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f8043236c6
The `git log` command already offers support for including diffs for merges, via the `--diff-merges=<format>` option. Let's add corresponding support for `git range-diff`, too. This makes it more convenient to spot differences between commit ranges that contain merges. This is especially true in scenarios with non-trivial merges, i.e. merges introducing changes other than, or in addition to, what merge ORT would have produced. Merging a topic branch that changes a function signature into a branch that added a caller of that function, for example, would require the merge commit itself to adjust that caller to the modified signature. In my code reviews, I found the `--diff-merges=remerge` option particularly useful. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
38 lines
934 B
C
38 lines
934 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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* A much higher value than the default, when we KNOW we are comparing
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* the same series (e.g., used when format-patch calls range-diff).
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*/
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#define CREATION_FACTOR_FOR_THE_SAME_SERIES 999
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struct range_diff_options {
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int creation_factor;
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unsigned dual_color:1;
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unsigned left_only:1, right_only:1;
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unsigned include_merges:1;
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const struct diff_options *diffopt; /* may be NULL */
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const struct strvec *other_arg; /* may be NULL */
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};
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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.
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*/
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int show_range_diff(const char *range1, const char *range2,
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struct range_diff_options *opts);
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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.
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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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