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@ -386,10 +386,11 @@ int cgit_diff_files(const unsigned char *old_sha1,
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void cgit_diff_tree(const unsigned char *old_sha1,
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const unsigned char *new_sha1,
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filepair_fn fn)
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filepair_fn fn, const char *prefix)
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{
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struct diff_options opt;
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int ret;
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int prefixlen;
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diff_setup(&opt);
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opt.output_format = DIFF_FORMAT_CALLBACK;
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@ -398,6 +399,12 @@ void cgit_diff_tree(const unsigned char *old_sha1,
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opt.recursive = 1;
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opt.format_callback = cgit_diff_tree_cb;
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opt.format_callback_data = fn;
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if (prefix) {
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opt.nr_paths = 1;
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opt.paths = &prefix;
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prefixlen = strlen(prefix);
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opt.pathlens = &prefixlen;
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}
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diff_setup_done(&opt);
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if (old_sha1 && !is_null_sha1(old_sha1))
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@ -414,5 +421,5 @@ void cgit_diff_commit(struct commit *commit, filepair_fn fn)
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if (commit->parents)
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old_sha1 = commit->parents->item->object.sha1;
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cgit_diff_tree(old_sha1, commit->object.sha1, fn);
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cgit_diff_tree(old_sha1, commit->object.sha1, fn, NULL);
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}
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