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Eliminate dependency on ‘paste’ and ‘parallel’

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This commit is contained in:
Caleb Maclennan 2020-12-16 11:19:06 +03:00 committed by Vladimir Zhelezov
parent bb8118c771
commit 4a32ebf8b5
2 changed files with 19 additions and 13 deletions
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26
shell-completion/Makefile
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@ -1,30 +1,34 @@
.PHONY: command-options clean
# Setting the number of job runners like this in the makefile only works in
# GNU Make 4.3 or later. Older versions will require that either an env
# variable be set before running or command line flag be passed at runtime to
# get parallel jobs.
MAKEFLAGS += --jobs=$(shell nproc 2>/dev/null || printf 8)
all: hledger-completion.bash
hledger-completion.bash: hledger-completion.bash.m4 commands-list.txt query-filters.txt generic-options.txt command-options
COMMANDS := $(sort $(shell hledger | ./output-commands.sh | grep -v ^hledger | sort -u) ui web api)
CMDOPTFILES := $(foreach CMD,$(COMMANDS),options-$(CMD).txt)
hledger-completion.bash: hledger-completion.bash.m4 commands.txt commands-list.txt query-filters.txt generic-options.txt $(CMDOPTFILES)
m4 hledger-completion.bash.m4 > $@
generic-options.txt:
hledger -h | ./output-options.sh | sort -u > $@
commands.txt:
hledger | ./output-commands.sh | grep -v ^hledger | sort -u > $@
echo ui >> $@
echo web >> $@
echo api >> $@
printf "%s\n" $(COMMANDS) > $@
commands-list.txt: commands.txt
paste -sd, $^ | tr -d '\n' > $@
commands-list.txt:
printf "%s," $(COMMANDS) | sed 's/,$$//' > $@
#query-filters.txt:
# The query filters are hard to extract!
# hledger help --cat hledger | sed -n '/^QUERIES/,/^[A-Z]/p'
command-options: commands.txt
parallel -j8 'hledger {} -h | ./output-options.sh {} | sort -u > options-{}.txt' < commands.txt
options-%.txt:
hledger $* -h | ./output-options.sh $* | sort -u > $@
.PHONY: clean
clean:
rm -f commands*.txt generic-options.txt options-*.txt
rm -f hledger-completion.bash

6
shell-completion/README.md
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@ -69,8 +69,10 @@ cd shell-completion/
make
```
Hint: GNU make, GNU m4, and GNU parallel must be installed to call `make`.
The first two usually are.
Hint: GNU make and GNU m4 must be installed to call `make`.
These are present on most systems anyway.
Additionally the build will run a lot faster with parallell jobs.
Use `make -j$(nproc)` for best effect.
The generated completion script must be installed. The package maintainer for
your distribution should be responsible for this.