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refs: loosen restriction on wildcard "*" refspecs

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Loosen restrictions on refspecs by allowing patterns that have a "*"
within a component instead of only as the whole component.

Remove the logic to accept a single "*" as a whole component from
check_refname_format(), and implement an extended form of that logic
in check_refname_component().  Pass the pointer to the flags argument
to the latter, as it has to clear REFNAME_REFSPEC_PATTERN bit when
it sees "*".

Teach check_refname_component() function to allow an asterisk "*"
only when REFNAME_REFSPEC_PATTERN is set in the flags, and drop the
bit after seeing a "*", to ensure that one side of a refspec
contains at most one asterisk.

This will allow us to accept refspecs such as `for/bar*:foo/baz*`.
Any refspec which functioned before shall continue functioning with
the new logic.

Signed-off-by: Jacob Keller <jacob.keller@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jacob Keller
2015-07-22 14:05:33 -07:00
committed by Junio C Hamano
parent 53a8555ee4
commit cd377f45c9
5 changed files with 36 additions and 27 deletions
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8
t/t1402-check-ref-format.sh
View File

@ -62,9 +62,11 @@ invalid_ref 'heads/foo\bar'
invalid_ref "$(printf 'heads/foo\t')"
invalid_ref "$(printf 'heads/foo\177')"
valid_ref "$(printf 'heads/fu\303\237')"
invalid_ref 'heads/*foo/bar' --refspec-pattern
invalid_ref 'heads/foo*/bar' --refspec-pattern
invalid_ref 'heads/f*o/bar' --refspec-pattern
valid_ref 'heads/*foo/bar' --refspec-pattern
valid_ref 'heads/foo*/bar' --refspec-pattern
valid_ref 'heads/f*o/bar' --refspec-pattern
invalid_ref 'heads/f*o*/bar' --refspec-pattern
invalid_ref 'heads/foo*/bar*' --refspec-pattern
ref='foo'
invalid_ref "$ref"