[libgit2-glib/wip/albfan/stage-windows] Invalid path resolving relative path on windows

[Alberto Fanjul <albfan src gnome org>]

commit 41a50f8ce834428b0b664bd6e3b4af632e45cf77
Author: Alberto Fanjul <albertofanjul gmail com>
Date:   Tue May 18 08:56:03 2021 +0200

    Invalid path resolving relative path on windows

 libgit2-glib/ggit-index.c | 12 ++++++++++++
 meson.build               |  4 ++++
 meson_options.txt         |  1 +
 3 files changed, 17 insertions(+)
---
diff --git a/libgit2-glib/ggit-index.c b/libgit2-glib/ggit-index.c
index 20cb8cd..02b3313 100644
--- a/libgit2-glib/ggit-index.c
+++ b/libgit2-glib/ggit-index.c
@@ -330,6 +330,7 @@ ggit_index_remove (GgitIndex  *idx,
        gchar *path;
        GgitRepository *repo;
        GFile *wd;
+       GString *gs_path;
 
        g_return_val_if_fail (GGIT_IS_INDEX (idx), FALSE);
        g_return_val_if_fail (G_IS_FILE (file), FALSE);
@@ -341,6 +342,11 @@ ggit_index_remove (GgitIndex  *idx,
        g_object_unref (repo);
 
        path = g_file_get_relative_path (wd, file);
+#ifdef TRANSLATE_WINDOWS_PATHS
+       gs_path = g_string_new (path);
+       g_string_replace (gs_path, "\\", "/", 0);
+       path = g_string_free (gs_path, FALSE);
+#endif
        g_object_unref (wd);
 
        g_return_val_if_fail (path != NULL, FALSE);
@@ -447,6 +453,7 @@ ggit_index_add_file (GgitIndex  *idx,
        GFile *wd;
        gchar *path;
        gint ret;
+       GString *gs_path;
 
        g_return_val_if_fail (GGIT_IS_INDEX (idx), FALSE);
        g_return_val_if_fail (G_IS_FILE (file), FALSE);
@@ -456,6 +463,11 @@ ggit_index_add_file (GgitIndex  *idx,
 
        wd = ggit_repository_get_workdir (repo);
        path = g_file_get_relative_path (wd, file);
+#ifdef TRANSLATE_WINDOWS_PATHS
+       gs_path = g_string_new (path);
+       g_string_replace (gs_path, "\\", "/", 0);
+       path = g_string_free (gs_path, FALSE);
+#endif
 
        g_object_unref (wd);
        g_object_unref (repo);
diff --git a/meson.build b/meson.build
index a36b606..ab37219 100644
--- a/meson.build
+++ b/meson.build
@@ -105,6 +105,10 @@ if get_option('b_ndebug') == 'true'
   common_flags += ['-DG_DISABLE_ASSERT']
 endif
 
+if get_option('translate_windows_paths')
+  common_flags += ['-DTRANSLATE_WINDOWS_PATHS']
+endif
+
 add_project_arguments(common_flags, language: 'c')
 
 if cc.has_link_argument('-Wl,-Bsymbolic-functions')
diff --git a/meson_options.txt b/meson_options.txt
index 90b3188..b7a837b 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -3,3 +3,4 @@ option('introspection', type: 'boolean', value: true, description: 'Enable GObje
 option('python', type: 'boolean', value: true, description: 'Build with python support')
 option('ssh', type: 'boolean', value: true, description: 'Build with libgit2 ssh support')
 option('vapi', type: 'boolean', value: true, description: 'Build Vala bindings')
+option('translate_windows_paths', type: 'boolean', value: true, description: 'Turn windows paths into Unix 
paths')