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Make sure /var/tmp is not on tmpfs

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Apps may rely on /var/tmp not being in ram, for instance when
downloading large files. See for instance:

  http://0pointer.net/blog/projects/tmp.html

We make /var/tmp point to ~/.var/app/cache/tmp so that each app get
its own instane, and so that its cleared whe removing xdg-cache-dir
for the app.
This commit is contained in:
Alexander Larsson
2017-01-16 13:01:57 +01:00
parent c4f0f3245d
commit 8152331bd0
1 changed files with 6 additions and 0 deletions
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6
common/flatpak-run.c
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@@ -2829,6 +2829,7 @@ flatpak_ensure_data_dir (const char *app_id,
g_autoptr(GFile) dir = flatpak_get_data_dir (app_id);
g_autoptr(GFile) data_dir = g_file_get_child (dir, "data");
g_autoptr(GFile) cache_dir = g_file_get_child (dir, "cache");
g_autoptr(GFile) tmp_dir = g_file_get_child (cache_dir, "tmp");
g_autoptr(GFile) config_dir = g_file_get_child (dir, "config");
if (!flatpak_mkdir_p (data_dir, cancellable, error))
@@ -2837,6 +2838,9 @@ flatpak_ensure_data_dir (const char *app_id,
if (!flatpak_mkdir_p (cache_dir, cancellable, error))
return NULL;
if (!flatpak_mkdir_p (tmp_dir, cancellable, error))
return NULL;
if (!flatpak_mkdir_p (config_dir, cancellable, error))
return NULL;
@@ -3797,6 +3801,7 @@ flatpak_run_setup_base_argv (GPtrArray *argv_array,
if (app_id_dir != NULL)
{
g_autoptr(GFile) app_cache_dir = g_file_get_child (app_id_dir, "cache");
g_autoptr(GFile) app_tmp_dir = g_file_get_child (app_cache_dir, "tmp");
g_autoptr(GFile) app_data_dir = g_file_get_child (app_id_dir, "data");
g_autoptr(GFile) app_config_dir = g_file_get_child (app_id_dir, "config");
@@ -3805,6 +3810,7 @@ flatpak_run_setup_base_argv (GPtrArray *argv_array,
"--bind", flatpak_file_get_path_cached (app_cache_dir), "/var/cache",
"--bind", flatpak_file_get_path_cached (app_data_dir), "/var/data",
"--bind", flatpak_file_get_path_cached (app_config_dir), "/var/config",
"--bind", flatpak_file_get_path_cached (app_tmp_dir), "/var/tmp",
NULL);
}