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Optimize rename detection in historywalk by implausible · Pull Request #900 · nodegit/nodegit · GitHub

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Optimize rename detection in historywalk #900

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Merged
maxkorp merged 2 commits into from
Feb 10, 2016
Conversation 0 Commits 2 Checks 0 Files changed
Merged

Optimize rename detection in historywalk #900

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c2f6d81
Optimize rename detection in historywalk
implausible Feb 9, 2016
d23ba87
Provide old and new name instead of just altname
implausible Feb 9, 2016
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Optimize rename detection in historywalk
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implausible committed Feb 9, 2016
commit c2f6d811a07cd627d7b6f34fa6f12bc28ca66d29
39 changes: 33 additions & 6 deletions generate/templates/manual/revwalk/file_history_walk.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -55,6 +55,10 @@ void GitRevwalk::FileHistoryWalkWorker::Execute()
}

git_diff *diffs;
git_diff_options opts = GIT_DIFF_OPTIONS_INIT;
char *file_path = strdup(baton->file_path);
opts.pathspec.strings = &file_path;
opts.pathspec.count = 1;
git_commit *parent;
unsigned int parents = git_commit_parentcount(nextCommit);
if (parents > 1) {
Expand All @@ -67,19 +71,23 @@ void GitRevwalk::FileHistoryWalkWorker::Execute()
}
if (
(baton->error_code = git_commit_tree(&parentTree, parent)) != GIT_OK ||
(baton->error_code = git_diff_tree_to_tree(&diffs, repo, parentTree, thisTree, NULL)) != GIT_OK
(baton->error_code = git_diff_tree_to_tree(&diffs, repo, parentTree, thisTree, &opts)) != GIT_OK
) {
git_commit_free(nextCommit);
git_commit_free(parent);
break;
}
} else {
if ((baton->error_code = git_diff_tree_to_tree(&diffs, repo, NULL, thisTree, NULL)) != GIT_OK) {
if ((baton->error_code = git_diff_tree_to_tree(&diffs, repo, NULL, thisTree, &opts)) != GIT_OK) {
git_commit_free(nextCommit);
break;
}
}

free(file_path);
opts.pathspec.strings = NULL;
opts.pathspec.count = 0;

bool flag = false;
bool doRenamedPass = false;
unsigned int numDeltas = git_diff_num_deltas(diffs);
Expand Down Expand Up @@ -127,10 +135,29 @@ void GitRevwalk::FileHistoryWalkWorker::Execute()
}
}

if (
doRenamedPass &&
(baton->error_code = git_diff_find_similar(diffs, NULL)) == GIT_OK
) {
if (doRenamedPass) {
git_diff_free(diffs);

if (parents == 1) {
if ((baton->error_code = git_diff_tree_to_tree(&diffs, repo, parentTree, thisTree, NULL)) != GIT_OK) {
git_commit_free(nextCommit);
break;
}
if ((baton->error_code = git_diff_find_similar(diffs, NULL)) != GIT_OK) {
git_commit_free(nextCommit);
break;
}
} else {
if ((baton->error_code = git_diff_tree_to_tree(&diffs, repo, NULL, thisTree, NULL)) != GIT_OK) {
git_commit_free(nextCommit);
break;
}
if((baton->error_code = git_diff_find_similar(diffs, NULL)) != GIT_OK) {
git_commit_free(nextCommit);
break;
}
}

flag = false;
numDeltas = git_diff_num_deltas(diffs);
for (unsigned int j = 0; j < numDeltas; ++j) {
Expand Down
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