mirror of
https://github.com/TheLocehiliosan/yadm
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27 lines
1021 B
Plaintext
27 lines
1021 B
Plaintext
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#!/bin/bash
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# yadm exposes all parameters of the command which triggers a hook. Those
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# parameters are exported as the environment variable YADM_HOOK_FULL_COMMAND.
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# Any spaces, tabs, or backslashes in those parameters are escaped with a
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# backslash. The function `parse_full_command()` is a demonstration of parsing
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# those values which may be escaped.
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function parse_full_command() {
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local delim=$'\x1e' # ASCII Record Separator
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local space=$'\x1f' # ASCII Unit Separator
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local tab=$'\t' # ASCII TAB
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local cmd
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cmd="$YADM_HOOK_FULL_COMMAND"
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cmd="${cmd//\\ /$space}" # swap escaped spaces for `1f`
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cmd="${cmd//\\\\/\\}" # fix escaped backslashes
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cmd="${cmd//\\$tab/$tab}" # fix escaped tabs
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cmd="${cmd// /$delim}" # convert space delimiters to `1c`
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cmd="${cmd//$space/ }" # convert `1f` back to spaces
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# parse data into an array
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IFS=$delim read -r -a full_cmd <<< "$cmd"
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}
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parse_full_command
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for param in "${full_cmd[@]}"; do
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echo "Parameter: '$param'"
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done
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