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dotnet-install.sh fail with a `Text file busy` error when dotnet process is running in background

See original GitHub issue

Steps to reproduce

run dotnet-install.sh on linux while a background dotnet process is running (for example background compiler)

Expected behavior

dotnet-install.sh should succeed

Actual behavior

dotnet-install.sh will fail during the cp -R phase with a Text file busy error:

dotnet-install.sh -c master -i ~/dotnet/
dotnet-install: Downloading link: https://dotnetcli.azureedge.net/dotnet/Sdk/3.0.100-preview7-012601/dotnet-sdk-3.0.100-preview7-012601-linux-x64.tar.gz
dotnet-install: Extracting zip from https://dotnetcli.azureedge.net/dotnet/Sdk/3.0.100-preview7-012601/dotnet-sdk-3.0.100-preview7-012601-linux-x64.tar.gz
cp: cannot create regular file '/home/dmg/dotnet/dotnet': Text file busy

This is pretty common in Unix, and normally, to avoid this, most installers (such as dpkg, for example) will first remove the file (delete it) only then copy a new file instead of it.

I will submit a PR for this, I just wanted to report this separately and close via PR

Environment data

dotnet --info output:

.NET Core SDK (reflecting any global.json): Version:   3.0.100-preview7-012601
 Commit:    6fedcd8ebd
Runtime Environment:
 OS Name:     ubuntu
 OS Version:  19.04 OS Platform: Linux
 RID:         ubuntu.19.04-x64
 Base Path:   /home/dmg/dotnet/sdk/3.0.100-preview7-012601/
Host (useful for support):
  Version: 3.0.0-preview7-27824-03  Commit:  e1d780539e

.NET Core SDKs installed:  2.1.700 [/home/dmg/dotnet/sdk]
  3.0.100-preview6-012264 [/home/dmg/dotnet/sdk]
  3.0.100-preview7-012601 [/home/dmg/dotnet/sdk]
.NET Core runtimes installed:
  Microsoft.AspNetCore.All 2.1.10 [/home/dmg/dotnet/shared/Microsoft.AspNetCore.All]  Microsoft.AspNetCore.All 2.1.11 [/home/dmg/dotnet/shared/Microsoft.AspNetCore.All]
  Microsoft.AspNetCore.App 2.1.10 [/home/dmg/dotnet/shared/Microsoft.AspNetCore.App]
  Microsoft.AspNetCore.App 2.1.11 [/home/dmg/dotnet/shared/Microsoft.AspNetCore.App]  Microsoft.AspNetCore.App 3.0.0-preview6.19307.2 [/home/dmg/dotnet/shared/Microsoft.AspNetCore.App]
  Microsoft.AspNetCore.App 3.0.0-preview7.19324.10 [/home/dmg/dotnet/shared/Microsoft.AspNetCore.App]
  Microsoft.NETCore.App 2.1.10 [/home/dmg/dotnet/shared/Microsoft.NETCore.App]  Microsoft.NETCore.App 2.1.11 [/home/dmg/dotnet/shared/Microsoft.NETCore.App]
  Microsoft.NETCore.App 3.0.0-preview6-27804-01 [/home/dmg/dotnet/shared/Microsoft.NETCore.App]
  Microsoft.NETCore.App 3.0.0-preview7-27824-03 [/home/dmg/dotnet/shared/Microsoft.NETCore.App]
To install additional .NET Core runtimes or SDKs:

Issue Analytics

State:
Created 4 years ago
Comments:13 (13 by maintainers)

Top GitHub Comments

1reaction

damageboycommented, Jun 25, 2019

I think the issue is with: https://github.com/dotnet/cli/blob/7a96d9cb1a40d80b9ec99181fdd0fbb9458a94b9/scripts/obtain/dotnet-install.sh#L615

When I run the script with bash -x it’s clear it’s performing something like:

cp -R /tmp/dotnet.cBaYo4N8w/dotnet /home/dmg/dotnet/dotnet

This will fail if there is a dotnet process running…

The proper way to handle this would be to change the command like from cp -R ... to cp -R --remove-destination

Would you be interested in a PR for this?

0reactions

TravisEz13commented, Jul 23, 2019

@damageboy yeah, I submitted dotnet/cli#11974 to fix this

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