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[apt] Dynamic completions for source repo

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Dynamically complete the possible candidates for `apt install -t <repo>`
by "parsing" the installed configuration files.

[ci skip]
This commit is contained in:
Mahmoud Al-Qudsi 2020-12-05 10:43:51 -06:00
parent d9b7cdc43b
commit a614a19b07
1 changed files with 9 additions and 1 deletions
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10
share/completions/apt.fish
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@ -17,6 +17,14 @@ function __fish_apt_option
complete -f -c apt -n "__fish_seen_subcommand_from $subcommand" $argv
end
function __fish_apt_list_repos
# A single `string` invocation can't read from multiple files and so we use `cat`
# but /etc/apt/sources.list.d/ may or may not contain any files so using a fish
# wildcard glob may complain loudly if no files match the pattern so we use `find`.
# The trailing `sort -u` is largely decorative.
cat (find /etc/apt/sources.list /etc/apt/sources.list.d/ -name "*.list") | string replace -rf '^\s*deb *(?:\[.*?\])? (?:[^ ]+) +([^ ]+) .*' '$1' | sort -u
end
complete -c apt -f
complete -k -c apt -n "__fish_seen_subcommand_from $pkg_subcmds" -a '(__fish_print_packages | head -n 250 | sort)'
@ -34,7 +42,7 @@ complete -f -c apt -s v -l version -d 'Display version and exit'
# General options
complete -x -c apt -s o -l option -d 'Set a configuration option'
complete -r -c apt -s c -l config-file -d 'Configuration file'
complete -x -c apt -s t -d 'Target release'
complete -x -c apt -s t -d 'Install from specific repository' -x -a '(__fish_apt_list_repos)'
# List
__fish_apt_subcommand list -d 'List packages'