Regexps in configuration file are ignored if no other regexp is present in the command line #1730
Description
What version of ripgrep are you using?
ripgrep 12.1.1
-SIMD -AVX (compiled)
+SIMD +AVX (runtime)
How did you install ripgrep?
brew install ripgrep
What operating system are you using ripgrep on?
macOS 11.0.1
Describe your bug.
If regexps (--regexp) are exclusively specified in the configuration file, then they are ignored.
What are the steps to reproduce the behavior?
$ cat /tmp/.ripgreprc
--regexp
foo
$ echo 'xxx foo xxx' | RIPGREP_CONFIG_PATH=/tmp/.ripgreprc rg
What is the actual behavior?
$ echo 'xxx foo xxx' | RIPGREP_CONFIG_PATH=/tmp/.ripgreprc rg --debug
error: The following required arguments were not provided:
<PATTERN>
USAGE:
rg [OPTIONS] PATTERN [PATH ...]
rg [OPTIONS] [-e PATTERN ...] [-f PATTERNFILE ...] [PATH ...]
rg [OPTIONS] --files [PATH ...]
rg [OPTIONS] --type-list
command | rg [OPTIONS] PATTERN
For more information try --help
What is the expected behavior?
xxx foo xxx
(With foo being highlighted.)