az storage blog sync sets content-type on .js files to text/plain

[vidarkongsli]

Bug description
When using az storage blob sync to synchronize files to an Azure storage blob container, .js files get content-type text/plain.

Expected behavior
Content type should be application/javascript.

Environment summary

• azure-cli 2.0.70
• command-modules-nspkg 2.0.3
• core 2.0.70 **
• nspkg 3.0.4
• telemetry 1.0.3
• Extension: azure-devops 0.12.0
• Running in Azure DevOps task 'Azure CLI' version 1.155.1

Additional context
Using Azure DevOps task 'AzCopy' instead yields the correct content type.

[vidarkongsli]

Actual command run by the Azure DevOps task: az storage blob sync --container $web --source D:\a\r1\a\_web\drop --account-name nottherealname

[Juliehzl]

@vidarkongsli Have you specify content-type when using AzCopy? If you just using azcopy sync “D:\a\r1\a\_web\drop” $destination_container_url , I think the .js file may still in text/plain. But I think we should support specifying content-type for such command.

[vidarkongsli]

The Azure File Copy DevOps Task runs the following, which works as far as content-type is concerned: & "AzCopy\AzCopy.exe" /Source:"d:\a\r1\a\_web\drop" /Dest:"https://nottherealname.blob.core.windows.net/``$web" /@:"d:\a\_temp\xpegyge5mi8mvvhfle67ds4i" /XO /Y /SetContentType /Z:"AzCopy" /V:"AzCopy\AzCopyVerbose_de1f860a-99a8-44d6-9a60-1877695d89d2.log" /S

So yes, the switch /SetContentType is used.

[yonzhan]

It is blocked by azcopy issue.

[Juliehzl]

@vidarkongsli we will add content-type flag for azure cli command later, but need some support from azcopy team.

[rerime]

Is any progress?

[Lectem]

I just encountered the issue too while using the AzureFileCopy task.
It seems like by default, windows does not have the content type set for .js (or some application removes it).

a workaround is to have the following script:

        - script: reg add HKCR\.js /v "Content Type" /d application/javascript /f
          displayName: Add .js content type to registry

[Juliehzl]

az storage blob sync depends on AzCopy and in latest AzCopy 10.3.4, setting content type is not supported. @zezha-msft Can you help plan for content type setting in AzCopy support?

[zezha-msft]

Hi @Juliehzl, we will target 10.5 for this fix. Thanks for the reminder!

[yonzhan]

@zezha-msft was this issue resolved?

[Juliehzl]

please try in next release.