kepocnhh

#!/usr/local/bin/bash

echo 'Enter service name (default is common):'
read SERVICE_NAME || exit 1

if test -z "$SERVICE_NAME"; then
 SERVICE_NAME='common'; fi

echo 'Enter account name:'
read ACCOUNT_NAME || exit 1

kepocnhh

KEYCHAIN='keychain_baz'

# https://www.unix.com/man-page/osx/1/security/

security delete-keychain "$KEYCHAIN"
security create-keychain -P "$KEYCHAIN"
if test $? -ne 0; then
 echo 'Create keychain error!'; exit 1; fi

SERVICE_NAME='service_foo'

kepocnhh

SERVICE_NAME='service_foo'
ACCOUNT_NAME='account_bar'
PASSWORD_VALUE='password_bar'

security delete-generic-password -s "$SERVICE_NAME" -a "$ACCOUNT_NAME" &> /dev/null

# Add a generic password item to the default keychain.

security add-generic-password -s "$SERVICE_NAME" -a "$ACCOUNT_NAME" -w "$PASSWORD_VALUE" -T ''
if test $? -ne 0; then

kepocnhh

SERVICE_NAME='service_foo'
ACCOUNT_NAME='account_bar'
PASSWORD_VALUE='password_bar'

security delete-generic-password -s "$SERVICE_NAME" -a "$ACCOUNT_NAME" &> /dev/null

# Add a generic password item to the default keychain without warning.

security add-generic-password -s "$SERVICE_NAME" -a "$ACCOUNT_NAME" -w "$PASSWORD_VALUE"
if test $? -ne 0; then

kepocnhh

sealed interface ExtraType<T : Any>
object Str : ExtraType<String>
object Int32 : ExtraType<Int>
object Int64 : ExtraType<Long>

private fun <T : Any> Bundle.getOrNull(type: ExtraType<T>, key: String): T? {
    if (!containsKey(key)) return null
    return when (type) {
        Str -> getString(key, null) as T?
        Int64 -> getLong(key, -1) as T

kepocnhh

#!/usr/local/bin/bash

if test $# -ne 2; then
 echo "Script needs 2 arguments: ENCRYPTED, KEY. But actual is $#!"; exit 1; fi

ENCRYPTED="$1"
KEY="$2"

for it in ENCRYPTED KEY; do
 if test -z "${!it}"; then echo "Argument \"$it\" is empty!"; exit 1; fi; done

kepocnhh

#!/usr/local/bin/bash

if test $# -ne 2; then
 echo "Script needs 2 arguments: ENCRYPTED, KEY. But actual is $#!"; exit 1; fi

ENCRYPTED="$1"
KEY="$2"

for it in ENCRYPTED KEY; do
 if test -z "${!it}"; then echo "Argument \"$it\" is empty!"; exit 1; fi; done

kepocnhh

#!/usr/local/bin/bash

if test $# -ne 4; then
 echo "Script needs 4 arguments: ISSUER, KEYSTORE, KEYSTORE_PASSWORD KEY_ALIAS. But actual is $#!"; exit 1; fi

KEYSTORE_TYPE='pkcs12'
ISSUER="$1"
KEYSTORE="$2"
KEYSTORE_PASSWORD="$3"
KEY_ALIAS="$4"

kepocnhh

#!/bin/bash

VARIANT='snapshot'

gradle clean && \
 gradle "lib:assemble${VARIANT}MavenMetadata" && \
 gradle "lib:assemble${VARIANT}Jar" && \
 gradle "lib:assemble${VARIANT}Pom"

if test $? -ne 0; then

kepocnhh

// https://en.wikipedia.org/wiki/Geometric_series

/**
 * @param a is coefficient
 * @param r is the common ratio
 * @return sum of a*r.pow(n) + a*r.pow(n - 1) + ... + a*r.pow(m - 1) + a*r.pow(m)
 */
fun getSumOfGeometricSeries(
    a: Int = 1,
    r: Double = 10.0,