link_alt_odb_entry: refactor string handling

diff --git a/git-submodule.sh b/git-submodule.sh
index b57f87de658b627c48ec672faaab3dc6aac3b505..a024a135d6663c8a8d5ceb926e3f42df1f577411 100755 (executable)
--- a/git-submodule.sh
+++ b/git-submodule.sh
@@ -44,6 +44,7 @@ update=
 prefix=
 custom_name=
 depth=
+progress=
 
 die_if_unmatched ()
 {
@@ -498,6 +499,9 @@ cmd_update()
                -q|--quiet)
                        GIT_QUIET=1
                        ;;
+               --progress)
+                       progress="--progress"
+                       ;;
                -i|--init)
                        init=1
                        ;;
@@ -573,10 +577,11 @@ cmd_update()
 
        {
        git submodule--helper update-clone ${GIT_QUIET:+--quiet} \
+               ${progress:+"$progress"} \
                ${wt_prefix:+--prefix "$wt_prefix"} \
                ${prefix:+--recursive-prefix "$prefix"} \
                ${update:+--update "$update"} \
-               ${reference:+--reference "$reference"} \
+               ${reference:+"$reference"} \
                ${depth:+--depth "$depth"} \
                ${recommend_shallow:+"$recommend_shallow"} \
                ${jobs:+$jobs} \