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# Helper function for contextual autocompletion of GPG crypto algorithm options
function __fish_print_gpg_algo -d "Complete using all algorithms of the type specified in argv[2] supported by gpg. argv[2] is a regexp" -a __fish_complete_gpg_command
# Set a known locale, so that the output format of 'gpg --version'
# is at least somewhat predictable. The locale will automatically
# expire when the function goes out of scope, and the original locale
# will take effect again.
set -lx LC_ALL C
# sed script explained:
# in the line that matches "$argv:"
# define label 'loop'
# if the line ends with a ','
# add next line to buffer
# transliterate '\n' with ' '
# goto loop
# remove everything until the first ':' of the line
# remove all blanks
# transliterate ',' with '\n' (OSX apparently doesn't like '\n' on RHS of the s-command)
# print result
$__fish_complete_gpg_command --version | sed -ne "/$argv[2]:/"'{:loop
/,$/{N; y!\n! !
b loop
}
s!^[^:]*:!!
s![ ]*!!g
y!,!\n!
p
}'
end
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