Ignore this patch, I just discovered that I was still operating on pre-reset next and it doesn't apply cleanly on top of the current tip.
-Kevin Ballard
On Sep 22, 2010, at 5:32 PM, Kevin Ballard wrote:
> The recursive merge strategy turns on rename detection but leaves the
> rename score at the default. Add a strategy option to allow the user
> to specify a rename score to use.
>
> Signed-off-by: Kevin Ballard <kevin@xxxxxx>
> ---
> As near as I can tell, there are no tests that deal with rename score.
> Given this, I did not attempt to construct my own, as I fear such a test
> would be far more complicated than the change itself.
>
> Documentation/merge-strategies.txt | 4 ++++
> diff.c | 6 +++---
> diff.h | 2 ++
> merge-recursive.c | 6 ++++++
> merge-recursive.h | 1 +
> 5 files changed, 16 insertions(+), 3 deletions(-)
>
> diff --git a/Documentation/merge-strategies.txt b/Documentation/merge-strategies.txt
> index 91faba5..05eb8f8 100644
> --- a/Documentation/merge-strategies.txt
> +++ b/Documentation/merge-strategies.txt
> @@ -74,6 +74,10 @@ no-renormalize;;
> Disables the `renormalize` option. This overrides the
> `merge.renormalize` configuration variable.
>
> +rename-score=<n>;;
> + Controls the similarity threshold used for rename detection.
> + See also linkgit:git-diff[1] `-M`.
> +
> subtree[=path];;
> This option is a more advanced form of 'subtree' strategy, where
> the strategy makes a guess on how two trees must be shifted to
> diff --git a/diff.c b/diff.c
> index a7d15e5..da88704 100644
> --- a/diff.c
> +++ b/diff.c
> @@ -3323,7 +3323,7 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac)
> return 1;
> }
>
> -static int parse_num(const char **cp_p)
> +int parse_rename_score(const char **cp_p)
> {
> unsigned long num, scale;
> int ch, dot;
> @@ -3369,7 +3369,7 @@ static int diff_scoreopt_parse(const char *opt)
> if (cmd != 'M' && cmd != 'C' && cmd != 'B')
> return -1; /* that is not a -M, -C nor -B option */
>
> - opt1 = parse_num(&opt);
> + opt1 = parse_rename_score(&opt);
> if (cmd != 'B')
> opt2 = 0;
> else {
> @@ -3379,7 +3379,7 @@ static int diff_scoreopt_parse(const char *opt)
> return -1; /* we expect -B80/99 or -B80 */
> else {
> opt++;
> - opt2 = parse_num(&opt);
> + opt2 = parse_rename_score(&opt);
> }
> }
> if (*opt != 0)
> diff --git a/diff.h b/diff.h
> index e17383c..1a263e9 100644
> --- a/diff.h
> +++ b/diff.h
> @@ -332,4 +332,6 @@ extern void emit_line(struct diff_options *o, const char *set, const char *reset
>
> extern char *quote_two(const char *one, const char *two);
>
> +extern int parse_rename_score(const char **cp_p);
> +
> #endif /* DIFF_H */
> diff --git a/merge-recursive.c b/merge-recursive.c
> index bf611ae..4d131da 100644
> --- a/merge-recursive.c
> +++ b/merge-recursive.c
> @@ -334,6 +334,7 @@ static struct string_list *get_renames(struct merge_options *o,
> opts.rename_limit = o->merge_rename_limit >= 0 ? o->merge_rename_limit :
> o->diff_rename_limit >= 0 ? o->diff_rename_limit :
> 500;
> + opts.rename_score = o->rename_score;
> opts.warn_on_too_large_rename = 1;
> opts.output_format = DIFF_FORMAT_NO_OUTPUT;
> if (diff_setup_done(&opts) < 0)
> @@ -1576,6 +1577,11 @@ int parse_merge_opt(struct merge_options *o, const char *s)
> o->renormalize = 1;
> else if (!strcmp(s, "no-renormalize"))
> o->renormalize = 0;
> + else if (!prefixcmp(s, "rename-score=")) {
> + const char *score = s + strlen("rename-score=");
> + if ((o->rename_score = parse_rename_score(&score)) == -1 || *score != 0)
> + return -1;
> + }
> else
> return -1;
> return 0;
> diff --git a/merge-recursive.h b/merge-recursive.h
> index 2eb5d1a..c8135b0 100644
> --- a/merge-recursive.h
> +++ b/merge-recursive.h
> @@ -19,6 +19,7 @@ struct merge_options {
> int verbosity;
> int diff_rename_limit;
> int merge_rename_limit;
> + int rename_score;
> int call_depth;
> struct strbuf obuf;
> struct string_list current_file_set;
> --
> 1.7.3.237.g22e9
>
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