Fix shellcheck issues

Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>

.gitlab-ci/clang-format-check.sh

@@ -2,11 +2,11 @@
 # Based on Github Action
 # https://github.com/yshui/git-clang-format-lint
 
-diff=`git-clang-format --diff --commit $CI_MERGE_REQUEST_DIFF_BASE_SHA`
+diff=$(git-clang-format --diff --commit "$CI_MERGE_REQUEST_DIFF_BASE_SHA")
 [ "$diff" = "no modified files to format" ] && exit 0
 [ "$diff" = "clang-format did not modify any files" ] && exit 0
 
 printf "You have introduced coding style breakages, suggested changes:\n\n"
 
-echo "$diff" | colordiff
+echo "${diff}" | colordiff
 exit 1

.gitlab-ci/git-check-signoff-trailer.sh

@@ -21,12 +21,12 @@ echo -e "${blue}Checking commit range: $CI_COMMIT_RANGE"
 echo
 echo
 
-for commit in `git rev-list $CI_COMMIT_RANGE`; do
-    git show -s --format=%B $commit | grep "^Signed-off-by: " 2>&1 >/dev/null
+for commit in $(git rev-list "$CI_COMMIT_RANGE"); do
+    git show -s --format=%B "$commit" | grep "^Signed-off-by: " >/dev/null 2>&1
     ret=$?
     if [ $ret -eq 1 ]; then
         echo -e "${red}  >>> Missing Signed-off-by trailer in commit $commit"
-        failed=`expr $failed + 1`
+        failed=$(("$failed" + 1))
     fi
 done
 

tests/benchmarks/bench1.sh

@@ -1,13 +1,14 @@
+#!/bin/bash
 export CIPHER=aes128-cbc
 export DEST=localhost
 
 echo "Upload raw SSH statistics"
-echo "local machine: `uname -a`"
-echo "Cipher : $CIPHER ; Destination : $DEST (`ssh $DEST uname -a`)"
-echo "Local ssh version: `ssh -V 2>&1`"
+echo "local machine: $(uname -a)"
+echo "Cipher : $CIPHER ; Destination : $DEST ($(ssh $DEST uname -a))"
+echo "Local ssh version: $(ssh -V 2>&1)"
 echo "Ping latency to $DEST":
 ping -q -c 1 -n $DEST
-echo "Destination $DEST SSHD version : `echo | nc $DEST 22 | head -n1`"
-echo "ssh login latency :`(time -f user:%U ssh $DEST 'id > /dev/null') 2>&1`"
+echo "Destination $DEST SSHD version : $(echo | nc $DEST 22 | head -n1)"
+echo "ssh login latency :$( (command time -f user:%U ssh $DEST 'id > /dev/null') 2>&1)"
 ./generate.py | dd bs=4096 count=100000 | time ssh -c $CIPHER $DEST "dd bs=4096 of=/dev/null" 2>&1
 

tests/benchmarks/bench2.sh

@@ -1,13 +1,14 @@
+#!/bin/bash
 export CIPHER=aes128-cbc
 export DEST=localhost
 
 echo "Upload raw SSH statistics"
-echo "local machine: `uname -a`"
-echo "Cipher : $CIPHER ; Destination : $DEST (`ssh $DEST uname -a`)"
-echo "Local ssh version: `samplessh -V 2>&1`"
+echo "local machine: $(uname -a)"
+echo "Cipher : $CIPHER ; Destination : $DEST ($(ssh $DEST uname -a))"
+echo "Local ssh version: $(samplessh -V 2>&1)"
 echo "Ping latency to $DEST":
 ping -q -c 1 -n $DEST
-echo "Destination $DEST SSHD version : `echo | nc $DEST 22 | head -n1`"
-echo "ssh login latency :`(time -f user:%U samplessh $DEST 'id > /dev/null') 2>&1`"
+echo "Destination $DEST SSHD version : $(echo | nc $DEST 22 | head -n1)"
+echo "ssh login latency :$( (command time -f user:%U samplessh $DEST 'id > /dev/null') 2>&1)"
 ./generate.py | dd bs=4096 count=100000 | strace  samplessh -c $CIPHER $DEST "dd bs=4096 of=/dev/null" 2>&1
 

tests/pkcs11/setup-softhsm-tokens.sh

@@ -94,8 +94,8 @@ fi
 # when creating more keys, we need to restart the p11-kit
 # so it can pick up the new keys
 if [ -h "$TESTDIR/p11-kit-server.socket" ]; then
-    kill -9 $(cat $TESTDIR/p11-kit-server.pid)
-    rm $TESTDIR/p11-kit-server.socket
+    kill -9 "$(cat "$TESTDIR/p11-kit-server.pid")"
+    rm "$TESTDIR/p11-kit-server.socket"
 fi
 
 # p11-kit complains if there is no runtime directory
@@ -113,7 +113,7 @@ if [ $ret -ne 0 ]; then
     echo "$out"
     exit 1
 fi
-eval $out
+eval "$out"
 
 # Symlink the p11-kit-server socket to "known place"
 P11_KIT_SERVER_ADDRESS_PATH=${P11_KIT_SERVER_ADDRESS:10}

tests/unittests/hello world.sh

@@ -1 +1,2 @@
-/bin/echo -n $1 2>&1
+#!/bin/sh
+printf '%s' "$1" 2>&1