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[utility] Simplify enabling 'diff' color conditions in wrapper function

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Nested `if` can be removed for simple cases like these.
Also, doc cleanup.
This commit is contained in:
Indrajit Raychaudhuri 2017-07-20 22:58:29 -05:00 committed by Kaleb Elwert
parent 96bbb31cc8
commit 2436806fce
2 changed files with 3 additions and 6 deletions
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2
modules/utility/README.md
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@ -153,7 +153,7 @@ Functions
### Developer
- `diff` highlights diff output (requires `colordiff` or `Git`).
- `diff` highlights diff output (requires `colordiff`).
- `make` highlights make output (requires `colormake`).
- `wdiff` highlights wdiff output (requires `wdiff `or `Git`).

7
modules/utility/functions/diff
View File

@ -6,12 +6,9 @@
#
function diff {
if zstyle -t ':prezto:module:utility:diff' color; then
if (( $+commands[colordiff] )); then
if zstyle -t ':prezto:module:utility:diff' color \
&& (( $+commands[colordiff] )); then
command colordiff "$@"
else
command diff "$@"
fi
else
command diff "$@"
fi