use xstrdup_or_null to replace ternary conditionals

diff --git a/git-stash.sh b/git-stash.sh
index 9c1ba8e4b81a1f118af1967c2c72795ba12d6df0..d4cf818be9488f1b94fdf4766a8f73db6bfd1029 100755 (executable)
--- a/git-stash.sh
+++ b/git-stash.sh
@@ -50,7 +50,7 @@ clear_stash () {
        then
                die "$(gettext "git stash clear with parameters is unimplemented")"
        fi
-       if current=$(git rev-parse --verify $ref_stash 2>/dev/null)
+       if current=$(git rev-parse --verify --quiet $ref_stash)
        then
                git update-ref -d $ref_stash $current
        fi
@@ -292,7 +292,7 @@ save_stash () {
 }
 
 have_stash () {
-       git rev-parse --verify $ref_stash >/dev/null 2>&1
+       git rev-parse --verify --quiet $ref_stash >/dev/null
 }
 
 list_stash () {
@@ -392,12 +392,12 @@ parse_flags_and_rev()
                ;;
        esac
 
-       REV=$(git rev-parse --quiet --symbolic --verify "$1" 2>/dev/null) || {
+       REV=$(git rev-parse --symbolic --verify --quiet "$1") || {
                reference="$1"
-               die "$(eval_gettext "\$reference is not valid reference")"
+               die "$(eval_gettext "\$reference is not a valid reference")"
        }
 
-       i_commit=$(git rev-parse --quiet --verify "$REV^2" 2>/dev/null) &&
+       i_commit=$(git rev-parse --verify --quiet "$REV^2") &&
        set -- $(git rev-parse "$REV" "$REV^1" "$REV:" "$REV^1:" "$REV^2:" 2>/dev/null) &&
        s=$1 &&
        w_commit=$1 &&
@@ -409,7 +409,7 @@ parse_flags_and_rev()
        test "$ref_stash" = "$(git rev-parse --symbolic-full-name "${REV%@*}")" &&
        IS_STASH_REF=t
 
-       u_commit=$(git rev-parse --quiet --verify "$REV^3" 2>/dev/null) &&
+       u_commit=$(git rev-parse --verify --quiet "$REV^3") &&
        u_tree=$(git rev-parse "$REV^3:" 2>/dev/null)
 }
 
@@ -531,7 +531,8 @@ drop_stash () {
                die "$(eval_gettext "\${REV}: Could not drop stash entry")"
 
        # clear_stash if we just dropped the last stash entry
-       git rev-parse --verify "$ref_stash@{0}" >/dev/null 2>&1 || clear_stash
+       git rev-parse --verify --quiet "$ref_stash@{0}" >/dev/null ||
+       clear_stash
 }
 
 apply_to_branch () {