threads / patch / 16662

patchrebase: improve error messages about dirty state

Subject: [PATCH] rebase: improve error messages about dirty state

## tl;dr

One message between Dec 10, 2008 and Dec 10, 2008. Diffs are folded; open one to read it.

replies: 0people: 1as markdown or json

Jeff King· Dec 10, 2008, 09:25 UTC · lore

If you have unstaged changes in your working tree and try to rebase, you will get the cryptic "foo: needs update" message, but nothing else. If you have staged changes, you get "your index is not up-to-date".

Let's improve this situation in two ways:
 - for unstaged changes, let's also tell them we are
   canceling the rebase, and why (in addition to the "needs
   update" lines)
 - for the staged changes case, let's use language that is a
   little more clear to the user: their index contains
   uncommitted changes
Signed-off-by: Jeff King <peff@peff.net>
---
I am cleaning up some old branches, and I think this is worth applying.
It came out of a "rebase's error message is confusing" thread back in
April:
  http://thread.gmane.org/gmane.comp.version-control.git/78698

It would be nice also to say "foo: locally modified" instead of "foo: needs update" but the REFRESH_SAY_CHANGED functionality isn't exposed via the command line.

 git-rebase.sh |    9 ++++++---
 1 files changed, 6 insertions(+), 3 deletions(-)
Show changes to git-rebase.sh +6 −3
diff --git a/git-rebase.sh b/git-rebase.sh
index ea7720d..ebd4df3 100755
--- a/git-rebase.sh
+++ b/git-rebase.sh
@@ -332,11 +332,14 @@ else
 fi
 
 # The tree must be really really clean.
-git update-index --ignore-submodules --refresh || exit
+if ! git update-index --ignore-submodules --refresh; then
+	echo >&2 "cannot rebase: you have unstaged changes"
+	exit 1
+fi
 diff=$(git diff-index --cached --name-status -r --ignore-submodules HEAD --)
 case "$diff" in
-?*)	echo "cannot rebase: your index is not up-to-date"
-	echo "$diff"
+?*)	echo >&2 "cannot rebase: your index contains uncommitted changes"
+	echo >&2 "$diff"
 	exit 1
 	;;
 esac
-- 
1.6.1.rc2.15.g7752a

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