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authorErich Eckner <git@eckner.net>2018-06-13 16:22:08 +0200
committerErich Eckner <git@eckner.net>2018-06-13 16:22:08 +0200
commit1433976802baf67c89038d699d0a50522bc138cc (patch)
tree10c3b0adb34c644fdbeaf20a2a09b925c495987c /lib/common-functions
parentd7d699efe7941f626617e952fb8ecf057f493ec8 (diff)
downloadbuilder-1433976802baf67c89038d699d0a50522bc138cc.tar.xz
lib/common-functions: recompress_gz() new to recompress databases before sending, so they are transferred faster by rsync
Diffstat (limited to 'lib/common-functions')
-rwxr-xr-xlib/common-functions20
1 files changed, 20 insertions, 0 deletions
diff --git a/lib/common-functions b/lib/common-functions
index d8da4a7..aa78ebd 100755
--- a/lib/common-functions
+++ b/lib/common-functions
@@ -758,3 +758,23 @@ verbose_flock() {
return ${err}
}
}
+
+# recompress_gz $tmp_dir $file1.gz $file2.gz ...
+# recompress the given file(s) to make them rsync friendly
+recompress_gz() {
+ tmp_file=$(
+ mktemp "$1/recompress_gz.XXXXXXXX)"
+ )
+ shift
+ local file
+ for file in "$@"; do
+ if [ ! -f "${file}" ]; then
+ continue
+ fi
+ mv "${file}" "${tmp_file}"
+ zcat "${tmp_file}" | \
+ gzip --best --rsyncable > \
+ "${file}"
+ done
+ rm "${tmp_file}"
+}