mirror of
https://github.com/ivuorinen/dotfiles.git
synced 2026-01-26 11:14:08 +00:00
bb3f4a8f6c
- yamllint - shfmt config - fix Go bin path - fix git credentials config - add nvm default packages - updated Brewfile
46 lines
839 B
Bash
Executable File
46 lines
839 B
Bash
Executable File
#!/bin/sh
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#
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# Wait until a given host is online (determined by ping) then execute the
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# given command
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#
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# Usage:
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# ./when-up HOST COMMAND...
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#
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# Example
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# ./when-up 1.2.3.4 ssh 1.2.3.4
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#
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# Special case:
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# when using when-up to ssh to a host, this host does not need to be given twice
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# ./when-up ssh 1.2.3.4
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#
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#
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# Ensure we received the correct number of arguments.
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#
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if [ $# -lt 2 ]; then
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echo "Usage: $0 HOST COMMAND..."
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exit 1
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fi
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if [ "$1" = "ssh" ]; then
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HOST=$2
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else
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HOST=$1
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fi
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echo "Waiting for $HOST to come online..."
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ping -c 1 -W 1 "$HOST" > /dev/null
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while [ $? -ne 0 ]; do
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sleep 1
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ping -c 1 -W 1 "$HOST" > /dev/null
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done
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# By the time we reach here the ping-command has completed successfully
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# so we can launch the command we were given - along with any arguments.
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if [ "$1" != "ssh" ]; then
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shift
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fi
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"$@"
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