*: Convert tabulators to whitespaces in bash scripts.

Execution of `./scripts/fix.sh` that executed:
```
find ./ -name '*.sh' | xargs sed --follow-symlinks -i 's|\t|  |g'
```

tools/etcd-dump-logs/testdecoder/decoder_correctoutputformat.sh

@@ -3,8 +3,8 @@ while read line
 do
   LEN=$(echo ${#line})
   if [ $LEN -ge 20 ]; then
-  	echo "OK|$line" | tr 1234567890 abcdefghij
+    echo "OK|$line" | tr 1234567890 abcdefghij
   else
-  	echo "ERROR|$line" | tr 1234567890 abcdefghij
+    echo "ERROR|$line" | tr 1234567890 abcdefghij
   fi
 done < "${1:-/dev/stdin}"

tools/local-tester/bridge.sh

@@ -1,16 +1,16 @@
 #!/bin/sh
 
 exec tools/local-tester/bridge/bridge \
-	-delay-accept		\
-	-reset-listen		\
-	-conn-fault-rate=0.25	\
-	-immediate-close	\
-	-blackhole		\
-	-time-close		\
-	-write-remote-only	\
-	-read-remote-only	\
-	-random-blackhole	\
-	-corrupt-receive	\
-	-corrupt-send		\
-	-reorder		\
-	$@
+  -delay-accept    \
+  -reset-listen    \
+  -conn-fault-rate=0.25  \
+  -immediate-close  \
+  -blackhole    \
+  -time-close    \
+  -write-remote-only  \
+  -read-remote-only  \
+  -random-blackhole  \
+  -corrupt-receive  \
+  -corrupt-send    \
+  -reorder    \
+  $@

tools/local-tester/faults.sh

@@ -4,88 +4,88 @@ PROCFILE="tools/local-tester/Procfile"
 HTTPFAIL=(127.0.0.1:11180 127.0.0.1:22280 127.0.0.1:33380)
 
 function wait_time {
-	expr $RANDOM % 10 + 1
+  expr $RANDOM % 10 + 1
 }
 
 function cycle {
-	for a; do
-		echo "cycling $a"
-		goreman -f $PROCFILE run stop $a || echo "could not stop $a"
-		sleep `wait_time`s
-		goreman -f $PROCFILE run restart $a || echo "could not restart $a"
-	done
+  for a; do
+    echo "cycling $a"
+    goreman -f $PROCFILE run stop $a || echo "could not stop $a"
+    sleep `wait_time`s
+    goreman -f $PROCFILE run restart $a || echo "could not restart $a"
+  done
 }
 
 function cycle_members {
-	cycle etcd1 etcd2 etcd3
+  cycle etcd1 etcd2 etcd3
 }
 function cycle_pbridge {
-	cycle pbridge1 pbridge2 pbridge3
+  cycle pbridge1 pbridge2 pbridge3
 }
 function cycle_cbridge {
-	cycle cbridge1 cbridge2 cbridge3
+  cycle cbridge1 cbridge2 cbridge3
 }
 function cycle_stresser {
-	cycle stress-put
+  cycle stress-put
 }
 
 function kill_maj {
-	idx="etcd"`expr $RANDOM % 3 + 1`
-	idx2="$idx"
-	while [ "$idx" == "$idx2" ]; do
-		idx2="etcd"`expr $RANDOM % 3 + 1`
-	done
-	echo "kill majority $idx $idx2"
-	goreman -f $PROCFILE run stop $idx || echo "could not stop $idx"
-	goreman -f $PROCFILE run stop $idx2 || echo "could not stop $idx2"
-	sleep `wait_time`s
-	goreman -f $PROCFILE run restart $idx || echo "could not restart $idx"
-	goreman -f $PROCFILE run restart $idx2 || echo "could not restart $idx2"
+  idx="etcd"`expr $RANDOM % 3 + 1`
+  idx2="$idx"
+  while [ "$idx" == "$idx2" ]; do
+    idx2="etcd"`expr $RANDOM % 3 + 1`
+  done
+  echo "kill majority $idx $idx2"
+  goreman -f $PROCFILE run stop $idx || echo "could not stop $idx"
+  goreman -f $PROCFILE run stop $idx2 || echo "could not stop $idx2"
+  sleep `wait_time`s
+  goreman -f $PROCFILE run restart $idx || echo "could not restart $idx"
+  goreman -f $PROCFILE run restart $idx2 || echo "could not restart $idx2"
 }
 
 function kill_all {
-	for a in etcd1 etcd2 etcd3; do
-		goreman -f $PROCFILE run stop $a || echo "could not stop $a"
-	done
-	sleep `wait_time`s
-	for a in etcd1 etcd2 etcd3; do
-		goreman -f $PROCFILE run restart $a || echo "could not restart $a"
-	done
+  for a in etcd1 etcd2 etcd3; do
+    goreman -f $PROCFILE run stop $a || echo "could not stop $a"
+  done
+  sleep `wait_time`s
+  for a in etcd1 etcd2 etcd3; do
+    goreman -f $PROCFILE run restart $a || echo "could not restart $a"
+  done
 }
 
 function rand_fp {
-	echo "$FAILPOINTS" | sed `expr $RANDOM % $NUMFPS + 1`"q;d"
+  echo "$FAILPOINTS" | sed `expr $RANDOM % $NUMFPS + 1`"q;d"
 }
 
 # fp_activate <http> <fppath> <value>
 function fp_activate {
-	curl "$1"/"$2" -XPUT -d "$3" >/dev/null 2>&1
+  curl "$1"/"$2" -XPUT -d "$3" >/dev/null 2>&1
 }
 
 function fp_rand_single {
-	fp=`rand_fp`
-	fp_activate ${HTTPFAIL[`expr $RANDOM % ${#HTTPFAIL[@]}`]} $fp 'panic("'$fp'")'
-	sleep `wait_time`s
+  fp=`rand_fp`
+  fp_activate ${HTTPFAIL[`expr $RANDOM % ${#HTTPFAIL[@]}`]} $fp 'panic("'$fp'")'
+  sleep `wait_time`s
 }
 
 function fp_rand_all {
-	fp=`rand_fp`
-	for a in `seq ${#HTTPFAIL[@]}`; do fp_activate ${HTTPFAIL[$a]} "$fp" 'panic("'$fp'")'; done
-	sleep `wait_time`s
+  fp=`rand_fp`
+  for a in `seq ${#HTTPFAIL[@]}`; do fp_activate ${HTTPFAIL[$a]} "$fp" 'panic("'$fp'")'; done
+  sleep `wait_time`s
 }
 
 function fp_all_rand_fire {
-	for fp in $FAILPOINTS; do
-		for url in "${HTTPFAIL[@]}"; do
-			fp_activate "$url" "$fp" '0.5%panic("0.5%'$fp'")'
-		done
-	done
+  for fp in $FAILPOINTS; do
+    for url in "${HTTPFAIL[@]}"; do
+      fp_activate "$url" "$fp" '0.5%panic("0.5%'$fp'")'
+    done
+  done
 }
 
 function choose {
-	fault=${FAULTS[`expr $RANDOM % ${#FAULTS[@]}`]}
-	echo $fault
-	$fault || echo "failed: $fault"
+  fault=${FAULTS[`expr $RANDOM % ${#FAULTS[@]}`]}
+  echo $fault
+  $fault || echo "failed: $fault"
 }
 
 sleep 2s
@@ -96,13 +96,13 @@ FAULTS=(cycle_members kill_maj kill_all cycle_pbridge cycle_cbridge cycle_stress
 FAILPOINTS=`curl http://"${HTTPFAIL[0]}" 2>/dev/null | cut -f1 -d'=' | grep -v "^$"`
 NUMFPS=`echo $(echo "$FAILPOINTS" | wc -l)`
 if [ "$NUMFPS" != "0" ]; then
-	FAULTS+=(fp_rand_single)
-	FAULTS+=(fp_rand_all)
+  FAULTS+=(fp_rand_single)
+  FAULTS+=(fp_rand_all)
 fi
 
 while [ 1 ]; do
-	choose
-	# start any nodes that have been killed by failpoints
-	for a in etcd1 etcd2 etcd3; do goreman -f $PROCFILE run start $a; done
-	fp_all_rand_fire
+  choose
+  # start any nodes that have been killed by failpoints
+  for a in etcd1 etcd2 etcd3; do goreman -f $PROCFILE run start $a; done
+  fp_all_rand_fire
 done