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Clarify the documentation of -x, it always searches a shebang that includes "ruby" #4110

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Merged
Earlopain merged 2 commits into from
May 15, 2026
+3 −3
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Clarify the documentation of -x, it always searches a shebang that includes "ruby" #4110

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Clarify the documentation of -x, it always searches a shebang that in…
eregon May 14, 2026
406cf47
Update one more occurence
Earlopain May 15, 2026
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2 changes: 1 addition & 1 deletion include/prism/options.h
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Original file line number Diff line number Diff line change
Expand Up @@ -103,7 +103,7 @@ static const uint8_t PM_OPTIONS_COMMAND_LINE_P = 0x10;

/**
* A bit representing whether or not the command line -x option was set. -x
* searches the input file for a shebang that matches the current Ruby engine.
* searches the input file for a shebang that includes "ruby".
*/
static const uint8_t PM_OPTIONS_COMMAND_LINE_X = 0x20;

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4 changes: 2 additions & 2 deletions src/prism.c
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Expand Up @@ -22280,8 +22280,8 @@ parse_program(pm_parser_t *parser) {

/**
* A vendored version of strnstr that is used to find a substring within a
* string with a given length. This function is used to search for the Ruby
* engine name within a shebang when the -x option is passed to Ruby.
* string with a given length. This function is used to search for "ruby"
* within a shebang when the -x option is passed to Ruby.
*
* The only modification that we made here is that we don't do NULL byte checks
* because we know the little parameter will not have a NULL byte and we allow
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