[gitg/fix-warnings: 5/7] Control errors

[Alberto Fanjul <albfan src gnome org>]

commit 7f8203f2b24156ace7de365ed9f84870454c9f1a
Author: Alberto Fanjul <albertofanjul gmail com>
Date:   Tue Feb 15 01:10:33 2022 +0100

    Control errors

 libgitg/gitg-diff-view.vala |  2 +-
 libgitg/gitg-textconv.vala  | 47 +++++++++++++++++++++++++++------------------
 2 files changed, 29 insertions(+), 20 deletions(-)
---
diff --git a/libgitg/gitg-diff-view.vala b/libgitg/gitg-diff-view.vala
index 111b2643..f40bcfcb 100644
--- a/libgitg/gitg-diff-view.vala
+++ b/libgitg/gitg-diff-view.vala
@@ -598,9 +598,9 @@ public class Gitg.DiffView : Gtk.Grid
        {
                if (repository != null)
                {
-                       var conf = repository.get_config().snapshot();
                        try
                        {
+                               var conf = repository.get_config().snapshot();
                                conf.match_foreach(regex_custom_links, (match_info, value) => {
                                        string group = match_info.fetch(1);
                                        debug ("found custom-link group: %s", group);
diff --git a/libgitg/gitg-textconv.vala b/libgitg/gitg-textconv.vala
index b2fb8f99..7913c055 100755
--- a/libgitg/gitg-textconv.vala
+++ b/libgitg/gitg-textconv.vala
@@ -32,7 +32,11 @@ public class TextConv
        {
                string? command = null;
                var path = file.get_path();
-               var diffattr = repository.get_attribute(path, "diff", 
Ggit.AttributeCheckFlags.FILE_THEN_INDEX);
+               string? diffattr = null;
+               try
+               {
+                       diffattr = repository.get_attribute(path, "diff", 
Ggit.AttributeCheckFlags.FILE_THEN_INDEX);
+               } catch {}
                if (diffattr != null)
                {
                        var textconv_key = "diff.%s.textconv".printf(diffattr);
@@ -55,11 +59,13 @@ public class TextConv
                        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();
+                               try
+                               {
+                                       var blob = repository.lookup<Ggit.Blob>(oid);
+                                       raw_content = blob.get_raw_content();
+                                       content = get_textconv_content_from_raw(repository, file, 
raw_content);
+                               } catch {}
                        }
-
-                       content = get_textconv_content_from_raw(repository, file, raw_content);
                }
                return content;
        }
@@ -80,23 +86,26 @@ public class TextConv
 
        private static uint8[] textconv(string command, uint8[]? data)
        {
-               var subproc = new Subprocess(STDIN_PIPE | STDOUT_PIPE, command, "/dev/stdin");
+               string lines = "";
+               try
+               {
+                       var subproc = new Subprocess(STDIN_PIPE | STDOUT_PIPE, command, "/dev/stdin");
 
-               var input = new MemoryInputStream.from_data(data, GLib.free);
+                       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);
+                       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);
+                       string? line = null;
+                       do {
+                               line = output.read_line();
+                               if (line != null) {
+                                       line = line.replace("\f", "");
+                                       lines += line+"\n";
+                               }
+                       } while (line != null);
+               } catch {}
                return lines.data;
        }
 }