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-rw-r--r--Documentation/RelNotes-1.7.0.txt12
-rw-r--r--Documentation/user-manual.txt20
2 files changed, 27 insertions, 5 deletions
diff --git a/Documentation/RelNotes-1.7.0.txt b/Documentation/RelNotes-1.7.0.txt
index 6510d42..323ae54 100644
--- a/Documentation/RelNotes-1.7.0.txt
+++ b/Documentation/RelNotes-1.7.0.txt
@@ -200,11 +200,13 @@ release, unless otherwise noted.
from non-root dir, 2010-01-26) may be merged to older maintenance
branches.
- * When "git diff" is asked to compare the work tree with something,
- it used to consider that a checked-out submodule with uncommitted
- changes is not modified; this could cause people to forget committing
- these changes in the submodule before committing in the superproject.
- It now considers such a change as a modification.
+ * When using "git status" or asking "git diff" to compare the work tree
+ with something, they used to consider that a checked-out submodule with
+ uncommitted changes is not modified; this could cause people to forget
+ committing these changes in the submodule before committing in the
+ superproject. They now consider such a change as a modification and
+ "git diff" will append a "-dirty" to the work tree side when generating
+ patch output or when used with the --submodule option.
--
exec >/var/tmp/1
diff --git a/Documentation/user-manual.txt b/Documentation/user-manual.txt
index 517daca..fe6fb72 100644
--- a/Documentation/user-manual.txt
+++ b/Documentation/user-manual.txt
@@ -3640,6 +3640,26 @@ Did you forget to 'git add'?
Unable to checkout '261dfac35cb99d380eb966e102c1197139f7fa24' in submodule path 'a'
-------------------------------------------------
+In older git versions it could be easily forgotten to commit new or modified
+files in a submodule, which silently leads to similar problems as not pushing
+the submodule changes. Starting with git 1.7.0 both "git status" and "git diff"
+in the superproject show submodules as modified when they contain new or
+modified files to protect against accidentally committing such a state. "git
+diff" will also add a "-dirty" to the work tree side when generating patch
+output or used with the --submodule option:
+
+-------------------------------------------------
+$ git diff
+diff --git a/sub b/sub
+--- a/sub
++++ b/sub
+@@ -1 +1 @@
+-Subproject commit 3f356705649b5d566d97ff843cf193359229a453
++Subproject commit 3f356705649b5d566d97ff843cf193359229a453-dirty
+$ git diff --submodule
+Submodule sub 3f35670..3f35670-dirty:
+-------------------------------------------------
+
You also should not rewind branches in a submodule beyond commits that were
ever recorded in any superproject.