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[Bug-tar] tar update with change directory option fails
From: |
Ivan Kalvachev |
Subject: |
[Bug-tar] tar update with change directory option fails |
Date: |
Mon, 22 Aug 2016 18:11:43 +0300 |
Some time ago I tried to setup a script that uses tar to do
incremental archives of my home directory. I wanted to archive
/home/user/ without having the "home/user/" inside the archive,
so I tried the "-C" option.
At that time, update just added all files to the archive, again and again.
I workaround the issue and forgot about it.
Recently I was reminded of this bug, so I decided to retest and report it.
Now, tar 1.29 just errors with "Cannot stat: No such file or directory"
Here is a script to reproduce the issue.
---
#/bin/bash
TESTDIR="/tmp/tarCu"
#TESTDIR="./tmp/tarCu"
mkdir -p $TESTDIR/a
dd if=/dev/zero of=$TESTDIR/a/test.file bs=1K count=1
echo
echo "Create tar archive"
tar -vcf test.tar -C $TESTDIR/ a/
echo
echo "Update tar archive"
tar -vuf test.tar -C $TESTDIR/ a/
---
It doesn't matter if "/tmp" or "./tmp" is used,
the result is the same.
Best Regards
Ivan Kalvachev
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