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-rw-r--r--INSTALL20
-rw-r--r--Makefile.local2
-rwxr-xr-xconfigure28
-rw-r--r--doc/man1/notmuch-dump.rst3
-rw-r--r--notmuch-client.h4
-rw-r--r--notmuch-dump.c101
-rwxr-xr-xtest/T240-dump-restore.sh12
7 files changed, 142 insertions, 28 deletions
diff --git a/INSTALL b/INSTALL
index 690b0efd..b543c508 100644
--- a/INSTALL
+++ b/INSTALL
@@ -20,8 +20,8 @@ configure stage.
Dependencies
------------
-Notmuch depends on three libraries: Xapian, GMime 2.4 or 2.6, and
-Talloc which are each described below:
+Notmuch depends on four libraries: Xapian, GMime 2.4 or 2.6,
+Talloc, and zlib which are each described below:
Xapian
------
@@ -60,6 +60,18 @@ Talloc which are each described below:
Talloc is available from http://talloc.samba.org/
+ zlib
+ ----
+
+ zlib is an extremely popular compression library. It is used
+ by Xapian, so if you installed that you will already have
+ zlib. You may need to install the zlib headers separately.
+
+ Notmuch needs the transparent write feature of zlib introduced
+ in version 1.2.5.2 (Dec. 2011).
+
+ zlib is available from http://zlib.net
+
Building Documentation
----------------------
@@ -79,11 +91,11 @@ dependencies with a simple simple command line. For example:
For Debian and similar:
- sudo apt-get install libxapian-dev libgmime-2.6-dev libtalloc-dev python-sphinx
+ sudo apt-get install libxapian-dev libgmime-2.6-dev libtalloc-dev zlib1g-dev python-sphinx
For Fedora and similar:
- sudo yum install xapian-core-devel gmime-devel libtalloc-devel python-sphinx
+ sudo yum install xapian-core-devel gmime-devel libtalloc-devel zlib-devel python-sphinx
On other systems, a similar command can be used, but the details of
the package names may be different.
diff --git a/Makefile.local b/Makefile.local
index 1856350e..877a9790 100644
--- a/Makefile.local
+++ b/Makefile.local
@@ -46,7 +46,7 @@ PV_FILE=bindings/python/notmuch/version.py
# Smash together user's values with our extra values
FINAL_CFLAGS = -DNOTMUCH_VERSION=$(VERSION) $(CPPFLAGS) $(CFLAGS) $(WARN_CFLAGS) $(extra_cflags) $(CONFIGURE_CFLAGS)
FINAL_CXXFLAGS = $(CPPFLAGS) $(CXXFLAGS) $(WARN_CXXFLAGS) $(extra_cflags) $(extra_cxxflags) $(CONFIGURE_CXXFLAGS)
-FINAL_NOTMUCH_LDFLAGS = $(LDFLAGS) -Lutil -lutil -Llib -lnotmuch $(AS_NEEDED_LDFLAGS) $(GMIME_LDFLAGS) $(TALLOC_LDFLAGS)
+FINAL_NOTMUCH_LDFLAGS = $(LDFLAGS) -Lutil -lutil -Llib -lnotmuch $(AS_NEEDED_LDFLAGS) $(GMIME_LDFLAGS) $(TALLOC_LDFLAGS) $(ZLIB_LDFLAGS)
FINAL_NOTMUCH_LINKER = CC
ifneq ($(LINKER_RESOLVES_LIBRARY_DEPENDENCIES),1)
FINAL_NOTMUCH_LDFLAGS += $(CONFIGURE_LDFLAGS)
diff --git a/configure b/configure
index 09f4650c..b8a3ce76 100755
--- a/configure
+++ b/configure
@@ -340,6 +340,18 @@ else
errors=$((errors + 1))
fi
+printf "Checking for zlib (>= 1.2.5.2)... "
+have_zlib=0
+if pkg-config --atleast-version=1.2.5.2 zlib; then
+ printf "Yes.\n"
+ have_zlib=1
+ zlib_cflags=$(pkg-config --cflags zlib)
+ zlib_ldflags=$(pkg-config --libs zlib)
+else
+ printf "No.\n"
+ errors=$((errors + 1))
+fi
+
printf "Checking for talloc development files... "
if pkg-config --exists talloc; then
printf "Yes.\n"
@@ -496,6 +508,11 @@ EOF
echo " Xapian library (including development files such as headers)"
echo " http://xapian.org/"
fi
+ if [ $have_zlib -eq 0 ]; then
+ echo " zlib library (>= version 1.2.5.2, including development files such as headers)"
+ echo " http://zlib.net/"
+ echo
+ fi
if [ $have_gmime -eq 0 ]; then
echo " Either GMime 2.4 library" $GMIME_24_VERSION_CTR "or GMime 2.6 library" $GMIME_26_VERSION_CTR
echo " (including development files such as headers)"
@@ -519,11 +536,11 @@ case a simple command will install everything you need. For example:
On Debian and similar systems:
- sudo apt-get install libxapian-dev libgmime-2.6-dev libtalloc-dev
+ sudo apt-get install libxapian-dev libgmime-2.6-dev libtalloc-dev zlib1g-dev
Or on Fedora and similar systems:
- sudo yum install xapian-core-devel gmime-devel libtalloc-devel
+ sudo yum install xapian-core-devel gmime-devel libtalloc-devel zlib-devel
On other systems, similar commands can be used, but the details of the
package names may be different.
@@ -860,6 +877,10 @@ XAPIAN_LDFLAGS = ${xapian_ldflags}
GMIME_CFLAGS = ${gmime_cflags}
GMIME_LDFLAGS = ${gmime_ldflags}
+# Flags needed to compile and link against zlib
+ZLIB_CFLAGS = ${zlib_cflags}
+ZLIB_LDFLAGS = ${zlib_ldflags}
+
# Flags needed to compile and link against talloc
TALLOC_CFLAGS = ${talloc_cflags}
TALLOC_LDFLAGS = ${talloc_ldflags}
@@ -898,6 +919,7 @@ CONFIGURE_CFLAGS = -DHAVE_GETLINE=\$(HAVE_GETLINE) \$(GMIME_CFLAGS) \\
-DUTIL_BYTE_ORDER=\$(UTIL_BYTE_ORDER)
CONFIGURE_CXXFLAGS = -DHAVE_GETLINE=\$(HAVE_GETLINE) \$(GMIME_CFLAGS) \\
+ \$(ZLIB_CFLAGS) \\
\$(TALLOC_CFLAGS) -DHAVE_VALGRIND=\$(HAVE_VALGRIND) \\
\$(VALGRIND_CFLAGS) \$(XAPIAN_CXXFLAGS) \\
-DHAVE_STRCASESTR=\$(HAVE_STRCASESTR) \\
@@ -908,5 +930,5 @@ CONFIGURE_CXXFLAGS = -DHAVE_GETLINE=\$(HAVE_GETLINE) \$(GMIME_CFLAGS) \\
-DHAVE_XAPIAN_COMPACT=\$(HAVE_XAPIAN_COMPACT) \\
-DUTIL_BYTE_ORDER=\$(UTIL_BYTE_ORDER)
-CONFIGURE_LDFLAGS = \$(GMIME_LDFLAGS) \$(TALLOC_LDFLAGS) \$(XAPIAN_LDFLAGS)
+CONFIGURE_LDFLAGS = \$(GMIME_LDFLAGS) \$(TALLOC_LDFLAGS) \$(ZLIB_LDFLAGS) \$(XAPIAN_LDFLAGS)
EOF
diff --git a/doc/man1/notmuch-dump.rst b/doc/man1/notmuch-dump.rst
index 17d1da5c..d94cb4f8 100644
--- a/doc/man1/notmuch-dump.rst
+++ b/doc/man1/notmuch-dump.rst
@@ -19,6 +19,9 @@ recreated from the messages themselves. The output of notmuch dump is
therefore the only critical thing to backup (and much more friendly to
incremental backup than the native database files.)
+``--gzip``
+ Compress the output in a format compatible with **gzip(1)**.
+
``--format=(sup|batch-tag)``
Notmuch restore supports two plain text dump formats, both with one
message-id per line, followed by a list of tags.
diff --git a/notmuch-client.h b/notmuch-client.h
index d1106482..e1efbe0c 100644
--- a/notmuch-client.h
+++ b/notmuch-client.h
@@ -450,7 +450,9 @@ typedef enum dump_formats {
int
notmuch_database_dump (notmuch_database_t *notmuch,
const char *output_file_name,
- const char *query_str, dump_format_t output_format);
+ const char *query_str,
+ dump_format_t output_format,
+ notmuch_bool_t gzip_output);
#include "command-line-arguments.h"
#endif
diff --git a/notmuch-dump.c b/notmuch-dump.c
index 21702d79..2849eaba 100644
--- a/notmuch-dump.c
+++ b/notmuch-dump.c
@@ -21,9 +21,11 @@
#include "notmuch-client.h"
#include "hex-escape.h"
#include "string-util.h"
+#include <zlib.h>
+
static int
-database_dump_file (notmuch_database_t *notmuch, FILE *output,
+database_dump_file (notmuch_database_t *notmuch, gzFile output,
const char *query_str, int output_format)
{
notmuch_query_t *query;
@@ -69,7 +71,7 @@ database_dump_file (notmuch_database_t *notmuch, FILE *output,
}
if (output_format == DUMP_FORMAT_SUP) {
- fprintf (output, "%s (", message_id);
+ gzprintf (output, "%s (", message_id);
}
for (tags = notmuch_message_get_tags (message);
@@ -78,12 +80,12 @@ database_dump_file (notmuch_database_t *notmuch, FILE *output,
const char *tag_str = notmuch_tags_get (tags);
if (! first)
- fputs (" ", output);
+ gzputs (output, " ");
first = 0;
if (output_format == DUMP_FORMAT_SUP) {
- fputs (tag_str, output);
+ gzputs (output, tag_str);
} else {
if (hex_encode (notmuch, tag_str,
&buffer, &buffer_size) != HEX_SUCCESS) {
@@ -91,12 +93,12 @@ database_dump_file (notmuch_database_t *notmuch, FILE *output,
tag_str);
return EXIT_FAILURE;
}
- fprintf (output, "+%s", buffer);
+ gzprintf (output, "+%s", buffer);
}
}
if (output_format == DUMP_FORMAT_SUP) {
- fputs (")\n", output);
+ gzputs (output, ")\n");
} else {
if (make_boolean_term (notmuch, "id", message_id,
&buffer, &buffer_size)) {
@@ -104,7 +106,7 @@ database_dump_file (notmuch_database_t *notmuch, FILE *output,
message_id, strerror (errno));
return EXIT_FAILURE;
}
- fprintf (output, " -- %s\n", buffer);
+ gzprintf (output, " -- %s\n", buffer);
}
notmuch_message_destroy (message);
@@ -121,24 +123,83 @@ database_dump_file (notmuch_database_t *notmuch, FILE *output,
int
notmuch_database_dump (notmuch_database_t *notmuch,
const char *output_file_name,
- const char *query_str, dump_format_t output_format)
+ const char *query_str,
+ dump_format_t output_format,
+ notmuch_bool_t gzip_output)
{
- FILE *output = stdout;
- int ret;
+ gzFile output = NULL;
+ const char *mode = gzip_output ? "w9" : "wT";
+ const char *name_for_error = output_file_name ? output_file_name : "stdout";
+
+ char *tempname = NULL;
+ int outfd = -1;
+
+ int ret = -1;
if (output_file_name) {
- output = fopen (output_file_name, "w");
- if (output == NULL) {
- fprintf (stderr, "Error opening %s for writing: %s\n",
- output_file_name, strerror (errno));
- return EXIT_FAILURE;
- }
+ tempname = talloc_asprintf (notmuch, "%s.XXXXXX", output_file_name);
+ outfd = mkstemp (tempname);
+ } else {
+ outfd = dup (STDOUT_FILENO);
+ }
+
+ if (outfd < 0) {
+ fprintf (stderr, "Bad output file %s\n", name_for_error);
+ goto DONE;
+ }
+
+ output = gzdopen (outfd, mode);
+
+ if (output == NULL) {
+ fprintf (stderr, "Error opening %s for (gzip) writing: %s\n",
+ name_for_error, strerror (errno));
+ if (close (outfd))
+ fprintf (stderr, "Error closing %s during shutdown: %s\n",
+ name_for_error, strerror (errno));
+ goto DONE;
}
ret = database_dump_file (notmuch, output, query_str, output_format);
+ if (ret) goto DONE;
+
+ ret = gzflush (output, Z_FINISH);
+ if (ret) {
+ fprintf (stderr, "Error flushing output: %s\n", gzerror (output, NULL));
+ goto DONE;
+ }
+
+ if (output_file_name) {
+ ret = fdatasync (outfd);
+ if (ret) {
+ fprintf (stderr, "Error syncing %s to disk: %s\n",
+ name_for_error, strerror (errno));
+ goto DONE;
+ }
+ }
+
+ if (gzclose_w (output) != Z_OK) {
+ fprintf (stderr, "Error closing %s: %s\n", name_for_error,
+ gzerror (output, NULL));
+ ret = EXIT_FAILURE;
+ output = NULL;
+ goto DONE;
+ }
+
+ if (output_file_name) {
+ ret = rename (tempname, output_file_name);
+ if (ret) {
+ fprintf (stderr, "Error renaming %s to %s: %s\n",
+ tempname, output_file_name, strerror (errno));
+ goto DONE;
+ }
+
+ }
+ DONE:
+ if (ret != EXIT_SUCCESS && output)
+ (void) gzclose_w (output);
- if (output != stdout)
- fclose (output);
+ if (ret != EXIT_SUCCESS && output_file_name)
+ (void) unlink (tempname);
return ret;
}
@@ -158,6 +219,7 @@ notmuch_dump_command (notmuch_config_t *config, int argc, char *argv[])
int opt_index;
int output_format = DUMP_FORMAT_BATCH_TAG;
+ notmuch_bool_t gzip_output = 0;
notmuch_opt_desc_t options[] = {
{ NOTMUCH_OPT_KEYWORD, &output_format, "format", 'f',
@@ -165,6 +227,7 @@ notmuch_dump_command (notmuch_config_t *config, int argc, char *argv[])
{ "batch-tag", DUMP_FORMAT_BATCH_TAG },
{ 0, 0 } } },
{ NOTMUCH_OPT_STRING, &output_file_name, "output", 'o', 0 },
+ { NOTMUCH_OPT_BOOLEAN, &gzip_output, "gzip", 'z', 0 },
{ 0, 0, 0, 0, 0 }
};
@@ -181,7 +244,7 @@ notmuch_dump_command (notmuch_config_t *config, int argc, char *argv[])
}
ret = notmuch_database_dump (notmuch, output_file_name, query_str,
- output_format);
+ output_format, gzip_output);
notmuch_database_destroy (notmuch);
diff --git a/test/T240-dump-restore.sh b/test/T240-dump-restore.sh
index 0004438d..d79aca86 100755
--- a/test/T240-dump-restore.sh
+++ b/test/T240-dump-restore.sh
@@ -68,6 +68,18 @@ test_begin_subtest "dump --output=outfile --"
notmuch dump --output=dump-1-arg-dash.actual --
test_expect_equal_file dump.expected dump-1-arg-dash.actual
+# gzipped output
+
+test_begin_subtest "dump --gzip"
+notmuch dump --gzip > dump-gzip.gz
+gunzip dump-gzip.gz
+test_expect_equal_file dump.expected dump-gzip
+
+test_begin_subtest "dump --gzip --output=outfile"
+notmuch dump --gzip --output=dump-gzip-outfile.gz
+gunzip dump-gzip-outfile.gz
+test_expect_equal_file dump.expected dump-gzip-outfile
+
# Note, we assume all messages from cworth have a message-id
# containing cworth.org
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-18 05:21:39 +0000