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[PATCH v3 2/4] submodule: support superproject origin URLs of the form ./foo/bar or ../foo/bar

From
Jon Seymour <jon.seymour@gmail.com>
Date
May 21, 2012, 13:31 UTC
Message-ID
<1337607102-14737-2-git-send-email-jon.seymour@gmail.com>
In-Reply-To
<1337607102-14737-1-git-send-email-jon.seymour@gmail.com>

When the origin URL of the superproject is itself relative, an operation such as git submodule add, init or sync produces a relative URL for the submodule that doesn't point at the correct location.

The issue arises in these cases because the origin URL of the superproject needs to be prepended with a prefix that navigates from the submodule to the superproject so that when the submodule URL is concatenated the resulting URL is relative to the working tree of the submodule.

This change ensures that this is done for add, sync and init.
Signed-off-by: Jon Seymour <jon.seymour@gmail.com>
---
 git-submodule.sh           | 35 ++++++++++++++++++++---------------
 t/t7400-submodule-basic.sh |  4 ++--
 t/t7403-submodule-sync.sh  |  2 +-
 3 files changed, 23 insertions(+), 18 deletions(-)
diff --git a/git-submodule.sh b/git-submodule.sh
index 64a70d6..230c219 100755
--- a/git-submodule.sh
+++ b/git-submodule.sh
@@ -45,6 +45,10 @@ resolve_relative_url ()
 		../*)
 			url="${url#../}"
 			case "$remoteurl" in
+			.*/*)
+				up_path="$(echo "$2" | sed "s/[^/]*/../g")"
+				remoteurl="${up_path%/}/${remoteurl%/*}"
+				;;
 			*/*)
 				remoteurl="${remoteurl%/*}"
 				;;
@@ -235,11 +239,24 @@ cmd_add()
 		usage
 	fi
 
+	# normalize path:
+	# multiple //; leading ./; /./; /../; trailing /
+	sm_path=$(printf '%s/\n' "$sm_path" |
+		sed -e '
+			s|//*|/|g
+			s|^\(\./\)*||
+			s|/\./|/|g
+			:start
+			s|\([^/]*\)/\.\./||
+			tstart
+			s|/*$||
+		')
+
 	# assure repo is absolute or relative to parent
 	case "$repo" in
 	./*|../*)
 		# dereference source url relative to parent's url
-		realrepo=$(resolve_relative_url "$repo") || exit
+		realrepo=$(resolve_relative_url "$repo" "$sm_path") || exit
 		;;
 	*:*|/*)
 		# absolute url
@@ -250,18 +267,6 @@ cmd_add()
 	;;
 	esac
 
-	# normalize path:
-	# multiple //; leading ./; /./; /../; trailing /
-	sm_path=$(printf '%s/\n' "$sm_path" |
-		sed -e '
-			s|//*|/|g
-			s|^\(\./\)*||
-			s|/\./|/|g
-			:start
-			s|\([^/]*\)/\.\./||
-			tstart
-			s|/*$||
-		')
 	git ls-files --error-unmatch "$sm_path" > /dev/null 2>&1 &&
 	die "$(eval_gettext "'\$sm_path' already exists in the index")"
 
@@ -407,7 +412,7 @@ cmd_init()
 			# Possibly a url relative to parent
 			case "$url" in
 			./*|../*)
-				url=$(resolve_relative_url "$url") || exit
+				url=$(resolve_relative_url "$url" "$sm_path") || exit
 				;;
 			esac
 			git config submodule."$name".url "$url" ||
@@ -964,7 +969,7 @@ cmd_sync()
 		# Possibly a url relative to parent
 		case "$url" in
 		./*|../*)
-			url=$(resolve_relative_url "$url") || exit
+			url=$(resolve_relative_url "$url" "$sm_path") || exit
 			;;
 		esac
 
diff --git a/t/t7400-submodule-basic.sh b/t/t7400-submodule-basic.sh
index 02e6428..b838f43 100755
--- a/t/t7400-submodule-basic.sh
+++ b/t/t7400-submodule-basic.sh
@@ -507,7 +507,7 @@ test_expect_success 'relative path works with user@host:path' '
 	)
 '
 
-test_expect_failure 'relative path works with ../relative/repo' '
+test_expect_success 'relative path works with ../relative/repo' '
 	(
 		cd reltest &&
 		cp pristine-.git-config .git/config &&
@@ -517,7 +517,7 @@ test_expect_failure 'relative path works with ../relative/repo' '
 	)
 '
 
-test_expect_failure 'test that submodule add creates the correct url when super origin url is ../relative/repo' '
+test_expect_sucess 'test that submodule add creates the correct url when super origin url is ../relative/repo' '
 	mkdir reladd &&
 	(
 		cd reladd &&
diff --git a/t/t7403-submodule-sync.sh b/t/t7403-submodule-sync.sh
index 788bc24..35700ef 100755
--- a/t/t7403-submodule-sync.sh
+++ b/t/t7403-submodule-sync.sh
@@ -86,7 +86,7 @@ test_expect_success '"git submodule sync" should not vivify uninteresting submod
 	)
 '
 
-test_expect_failure '"git submodule sync" should handle a super with a relative origin URL' '
+test_expect_success '"git submodule sync" should handle a super with a relative origin URL' '
 	git clone super relative-clone &&
 	(cd relative-clone &&
 	 git submodule update --init &&
-- 
1.7.10.2.594.g5c52315
Previous: Jon SeymourNext: Jon Seymour
Message 2 of 6 in “submodule: verify support for superproject origin URLs of the form ./foo/bar or ../foo/bar”
  1. 1/4 submodule: verify support for superproject origin URLs of the form ./foo/bar or ../foo/barJon Seymour, May 21, 2012
  2. 2/4 submodule: support superproject origin URLs of the form ./foo/bar or ../foo/barJon Seymour, May 21, 2012
  3. Jon SeymourMay 21, 2012
  4. Jon SeymourMay 21, 2012
  5. 3/4 submodule: verify support for superproject URLs of the form foo/bar.Jon Seymour, May 21, 2012
  6. 4/4 submodule: support superproject origin URLs of the form foo/barJon Seymour, May 21, 2012

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