On Thu, Sep 27, 2012 at 02:43:38AM -0400, Jeff King wrote:
> Here are the numbers using sed[1]
> instead:
> -# Quotes each element of an IFS-delimited list for shell reuse
> +# Quotes each element of a newline-delimited list for shell reuse
> __git_quote()
> {
> - local i
> - local delim
> - for i in $1; do
> - local quoted=${i//\'/\'\\\'\'}
> - printf "${delim:+$IFS}'%s'" "$quoted"
> - delim=t
> - done
> + echo "$1" |
> + sed "
> + s/'/'\\\\''/g
> + s/^/'/
> + s/$/'/
> + "
> }
>
> # Generates completion reply with compgen, appending a space to possible
Your usage of sed got me thinking and come up with this.
The first two fix benign bugs in completion tests, and the third adds
tests for __gitcomp_nl(). These are good to go.
The fourth adds __gitcomp() and __gitcomp_nl() tests for this
expansion breakage. The expected results might need some adjustments,
because they contain special characters unquoted, but I'm tempted to
say that a branch called $foo is so rare in practice, that we
shouldn't bother.
The final one is a proof of concept for inspiration. It gets rid of
compgen and its crazy additional expansion replacing it with a small
sed script. It needs further work to handle words with whitespaces
and special characters.
SZEDER Gábor (5):
completion: fix non-critical bugs in __gitcomp() tests
completion: fix args of run_completion() test helper
completion: add tests for the __gitcomp_nl() completion helper
function
completion: test __gitcomp() and __gitcomp_nl() with expandable words
completion: avoid compgen to fix expansion issues in __gitcomp_nl()
contrib/completion/git-completion.bash | 6 ++-
t/t9902-completion.sh | 91 +++++++++++++++++++++++++++++++---
2 files changed, 90 insertions(+), 7 deletions(-)
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