
-	    mkdir -p /home/$n/.config/
-	    # FIXME
-	    # cp -r $n/* /home/$n/
-	    # TODO: No taler.conf is provided
-	    # mv /home/$n/taler.conf /home/$n/.config/taler.conf
-	    chmod 600 /home/$n/.config/taler.conf
-	    chown -R $n:$n /home/$n/
-	    su - postgres -c "createuser $n"
-	    su - postgres -c "createdb -O $n taler-$n"
-    done
+  if [ "$(whoami)" != "root" ]; then
+    say "Please run this script as root"
+    exit 1
+  fi
 }
 
 # Set DISTRO to the detected distro or return non-zero
 # status if distro not supported.
-function detect_distro()
-{
+function detect_distro() {
   unset DISTRO
   uname -a | grep Ubuntu >/dev/null && DISTRO=ubuntu && return 0
   uname -a | grep Debian >/dev/null && DISTRO=debian && return 0
diff --git a/netzbon/install_packages.sh b/netzbon/install_packages.sh
index 9b77705..25bef3f 100755
--- a/netzbon/install_packages.sh
+++ b/netzbon/install_packages.sh
@@ -19,15 +19,15 @@ apt update
 ## General requirements
 
 apt install uuid-runtime \
-    curl \
-    jq \
-    wget \
-    nginx \
-    postgresql-${PG_VERSION} \
-    postgresql-client-${PG_VERSION} \
-    dbconfig-pgsql \
-    certbot \
-    python3-certbot-nginx -y
+  curl \
+  jq \
+  wget \
+  nginx \
+  postgresql-${PG_VERSION} \
+  postgresql-client-${PG_VERSION} \
+  dbconfig-pgsql \
+  certbot \
+  python3-certbot-nginx -y
 
 ## Add GNU Taler deb.taler.net to /etc/apt/sources.list
 
@@ -35,19 +35,18 @@ say "Adding GNU Taler apt repository"
 say "Detected distro $DISTRO"
 
 case $DISTRO in
-  debian)
-    echo "deb [signed-by=/etc/apt/keyrings/taler-systems.gpg] https://deb.taler.net/apt/debian stable main" > /etc/apt/sources.list.d/taler.list
+debian)
+  echo "deb [signed-by=/etc/apt/keyrings/taler-systems.gpg] https://deb.taler.net/apt/debian stable main" >/etc/apt/sources.list.d/taler.list
   ;;
-  ubuntu)
-    echo "deb [signed-by=/etc/apt/keyrings/taler-systems.gpg] https://deb.taler.net/apt/ubuntu stable main" > /etc/apt/sources.list.d/taler.list
+ubuntu)
+  echo "deb [signed-by=/etc/apt/keyrings/taler-systems.gpg] https://deb.taler.net/apt/ubuntu stable main" >/etc/apt/sources.list.d/taler.list
   ;;
-  *)
-    say "Unsupported distro: $DISTRO"
-    exit 1
+*)
+  say "Unsupported distro: $DISTRO"
+  exit 1
   ;;
 esac
 
-
 wget -P /etc/apt/keyrings https://taler.net/taler-systems.gpg
 
 ## Specific GNU Taler packages
diff --git a/netzbon/main.sh b/netzbon/main.sh
index 52f5f67..b05af85 100755
--- a/netzbon/main.sh
+++ b/netzbon/main.sh
@@ -26,62 +26,53 @@ say ""
 say "All configuration values asked during the setup script"
 say "can be changed in config/user.conf"
 
-if test -z "${CURRENCY:-}"
-then
-    read -p "Enter the name of the currency (e.g. 'EUR'): " CURRENCY
-    # convert to all-caps
-    CURRENCY=`echo ${CURRENCY} | tr a-z A-Z`
-    # libeufin currenly doesn't like currency names less than 3 letters.
-    if [[ ${#CURRENCY} -lt 3 || ${#CURRENCY} -gt 11 ]]; then
-      say "Currency name must be between 3 and 10 letters"
-      exit 1
-    fi
-    echo "CURRENCY=${CURRENCY}" >> config/user.conf
+if test -z "${CURRENCY:-}"; then
+  read -p "Enter the name of the currency (e.g. 'EUR'): " CURRENCY
+  # convert to all-caps
+  CURRENCY=$(echo ${CURRENCY} | tr a-z A-Z)
+  # libeufin currenly doesn't like currency names less than 3 letters.
+  if [[ ${#CURRENCY} -lt 3 || ${#CURRENCY} -gt 11 ]]; then
+    say "Currency name must be between 3 and 10 letters"
+    exit 1
+  fi
+  echo "CURRENCY=${CURRENCY}" >>config/user.conf
 fi
-if test -z "${BANK_NAME:-}"
-then
-    read -p "Enter the human-readable name of the bank (e.g. 'Taler Bank'): " BANK_NAME
-    echo "BANK_NAME=\"${BANK_NAME}\"" >> config/user.conf
+if test -z "${BANK_NAME:-}"; then
+  read -p "Enter the human-readable name of the bank (e.g. 'Taler Bank'): " BANK_NAME
+  echo "BANK_NAME=\"${BANK_NAME}\"" >>config/user.conf
 fi
-if test -z "${ENABLE_TLS:-}"
-then
-    read -p "Use TLS? (y/n): " ENABLE_TLS
-    echo "ENABLE_TLS=${ENABLE_TLS}" >> config/user.conf
+if test -z "${ENABLE_TLS:-}"; then
+  read -p "Use TLS? (y/n): " ENABLE_TLS
+  echo "ENABLE_TLS=${ENABLE_TLS}" >>config/user.conf
 fi
-if test -z "${DO_OFFLINE:-}"
-then
-    read -p "Run taler-exchange-offline? (y/n): " DO_OFFLINE
-    echo "DO_OFFLINE=${DO_OFFLINE}" >> config/user.conf
+if test -z "${DO_OFFLINE:-}"; then
+  read -p "Run taler-exchange-offline? (y/n): " DO_OFFLINE
+  echo "DO_OFFLINE=${DO_OFFLINE}" >>config/user.conf
 fi
-if test -z "${MASTER_PUBLIC_KEY:-}"
-then
-    if test ${DO_OFFLINE:-y} == n
-    then
-        read -p "Enter the exchange-offline master public key: " MASTER_PUBLIC_KEY
-        echo "MASTER_PUBLIC_KEY=${MASTER_PUBLIC_KEY}" >> config/user.conf
-    fi
+if test -z "${MASTER_PUBLIC_KEY:-}"; then
+  if test ${DO_OFFLINE:-y} == n; then
+    read -p "Enter the exchange-offline master public key: " MASTER_PUBLIC_KEY
+    echo "MASTER_PUBLIC_KEY=${MASTER_PUBLIC_KEY}" >>config/user.conf
+  fi
 fi
-if test -z "${SANDBOX_ADMIN_PASSWORD:-}"
-then
-    read -s -p "Enter the admin password for the bank: " SANDBOX_ADMIN_PASSWORD
-    echo "SANDBOX_ADMIN_PASSWORD=${SANDBOX_ADMIN_PASSWORD}" >> config/user.conf
-    echo "" # force new line
+if test -z "${SANDBOX_ADMIN_PASSWORD:-}"; then
+  read -s -p "Enter the admin password for the bank: " SANDBOX_ADMIN_PASSWORD
+  echo "SANDBOX_ADMIN_PASSWORD=${SANDBOX_ADMIN_PASSWORD}" >>config/user.conf
+  echo "" # force new line
 fi
-if test -z "${DOMAIN_NAME:-}"
-then
-    read -p "Enter the domain name: " DOMAIN_NAME
-    # convert to lower-case
-    DOMAIN_NAME=`echo ${DOMAIN_NAME} | tr A-Z a-z`
-    echo "DOMAIN_NAME=${DOMAIN_NAME}" >> config/user.conf
+if test -z "${DOMAIN_NAME:-}"; then
+  read -p "Enter the domain name: " DOMAIN_NAME
+  # convert to lower-case
+  DOMAIN_NAME=$(echo ${DOMAIN_NAME} | tr A-Z a-z)
+  echo "DOMAIN_NAME=${DOMAIN_NAME}" >>config/user.conf
 fi
 # END USER INTERACTION
 
 # Check DNS settings
-if ! ping -c1 exchange.${DOMAIN_NAME} &> /dev/null
-then
-    say "Could not ping exchange.${DOMAIN_NAME}."
-    say "Please make sure your DNS/network are working."
-    exit 1
+if ! ping -c1 exchange.${DOMAIN_NAME} &>/dev/null; then
+  say "Could not ping exchange.${DOMAIN_NAME}."
+  say "Please make sure your DNS/network are working."
+  exit 1
 fi
 
 # Check if the user is root, otherwise EXIT.
@@ -90,15 +81,13 @@ check_user
 # Installation of deb packages required
 . install_packages.sh
 
-if test -z "${NEXUS_EXCHANGE_PASSWORD:-}"
-then
-    NEXUS_EXCHANGE_PASSWORD=`uuidgen`
-    echo "NEXUS_EXCHANGE_PASSWORD=${NEXUS_EXCHANGE_PASSWORD}" >> config/internal.conf
+if test -z "${NEXUS_EXCHANGE_PASSWORD:-}"; then
+  NEXUS_EXCHANGE_PASSWORD=$(uuidgen)
+  echo "NEXUS_EXCHANGE_PASSWORD=${NEXUS_EXCHANGE_PASSWORD}" >>config/internal.conf
 fi
-if test -z "${SANDBOX_EXCHANGE_PASSWORD:-}"
-then
-    SANDBOX_EXCHANGE_PASSWORD=`uuidgen`
-    echo "SANDBOX_EXCHANGE_PASSWORD=${SANDBOX_EXCHANGE_PASSWORD}" >> config/internal.conf
+if test -z "${SANDBOX_EXCHANGE_PASSWORD:-}"; then
+  SANDBOX_EXCHANGE_PASSWORD=$(uuidgen)
+  echo "SANDBOX_EXCHANGE_PASSWORD=${SANDBOX_EXCHANGE_PASSWORD}" >>config/internal.conf
 fi
 
 . config_launch_libeufin.sh
@@ -106,13 +95,11 @@ fi
 . setup-exchange.sh
 . setup-merchant.sh
 
-
 # Final message to the user
-if test ${ENABLE_TLS:-} == "y"
-then
-    PROTO="https"
+if test ${ENABLE_TLS:-} == "y"; then
+  PROTO="https"
 else
-    PROTO="http"
+  PROTO="http"
 fi
 
 say "Congratulations, you have successfully installed GNU Taler"
diff --git a/netzbon/setup-exchange.sh b/netzbon/setup-exchange.sh
index 54795d9..86ee031 100755
--- a/netzbon/setup-exchange.sh
+++ b/netzbon/setup-exchange.sh
@@ -17,30 +17,25 @@ say "Beginning Exchange setup"
 # - EXCHANGE_PAYTO (exchange account PAYTO)
 # - ENABLE_TLS (http or https?)
 
-if test -z ${LIBEUFIN_NEXUS_USERNAME:-}
-then
-    say "Failure: LIBEUFIN_NEXUS_USERNAME not set"
-    exit 1
+if test -z ${LIBEUFIN_NEXUS_USERNAME:-}; then
+  say "Failure: LIBEUFIN_NEXUS_USERNAME not set"
+  exit 1
 fi
-if test -z ${NEXUS_EXCHANGE_PASSWORD:-}
-then
-    say "Failure: NEXUS_EXCHANGE_PASSWORD not set"
-    exit 1
+if test -z ${NEXUS_EXCHANGE_PASSWORD:-}; then
+  say "Failure: NEXUS_EXCHANGE_PASSWORD not set"
+  exit 1
 fi
-if test -z ${EXCHANGE_IBAN:-}
-then
-    say "Failure: EXCHANGE_IBAN not set"
-    exit 1
+if test -z ${EXCHANGE_IBAN:-}; then
+  say "Failure: EXCHANGE_IBAN not set"
+  exit 1
 fi
-if test -z ${WIRE_GATEWAY_URL:-}
-then
-    say "Failure: WIRE_GATEWAY_URL not set"
-    exit 1
+if test -z ${WIRE_GATEWAY_URL:-}; then
+  say "Failure: WIRE_GATEWAY_URL not set"
+  exit 1
 fi
-if test -z ${EXCHANGE_PAYTO:-}
-then
-    say "Failure: EXCHANGE_PAYTO not set"
-    exit 1
+if test -z ${EXCHANGE_PAYTO:-}; then
+  say "Failure: EXCHANGE_PAYTO not set"
+  exit 1
 fi
 
 # Create master key as taler-exchange-offline *unless* user already
@@ -48,37 +43,32 @@ fi
 export MASTER_PRIV_DIR=.local/share/taler/exchange/offline-keys
 export MASTER_PRIV_FILE=${MASTER_PRIV_DIR}/master.priv
 export SECMOD_TOFU_FILE=${MASTER_PRIV_DIR}/secm_tofus.pub
-if test -z ${MASTER_PUBLIC_KEY:-}
-then
-    if test ${DO_OFFLINE:-y} == n
-    then
-        say "Error: No MASTER_PUBLIC_KEY but DO_OFFLINE set to NO"
-        exit 1
-    fi
-    say "Setting up offline key"
-    echo -e "[exchange-offline]\n"\
-        "MASTER_PRIV_FILE=\$HOME/${MASTER_PRIV_FILE}\n"\
-        "SECM_TOFU_FILE=\$HOME/${SECMOD_TOFU_FILE}\n"\
-        > /etc/taler/conf.d/offline-setup.conf
-
-    MASTER_PUBLIC_KEY=`sudo -i -u taler-exchange-offline taler-exchange-offline setup`
-    echo "MASTER_PUBLIC_KEY=\"${MASTER_PUBLIC_KEY}\"" >> config/user.conf
-    if test -z ${DO_OFFLINE:-}
-    then
-        # Set 'DO_OFFLINE'
-        DO_OFFLINE=y
-        echo "DO_OFFLINE=y" >> config/user.conf
-    fi
+if test -z ${MASTER_PUBLIC_KEY:-}; then
+  if test ${DO_OFFLINE:-y} == n; then
+    say "Error: No MASTER_PUBLIC_KEY but DO_OFFLINE set to NO"
+    exit 1
+  fi
+  say "Setting up offline key"
+  echo -e "[exchange-offline]\n" \
+    "MASTER_PRIV_FILE=\$HOME/${MASTER_PRIV_FILE}\n" \
+    "SECM_TOFU_FILE=\$HOME/${SECMOD_TOFU_FILE}\n" \
+    >/etc/taler/conf.d/offline-setup.conf
+
+  MASTER_PUBLIC_KEY=$(sudo -i -u taler-exchange-offline taler-exchange-offline setup)
+  echo "MASTER_PUBLIC_KEY=\"${MASTER_PUBLIC_KEY}\"" >>config/user.conf
+  if test -z ${DO_OFFLINE:-}; then
+    # Set 'DO_OFFLINE'
+    DO_OFFLINE=y
+    echo "DO_OFFLINE=y" >>config/user.conf
+  fi
 else
   say "Master public key is $MASTER_PUBLIC_KEY"
-  if test ${DO_OFFLINE:-y} == y
-  then
-      MASTER_PUBLIC_KEY2=`sudo -i -u taler-exchange-offline taler-exchange-offline setup`
-      if test "${MASTER_PUBLIC_KEY2}" != "${MASTER_PUBLIC_KEY}"
-      then
-          say "Error: master public key missmatch ${MASTER_PUBLIC_KEY2} does not match ${MASTER_PUBLIC_KEY}"
-          exit 1
-      fi
+  if test ${DO_OFFLINE:-y} == y; then
+    MASTER_PUBLIC_KEY2=$(sudo -i -u taler-exchange-offline taler-exchange-offline setup)
+    if test "${MASTER_PUBLIC_KEY2}" != "${MASTER_PUBLIC_KEY}"; then
+      say "Error: master public key missmatch ${MASTER_PUBLIC_KEY2} does not match ${MASTER_PUBLIC_KEY}"
+      exit 1
+    fi
   fi
 fi
 
@@ -98,58 +88,55 @@ sudo -i -u postgres createdb -O taler-exchange-httpd $EXCHANGE_DB || true
 
 say "Configuring exchange"
 
-if test ${ENABLE_TLS} = "y"
-then
-    export EXCHANGE_BASE_URL="https://exchange.${DOMAIN_NAME}/"
+if test ${ENABLE_TLS} = "y"; then
+  export EXCHANGE_BASE_URL="https://exchange.${DOMAIN_NAME}/"
 else
-    export EXCHANGE_BASE_URL="http://exchange.${DOMAIN_NAME}/"
+  export EXCHANGE_BASE_URL="http://exchange.${DOMAIN_NAME}/"
 fi
 
 # Generate /etc/taler/conf.d/setup.conf
-echo -e "[taler]\n"\
-        "CURRENCY=${CURRENCY}\n"\
-        "CURRENCY_ROUND_UNIT=${CURRENCY}:0.01\n"\
-        "AML_THRESHOLD=${CURRENCY}:1000000\n"\
-        "\n[exchange]\n"\
-        "MASTER_PUBLIC_KEY=${MASTER_PUBLIC_KEY}\n"\
-        "BASE_URL=${EXCHANGE_BASE_URL}\n"\
-        "\n[merchant-exchange-${DOMAIN_NAME}]\n"\
-        "MASTER_KEY=${MASTER_PUBLIC_KEY}\n"\
-        "CURRENCY=${CURRENCY}\n"\
-        "EXCHANGE_BASE_URL=${EXCHANGE_BASE_URL}\n"\
-        "\n[exchange-account-default]\n"\
-        "PAYTO_URI=${EXCHANGE_PAYTO}\n"\
-        "ENABLE_DEBIT=YES\n"\
-        "ENABLE_CREDIT=YES\n"\
-        "@inline-secret@ exchange-accountcredentials-default ../secrets/exchange-accountcredentials-default.secret.conf\n" \
-     > /etc/taler/conf.d/setup.conf
-
-echo -e "[exchangedb-postgres]\n"\
-        "CONFIG=postgres:///${EXCHANGE_DB}\n"\
-        > /etc/taler/secrets/exchange-db.secret.conf
+echo -e "[taler]\n" \
+  "CURRENCY=${CURRENCY}\n" \
+  "CURRENCY_ROUND_UNIT=${CURRENCY}:0.01\n" \
+  "AML_THRESHOLD=${CURRENCY}:1000000\n" \
+  "\n[exchange]\n" \
+  "MASTER_PUBLIC_KEY=${MASTER_PUBLIC_KEY}\n" \
+  "BASE_URL=${EXCHANGE_BASE_URL}\n" \
+  "\n[merchant-exchange-${DOMAIN_NAME}]\n" \
+  "MASTER_KEY=${MASTER_PUBLIC_KEY}\n" \
+  "CURRENCY=${CURRENCY}\n" \
+  "EXCHANGE_BASE_URL=${EXCHANGE_BASE_URL}\n" \
+  "\n[exchange-account-default]\n" \
+  "PAYTO_URI=${EXCHANGE_PAYTO}\n" \
+  "ENABLE_DEBIT=YES\n" \
+  "ENABLE_CREDIT=YES\n" \
+  "@inline-secret@ exchange-accountcredentials-default ../secrets/exchange-accountcredentials-default.secret.conf\n" \
+  >/etc/taler/conf.d/setup.conf
+
+echo -e "[exchangedb-postgres]\n" \
+  "CONFIG=postgres:///${EXCHANGE_DB}\n" \
+  >/etc/taler/secrets/exchange-db.secret.conf
 chmod 440 /etc/taler/secrets/exchange-db.secret.conf
 chown root:taler-exchange-db /etc/taler/secrets/exchange-db.secret.conf
 
-echo -e "[exchange-accountcredentials-default]\n"\
-        "WIRE_GATEWAY_URL=${WIRE_GATEWAY_URL}\n"\
-        "WIRE_GATEWAY_AUTH_METHOD=basic\n"\
-        "USERNAME=${LIBEUFIN_NEXUS_USERNAME}\n"\
-        "PASSWORD=${NEXUS_EXCHANGE_PASSWORD}\n"\
-     > /etc/taler/secrets/exchange-accountcredentials-default.secret.conf
+echo -e "[exchange-accountcredentials-default]\n" \
+  "WIRE_GATEWAY_URL=${WIRE_GATEWAY_URL}\n" \
+  "WIRE_GATEWAY_AUTH_METHOD=basic\n" \
+  "USERNAME=${LIBEUFIN_NEXUS_USERNAME}\n" \
+  "PASSWORD=${NEXUS_EXCHANGE_PASSWORD}\n" \
+  >/etc/taler/secrets/exchange-accountcredentials-default.secret.conf
 chmod 400 /etc/taler/secrets/exchange-accountcredentials-default.secret.conf
 chown taler-exchange-wire:taler-exchange-db /etc/taler/secrets/exchange-accountcredentials-default.secret.conf
 
 taler-harness deployment gen-coin-config \
-              --min-amount ${CURRENCY}:0.01 \
-              --max-amount ${CURRENCY}:100 \
-    | sed -e "s/FEE_DEPOSIT = ${CURRENCY}:0.01/FEE_DEPOSIT = ${CURRENCY}:0/" \
-          > /etc/taler/conf.d/${CURRENCY}-coins.conf
-
+  --min-amount ${CURRENCY}:0.01 \
+  --max-amount ${CURRENCY}:100 |
+  sed -e "s/FEE_DEPOSIT = ${CURRENCY}:0.01/FEE_DEPOSIT = ${CURRENCY}:0/" \
+    >/etc/taler/conf.d/${CURRENCY}-coins.conf
 
 # FIXME-DOLD: this belongs with taler-harness
-for SEC in `taler-config -c /etc/taler/conf.d/${CURRENCY}-coins.conf -S | grep COIN-`
-do
-    taler-config -c /etc/taler/conf.d/${CURRENCY}-coins.conf -s $SEC -o CIPHER -V "RSA"
+for SEC in $(taler-config -c /etc/taler/conf.d/${CURRENCY}-coins.conf -S | grep COIN-); do
+  taler-config -c /etc/taler/conf.d/${CURRENCY}-coins.conf -s $SEC -o CIPHER -V "RSA"
 done
 
 say "Initializing exchange database"
@@ -170,51 +157,48 @@ echo "GRANT SELECT,INSERT,UPDATE,DELETE ON ALL TABLES IN SCHEMA exchange TO \"ta
 echo "GRANT USAGE ON SCHEMA _v TO \"taler-exchange-aggregator\";" | sudo -i -u postgres psql -f - ${EXCHANGE_DB}
 echo "GRANT SELECT ON ALL TABLES IN SCHEMA _v TO \"taler-exchange-aggregator\";" | sudo -i -u postgres psql -f - ${EXCHANGE_DB}
 
-
 say "Launching exchange"
 systemctl enable --now taler-exchange.target
 
-
 say "Waiting for exchange HTTP service (/config)..."
 curl --max-time 2 \
-     --retry-connrefused \
-     --retry-delay 1 \
-     --retry 10 \
-     ${EXCHANGE_BASE_URL}config &> /dev/null
+  --retry-connrefused \
+  --retry-delay 1 \
+  --retry 10 \
+  ${EXCHANGE_BASE_URL}config &>/dev/null
 say "DONE"
 
 say "Waiting for exchange management keys (this may take a while)..."
 curl --max-time 30 \
-     --retry-delay 1 \
-     --retry 60 \
-     ${EXCHANGE_BASE_URL}management/keys &> /dev/null
+  --retry-delay 1 \
+  --retry 60 \
+  ${EXCHANGE_BASE_URL}management/keys &>/dev/null
 say "DONE"
 
-if test ${DO_OFFLINE} == y
-then
-    say "Offline interaction..."
-
-    sudo -i -u taler-exchange-offline \
-      taler-exchange-offline \
-        -c /etc/taler/taler.conf \
-       download \
-       sign \
-       upload
-
-    sudo -i -u taler-exchange-offline \
-       taler-exchange-offline \
-       enable-account ${EXCHANGE_PAYTO} \
-       wire-fee now iban ${CURRENCY}:0 ${CURRENCY}:0 \
-       global-fee now ${CURRENCY}:0 ${CURRENCY}:0 ${CURRENCY}:0 1h 6a 0 \
-       upload
+if test ${DO_OFFLINE} == y; then
+  say "Offline interaction..."
+
+  sudo -i -u taler-exchange-offline \
+    taler-exchange-offline \
+    -c /etc/taler/taler.conf \
+    download \
+    sign \
+    upload
+
+  sudo -i -u taler-exchange-offline \
+    taler-exchange-offline \
+    enable-account ${EXCHANGE_PAYTO} \
+    wire-fee now iban ${CURRENCY}:0 ${CURRENCY}:0 \
+    global-fee now ${CURRENCY}:0 ${CURRENCY}:0 ${CURRENCY}:0 1h 6a 0 \
+    upload
 fi
 
 say "Waiting for exchange /keys..."
 curl --max-time 2 \
-     --retry-connrefused \
-     --retry-delay 1 \
-     --retry 10 \
-     ${EXCHANGE_BASE_URL}keys &> /dev/null
+  --retry-connrefused \
+  --retry-delay 1 \
+  --retry 10 \
+  ${EXCHANGE_BASE_URL}keys &>/dev/null
 say "DONE"
 
 say "Exchange setup finished"
diff --git a/netzbon/setup-merchant.sh b/netzbon/setup-merchant.sh
index d06c357..c647af4 100755
--- a/netzbon/setup-merchant.sh
+++ b/netzbon/setup-merchant.sh
@@ -6,6 +6,5 @@ source functions.sh
 source config/user.conf
 source config/internal.conf
 
-
 say "Launching taler-merchant-httpd"
 systemctl enable --now taler-merchant-httpd
-- 
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