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679b5916cd
Currently, when called with exactly two arguments, `git range-diff` tests for a literal `..` in each of the two. Likewise, the argument provided via `--range-diff` to `git format-patch` is checked in the same manner. However, `<commit>^!` is a perfectly valid commit range, equivalent to `<commit>^..<commit>` according to the `SPECIFYING RANGES` section of gitrevisions[7]. In preparation for allowing more sophisticated ways to specify commit ranges, let's refactor the check into its own function. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
28 lines
779 B
C
28 lines
779 B
C
#ifndef RANGE_DIFF_H
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#define RANGE_DIFF_H
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#include "diff.h"
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#include "strvec.h"
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#define RANGE_DIFF_CREATION_FACTOR_DEFAULT 60
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/*
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* Compare series of commits in RANGE1 and RANGE2, and emit to the
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* standard output. NULL can be passed to DIFFOPT to use the built-in
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* default.
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*/
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int show_range_diff(const char *range1, const char *range2,
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int creation_factor, int dual_color,
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const struct diff_options *diffopt,
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const struct strvec *other_arg);
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/*
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* Determine whether the given argument is usable as a range argument of `git
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* range-diff`, e.g. A..B. Note that this only validates the format but does
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* _not_ parse it, i.e. it does _not_ look up the specified commits in the
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* local repository.
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*/
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int is_range_diff_range(const char *arg);
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#endif
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