linux-kernel - Re: linux fatal: cannot describe <sha1>

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Message-ID: <20080701221808.GA26272@Chamillionaire.breakpoint.cc>
Date:	Wed, 2 Jul 2008 00:18:08 +0200
From:	Sebastian Siewior <lkml@...breakpoint.cc>
To:	Sam Ravnborg <sam@...nborg.org>
Cc:	Jan Engelhardt <jengelh@...ozas.de>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: linux fatal: cannot describe <sha1>

* Sam Ravnborg | 2008-07-01 22:09:51 [+0200]:

>> Just a note that when you run git-describe, you should probably quiten it.
>> 
>> fatal: cannot describe 'bd7364a0fd5a4a2878fe4a224be1b142a4e6698e'
>> 
>> This happens when tags are not present, which can happen if Linus's tree 
>> is sent upwards again, IOW:
>> 
>>  machine1$  git-clone torvalds/linux-2.6.git
>>  machine1$  git push elsewhere master
>> 
>>  machine2$  git-clone elsewhere:/linux
>>  machine2$  git-describe HEAD
>>  fatal: cannot describe that
>
>Hi Jan.
>
>Any specific reason why you sent it to me?
>Maybe because I do not use git describe at all?
Maybe he was thinking about this (and didn't know that you were moving):

---
scripts: don't desribe if there is nothing to describe

Signed-off-by: Sebastian Siewior <sebastian@...akpoint.cc>
---
 scripts/setlocalversion |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/scripts/setlocalversion b/scripts/setlocalversion
index 1c1bdaf..83b7512 100755
--- a/scripts/setlocalversion
+++ b/scripts/setlocalversion
@@ -12,7 +12,9 @@ cd "${1:-.}" || usage
 if head=`git rev-parse --verify HEAD 2>/dev/null`; then
 	# Do we have an untagged version?
 	if git name-rev --tags HEAD | grep -E '^HEAD[[:space:]]+(.*~[0-9]*|undefined)$' > /dev/null; then
-	        git describe | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}'
+		if tag=`git describe 2>/dev/null`; then
+			echo $tag | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}'
+		fi
 	fi
 
 	# Are there uncommitted changes?
-- 
1.5.5.4

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