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From: David Bremner <david@tethera.net>
To: notmuch@notmuchmail.org
Cc: David Bremner <david@tethera.net>
Subject: [PATCH 20/21] lib/config: add configuration variable for backup directory
Date: Wed, 17 Feb 2021 16:10:44 -0400	[thread overview]
Message-ID: <20210217201045.2021106-21-david@tethera.net> (raw)
In-Reply-To: <20210217201045.2021106-1-david@tethera.net>

Like the hook directory, we primarily need a way to communicate this
directory between various components, but we may as well let the user
configure it.
---
 lib/config.cc          |  3 +++
 lib/notmuch.h          |  1 +
 lib/open.cc            | 47 ++++++++++++++++++++++++++++--------------
 test/T590-libconfig.sh |  1 +
 4 files changed, 37 insertions(+), 15 deletions(-)

diff --git a/lib/config.cc b/lib/config.cc
index 3b8f1092..32ed6f8f 100644
--- a/lib/config.cc
+++ b/lib/config.cc
@@ -394,6 +394,8 @@ _notmuch_config_key_to_string (notmuch_config_key_t key) {
 	return "database.mail_root";
     case NOTMUCH_CONFIG_HOOK_DIR:
 	return "database.hook_dir";
+    case NOTMUCH_CONFIG_BACKUP_DIR:
+	return "database.backup_dir";
     case NOTMUCH_CONFIG_EXCLUDE_TAGS:
 	return "search.exclude_tags";
     case NOTMUCH_CONFIG_NEW_TAGS:
@@ -436,6 +438,7 @@ _notmuch_config_default (notmuch_database_t *notmuch, notmuch_config_key_t key)
     case NOTMUCH_CONFIG_SYNC_MAILDIR_FLAGS:
 	return "true";
     case NOTMUCH_CONFIG_HOOK_DIR:
+    case NOTMUCH_CONFIG_BACKUP_DIR:
     case NOTMUCH_CONFIG_NEW_IGNORE:
     case NOTMUCH_CONFIG_USER_NAME:
     case NOTMUCH_CONFIG_PRIMARY_EMAIL:
diff --git a/lib/notmuch.h b/lib/notmuch.h
index 374d3af9..5e4f1dac 100644
--- a/lib/notmuch.h
+++ b/lib/notmuch.h
@@ -2475,6 +2475,7 @@ typedef enum _notmuch_config_key {
     NOTMUCH_CONFIG_DATABASE_PATH = NOTMUCH_CONFIG_FIRST,
     NOTMUCH_CONFIG_MAIL_ROOT,
     NOTMUCH_CONFIG_HOOK_DIR,
+    NOTMUCH_CONFIG_BACKUP_DIR,
     NOTMUCH_CONFIG_EXCLUDE_TAGS,
     NOTMUCH_CONFIG_NEW_TAGS,
     NOTMUCH_CONFIG_NEW_IGNORE,
diff --git a/lib/open.cc b/lib/open.cc
index 4324deae..e5ef351e 100644
--- a/lib/open.cc
+++ b/lib/open.cc
@@ -71,39 +71,43 @@ _xdg_dir (void *ctx,
 }
 
 static notmuch_status_t
-_choose_hook_dir (notmuch_database_t *notmuch,
-		  const char *profile,
-		  char **message)
+_choose_dir (notmuch_database_t *notmuch,
+	     const char *profile,
+	     notmuch_config_key_t key,
+	     const char *xdg_var,
+	     const char *xdg_subdir,
+	     const char *subdir,
+	     char **message = NULL)
 {
-    const char *config;
-    const char *hook_dir;
+    const char *parent;
+    const char *dir;
     struct stat st;
     int err;
 
-    hook_dir = notmuch_config_get (notmuch, NOTMUCH_CONFIG_HOOK_DIR);
+    dir = notmuch_config_get (notmuch, key);
 
-    if (hook_dir)
+    if (dir)
 	return NOTMUCH_STATUS_SUCCESS;
 
-    config = _xdg_dir (notmuch, "XDG_CONFIG_HOME", ".config", profile);
-    if (! config)
+    parent = _xdg_dir (notmuch, xdg_var, xdg_subdir, profile);
+    if (! parent)
 	return  NOTMUCH_STATUS_PATH_ERROR;
 
-    hook_dir = talloc_asprintf (notmuch, "%s/hooks", config);
+    dir = talloc_asprintf (notmuch, "%s/%s", parent, subdir);
 
-    err = stat (hook_dir, &st);
+    err = stat (dir, &st);
     if (err) {
 	if (errno == ENOENT) {
 	    char *notmuch_path = dirname (talloc_strdup (notmuch, notmuch->xapian_path));
-	    hook_dir = talloc_asprintf (notmuch, "%s/hooks", notmuch_path);
+            dir = talloc_asprintf (notmuch, "%s/%s", notmuch_path, subdir);
 	} else {
 	    IGNORE_RESULT (asprintf (message, "Error: Cannot stat %s: %s.\n",
-				     hook_dir, strerror (errno)));
+				     dir, strerror (errno)));
 	    return NOTMUCH_STATUS_FILE_ERROR;
 	}
     }
 
-    _notmuch_config_cache (notmuch, NOTMUCH_CONFIG_HOOK_DIR, hook_dir);
+    _notmuch_config_cache (notmuch, key, dir);
 
     return NOTMUCH_STATUS_SUCCESS;
 }
@@ -413,10 +417,23 @@ _finish_open (notmuch_database_t *notmuch,
 	if (status)
 	    goto DONE;
 
-	status = _choose_hook_dir (notmuch, profile, &message);
+	status = _choose_dir (notmuch, profile,
+			      NOTMUCH_CONFIG_HOOK_DIR,
+			      "XDG_CONFIG_HOME",
+			      ".config",
+			      "hooks",
+			      &message);
 	if (status)
 	    goto DONE;
 
+	status = _choose_dir (notmuch, profile,
+			      NOTMUCH_CONFIG_BACKUP_DIR,
+			      "XDG_DATA_HOME",
+			      ".local/share",
+			      "backups",
+			      &message);
+        if (status)
+            goto DONE;
 	status = _notmuch_config_load_defaults (notmuch);
 	if (status)
 	    goto DONE;
diff --git a/test/T590-libconfig.sh b/test/T590-libconfig.sh
index c21c139b..310668a9 100755
--- a/test/T590-libconfig.sh
+++ b/test/T590-libconfig.sh
@@ -366,6 +366,7 @@ cat <<'EOF' >EXPECTED
 MAIL_DIR
 MAIL_DIR
 MAIL_DIR/.notmuch/hooks
+MAIL_DIR/.notmuch/backups
 
 inbox;unread
 NULL
-- 
2.30.0

  parent reply	other threads:[~2021-02-17 20:11 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-17 20:10 v2 flexible database location David Bremner
2021-02-17 20:10 ` [PATCH 01/21] lib: publish API for notmuch_database_reopen David Bremner
2021-02-17 20:10 ` [PATCH 02/21] lib: save path of xapian database in notmuch struct David Bremner
2021-02-17 20:10 ` [PATCH 03/21] lib: support reopening databases for write access David Bremner
2021-02-17 20:10 ` [PATCH 04/21] CLI/show: complete conversion to new configuration framework David Bremner
2021-02-17 20:10 ` [PATCH 05/21] lib/open: support NOTMUCH_DATABASE environment variable David Bremner
2021-02-17 20:10 ` [PATCH 06/21] lib/open: allocate notmuch_t struct early David Bremner
2021-02-17 20:10 ` [PATCH 07/21] lib: remove "path" from notmuch struct David Bremner
2021-02-17 20:10 ` [PATCH 08/21] lib/open: factor out library initialization David Bremner
2021-02-17 20:10 ` [PATCH 09/21] lib/open: reuse directory checks from n_d_c_with_config David Bremner
2021-02-17 20:10 ` [PATCH 10/21] lib/open: factor out the second half of n_d_open_with_config David Bremner
2021-02-17 20:10 ` [PATCH 11/21] lib/open: use _finish_open in n_d_create_with_config David Bremner
2021-02-17 20:10 ` [PATCH 12/21] lib/open: Use check for existing database by trial opening David Bremner
2021-02-17 20:10 ` [PATCH 13/21] support splitting mail from database location David Bremner
2021-02-17 20:10 ` [PATCH 14/21] lib/open: check for split configuration when creating database David Bremner
2021-02-17 20:10 ` [PATCH 15/21] CLI/new: support split database and mail location David Bremner
2021-02-17 20:10 ` [PATCH 16/21] lib/open: support XDG_DATA_HOME as a fallback database location David Bremner
2021-02-17 20:10 ` [PATCH 17/21] CLI/insert: support split database and mail root David Bremner
2021-02-17 20:10 ` [PATCH 18/21] lib/compact: enable split config David Bremner
2021-02-17 20:10 ` [PATCH 19/21] lib/open: fix hook directory calculation in split configuration David Bremner
2021-02-17 20:10 ` David Bremner [this message]
2021-02-17 20:10 ` [PATCH 21/21] CLI/new: use configuration variable for backup directory David Bremner
2021-03-06 18:40 ` Notmuch and backups Matt Armstrong
2021-03-07 17:51   ` David Bremner

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