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Tab completion support for additional archives for 'borg delete' #5655

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merged 2 commits into from
Jan 31, 2021
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Tab completion support for additional archives for 'borg delete' #5655

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12a7458
Tab completion support for additional archives for 'borg delete'
SanskritFritz Jan 26, 2021
457d4e4
Efficiency fixes thanks to @oxiedi
SanskritFritz Jan 30, 2021
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38 changes: 20 additions & 18 deletions scripts/shell_completions/bash/borg
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Original file line number Diff line number Diff line change
Expand Up @@ -140,34 +140,36 @@ _borg()
return 0
fi

# Get the repository name if available
# If there is a space before the "::" it means that no repository name was typed,
# so probably $BORG_REPO was set and we can still list the archives.
local repository_name="${COMP_LINE%%::*}"
repository_name=${repository_name##* }
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No need to call an external command and hide its return code in order to do some matching. Can be replaced with local repository_name="${COMP_LINE%%::*}". It would be better to match against the second positional argument, but I don't how to do it using bash-completion.

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Nice one, thanks for that!


# Listing archives.
# Since "::" is treated as separate word in bash,
# Since "::" is treated as separate word in Bash,
# it is $cur when the cursor is right behind it
# and $prev if the user has started to type an archive name.
local repository_name="" # If set, we'll list the archives
local typed_word=""
local typed_word=${cur}
local -i list_archives=0
if [[ ${cur} == "::" ]] ; then
repository_name=${prev}
list_archives=1
typed_word=""
fi
if [[ ${prev} == "::" ]] ; then
repository_name=${prevprev}
typed_word=${cur}
list_archives=1
fi
# Second archive listing for borg diff
if [[ ${COMP_LINE} =~ ^.*\ diff\ .*::[^\ ]+\ ${cur}$ ]] ; then
repository_name=`expr match "${COMP_LINE}" "\(.*\)::"`
repository_name=${repository_name##* }
typed_word=${cur}
list_archives=1
fi
# Additional archive listing for borg delete
if [[ ${COMP_LINE} =~ ^.*\ delete\ .*::[^\ ]+.*${cur}$ ]] ; then
list_archives=1
fi
if [[ ${repository_name} != "" ]] ; then
if [[ ${COMP_LINE} == *" ::"* ]] ; then
# There is a space before the "::"
# which means that no repository name was typed,
# so probably $BORG_REPO is set.
repository_name=""
fi
local archive_list=$(borg list --short "${repository_name}" 2>/dev/null)
COMPREPLY=( $(compgen -W "${archive_list}" -- "${typed_word}" ) )
if (( $list_archives )) ; then
local archives=$(borg list --short "${repository_name}" 2>/dev/null)
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COMPREPLY=( $(compgen -W "${archives}" -- "${typed_word}" ) )
return 0
fi

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15 changes: 10 additions & 5 deletions scripts/shell_completions/fish/borg.fish
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Expand Up @@ -359,7 +359,7 @@ function __fish_borg_list_repos_or_archives
if string match --quiet --regex '.*::' '"'(commandline --current-token)'"'
# If the current token contains "::" then list the archives:
set -l repository_name (string replace --regex '::.*' '' (commandline --current-token))
borg list --format="$repository_name::{archive}{NEWLINE}" "$repository_name" ^/dev/null
borg list --format="$repository_name::{archive}{TAB}{comment}{NEWLINE}" "$repository_name" ^/dev/null
else
# Otherwise list the repositories, directories and user@host entries:
set -l directories (commandline --cut-at-cursor --current-token)*/
Expand All @@ -377,15 +377,20 @@ end
complete -c borg -f -n "__fish_borg_is_argument_n 2" -a '(__fish_borg_list_repos_or_archives)'


# Second archive listing for borg diff
# Additional archive listings

function __fish_borg_is_diff_second_archive
return (string match --quiet --regex ' diff .*::[^ ]+ '(commandline --current-token)'$' (commandline))
end

function __fish_borg_list_diff_archives
function __fish_borg_is_delete_additional_archive
return (string match --quiet --regex ' delete .*::[^ ]+ ' (commandline))
end

function __fish_borg_list_only_archives
set -l repo_matches (string match --regex '([^ ]*)::' (commandline))
borg list --format="{archive}{NEWLINE}" "$repo_matches[2]" ^/dev/null
borg list --format="{archive}{TAB}{comment}{NEWLINE}" "$repo_matches[2]" ^/dev/null
end

complete -c borg -f -n __fish_borg_is_diff_second_archive -a '(__fish_borg_list_diff_archives)'
complete -c borg -f -n __fish_borg_is_diff_second_archive -a '(__fish_borg_list_only_archives)'
complete -c borg -f -n __fish_borg_is_delete_additional_archive -a '(__fish_borg_list_only_archives)'