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Fix Bash completions #1721

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Fix Bash completions #1721

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37f82d5
Fix Bash completions
pdietl Jul 20, 2024
5e6a4bb
Refactor awk script into a Bash function
pdietl Jul 23, 2024
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4 changes: 3 additions & 1 deletion .github/workflows/ci-linux.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -66,7 +66,9 @@ jobs:

- name: Package binaries
if: (github.event_name == 'release')
run: zip alr-bin-linux.zip bin/alr LICENSE.txt
run: |
echo 'sudo cp -r bin share /usr/local/' > INSTALL.md
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I'd rather have a proper INSTALL.md file a bit more fleshed out, where this command is not just given but also explained. Some people may prefer to use another prefix not requiring sudo.

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Should I make this Linux-specific or even distro specific? I believe that where to put Bash completion files is a bit distro-dependent.

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Can this be found automatically? Otherwise I don't think we want to manually maintain such a thing. We can explain in the INSTALL.md file that the given structure is for Debian and should be tweaked if needed. Also yes, I think the INSTALL.md should make clear this is only for Unix-like, and that there's a Windows installer.

zip alr-bin-linux.zip bin/alr share/bash-completion/completions/alr LICENSE.txt INSTALL.md
- name: Retrieve upload URL for the release
if: (github.event_name == 'release')
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39 changes: 37 additions & 2 deletions scripts/alr-completion.bash → share/bash-completion/completions/alr
100755 → 100644
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Expand Up @@ -13,8 +13,43 @@ else
fi
alr settings --global --set index.auto_update 0

# Commands/Topics: all line-first words not starting with capital letter, after # COMMANDS
_alr_commands=$(alr | grep COMMANDS -A 99 | awk '{print $1}' | grep -v '[[:upper:]]' | xargs)
# The help output is roughly structured into sections like so:
# SECTION_NAME_1
# Subsection
# word description
#
# Note that the section names are in ALL_CAPS and the subsection names start
# with a capital letter. The good stuff is the lowercase words in the COMMANDS and ALIASES sections

# First, we collect all commands (words not starting with an uppercase letter) in the COMMANDS section.
# We start matching on the line "COMMANDS" and collect all first words in lines that don't start with a
# capital letter. We stop when we find a line comprised of entirely UPPERCASE letters, which delimits
# the start of another section.
#
# Because Awk range matches are inclusive, and the end pattern would also match the start pattern,
# we have to add a bit of ugliness.

_alr_commands=$(alr | awk '
$0 == "COMMANDS", ($0 ~ /^[A-Z]+$/ && $0 != "COMMANDS") {
if ($0 == "COMMANDS" || $1 ~ /^[A-Z]/ || !NF)
skip
else
print $1
}
')

_alr_commands+=' '

# Now do the same, but for the ALIASES section.

_alr_commands+=$(alr | awk '
$0 == "ALIASES", ($0 ~ /^[A-Z]+$/ && $0 != "ALIASES") {
if ($0 == "ALIASES" || $1 ~ /^[A-Z]/ || !NF)
skip
else
print $1
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}
')

# Long global switches
_alr_global_switches=$(alr -h | grep -Eo -- '--[[:alnum:]-]+' | xargs)
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