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lib/config: canonicalize paths relative to $HOME.

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Prior to 0.32, notmuch had the (undocumented) behaviour that it
expanded a relative value of database.path with respect to $HOME. In
0.32 this was special cased for database.path but broken for
database.mail_root, which causes problems for at least notmuch-new
when database.path is set to a relative path.

The change in T030-config.sh reflects a user visible, but hopefully
harmless behaviour change; the expanded form of the paths will now be
printed by notmuch config.
This commit is contained in:
David Bremner 2021-05-06 21:16:38 -03:00
parent ef0b126619
commit 31098c4ae4
3 changed files with 24 additions and 5 deletions
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22
lib/config.cc
View file

@ -387,6 +387,23 @@ notmuch_config_pairs_destroy (notmuch_config_pairs_t *pairs)
talloc_free (pairs);
}
static char *
_expand_path (void *ctx, const char *key, const char *val)
{
char *expanded_val;
if ((strcmp (key, "database.path") == 0 ||
strcmp (key, "database.mail_root") == 0 ||
strcmp (key, "database.hook_dir") == 0 ||
strcmp (key, "database.backup_path") == 0 ) &&
val[0] != '/')
expanded_val = talloc_asprintf (ctx, "%s/%s", getenv ("HOME"), val);
else
expanded_val = talloc_strdup (ctx, val);
return expanded_val;
}
notmuch_status_t
_notmuch_config_load_from_file (notmuch_database_t *notmuch,
GKeyFile *file)
@ -407,14 +424,17 @@ _notmuch_config_load_from_file (notmuch_database_t *notmuch,
keys = g_key_file_get_keys (file, *grp, NULL, NULL);
for (gchar **keys_p = keys; *keys_p; keys_p++) {
char *absolute_key = talloc_asprintf (notmuch, "%s.%s", *grp, *keys_p);
char *normalized_val;
val = g_key_file_get_value (file, *grp, *keys_p, NULL);
if (! val) {
status = NOTMUCH_STATUS_FILE_ERROR;
goto DONE;
}
_notmuch_string_map_set (notmuch->config, absolute_key, val);
normalized_val = _expand_path (notmuch, absolute_key, val);
_notmuch_string_map_set (notmuch->config, absolute_key, normalized_val);
g_free (val);
talloc_free (absolute_key);
talloc_free (normalized_val);
if (status)
goto DONE;
}

6
test/T030-config.sh
View file

@ -117,12 +117,12 @@ test_expect_equal "$(notmuch config get database.path)" \
ln -s `pwd`/mail home/Maildir
add_email_corpus
test_begin_subtest "Relative database path expanded in open"
test_begin_subtest "Relative database path expanded"
notmuch config set database.path Maildir
path=$(notmuch config get database.path)
path=$(notmuch config get database.path | notmuch_dir_sanitize)
count=$(notmuch count '*')
test_expect_equal "${path} ${count}" \
"Maildir 52"
"CWD/home/Maildir 52"
test_begin_subtest "Add config to database"
notmuch new

1
test/T050-new.sh
View file

@ -395,7 +395,6 @@ EOF
test_expect_equal_file EXPECTED OUTPUT
test_begin_subtest "Relative database path expanded in new"
test_subtest_known_broken
ln -s "$PWD/mail" home/Maildir
notmuch config set database.path Maildir
generate_message