NEO: add a helper script to easily open a sqlite3 DB with cksumvfs enabled

component/sqlite3/buildout.cfg

@@ -20,6 +20,11 @@ configure-options =
   --with-readline-inc=-I${readline:location}/include
 post-install =
   gcc -I%(location)s/include -fPIC -shared ext/misc/cksumvfs.c -o %(location)s/lib/cksumvfs.so
+  set %(location)s/bin/sqlite3-cksumvfs
+  cat <<TEMPLATE >$1
+  %(cksumvfs)s
+  TEMPLATE
+  chmod +x $1
 # Increase MAX_VARIABLE_NUMBER like many os. For example:
 # https://git.archlinux.org/svntogit/packages.git/tree/trunk/PKGBUILD?h=packages/sqlite
 # NEO needs SQLITE_ENABLE_UPDATE_DELETE_LIMIT to drop partitions.
@@ -27,3 +32,18 @@ environment =
   CPPFLAGS=-I${zlib:location}/include -DSQLITE_MAX_VARIABLE_NUMBER=250000 -DSQLITE_ENABLE_RTREE=1
   LDFLAGS=-Wl,-rpath=@@LOCATION@@/lib -L${readline:location}/lib -Wl,-rpath=${readline:location}/lib -L${zlib:location}/lib -Wl,-rpath=${zlib:location}/lib
   PATH=${tcl:location}/bin:${xz-utils:location}/bin:%(PATH)s
+cksumvfs =
+  #!/bin/sh -e
+  if [ \$# = 0 ]; then
+    x=
+  else
+    [ "\$${1%%-*}" ]; [ -f "\$1" ] # options not supported
+    x=".open \\"\$(printf %s "\$1" |sed 's/[\\\\"]/\\\\\\0/g')\\""
+    shift
+  fi
+  y=/proc/self/fd/3
+  [ ! -e \$y ]
+  exec @@LOCATION@@/bin/sqlite3 -init \$y '' "\$@" 3<<EOF
+  .load cksumvfs.so
+  \$x
+  EOF

software/neoppod/buildout.hash.cfg

@@ -30,7 +30,7 @@ md5sum = 9f27195d770b2f57461c60a82c851ab9
 
 [instance-neo]
 filename = instance-neo.cfg.in
-md5sum = d8a62f4a2b68fe97146871d07a500443
+md5sum = 14322bc623dd84b27f3c0a4bf75bec3f
 
 [template-neo-my-cnf]
 filename = my.cnf.in

software/neoppod/instance-neo.cfg.in

@@ -88,6 +88,12 @@ command = mysql
 {%   endif -%}
 {%   set query_string = urllib.urlencode(extra_dict) -%}
 
+[{{ section('sqlite3-cksumvfs') }}]
+recipe = slapos.recipe.build
+location = ${directory:bin}/sqlite3
+source = {{sqlite3_location}}/bin/${:_buildout_section_name_}
+install = import os; os.symlink(options['source'], location)
+
 {% else -%}
 {% do assert(not storage_count) -%}