On Fri, May 07 2021, Tomi Ollila wrote:
> On Fri, May 07 2021, David Bremner wrote:
>
>> 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.
>> ---
>> lib/config.cc | 22 +++++++++++++++++++++-
>> test/T030-config.sh | 6 +++---
>> test/T050-new.sh | 1 -
>> 3 files changed, 24 insertions(+), 5 deletions(-)
>>
>> diff --git a/lib/config.cc b/lib/config.cc
>> index 50bcf6a2..e08c6bf7 100644
>> --- a/lib/config.cc
>> +++ b/lib/config.cc
>> @@ -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] != '/')
>
> check val[0] first then one does not need to waste time scanning
> through all the other possible values for 'key'. that is trivial
> "optimization", other possible but not worth the effort...
Forget this suggestion; changing order makes things worse -- probably
in values of other keys than these checked don't start with '/' so
there would be one extra check in most of the cases...
Tomi
>
>> + 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;
>> }
>> diff --git a/test/T030-config.sh b/test/T030-config.sh
>> index b22d8f29..7a1660e9 100755
>> --- a/test/T030-config.sh
>> +++ b/test/T030-config.sh
>> @@ -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
>> diff --git a/test/T050-new.sh b/test/T050-new.sh
>> index 5faf6839..33ad7f5a 100755
>> --- a/test/T050-new.sh
>> +++ b/test/T050-new.sh
>> @@ -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
>> --
>> 2.30.2
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