#!/usr/bin/expect -f
#
# Helper script to respond to passphrase prompts from the gpg command.
#

set timeout 600
set command [join $argv]
set passphrase $env(PASSPHRASE)
puts "# $command"
spawn -noecho {*}$command
expect {
    -exact -nocase "enter passphrase: " {
        send -- "$passphrase\r"
        exp_continue
    }
    eof { }
}

lassign [wait] pid spawnid os_error_flag retval

if {$os_error_flag == 0} {
    puts "exit status: $retval"
} else {
    puts "errno: $retval"
}
exit $retval