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ripgrep: add --pcre2-version flag

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This flag will output details about the version of PCRE2 that ripgrep
is using (if any).
This commit is contained in:
Andrew Gallant
2019-04-14 16:46:02 -04:00
parent a9d71a0368
commit da9d720431
5 changed files with 58 additions and 5 deletions
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15
src/app.rs
View File

@@ -605,6 +605,7 @@ pub fn all_args_and_flags() -> Vec<RGArg> {
flag_path_separator(&mut args);
flag_passthru(&mut args);
flag_pcre2(&mut args);
flag_pcre2_version(&mut args);
flag_pre(&mut args);
flag_pre_glob(&mut args);
flag_pretty(&mut args);
@@ -651,7 +652,7 @@ will be provided. Namely, the following is equivalent to the above:
let arg = RGArg::positional("pattern", "PATTERN")
.help(SHORT).long_help(LONG)
.required_unless(&[
"file", "files", "regexp", "type-list",
"file", "files", "regexp", "type-list", "pcre2-version",
]);
args.push(arg);
}
@@ -1946,6 +1947,18 @@ This flag can be disabled with --no-pcre2.
args.push(arg);
}
fn flag_pcre2_version(args: &mut Vec<RGArg>) {
const SHORT: &str = "Print the version of PCRE2 that ripgrep uses.";
const LONG: &str = long!("\
When this flag is present, ripgrep will print the version of PCRE2 in use,
along with other information, and then exit. If PCRE2 is not available, then
ripgrep will print an error message and exit with an error code.
");
let arg = RGArg::switch("pcre2-version")
.help(SHORT).long_help(LONG);
args.push(arg);
}
fn flag_pre(args: &mut Vec<RGArg>) {
const SHORT: &str = "search outputs of COMMAND FILE for each FILE";
const LONG: &str = long!("\