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25 Sun, 01 May 2016 01:24:43 -0000
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26 From: David Bremner <david@tethera.net>
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27 To: notmuch@notmuchmail.org
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28 Subject: [Patch v3 08/11] CLI: optionally restore config data.
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29 Date: Sat, 30 Apr 2016 22:24:36 -0300
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30 Message-Id: <1462065879-29860-9-git-send-email-david@tethera.net>
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31 X-Mailer: git-send-email 2.8.0.rc3
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32 In-Reply-To: <1462065879-29860-1-git-send-email-david@tethera.net>
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33 References: <1462065879-29860-1-git-send-email-david@tethera.net>
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34 X-BeenThere: notmuch@notmuchmail.org
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37 List-Id: "Use and development of the notmuch mail system."
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38 <notmuch.notmuchmail.org>
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48 The default to restore config data seems safest, especially since
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49 currently we have no config data to mess up.
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51 doc/man1/notmuch-restore.rst | 18 +++++++++++++++
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52 notmuch-restore.c | 53 ++++++++++++++++++++++++++++++++++++++++++++
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53 test/T590-libconfig.sh | 11 +++++++++
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54 3 files changed, 82 insertions(+)
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56 diff --git a/doc/man1/notmuch-restore.rst b/doc/man1/notmuch-restore.rst
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57 index 362e262..87fa22e 100644
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58 --- a/doc/man1/notmuch-restore.rst
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59 +++ b/doc/man1/notmuch-restore.rst
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60 @@ -50,6 +50,24 @@ Supported options for **restore** include
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61 format, this heuristic, based the fact that batch-tag format
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62 contains no parentheses, should be accurate.
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64 + ``--include=(config|tags)``
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66 + Control what kind of metadata is restored.
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70 + Restore configuration data to the database. Each configuration line starts
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71 + with "#@ ", followed by a space seperated key-value pair.
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72 + Both key and value are hex encoded if needed.
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76 + Output per-message metadata, namely tags. See *format* above
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79 + The default is to restore both tags and configuration
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82 ``--input=``\ <filename>
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83 Read input from given file instead of stdin.
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85 diff --git a/notmuch-restore.c b/notmuch-restore.c
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86 index 9abc64f..e06fbde 100644
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87 --- a/notmuch-restore.c
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88 +++ b/notmuch-restore.c
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90 #include "string-util.h"
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91 #include "zlib-extra.h"
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94 +process_config_line(notmuch_database_t *notmuch, const char* line){
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95 + const char *key_p, *val_p;
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97 + size_t key_len,val_len;
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98 + const char *delim=" \t\n";
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99 + int ret = EXIT_FAILURE;
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101 + void *local = talloc_new(NULL);
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103 + key_p = strtok_len_c(line, delim, &key_len);
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104 + val_p = strtok_len_c(key_p+key_len, delim, &val_len);
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106 + key = talloc_strndup(local, key_p, key_len);
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107 + val = talloc_strndup(local, val_p, val_len);
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108 + if (hex_decode_inplace (key) != HEX_SUCCESS ||
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109 + hex_decode_inplace (val) != HEX_SUCCESS ) {
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110 + fprintf (stderr, "hex decoding failure on line %s\n", line);
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114 + if (print_status_database ("notmuch restore", notmuch,
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115 + notmuch_database_set_config (notmuch, key, val)))
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118 + ret = EXIT_SUCCESS;
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121 + talloc_free (local);
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125 static regex_t regex;
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127 /* Non-zero return indicates an error in retrieving the message,
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128 @@ -137,6 +169,7 @@ notmuch_restore_command (notmuch_config_t *config, int argc, char *argv[])
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133 int input_format = DUMP_FORMAT_AUTO;
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135 if (notmuch_database_open (notmuch_config_get_database_path (config),
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136 @@ -152,6 +185,10 @@ notmuch_restore_command (notmuch_config_t *config, int argc, char *argv[])
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137 { "batch-tag", DUMP_FORMAT_BATCH_TAG },
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138 { "sup", DUMP_FORMAT_SUP },
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140 + { NOTMUCH_OPT_KEYWORD_FLAGS, &include, "include", 'I',
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141 + (notmuch_keyword_t []){ { "config", DUMP_INCLUDE_CONFIG },
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142 + { "tags", DUMP_INCLUDE_TAGS} } },
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144 { NOTMUCH_OPT_STRING, &input_file_name, "input", 'i', 0 },
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145 { NOTMUCH_OPT_BOOLEAN, &accumulate, "accumulate", 'a', 0 },
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146 { NOTMUCH_OPT_INHERIT, (void *) ¬much_shared_options, NULL, 0, 0 },
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147 @@ -167,6 +204,10 @@ notmuch_restore_command (notmuch_config_t *config, int argc, char *argv[])
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148 notmuch_process_shared_options (argv[0]);
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149 notmuch_exit_if_unmatched_db_uuid (notmuch);
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151 + if (include == 0) {
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152 + include = DUMP_INCLUDE_CONFIG | DUMP_INCLUDE_TAGS;
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155 name_for_error = input_file_name ? input_file_name : "stdin";
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158 @@ -225,11 +266,23 @@ notmuch_restore_command (notmuch_config_t *config, int argc, char *argv[])
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159 ret = EXIT_FAILURE;
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163 + if ((include & DUMP_INCLUDE_CONFIG) && line_len >= 2 && line[0] == '#' && line[1] == '@') {
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164 + ret = process_config_line(notmuch, line+2);
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169 } while ((line_len == 0) ||
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170 (line[0] == '#') ||
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171 /* the cast is safe because we checked about for line_len < 0 */
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172 (strspn (line, " \t\n") == (unsigned)line_len));
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174 + if (! (include & DUMP_INCLUDE_TAGS)) {
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175 + ret = EXIT_SUCCESS;
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180 for (p = line; (input_format == DUMP_FORMAT_AUTO) && *p; p++) {
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182 diff --git a/test/T590-libconfig.sh b/test/T590-libconfig.sh
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183 index 5ea5300..9c1e566 100755
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184 --- a/test/T590-libconfig.sh
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185 +++ b/test/T590-libconfig.sh
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186 @@ -132,4 +132,15 @@ cat <<'EOF' >EXPECTED
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188 test_expect_equal_file EXPECTED OUTPUT
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190 +test_begin_subtest "restore config"
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191 +notmuch dump --include=config >EXPECTED
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192 +cat c_head - c_tail <<'EOF' | test_C ${MAIL_DIR}
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194 + RUN(notmuch_database_set_config (db, "testkey1", "mutatedvalue"));
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197 +notmuch restore --include=config <EXPECTED
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198 +notmuch dump --include=config >OUTPUT
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199 +test_expect_equal_file EXPECTED OUTPUT
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