[erlang-questions] Problems with unpacking package

[Eric Pailleau]

Hi, 

Looks like error is raised by grep. + is a special character for grep. Can you look at those grep line? 

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---- Yevhenii Kurtov a écrit ----

>Hi everyone,
>
>I'm having problem with unpacking release_handler:unpack_release .
>Looking at
>https://github.com/erlang/otp/blob/maint-21/lib/sasl/src/release_handler.erl#L850-L854
>I understand that it's supposed to copy and  `releases/app_name.rel` into
>`releases/<vsn>/app_name.rel` and then delete the origin file.
>
>Somehow it doesn't work in my case:
>
>- releases/<vsn>/app_name.rel is already present in an archive
>- releases/<vsn>/app_name.rel is not there after upgrade
>- releases/app_name.rel still there
>
>Illustration:
>
>$ mkdir /srv/apps/flowmail_web/releases/1.4.6+5aead53/
>$ mv flowmail_web_1.4.6+5aead53.upgrade.tar.gz
>/srv/apps/flowmail_web/releases/1.4.6+5aead53/flowmail_web.tar.gz
>$ ./bin/flowmail_web upgrade 1.4.6+5aead53
>Release flowmail_web:1.4.6+5aead53 not found, attempting to unpack
>releases/1.4.6+5aead53/flowmail_web.tar.gz
>Unpacked '1.4.6+5aead53' successfully!
>Release flowmail_web:1.4.6+5aead53 is already unpacked, installing..
>Installed release flowmail_web:1.4.6+5aead53
>Updating config..
>Made release flowmail_web:1.4.6+5aead53 permanent
>$ ./bin/flowmail_web ping
>grep: /srv/apps/flowmail_web/releases/1.4.6+5aead53/flowmail_web.rel: No
>such file or directory
>grep: /srv/apps/flowmail_web/releases/1.4.6+5aead53/flowmail_web.rel: No
>such file or directory
>pong
>
>## but it's present in an archive
>
>$ tar -C /tmp/5aead53/ -zxvf
>releases/1.4.6+5aead53/flowmail_web_1.4.6+5aead53.tar.gz
>$ [ -f /tmp/5aead53/releases/1.4.6+5aead53/flowmail_web.rel ] && echo "File
>exist" || echo "File does not exist"
>File exist
>$ [ -f releases/flowmail_web.rel ] && echo "File exist" || echo "File does
>not exist"
>File exist
>
>
>There are no any special file permissions or anything like that
>
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