This way, error lines like this one:
    Waiting for emulator to start: unknown: error: no devices found
Become:
    Waiting for emulator to start: error: no devices found
		
	
			
		
			
				
	
	
		
			43 lines
		
	
	
		
			743 B
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			43 lines
		
	
	
		
			743 B
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
	
	
#!/bin/bash
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sec=0
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timeout=360
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err() {
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	echo "$@"
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	exit 1
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}
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explain() {
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	if [[ "$1" =~ "not found" ]]; then
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		printf "device not found"
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	elif [[ "$1" =~ "offline" ]]; then
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		printf "device offline"
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	elif [[ "$1" =~ "running" ]]; then
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		printf "booting"
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	else
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		printf "$1"
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	fi
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}
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while true; do
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	if [[ $sec -ge $timeout ]]; then
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		err "Timeout ($timeout seconds) reached - Failed to start emulator"
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	fi
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	out=$(adb -e shell getprop init.svc.bootanim 2>&1 | grep -v '^\*')
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	if [[ "$out" =~ "command not found" ]]; then
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		err "$out"
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	fi
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	if [[ "$out" =~ "stopped" ]]; then
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		break
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	fi
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	let "r = sec % 5"
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	if [[ $r -eq 0 ]]; then
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		echo "Waiting for emulator to start: $(explain "$out")"
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	fi
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	sleep 1
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	let "sec++"
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done
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echo "Emulator is ready"
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