Taking inremental snapshot from different source directories

[Yakul Garg]

I want to take incremental snapshot using the same level file

Below is a basic script to show what i want to do.

#!/bin/bash

rm archive.tar.gz archive1.tar.gz snapshot.file
rm -rf /tmp/app-streaming-microservices

echo "Taking first snapshot"

# this will take archive of app-streaming-microservices
tar -z --create --file archive.tar.gz \
--listed-incremental=/home/yakul/snapshot.file --same-owner --no-check-device \
--exclude node_modules \
-C app-streaming-microservices .

echo "Extracting file"
mkdir /tmp/app-streaming-microservices
tar -z --extract --file archive.tar.gz -C /tmp/app-streaming-microservices --same-owner --no-check-device --preserve-permissions

echo "Creating file in new source folder"
echo "hello" > /tmp/app-streaming-microservices/testfile

echo "Taking second snapshot"
tar -z --create --file archive1.tar.gz \
--listed-incremental=/home/yakul/snapshot.file --same-owner --preserve-permissions --no-check-device \
--exclude node_modules \
-C /tmp/app-streaming-microservices .


echo "First archive size"
du -h archive.tar.gz
echo "Second archive size"
du -h archive1.tar.gz

intended bahaviour would be that archive1.tar.gz should container only 'testfile'. But it is taking the archive of all the contents.

Any pointers would be helpful. Thanks.

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Regards,
Yakul Garg
Contact: +91-816-725-2222
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