I have three git aliases defined in .gitconfig (with an external bash script defining a function called diff-lines):
[alias]
diffc = diff --cached
diffnw = diff -w --ignore-cr-at-eol --ignore-all-space
diffln =!bash -c 'source $HOME/.bash_functions/diff-lines && git diff | diff-lines'
How can I define 'diffln' such that I can tell it which version of my diff aliases to use?
I'm looking for something to prevent me from having to define each version similar to:
diffcln =!bash -c 'source $HOME/.bash_functions/diff-lines && git diffc | diff-lines'
diffnwln =!bash -c 'source $HOME/.bash_functions/diff-lines && git diffnw | diff-lines'
diffcnwln =!bash -c 'source $HOME/.bash_functions/diff-lines && git diffnw --cached | diff-lines'
etc...
Thanks to @KamilCuk for the solution. I needed to include something/anything after the alias, and also enclose the whole alias in double quotes.
The full working command is this (with a default option to use git diff if no argument is provided):
diffln ="!bash -c 'source $HOME/.bash_functions/diff-lines && if ((!$#)); then set -- diff; fi && git $@ | diff-lines' _"
I have tried this:
diffln =!bash -c 'source $HOME/.bash_functions/diff-lines && git $@ | diff-lines'
and called via:
$ git diffln diffc
but it just gave me the default git options as if I was only calling$ git
Add a something after it. Typically: bash -c "blabla" _
or bash -c "balbla" --
.
The first argument after bash -c "" <here>
is $0
- the second argument is $1
.
Also remember about quoting - put $anything
inside double quotes to prevent word splitting and filename expansions. But I am not sure how git handled that.
diffln =!bash -c 'source "$HOME/.bash_functions/diff-lines" && git "$@" | diff-lines' _
if you want to have a "default" argument, you can:
diffln =!bash -c 'source "$HOME/.bash_functions/diff-lines" && if ((!$#)); then set -- diff; fi && git "$@" | diff-lines' _
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