Merge branch 'ep/avoid-test-a-o'

Update tests and scripts to avoid "test ... -a ...", which is often
more error-prone than "test ... && test ...".

Squashed misconversion fix-up into git-submodule.sh updates.

* ep/avoid-test-a-o:
  git-submodule.sh: avoid "echo" path-like values
  git-submodule.sh: avoid "test <cond> -a/-o <cond>"
  t/test-lib-functions.sh: avoid "test <cond> -a/-o <cond>"
  t/t9814-git-p4-rename.sh: avoid "test <cond> -a/-o <cond>"
  t/t5538-push-shallow.sh: avoid "test <cond> -a/-o <cond>"
  t/t5403-post-checkout-hook.sh: avoid "test <cond> -a/-o <cond>"
  t/t5000-tar-tree.sh: avoid "test <cond> -a/-o <cond>"
  t/t4102-apply-rename.sh: avoid "test <cond> -a/-o <cond>"
  t/t0026-eol-config.sh: avoid "test <cond> -a/-o <cond>"
  t/t0025-crlf-auto.sh: avoid "test <cond> -a/-o <cond>"
  t/lib-httpd.sh: avoid "test <cond> -a/-o <cond>"
  git-rebase--interactive.sh: avoid "test <cond> -a/-o <cond>"
  git-mergetool.sh: avoid "test <cond> -a/-o <cond>"
  git-bisect.sh: avoid "test <cond> -a/-o <cond>"
  contrib/examples/git-resolve.sh: avoid "test <cond> -a/-o <cond>"
  contrib/examples/git-repack.sh: avoid "test <cond> -a/-o <cond>"
  contrib/examples/git-merge.sh: avoid "test <cond> -a/-o <cond>"
  contrib/examples/git-commit.sh: avoid "test <cond> -a/-o <cond>"
  contrib/examples/git-clone.sh: avoid "test <cond> -a/-o <cond>"
  check_bindir: avoid "test <cond> -a/-o <cond>"

5 files changed, 8 insertions, 8 deletions

diff --git a/contrib/examples/git-clone.sh b/contrib/examples/git-clone.sh
index b4c9376a2..08cf246bb 100755
--- a/contrib/examples/git-clone.sh
+++ b/contrib/examples/git-clone.sh
@@ -516,7 +516,7 @@ then
 
 	case "$no_checkout" in
 	'')
-		test "z$quiet" = z -a "z$no_progress" = z && v=-v || v=
+		test "z$quiet" = z && test "z$no_progress" = z && v=-v || v=
 		git read-tree -m -u $v HEAD HEAD
 	esac
 fi
diff --git a/contrib/examples/git-commit.sh b/contrib/examples/git-commit.sh
index 5cafe2eb7..934505bab 100755
--- a/contrib/examples/git-commit.sh
+++ b/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 "$templatefile"
 	then
diff --git a/contrib/examples/git-merge.sh b/contrib/examples/git-merge.sh
index 7e40f40c7..52f2aafb9 100755
--- a/contrib/examples/git-merge.sh
+++ b/contrib/examples/git-merge.sh
@@ -161,7 +161,7 @@ merge_name () {
 			return
 		fi
 	fi
-	if test "$remote" = "FETCH_HEAD" -a -r "$GIT_DIR/FETCH_HEAD"
+	if test "$remote" = "FETCH_HEAD" && test -r "$GIT_DIR/FETCH_HEAD"
 	then
 		sed -e 's/	not-for-merge	/		/' -e 1q \
 			"$GIT_DIR/FETCH_HEAD"
@@ -527,7 +527,7 @@ do
 		git diff-files --name-only
 		git ls-files --unmerged
 	    } | wc -l`
-	    if test $best_cnt -le 0 -o $cnt -le $best_cnt
+	    if test $best_cnt -le 0 || test $cnt -le $best_cnt
 	    then
 		best_strategy=$strategy
 		best_cnt=$cnt
diff --git a/contrib/examples/git-repack.sh b/contrib/examples/git-repack.sh
index f312405a2..96e3fed32 100755
--- a/contrib/examples/git-repack.sh
+++ b/contrib/examples/git-repack.sh
@@ -76,8 +76,8 @@ case ",$all_into_one," in
 				existing="$existing $e"
 			fi
 		done
-		if test -n "$existing" -a -n "$unpack_unreachable" -a \
-			-n "$remove_redundant"
+		if test -n "$existing" && test -n "$unpack_unreachable" && \
+			test -n "$remove_redundant"
 		then
 			# This may have arbitrary user arguments, so we
 			# have to protect it against whitespace splitting
diff --git a/contrib/examples/git-resolve.sh b/contrib/examples/git-resolve.sh
index 48d0fc971..70fdc27b7 100755
--- a/contrib/examples/git-resolve.sh
+++ b/contrib/examples/git-resolve.sh
@@ -76,7 +76,7 @@ case "$common" in
 			2>/dev/null || continue
 		# Count the paths that are unmerged.
 		cnt=$(GIT_INDEX_FILE=$G git ls-files --unmerged | wc -l)
-		if test $best_cnt -le 0 -o $cnt -le $best_cnt
+		if test $best_cnt -le 0 || test $cnt -le $best_cnt
 		then
 			best=$c
 			best_cnt=$cnt