Tweak color_diagnostics.bash code style

diff --git a/test/suites/color_diagnostics.bash b/test/suites/color_diagnostics.bash
index 7badb4b67e730064e1843ea9aea8db86722cddb8..31ccc078d8dbe619f29b5aa00bc05608a809bf91 100644 (file)
--- a/test/suites/color_diagnostics.bash
+++ b/test/suites/color_diagnostics.bash
@@ -1,7 +1,7 @@
-if $COMPILER_TYPE_GCC ; then
+if $COMPILER_TYPE_GCC; then
     color_diagnostics_enable='-fdiagnostics-color'
     color_diagnostics_disable='-fno-diagnostics-color'
-elif $COMPILER_TYPE_CLANG ; then
+elif $COMPILER_TYPE_CLANG; then
     color_diagnostics_enable='-fcolor-diagnostics'
     color_diagnostics_disable='-fno-color-diagnostics'
 fi
@@ -13,17 +13,17 @@ SUITE_color_diagnostics_PROBE() {
     fi
 
     # Probe that real compiler actually supports colored diagnostics.
-    if [[ ! $color_diagnostics_enable || ! $color_diagnostics_disable ]] ; then
+    if [[ ! $color_diagnostics_enable || ! $color_diagnostics_disable ]]; then
         echo "compiler $COMPILER does not support colored diagnostics"
-    elif ! $REAL_COMPILER $color_diagnostics_enable -E - </dev/null >/dev/null 2>&1 ; then
+    elif ! $REAL_COMPILER $color_diagnostics_enable -E - </dev/null >/dev/null 2>&1; then
         echo "compiler $COMPILER (version: $compiler_version) does not support $color_diagnostics_enable"
-    elif ! $REAL_COMPILER $color_diagnostics_disable -E - </dev/null >/dev/null 2>&1 ; then
+    elif ! $REAL_COMPILER $color_diagnostics_disable -E - </dev/null >/dev/null 2>&1; then
         echo "compiler $COMPILER (version: $compiler_version) does not support $color_diagnostics_disable"
     fi
 }
 
 SUITE_color_diagnostics_SETUP() {
-    if $run_second_cpp ; then
+    if $run_second_cpp; then
         export CCACHE_CPP2=1
     else
         export CCACHE_NOCPP2=1
@@ -50,14 +50,19 @@ color_diagnostics_generate_code() {
 
 # Heap's permutation algorithm
 color_diagnostics_generate_permutations() {
-    local -i i k="${1:?}-1"
-    if (( k )) ; then
+    local -i i
+    local -i k="${1:?}-1"
+    if ((k)); then
         color_diagnostics_generate_permutations "$k"
-        for (( i = 0 ; i < k ; ++i )) ; do
-            if (( k & 1 )) ; then
-                local tmp=${A[$i]} ; A[$i]=${A[$k]} ; A[$k]=$tmp
+        for ((i = 0; i < k; ++i)); do
+            if ((k & 1)); then
+                local tmp=${A[$i]}
+                A[$i]=${A[$k]}
+                A[$k]=$tmp
             else
-                local tmp=${A[0]} ; A[0]=${A[$k]} ; A[$k]=$tmp
+                local tmp=${A[0]}
+                A[0]=${A[$k]}
+                A[$k]=$tmp
             fi
             color_diagnostics_generate_permutations "$k"
         done
@@ -80,6 +85,7 @@ color_diagnostics_run_on_pty() {
 color_diagnostics_test() {
     # -------------------------------------------------------------------------
     TEST "Colored diagnostics automatically disabled when stderr is not a TTY (run_second_cpp=$run_second_cpp)"
+
     color_diagnostics_generate_code 1 test1.c
     $CCACHE_COMPILE -Wmissing-prototypes -c -o test1.o test1.c 2>test1.stderr
     color_diagnostics_expect_no_color test1.stderr
@@ -92,6 +98,7 @@ color_diagnostics_test() {
 
     # -------------------------------------------------------------------------
     TEST "Colored diagnostics automatically enabled when stderr is a TTY (run_second_cpp=$run_second_cpp)"
+
     color_diagnostics_generate_code 1 test1.c
     color_diagnostics_run_on_pty test1.output "$CCACHE_COMPILE -Wmissing-prototypes -c -o test1.o test1.c"
     color_diagnostics_expect_color test1.output
@@ -103,16 +110,20 @@ color_diagnostics_test() {
     expect_stat 'cache hit (preprocessed)' 1
 
     # -------------------------------------------------------------------------
-    while read -r case ; do
+    while read -r case; do
         TEST "Cache object shared across ${case} (run_second_cpp=$run_second_cpp)"
+
         color_diagnostics_generate_code 1 test1.c
-        local each ; for each in ${case} ; do
+        local each
+        for each in ${case}; do
             case $each in
                 color,*)
-                    local color_flag=$color_diagnostics_enable color_expect=color
+                    local color_flag=$color_diagnostics_enable
+                    local color_expect=color
                     ;;
                 nocolor,*)
-                    local color_flag=$color_diagnostics_disable color_expect=no_color
+                    local color_flag=$color_diagnostics_disable
+                    local color_expect=no_color
                     ;;
             esac
             case $each in
@@ -129,7 +140,7 @@ color_diagnostics_test() {
         expect_stat 'cache miss' 1
         expect_stat 'cache hit (preprocessed)' 3
     done < <(
-        A=( {color,nocolor},{tty,notty} )
+        A=({color,nocolor},{tty,notty})
         color_diagnostics_generate_permutations "${#A[@]}"
     )
 }