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Bash-completion is written with FHS in mind where completion scripts
all get added to /usr/share/bash-completion/completions and are picked
up by the dynamic completion loader from there---whether they are
part of bash-completion or installed by another package.
On Guix systems, we want not only to search within bash-completion's own
directory, but also in the user's profile and in the system profile.
This is what this patch does.
--- bash-completion-2.1/bash_completion 2015-03-11 09:45:45.056846446 +0100
+++ bash-completion-2.1/bash_completion 2015-03-11 09:52:43.248159504 +0100
@@ -1928,9 +1928,20 @@ _completion_loader()
local compfile=./completions
[[ $BASH_SOURCE == */* ]] && compfile="${BASH_SOURCE%/*}/completions"
compfile+="/${1##*/}"
+ local base="${1##*/}"
+ # Look for completion files in the user and global profiles and
+ # lastly in 'bash-completion' itself.
+ for file in \
+ "$HOME/.guix-profile/share/bash-completion/completions/$base" \
+ "$HOME/.guix-profile/etc/bash_completion.d/$base" \
+ "/run/current-system/profile/share/bash-completion/completions/$base" \
+ "/run/current-system/profile/etc/bash_completion.d/$base" \
+ "$compfile"
+ do
# Avoid trying to source dirs; https://bugzilla.redhat.com/903540
- [[ -f "$compfile" ]] && . "$compfile" &>/dev/null && return 124
+ [[ -f "$file" ]] && . "$file" &>/dev/null && return 124
+ done
# Need to define *something*, otherwise there will be no completion at all.
complete -F _minimal "$1" && return 124
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