Lisanna Dettwyler lisanna-dettwyler

## help.md

      
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              Created
              September 6, 2021 22:45
                — forked from LisannaAtHome/help.md
            
              
                Lisanna's eclectic nix troubleshooting guide for suicidal power users
              
          
    Lisanna's eclectic nix troubleshooting guide for suicidal power users

tar fails with exit code 1

unpacking 'https://example.com/nixexprs.tar.xz'...
tar: Error opening archive: Failed to open '/nix/store/411sszfqfya5ad2wllmqcr15z5d30575-nixexprs.tar.xz'
error: program 'tar' failed with exit code 1

Discussion:

  
## io-timeout.sh
#!/usr/bin/env bash

# This is an alternative for the GNU coreutils timeout, which resets the timer
# when the program writes to stdout. This allows setting much smaller timeout
# values for programs that regularly print progress messages, which allows
# progress stalls to be detected more quickly, saving execution time in testing
# contexts.

set -e

## retry.sh
#! /usr/bin/env bash

# usage: retry ATTEMPTS COMMAND [...]
#
# This script provides a retry function capable of capturing and replaying data
# from stdin to the command being retried, so that each attempt receives the
# input.  The data from stdin is streamed to the command immediately, it is not
# pre-buffered, and thus will not lock up if the input from stdin never ends.
#
# If ATTEMPTS is 0, COMMAND is retried forever until it succeeds.
	#!/usr/bin/env bash

	# This is an alternative for the GNU coreutils timeout, which resets the timer
	# when the program writes to stdout. This allows setting much smaller timeout
	# values for programs that regularly print progress messages, which allows
	# progress stalls to be detected more quickly, saving execution time in testing
	# contexts.

	set -e
	#! /usr/bin/env bash

	# usage: retry ATTEMPTS COMMAND [...]
	#
	# This script provides a retry function capable of capturing and replaying data
	# from stdin to the command being retried, so that each attempt receives the
	# input. The data from stdin is streamed to the command immediately, it is not
	# pre-buffered, and thus will not lock up if the input from stdin never ends.
	#
	# If ATTEMPTS is 0, COMMAND is retried forever until it succeeds.