Fix formatting with shfmt

{hooks,install,script}/*:
Fix formatting in all scripts using shfmt.
Replace a few echo calls with printf.

12 files changed, 43 insertions, 44 deletions

diff --git a/hooks/archiso b/hooks/archiso
index d897ae1..742fbbf 100644
--- a/hooks/archiso
+++ b/hooks/archiso
@@ -7,13 +7,13 @@ _mnt_dmsnapshot() {
     local img="${1}"
     local newroot="${2}"
     local mnt="${3}"
-    local img_fullname="${img##*/}";
+    local img_fullname="${img##*/}"
     local img_name="${img_fullname%%.*}"
     local dm_snap_name="${dm_snap_prefix}_${img_name}"
     local ro_dev ro_dev_size rw_dev
 
     ro_dev="$(losetup --find --show --read-only -- "${img}")"
-    echo "${ro_dev}" >> /run/archiso/used_block_devices
+    printf '%s\n' "${ro_dev}" >>/run/archiso/used_block_devices
     ro_dev_size="$(blockdev --getsz "${ro_dev}")"
 
     if [ "${cow_persistent}" = "P" ]; then
@@ -33,7 +33,7 @@ _mnt_dmsnapshot() {
     fi
 
     rw_dev="$(losetup --find --show "/run/archiso/cowspace/${cow_directory}/${img_name}.cow")"
-    echo "${rw_dev}" >> /run/archiso/used_block_devices
+    printf '%s\n' "${rw_dev}" >>/run/archiso/used_block_devices
 
     dmsetup create "${dm_snap_name}" --table \
         "0 ${ro_dev_size} snapshot ${ro_dev} ${rw_dev} ${cow_persistent} ${cow_chunksize}"
@@ -43,7 +43,7 @@ _mnt_dmsnapshot() {
     fi
 
     _mnt_dev "/dev/mapper/${dm_snap_name}" "${newroot}${mnt}" "-w" "defaults"
-    readlink -f "/dev/mapper/${dm_snap_name}" >> /run/archiso/used_block_devices
+    readlink -f "/dev/mapper/${dm_snap_name}" >>/run/archiso/used_block_devices
 }
 
 # args: source, newroot, mountpoint
@@ -53,11 +53,10 @@ _mnt_overlayfs() {
     local mnt="${3}"
     mkdir -p "/run/archiso/cowspace/${cow_directory}/upperdir" "/run/archiso/cowspace/${cow_directory}/workdir"
     mount -t overlay -o \
-    "lowerdir=${src},upperdir=/run/archiso/cowspace/${cow_directory}/upperdir,workdir=/run/archiso/cowspace/${cow_directory}/workdir" \
-    airootfs "${newroot}${mnt}"
+        "lowerdir=${src},upperdir=/run/archiso/cowspace/${cow_directory}/upperdir,workdir=/run/archiso/cowspace/${cow_directory}/workdir" \
+        airootfs "${newroot}${mnt}"
 }
 
-
 # args: /path/to/image_file, mountpoint
 _mnt_sfs() {
     local img="${1}"
@@ -72,9 +71,9 @@ _mnt_sfs() {
 
         # in case we have pv use it to display copy progress feedback otherwise
         # fallback to using plain cp
-        if command -v pv > /dev/null 2>&1; then
+        if command -v pv >/dev/null 2>&1; then
             echo ""
-            (pv "${img}" > "/run/archiso/copytoram/${img_fullname}")
+            (pv "${img}" >"/run/archiso/copytoram/${img_fullname}")
             local rc=$?
         else
             (cp -- "${img}" "/run/archiso/copytoram/${img_fullname}")
@@ -90,7 +89,7 @@ _mnt_sfs() {
         msg "done."
     fi
     sfs_dev="$(losetup --find --show --read-only -- "${img}")"
-    echo "${sfs_dev}" >> /run/archiso/used_block_devices
+    echo "${sfs_dev}" >>/run/archiso/used_block_devices
     _mnt_dev "${sfs_dev}" "${mnt}" "-r" "defaults"
 }
 
@@ -105,7 +104,7 @@ _mnt_erofs() {
     # defined via initcpio's parse_cmdline()
     if [ "${copytoram}" = "y" ]; then
         msg -n ":: Copying EROFS image to RAM..."
-        if ! cp -- "${img}" "/run/archiso/copytoram/${img_fullname}" ; then
+        if ! cp -- "${img}" "/run/archiso/copytoram/${img_fullname}"; then
             echo "ERROR: while copy '${img}' to '/run/archiso/copytoram/${img_fullname}'"
             launch_interactive_shell
         fi
@@ -113,7 +112,7 @@ _mnt_erofs() {
         msg "done."
     fi
     erofs_dev="$(losetup --find --show --read-only -- "${img}")"
-    echo "${erofs_dev}" >> /run/archiso/used_block_devices
+    echo "${erofs_dev}" >>/run/archiso/used_block_devices
     _mnt_dev "${erofs_dev}" "${mnt}" "-r" "defaults" "erofs"
 }
 
@@ -149,7 +148,7 @@ _mnt_dev() {
 _verify_checksum() {
     local _status
     cd "/run/archiso/bootmnt/${archisobasedir}/${arch}" || exit 1
-    sha512sum -c airootfs.sha512 > /tmp/checksum.log 2>&1
+    sha512sum -c airootfs.sha512 >/tmp/checksum.log 2>&1
     _status=$?
     cd -- "${OLDPWD}" || exit 1
     return "${_status}"
@@ -203,7 +202,7 @@ archiso_mount_handler() {
     if ! mountpoint -q "/run/archiso/bootmnt"; then
         _mnt_dev "${archisodevice}" "/run/archiso/bootmnt" "-r" "defaults"
         if [ "${copytoram}" != "y" ]; then
-            readlink -f "${archisodevice}" >> /run/archiso/used_block_devices
+            readlink -f "${archisodevice}" >>/run/archiso/used_block_devices
         fi
     fi
 
@@ -255,7 +254,7 @@ archiso_mount_handler() {
 
     if [ -n "${cow_device}" ]; then
         _mnt_dev "${cow_device}" "/run/archiso/cowspace" "-r" "${cow_flags}"
-        readlink -f "${cow_device}" >> /run/archiso/used_block_devices
+        readlink -f "${cow_device}" >>/run/archiso/used_block_devices
         mount -o remount,rw "/run/archiso/cowspace"
     else
         msg ":: Mounting /run/archiso/cowspace (tmpfs) filesystem, size=${cow_spacesize}..."
diff --git a/hooks/archiso_loop_mnt b/hooks/archiso_loop_mnt
index 41899e4..a5a71e8 100644
--- a/hooks/archiso_loop_mnt
+++ b/hooks/archiso_loop_mnt
@@ -2,7 +2,7 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-run_hook () {
+run_hook() {
     # shellcheck disable=SC2154
     # defined via initcpio's parse_cmdline()
     [ -n "${img_label}" ] && img_dev="/dev/disk/by-label/${img_label}"
@@ -14,7 +14,7 @@ run_hook () {
     fi
 }
 
-archiso_loop_mount_handler () {
+archiso_loop_mount_handler() {
     newroot="${1}"
 
     local _dev_loop
@@ -24,7 +24,7 @@ archiso_loop_mount_handler () {
     # shellcheck disable=SC2154
     # defined via initcpio's parse_cmdline()
     if [ "${copytoram}" != "y" ]; then
-        readlink -f "${img_dev}" >> /run/archiso/used_block_devices
+        readlink -f "${img_dev}" >>/run/archiso/used_block_devices
     fi
 
     if _dev_loop=$(losetup --find --show --read-only "/run/archiso/img_dev/${img_loop}"); then
diff --git a/hooks/archiso_pxe_common b/hooks/archiso_pxe_common
index 00507cb..6cadc34 100644
--- a/hooks/archiso_pxe_common
+++ b/hooks/archiso_pxe_common
@@ -2,7 +2,7 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-run_hook () {
+run_hook() {
     # Do *not* declare 'bootif_dev' local! We need it in run_latehook().
     local i net_mac bootif_mac
     local DNSDOMAIN HOSTNAME IPV4DNS0 IPV4DNS1 ROOTSERVER
@@ -17,7 +17,7 @@ run_hook () {
             # ash supports bash-like string replacment
             bootif_mac="${bootif_mac//-/:}"
             for i in /sys/class/net/*/address; do
-                read -r net_mac < "${i}"
+                read -r net_mac <"${i}"
                 if [ "${bootif_mac}" = "${net_mac}" ]; then
                     bootif_dev=${i#/sys/class/net/}
                     bootif_dev=${bootif_dev%/address}
@@ -47,20 +47,20 @@ run_hook () {
 
         # setup DNS resolver
         if [ "${IPV4DNS0}" != "0.0.0.0" ]; then
-            echo "# added by archiso_pxe_common hook" > /etc/resolv.conf
-            echo "nameserver ${IPV4DNS0}" >> /etc/resolv.conf
+            echo "# added by archiso_pxe_common hook" >/etc/resolv.conf
+            echo "nameserver ${IPV4DNS0}" >>/etc/resolv.conf
         fi
         if [ "${IPV4DNS1}" != "0.0.0.0" ]; then
-            echo "nameserver ${IPV4DNS1}" >> /etc/resolv.conf
+            echo "nameserver ${IPV4DNS1}" >>/etc/resolv.conf
         fi
         if [ -n "${DNSDOMAIN}" ]; then
-            echo "search ${DNSDOMAIN}" >> /etc/resolv.conf
-            echo "domain ${DNSDOMAIN}" >> /etc/resolv.conf
+            echo "search ${DNSDOMAIN}" >>/etc/resolv.conf
+            echo "domain ${DNSDOMAIN}" >>/etc/resolv.conf
         fi
     fi
 }
 
-run_latehook () {
+run_latehook() {
     if [ -n "${ip}" ]; then
         [ -z "${copy_resolvconf}" ] && copy_resolvconf="y"
 
@@ -73,8 +73,8 @@ run_latehook () {
                 ip link set "${netdev}" down
             done
         elif [ "${copy_resolvconf}" != "n" ] && [ -f /etc/resolv.conf ]; then
-            rm -f /new_root/etc/resolv.conf
-            cp /etc/resolv.conf /new_root/etc/resolv.conf
+            rm -f -- /new_root/etc/resolv.conf
+            cp -- /etc/resolv.conf /new_root/etc/resolv.conf
         fi
     fi
 }
diff --git a/hooks/archiso_pxe_http b/hooks/archiso_pxe_http
index 43b8b4b..db75703 100644
--- a/hooks/archiso_pxe_http
+++ b/hooks/archiso_pxe_http
@@ -37,7 +37,7 @@ _curl_get() {
     fi
 }
 
-archiso_pxe_http_mount_handler () {
+archiso_pxe_http_mount_handler() {
     newroot="${1}"
     local img_type="sfs"
 
diff --git a/hooks/archiso_pxe_nbd b/hooks/archiso_pxe_nbd
index 8ac44e7..2e363d9 100644
--- a/hooks/archiso_pxe_nbd
+++ b/hooks/archiso_pxe_nbd
@@ -7,7 +7,7 @@ run_earlyhook() {
     # defined via initcpio's parse_cmdline()
     if [ -n "${ip}" ] && [ -n "${archiso_nbd_srv}" ]; then
         # Module autoloading like with loop devices does not work, doing manually...
-        modprobe nbd 2> /dev/null
+        modprobe nbd 2>/dev/null
     fi
 }
 
@@ -21,7 +21,7 @@ run_hook() {
     fi
 }
 
-archiso_pxe_nbd_mount_handler () {
+archiso_pxe_nbd_mount_handler() {
     newroot="${1}"
 
     msg ":: Waiting for boot device..."
diff --git a/install/archiso b/install/archiso
index c64e10e..d04e04f 100644
--- a/install/archiso
+++ b/install/archiso
@@ -19,10 +19,10 @@ build() {
     add_binary gpg
     add_binary grep
 
-    if command -v pv > /dev/null 2>&1; then
-      add_binary pv
+    if command -v pv >/dev/null 2>&1; then
+        add_binary pv
     else
-      warning 'pv not found; falling back to cp for copy to RAM'
+        warning 'pv not found; falling back to cp for copy to RAM'
     fi
 
     add_file /usr/lib/udev/rules.d/60-cdrom_id.rules
@@ -31,6 +31,6 @@ build() {
     add_file /usr/lib/initcpio/udev/11-dm-initramfs.rules /usr/lib/udev/rules.d/11-dm-initramfs.rules
     if [[ $ARCHISO_GNUPG_FD ]]; then
         mkdir -m 0700 -- "$BUILDROOT/gpg"
-        gpg --homedir "$BUILDROOT/gpg" --import <& "$ARCHISO_GNUPG_FD"
+        gpg --homedir "$BUILDROOT/gpg" --import <&"$ARCHISO_GNUPG_FD"
     fi
 }
diff --git a/install/archiso_kms b/install/archiso_kms
index 8129127..018f574 100644
--- a/install/archiso_kms
+++ b/install/archiso_kms
@@ -24,7 +24,7 @@ build() {
 }
 
 help() {
-    cat << HELPEOF
+    cat <<HELPEOF
 Adds all common KMS drivers to the initramfs image.
 HELPEOF
 }
diff --git a/install/archiso_loop_mnt b/install/archiso_loop_mnt
index 1f2c529..f0fed76 100644
--- a/install/archiso_loop_mnt
+++ b/install/archiso_loop_mnt
@@ -7,7 +7,7 @@ build() {
 }
 
 help() {
-cat<<HELPEOF
+    cat <<HELPEOF
   This hook loads the necessary modules for boot via loop device.
 HELPEOF
 }
diff --git a/install/archiso_pxe_common b/install/archiso_pxe_common
index 458fa69..ad96c32 100644
--- a/install/archiso_pxe_common
+++ b/install/archiso_pxe_common
@@ -16,11 +16,11 @@ build() {
     add_binary "$(readlink -f /usr/lib/libnss_dns.so.2)"
 
     add_dir /etc
-    echo "hosts: files dns" > "$BUILDROOT/etc/nsswitch.conf"
+    printf "hosts: files dns\n" >"$BUILDROOT/etc/nsswitch.conf"
 }
 
 help() {
-cat<<HELPEOF
+    cat <<HELPEOF
   This hook loads the necessary modules for boot via PXE.
 HELPEOF
 }
diff --git a/install/archiso_pxe_http b/install/archiso_pxe_http
index 1e80852..afdde43 100644
--- a/install/archiso_pxe_http
+++ b/install/archiso_pxe_http
@@ -11,7 +11,7 @@ build() {
 }
 
 help() {
-cat<<HELPEOF
+    cat <<HELPEOF
   This hook loads the necessary modules for boot via PXE and HTTP.
 HELPEOF
 }
diff --git a/install/archiso_pxe_nbd b/install/archiso_pxe_nbd
index b4fb3b6..2d19f0e 100644
--- a/install/archiso_pxe_nbd
+++ b/install/archiso_pxe_nbd
@@ -11,7 +11,7 @@ build() {
 }
 
 help() {
-cat<<HELPEOF
+    cat <<HELPEOF
   This hook loads the necessary modules for boot via PXE and NBD.
 HELPEOF
 }
diff --git a/script/archiso_shutdown b/script/archiso_shutdown
index 23a8a79..dd3bb96 100644
--- a/script/archiso_shutdown
+++ b/script/archiso_shutdown
@@ -14,7 +14,7 @@ dmsetup remove_all
 
 # Remove all loopback devices.
 for _lup in $(grep ^/dev/loop /oldrun/archiso/used_block_devices | tac); do
-    if ! losetup -d -- "${_lup}" 2> /dev/null; then
+    if ! losetup -d -- "${_lup}" 2>/dev/null; then
         umount -d -- "${_lup}"
     fi
 done
@@ -34,8 +34,8 @@ fi
 # reboot / poweroff / halt, depending on the argument passed by init
 # if something invalid is passed, we halt
 case "$1" in
-  reboot|poweroff|halt) "$1" -f ;;
-  *) halt -f;;
+reboot | poweroff | halt) "$1" -f ;;
+*) halt -f ;;
 esac
 
 # vim: set ft=sh: