nix/home/program/bash/module/Try.nix

26 lines
400 B
Nix

{ ... }: {
text = ''
# Retry command every 2 sec until it completes successfully.
# Usage: try <COMMAND>
function try() {
if [[ "''${*}" = "" ]]; then
help try
return 2
fi
local result=-1
while [ "$result" != 0 ]; do
''${*}
result=$?
if [ "$result" != 0 ]; then
sleep 2
fi
done
}
# autocomplete.
complete -F _autocomplete_nested try
'';
}