contrib/examples/git-commit.sh: avoid "test <cond> -a/-o <cond>"

The construct is error-prone; "test" being built-in in most modern
shells, the reason to avoid "test <cond> && test <cond>" spawning
one extra process by using a single "test <cond> -a <cond>" no
longer exists.

Signed-off-by: Elia Pinto <[email protected]>
Reviewed-by: Matthieu Moy <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: devzero2000

contrib/examples/git-commit.sh

@@ -51,7 +51,7 @@ run_status () {
 		export GIT_INDEX_FILE
 	fi
 
-	if test "$status_only" = "t" -o "$use_status_color" = "t"; then
+	if test "$status_only" = "t" || test "$use_status_color" = "t"; then
 		color=
 	else
 		color=--nocolor
@@ -296,7 +296,7 @@ t,,,[1-9]*)
 	die "No paths with -i does not make sense." ;;
 esac
 
-if test ! -z "$templatefile" -a -z "$log_given"
+if test ! -z "$templatefile" && test -z "$log_given"
 then
 	if test ! -f "$templatefile"
 	then