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[PATCH v6 2/7] submodule: don't pass empty string arguments to submodule--helper clone

From
Jacob Keller <jacob.e.keller@intel.com>
Date
Feb 29, 2016, 22:58 UTC
Message-ID
<1456786715-24256-3-git-send-email-jacob.e.keller@intel.com>
In-Reply-To
<1456786715-24256-1-git-send-email-jacob.e.keller@intel.com>
From: Jacob Keller <jacob.keller@gmail.com>

When --reference or --depth are unused, the current git-submodule.sh results in empty "" arguments appended to the end of the argv array inside git submodule--helper clone. This is not caught because the argc count is not checked today.

Fix git-submodule.sh to only pass an argument when --reference or --depth are used, preventing the addition of two empty string arguments on the tail of the argv array.

Signed-off-by: Jacob Keller <jacob.keller@gmail.com>
---
This is a split of a previous patch as suggested by Junio, to make it
easier to review the changes.
 git-submodule.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/git-submodule.sh b/git-submodule.sh
index 9bc5c5f94d1d..2dd29b3df0e6 100755
--- a/git-submodule.sh
+++ b/git-submodule.sh
@@ -347,7 +347,7 @@ Use -f if you really want to add it." >&2
 				echo "$(eval_gettext "Reactivating local git directory for submodule '\$sm_name'.")"
 			fi
 		fi
-		git submodule--helper clone ${GIT_QUIET:+--quiet} --prefix "$wt_prefix" --path "$sm_path" --name "$sm_name" --url "$realrepo" "$reference" "$depth" || exit
+		git submodule--helper clone ${GIT_QUIET:+--quiet} --prefix "$wt_prefix" --path "$sm_path" --name "$sm_name" --url "$realrepo" ${reference:+"$reference"} ${depth:+"$depth"} || exit
 		(
 			clear_local_git_env
 			cd "$sm_path" &&
@@ -709,7 +709,7 @@ Maybe you want to use 'update --init'?")"
 
 		if ! test -d "$sm_path"/.git && ! test -f "$sm_path"/.git
 		then
-			git submodule--helper clone ${GIT_QUIET:+--quiet} --prefix "$prefix" --path "$sm_path" --name "$name" --url "$url" "$reference" "$depth" || exit
+			git submodule--helper clone ${GIT_QUIET:+--quiet} --prefix "$prefix" --path "$sm_path" --name "$name" --url "$url" ${reference:+"$reference"} ${depth:+"$depth"} || exit
 			cloned_modules="$cloned_modules;$name"
 			subsha1=
 		else
-- 
2.7.1.429.g45cd78e
Previous: Jacob KellerNext: Stefan Beller
Message 3 of 27 in “submodule--helper credential.* pass into submodule”
  1. 0/7 submodule--helper credential.* pass into submoduleJacob Keller, Feb 29, 2016
  2. 1/7 t/lib-httpd: load mod_unixdJacob Keller, Feb 29, 2016
  3. 2/7 submodule: don't pass empty string arguments to submodule--helper cloneJacob Keller, Feb 29, 2016
  4. Stefan BellerFeb 29, 2016
  5. 3/7 submodule: check argc count for git submodule--helper cloneJacob Keller, Feb 29, 2016
  6. Stefan BellerFeb 29, 2016
  7. 4/7 submodule: fix submodule--helper clone usageJacob Keller, Feb 29, 2016
  8. Stefan BellerFeb 29, 2016
  9. 5/7 submodule: fix segmentation fault in submodule--helper cloneJacob Keller, Feb 29, 2016
  10. Stefan BellerFeb 29, 2016
  11. Jacob KellerFeb 29, 2016
  12. 6/7 quote: implement sq_quotef()Jacob Keller, Feb 29, 2016
  13. 7/7 git: submodule honor -c credential.* from command lineJacob Keller, Feb 29, 2016
  14. Stefan BellerFeb 29, 2016
  15. Jacob KellerFeb 29, 2016
  16. Jeff KingMar 1, 2016
  17. Junio C HamanoMar 1, 2016
  18. Jacob KellerMar 1, 2016
  19. Junio C HamanoMar 1, 2016
  20. Jacob KellerMar 1, 2016
  21. Jonathan NiederMar 22, 2016
  22. Jeff KingMar 22, 2016
  23. git_config_push_parameter: handle empty GIT_CONFIG_PARAMETERSJeff King, Mar 22, 2016
  24. Junio C HamanoMar 22, 2016
  25. Jonathan NiederMar 22, 2016
  26. Jacob KellerMar 23, 2016
  27. Junio C HamanoMar 23, 2016

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