From 3c1b0e2061172ca057b945aed00229b56fac4104 Mon Sep 17 00:00:00 2001
From: Martin Marmsoler <martin.marmsoler@gmail.com>
Date: Thu, 28 Apr 2022 18:44:38 +0200
Subject: [PATCH] WIP

---
 dep/libgit2/libgit2 |  2 +-
 src/git/Filter.cpp  | 72 ++++++++++++++++++++++++---------------------
 2 files changed, 40 insertions(+), 34 deletions(-)

diff --git a/dep/libgit2/libgit2 b/dep/libgit2/libgit2
index 173ec88b51..a8d5610091 160000
--- a/dep/libgit2/libgit2
+++ b/dep/libgit2/libgit2
@@ -1 +1 @@
-Subproject commit 173ec88b51ddcb04ddc1d63e637e9cbacf7d411d
+Subproject commit a8d5610091aaa91cb73123b2d540775e324eb92c
diff --git a/src/git/Filter.cpp b/src/git/Filter.cpp
index cfa03d8d5a..7da37c7723 100644
--- a/src/git/Filter.cpp
+++ b/src/git/Filter.cpp
@@ -38,38 +38,44 @@ struct FilterInfo {
 
 QString quote(const QString &path) { return QString("\"%1\"").arg(path); }
 
-int apply(git_filter *self, void **payload, git_buf *to, const git_buf *from,
-          const git_filter_source *src) {
-  FilterInfo *info = reinterpret_cast<FilterInfo *>(self);
-  git_filter_mode_t mode = git_filter_source_mode(src);
-  QString command = (mode == GIT_FILTER_SMUDGE) ? info->smudge : info->clean;
-
-  // Substitute path.
-  command.replace("%f", quote(git_filter_source_path(src)));
-
-  QString bash = Command::bashPath();
-  if (bash.isEmpty())
-    return info->required ? GIT_EUSER : GIT_PASSTHROUGH;
-
-  QProcess process;
-  git_repository *repo = git_filter_source_repo(src);
-  process.setWorkingDirectory(git_repository_workdir(repo));
-
-  process.start(bash, {"-c", command});
-  if (!process.waitForStarted())
-    return info->required ? GIT_EUSER : GIT_PASSTHROUGH;
-
-  process.write(from->ptr, from->size);
-  process.closeWriteChannel();
-
-  if (!process.waitForFinished() || process.exitCode()) {
-    git_error_set_str(GIT_ERROR_FILTER, process.readAllStandardError());
-    return info->required ? GIT_EUSER : GIT_PASSTHROUGH;
-  }
-
-  QByteArray data = process.readAll();
-  git_buf_set(to, data.constData(), data.length());
-  return 0;
+int stream(
+  git_writestream **out,
+  git_filter *self,
+  void **payload,
+  const git_filter_source *src,
+  git_writestream *next)
+{
+	return -1;
+//  FilterInfo *info = reinterpret_cast<FilterInfo *>(self);
+//  git_filter_mode_t mode = git_filter_source_mode(src);
+//  QString command = (mode == GIT_FILTER_SMUDGE) ? info->smudge : info->clean;
+
+//  // Substitute path.
+//  command.replace("%f", quote(git_filter_source_path(src)));
+
+//  QString bash = Command::bashPath();
+//  if (bash.isEmpty())
+//    return info->required ? GIT_EUSER : GIT_PASSTHROUGH;
+
+//  QProcess process;
+//  git_repository *repo = git_filter_source_repo(src);
+//  process.setWorkingDirectory(git_repository_workdir(repo));
+
+//  process.start(bash, {"-c", command});
+//  if (!process.waitForStarted())
+//    return info->required ? GIT_EUSER : GIT_PASSTHROUGH;
+
+//  process.write(from->ptr, from->size);
+//  process.closeWriteChannel();
+
+//  if (!process.waitForFinished() || process.exitCode()) {
+//    git_error_set_str(GIT_ERROR_FILTER, process.readAllStandardError());
+//    return info->required ? GIT_EUSER : GIT_PASSTHROUGH;
+//  }
+
+//  QByteArray data = process.readAll();
+//  git_buf_set(to, data.constData(), data.length());
+//  return 0;
 }
 
 } // namespace
@@ -101,7 +107,7 @@ void Filter::init() {
     info.name = key.toUtf8();
     info.attributes = kFilterFmt.arg(key).toUtf8();
 
-    info.filter.apply = &apply;
+	info.filter.stream = &stream;
     info.filter.attributes = info.attributes.constData();
     git_filter_register(info.name.constData(), &info.filter,
                         GIT_FILTER_DRIVER_PRIORITY);