[PATCH 02/10] submodule update: add `--init-active` switch

From

BWBrandon Williams <bmwill@google.com>

Date

Feb 23, 2017, 23:47 UTC

Message-ID

<20170223234728.164111-3-bmwill@google.com>

In-Reply-To

<20170223234728.164111-1-bmwill@google.com>

    git submodule update --init --init-active <paths>

Based on a patch by Stefan Beller <sbeller@google.com>

Signed-off-by: Brandon Williams <bmwill@google.com>
---
 Documentation/git-submodule.txt | 11 ++++++++++-
 git-submodule.sh                | 21 ++++++++++++++++++---
 t/t7400-submodule-basic.sh      | 39 +++++++++++++++++++++++++++++++++++++++
 3 files changed, 67 insertions(+), 4 deletions(-)

diff --git a/Documentation/git-submodule.txt b/Documentation/git-submodule.txt
index 918bd1d1b..626b9760a 100644
--- a/Documentation/git-submodule.txt
+++ b/Documentation/git-submodule.txt
@@ -14,7 +14,7 @@ SYNOPSIS
 'git submodule' [--quiet] status [--cached] [--recursive] [--] [<path>...]
 'git submodule' [--quiet] init [--] [<path>...]
 'git submodule' [--quiet] deinit [-f|--force] (--all|[--] <path>...)
-'git submodule' [--quiet] update [--init] [--remote] [-N|--no-fetch]
+'git submodule' [--quiet] update [--init[-active]] [--remote] [-N|--no-fetch]
 	      [--[no-]recommend-shallow] [-f|--force] [--rebase|--merge]
 	      [--reference <repository>] [--depth <depth>] [--recursive]
 	      [--jobs <n>] [--] [<path>...]
@@ -195,6 +195,10 @@ If the submodule is not yet initialized, and you just want to use the
 setting as stored in .gitmodules, you can automatically initialize the
 submodule with the `--init` option.
 
+You can configure a set of submodules using pathspec syntax in
+submodule.active you can use `--init-active` to initialize
+those before updating.
+
 If `--recursive` is specified, this command will recurse into the
 registered submodules, and update any nested submodules within.
 --
@@ -378,6 +382,11 @@ the submodule itself.
 	Initialize all submodules for which "git submodule init" has not been
 	called so far before updating.
 
+--init-active::
+	This option is only valid for the update command.
+	Initialize all submodules configured in "`submodule.active`"
+	that have not been updated before.
+
 --name::
 	This option is only valid for the add command. It sets the submodule's
 	name to the given string instead of defaulting to its path. The name
diff --git a/git-submodule.sh b/git-submodule.sh
index 554bd1c49..e5b9a8920 100755
--- a/git-submodule.sh
+++ b/git-submodule.sh
@@ -9,7 +9,7 @@ USAGE="[--quiet] add [-b <branch>] [-f|--force] [--name <name>] [--reference <re
    or: $dashless [--quiet] status [--cached] [--recursive] [--] [<path>...]
    or: $dashless [--quiet] init [--] [<path>...]
    or: $dashless [--quiet] deinit [-f|--force] (--all| [--] <path>...)
-   or: $dashless [--quiet] update [--init] [--remote] [-N|--no-fetch] [-f|--force] [--checkout|--merge|--rebase] [--[no-]recommend-shallow] [--reference <repository>] [--recursive] [--] [<path>...]
+   or: $dashless [--quiet] update [--init[-active]] [--remote] [-N|--no-fetch] [-f|--force] [--checkout|--merge|--rebase] [--[no-]recommend-shallow] [--reference <repository>] [--recursive] [--] [<path>...]
    or: $dashless [--quiet] summary [--cached|--files] [--summary-limit <n>] [commit] [--] [<path>...]
    or: $dashless [--quiet] foreach [--recursive] <command>
    or: $dashless [--quiet] sync [--recursive] [--] [<path>...]"
@@ -499,7 +499,12 @@ cmd_update()
 			progress="--progress"
 			;;
 		-i|--init)
-			init=1
+			test -z $init || test $init = by_args || die "$(gettext "Only one of --init or --init-active may be used.")"
+			init=by_args
+			;;
+		--init-active)
+			test -z $init || test $init = by_config || die "$(gettext "Only one of --init or --init-active may be used.")"
+			init=by_config
 			;;
 		--remote)
 			remote=1
@@ -568,7 +573,17 @@ cmd_update()
 
 	if test -n "$init"
 	then
-		cmd_init "--" "$@" || return
+		if test "$init" = "by_config"
+		then
+			if test $# -gt 0
+			then
+				die "$(gettext "path arguments are incompatible with --init-active")"
+			fi
+			cmd_init "--" $(git config --get-all submodule.active) || return
+		else
+			cmd_init "--" "$@" || return
+		fi
+
 	fi
 
 	{
diff --git a/t/t7400-submodule-basic.sh b/t/t7400-submodule-basic.sh
index b77cce8e4..f5df0a5b4 100755
--- a/t/t7400-submodule-basic.sh
+++ b/t/t7400-submodule-basic.sh
@@ -1116,5 +1116,44 @@ test_expect_success 'submodule helper list is not confused by common prefixes' '
 	test_cmp expect actual
 '
 
+test_expect_success 'setup superproject with submodules' '
+	git init sub1 &&
+	test_commit -C sub1 test &&
+	test_commit -C sub1 test2 &&
+	git init multisuper &&
+	git -C multisuper submodule add ../sub1 sub0 &&
+	git -C multisuper submodule add ../sub1 sub1 &&
+	git -C multisuper submodule add ../sub1 sub2 &&
+	git -C multisuper submodule add ../sub1 sub3 &&
+	git -C multisuper commit -m "add some submodules"
+'
+
+cat >expect <<-EOF
+-sub0
+ sub1 (test2)
+ sub2 (test2)
+ sub3 (test2)
+EOF
+
+test_expect_success 'submodule update --init with a specification' '
+	test_when_finished "rm -rf multisuper_clone" &&
+	pwd=$(pwd) &&
+	git clone file://"$pwd"/multisuper multisuper_clone &&
+	git -C multisuper_clone submodule update --init . ":(exclude)sub0" &&
+	git -C multisuper_clone submodule status |cut -c 1,43- >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'submodule update --init-active' '
+	test_when_finished "rm -rf multisuper_clone" &&
+	pwd=$(pwd) &&
+	git clone file://"$pwd"/multisuper multisuper_clone &&
+	git -C multisuper_clone config submodule.active "." &&
+	git -C multisuper_clone config --add submodule.active ":(exclude)sub0" &&
+	git -C multisuper_clone submodule update --init-active &&
+	git -C multisuper_clone submodule status |cut -c 1,43- >actual &&
+	test_must_fail git -C multisuper_clone submodule update --init-active sub0 &&
+	test_cmp expect actual
+'
 
 test_done

-- 
2.11.0.483.g087da7b7c-goog