[gitg/wip/albfan/gitattributes-textconv] Convert to text using gitattributes config
- From: Alberto Fanjul <albfan src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gitg/wip/albfan/gitattributes-textconv] Convert to text using gitattributes config
- Date: Wed, 8 Dec 2021 13:16:37 +0000 (UTC)
commit d82ab68694391e008a5bff8bcd2b28cd270d91be
Author: Alberto Fanjul <albertofanjul gmail com>
Date: Tue Nov 30 08:59:42 2021 +0100
Convert to text using gitattributes config
libgitg/gitg-diff-view-file-info.vala | 20 ++++-
.../gitg-diff-view-file-renderer-text-split.vala | 2 +-
libgitg/gitg-diff-view-file-renderer-text.vala | 11 ++-
libgitg/gitg-diff-view.vala | 87 +++++++++++++++++-
libgitg/gitg-textconv.vala | 100 +++++++++++++++++++++
libgitg/meson.build | 1 +
6 files changed, 211 insertions(+), 10 deletions(-)
---
diff --git a/libgitg/gitg-diff-view-file-info.vala b/libgitg/gitg-diff-view-file-info.vala
index 5fe72477..8d64bfc1 100644
--- a/libgitg/gitg-diff-view-file-info.vala
+++ b/libgitg/gitg-diff-view-file-info.vala
@@ -44,7 +44,10 @@ class Gitg.DiffViewFileInfo : Object
return;
}
- var bytes = new Bytes(blob.get_raw_content());
+ uint8[]? raw_content = blob.get_raw_content();
+ if (TextConv.has_textconv_command(repository, file))
+ raw_content = TextConv.get_textconv_content_from_raw(repository, file,
raw_content);
+ var bytes = new Bytes(raw_content);
new_file_input_stream = new GLib.MemoryInputStream.from_bytes(bytes);
}
else if (location != null)
@@ -52,7 +55,18 @@ class Gitg.DiffViewFileInfo : Object
// Try to read from disk
try
{
- new_file_input_stream = yield location.read_async(Priority.DEFAULT,
cancellable);
+ if (TextConv.has_textconv_command(repository, file))
+ {
+ uint8[]? content = null;
+ yield location.load_contents_async(cancellable, out content, null);
+ content = TextConv.get_textconv_content_from_raw(repository, file,
content);
+ var bytes = new Bytes(content);
+ new_file_input_stream = new GLib.MemoryInputStream.from_bytes(bytes);
+ }
+ else
+ {
+ new_file_input_stream = yield location.read_async(Priority.DEFAULT,
cancellable);
+ }
}
catch
{
@@ -102,4 +116,4 @@ class Gitg.DiffViewFileInfo : Object
new_file_content_type = GLib.ContentType.guess(basename, buffer, out uncertain);
}
-}
\ No newline at end of file
+}
diff --git a/libgitg/gitg-diff-view-file-renderer-text-split.vala
b/libgitg/gitg-diff-view-file-renderer-text-split.vala
index 53cc469e..696693a0 100644
--- a/libgitg/gitg-diff-view-file-renderer-text-split.vala
+++ b/libgitg/gitg-diff-view-file-renderer-text-split.vala
@@ -86,7 +86,7 @@ class Gitg.DiffViewFileRendererTextSplit : Gtk.Box, DiffSelectable, DiffViewFile
public bool highlight
{
- get { return d_renderer_left.highlight; }
+ get { return d_renderer_left != null && d_renderer_left.highlight; }
construct set
{
diff --git a/libgitg/gitg-diff-view-file-renderer-text.vala b/libgitg/gitg-diff-view-file-renderer-text.vala
index b20dba7a..5745f8ee 100644
--- a/libgitg/gitg-diff-view-file-renderer-text.vala
+++ b/libgitg/gitg-diff-view-file-renderer-text.vala
@@ -393,18 +393,21 @@ class Gitg.DiffViewFileRendererText : Gtk.SourceView, DiffSelectable, DiffViewFi
return null;
}
- content = blob.get_raw_content();
+ if (TextConv.has_textconv_command(repository, file))
+ content = TextConv.get_textconv_content(repository, file);
+ else
+ content = blob.get_raw_content();
}
else
{
// Try to read from disk
try
{
- string etag;
-
// Read it all into a buffer so we can guess the content type from
// it. This isn't really nice, but it's simple.
- yield location.load_contents_async(cancellable, out content, out etag);
+ yield location.load_contents_async(cancellable, out content, null);
+ if (TextConv.has_textconv_command(repository, file))
+ content = TextConv.get_textconv_content_from_raw(repository, file,
content);
}
catch
{
diff --git a/libgitg/gitg-diff-view.vala b/libgitg/gitg-diff-view.vala
index f5c00d17..75952e21 100644
--- a/libgitg/gitg-diff-view.vala
+++ b/libgitg/gitg-diff-view.vala
@@ -848,9 +848,92 @@ public class Gitg.DiffView : Gtk.Grid
}
if (current_is_binary)
{
- current_file.add_binary_renderer();
- }
+ try {
+ var new_file = delta.get_new_file();
+ var old_file = delta.get_old_file();
+ if (TextConv.has_textconv_command(repository,
old_file) || TextConv.has_textconv_command(repository, new_file))
+ {
+ uint8[] n_textconv =
TextConv.get_textconv_content(repository, new_file);
+ uint8[] o_textconv =
TextConv.get_textconv_content(repository, old_file);
+
+ current_is_binary = false;
+ var opts = new Ggit.DiffOptions();
+ opts.flags =
Ggit.DiffOption.INCLUDE_UNTRACKED |
+
Ggit.DiffOption.IGNORE_WHITESPACE |
+
Ggit.DiffOption.DISABLE_PATHSPEC_MATCH |
+
Ggit.DiffOption.RECURSE_UNTRACKED_DIRS;
+ opts.n_context_lines = 3;
+ opts.n_interhunk_lines = 3;
+
+
+ var bdiff = new Ggit.Diff.buffers(o_textconv,
old_file.get_path(), n_textconv, new_file.get_path(), opts);
+ bdiff.foreach(
+ (delta, progress) => {
+ if (cancellable !=
null && cancellable.is_cancelled())
+ {
+ return 1;
+ }
+ deltakey =
key_for_delta(delta);
+
+ if
(infomap.has_key(deltakey))
+ {
+ info =
infomap[deltakey];
+ }
+ else
+ {
+ info = new
DiffViewFileInfo(repository, delta, new_is_workdir);
+ }
+ current_file
= new Gitg.DiffViewFile(info);
+
current_file.add_text_renderer(handle_selection, num_parents);
+ return 0;
+ },
+ (delta, binary) => {
+ if (cancellable !=
null && cancellable.is_cancelled())
+ {
+ return 1;
+ }
+ return 0;
+ },
+ (delta, hunk) => {
+ if (cancellable !=
null && cancellable.is_cancelled())
+ {
+ return 1;
+ }
+ if
(!current_is_binary)
+ {
+ maxlines =
int.max(maxlines, hunk.get_old_start() + hunk.get_old_lines());
+ maxlines =
int.max(maxlines, hunk.get_new_start() + hunk.get_new_lines());
+
+ add_hunk();
+
+ current_hunk
= hunk;
+ current_lines
= new Gee.ArrayList<Ggit.DiffLine>();
+ }
+
+ return 0;
+ },
+ (delta, hunk, line) => {
+ if (cancellable !=
null && cancellable.is_cancelled())
+ {
+ return 1;
+ }
+ if
(!current_is_binary)
+ {
+
current_lines.add(line);
+ }
+ return 0;
+ }
+ );
+ add_hunk();
+ add_file();
+ }
+ } catch (Error error) {
+ stderr.printf (@"Error: $(error.message)\n");
+ }
+ if (current_is_binary)
+ current_file.add_binary_renderer();
+ }
return 0;
},
diff --git a/libgitg/gitg-textconv.vala b/libgitg/gitg-textconv.vala
new file mode 100755
index 00000000..5def89f5
--- /dev/null
+++ b/libgitg/gitg-textconv.vala
@@ -0,0 +1,100 @@
+/*
+ *
+ * Copyright (C) 2021 - Alberto Fanjul
+ *
+ * gitg is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * gitg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with gitg. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+using Ggit;
+
+namespace Gitg
+{
+
+public class TextConv
+{
+ public static bool has_textconv_command(Repository repository, DiffFile file)
+ {
+ return get_textconv_command(repository, file) != null;
+ }
+
+ private static string? get_textconv_command(Repository repository, DiffFile file)
+ {
+ string? command = null;
+ var path = file.get_path();
+ var diffattr = repository.get_attribute(path, "diff",
Ggit.AttributeCheckFlags.FILE_THEN_INDEX);
+ if (diffattr != null)
+ {
+ var textconv_key = "diff.%s.textconv".printf(diffattr);
+ command = repository.get_config().get_entry(textconv_key).get_value();
+ }
+ return command;
+ }
+
+ public static uint8[] get_textconv_content(Repository repository, DiffFile file)
+ {
+ uint8[] content = "".data;
+ if (file != null)
+ {
+ var oid = file.get_oid();
+ uint8[]? raw_content = null;
+ if (!oid.is_zero()) {
+ var blob = repository.lookup<Ggit.Blob>(oid);
+ raw_content = blob.get_raw_content();
+ }
+
+ content = get_textconv_content_from_raw(repository, file, raw_content);
+ }
+ return content;
+ }
+
+ public static uint8[] get_textconv_content_from_raw(Repository repository, DiffFile file, uint8[]?
raw_content)
+ {
+ uint8[] content = "".data;
+ if (raw_content != null)
+ {
+ var command = get_textconv_command(repository, file);
+ if (command != null)
+ {
+ content = textconv(command, raw_content);
+ }
+ }
+ return content;
+ }
+
+ private static uint8[] textconv(string command, uint8[]? data)
+ {
+ var subproc = new Subprocess(STDIN_PIPE | STDOUT_PIPE, command, "/dev/stdin");
+
+ var input = new MemoryInputStream.from_data(data, GLib.free);
+
+ subproc.get_stdin_pipe ().splice (input, CLOSE_TARGET);
+ var end_pipe = subproc.get_stdout_pipe ();
+ var output = new DataInputStream (end_pipe);
+
+ string lines = "";
+ string? line = null;
+ do {
+ line = output.read_line();
+ if (line != null) {
+ line = line.replace("\f", "");
+ lines += line+"\n";
+ }
+ } while (line != null);
+ return lines.data;
+ }
+}
+
+}
+
+// ex:ts=4 noet
diff --git a/libgitg/meson.build b/libgitg/meson.build
index 56105239..6511a7e2 100644
--- a/libgitg/meson.build
+++ b/libgitg/meson.build
@@ -68,6 +68,7 @@ sources = files(
'gitg-sidebar.vala',
'gitg-stage-status-enumerator.vala',
'gitg-stage.vala',
+ 'gitg-textconv.vala',
'gitg-theme.vala',
'gitg-utils.vala',
'gitg-when-mapped.vala',
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