git-submodule.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 <gitter.spiros@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/git-submodule.sh b/git-submodule.sh
index e146b833d163ab58984fec3d6fb9f45b148e0171..d0d9b5872330899cbac5c1b23f6f073b1c9f3419 100755 (executable)
--- a/git-submodule.sh
+++ b/git-submodule.sh
@@ -393,7 +393,7 @@ cmd_add()
                        sed -e 's|/$||' -e 's|:*/*\.git$||' -e 's|.*[/:]||g')
        fi
 
-       if test -z "$repo" -o -z "$sm_path"; then
+       if test -z "$repo" || test -z "$sm_path"; then
                usage
        fi
 
@@ -450,7 +450,7 @@ Use -f if you really want to add it." >&2
        # perhaps the path exists and is already a git repo, else clone it
        if test -e "$sm_path"
        then
-               if test -d "$sm_path"/.git -o -f "$sm_path"/.git
+               if test -d "$sm_path"/.git || test -f "$sm_path"/.git
                then
                        eval_gettextln "Adding existing repo at '\$sm_path' to the index"
                else
@@ -832,7 +832,7 @@ Maybe you want to use 'update --init'?")"
                        continue
                fi
 
-               if ! test -d "$sm_path"/.git -o -f "$sm_path"/.git
+               if ! test -d "$sm_path"/.git && ! test -f "$sm_path"/.git
                then
                        module_clone "$sm_path" "$name" "$url" "$reference" "$depth" || exit
                        cloned_modules="$cloned_modules;$name"
@@ -857,11 +857,11 @@ Maybe you want to use 'update --init'?")"
                        die "$(eval_gettext "Unable to find current ${remote_name}/${branch} revision in submodule path '\$sm_path'")"
                fi
 
-               if test "$subsha1" != "$sha1" -o -n "$force"
+               if test "$subsha1" != "$sha1" || test -n "$force"
                then
                        subforce=$force
                        # If we don't already have a -f flag and the submodule has never been checked out
-                       if test -z "$subsha1" -a -z "$force"
+                       if test -z "$subsha1" && test -z "$force"
                        then
                                subforce="-f"
                        fi
@@ -1031,7 +1031,7 @@ cmd_summary() {
        then
                head=$rev
                test $# = 0 || shift
-       elif test -z "$1" -o "$1" = "HEAD"
+       elif test -z "$1" || test "$1" = "HEAD"
        then
                # before the first commit: compare with an empty tree
                head=$(git hash-object -w -t tree --stdin </dev/null)
@@ -1056,13 +1056,17 @@ cmd_summary() {
                while read mod_src mod_dst sha1_src sha1_dst status sm_path
                do
                        # Always show modules deleted or type-changed (blob<->module)
-                       test $status = D -o $status = T && echo "$sm_path" && continue
+                       if test "$status" = D || test "$status" = T
+                       then
+                               echo "$sm_path"
+                               continue
+                       fi
                        # Respect the ignore setting for --for-status.
                        if test -n "$for_status"
                        then
                                name=$(module_name "$sm_path")
                                ignore_config=$(get_submodule_config "$name" ignore none)
-                               test $status != A -a $ignore_config = all && continue
+                               test $status != A && test $ignore_config = all && continue
                        fi
                        # Also show added or modified modules which are checked out
                        GIT_DIR="$sm_path/.git" git-rev-parse --git-dir >/dev/null 2>&1 &&
@@ -1122,7 +1126,7 @@ cmd_summary() {
                *)
                        errmsg=
                        total_commits=$(
-                       if test $mod_src = 160000 -a $mod_dst = 160000
+                       if test $mod_src = 160000 && test $mod_dst = 160000
                        then
                                range="$sha1_src...$sha1_dst"
                        elif test $mod_src = 160000
@@ -1159,7 +1163,7 @@ cmd_summary() {
                        # i.e. deleted or changed to blob
                        test $mod_dst = 160000 && echo "$errmsg"
                else
-                       if test $mod_src = 160000 -a $mod_dst = 160000
+                       if test $mod_src = 160000 && test $mod_dst = 160000
                        then
                                limit=
                                test $summary_limit -gt 0 && limit="-$summary_limit"
@@ -1230,7 +1234,11 @@ cmd_status()
                        say "U$sha1 $displaypath"
                        continue
                fi
-               if test -z "$url" || ! test -d "$sm_path"/.git -o -f "$sm_path"/.git
+               if test -z "$url" ||
+               {
+                       ! test -d "$sm_path"/.git &&
+                       ! test -f "$sm_path"/.git
+               }
                then
                        say "-$sha1 $displaypath"
                        continue;
@@ -1399,7 +1407,7 @@ then
 fi
 
 # "--cached" is accepted only by "status" and "summary"
-if test -n "$cached" && test "$command" != status -a "$command" != summary
+if test -n "$cached" && test "$command" != status && test "$command" != summary
 then
        usage
 fi