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Document how to ignore errors with - in readme (#690)

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Casey Rodarmor 2020-10-03 14:23:51 -07:00 committed by GitHub
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2
.github/workflows/build.yaml vendored
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@ -14,7 +14,7 @@ env:
# Increment to invalidate github actions caches if they become corrupt. # Increment to invalidate github actions caches if they become corrupt.
# Errors of the form "can't find crate for `snafu_derive` which `snafu` depends on" # Errors of the form "can't find crate for `snafu_derive` which `snafu` depends on"
# can usually be fixed by incrementing this value. # can usually be fixed by incrementing this value.
CACHE_KEY_PREFIX: 2 CACHE_KEY_PREFIX: 3
jobs: jobs:
all: all:

20
README.adoc
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@ -437,6 +437,26 @@ string!
" "
``` ```
=== Ignoring Errors
Normally, if a command returns a nonzero exit status, execution will stop. To
continue execution after a command, even if it fails, prefix the command with
`-`:
```make
foo:
cat foo
echo 'Done!'
```
```sh
$ just foo
cat foo
cat: foo: No such file or directory
echo 'Done!'
Done!
```
=== Functions === Functions
Just provides a few built-in functions that might be useful when writing recipes. Just provides a few built-in functions that might be useful when writing recipes.