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PhabricatorSQLPatchList.php
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Created
Thu, Sep 12, 09:41
Size
5 KB
Mime Type
text/x-php
Expires
Sat, Sep 14, 09:41 (1 d, 22 h)
Engine
blob
Format
Raw Data
Handle
20721639
Attached To
rPH Phabricator
PhabricatorSQLPatchList.php
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<?php
/*
* Copyright 2012 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
abstract
class
PhabricatorSQLPatchList
{
abstract
function
getNamespace
();
abstract
function
getPatches
();
final
public
static
function
buildAllPatches
()
{
$patch_lists
=
id
(
new
PhutilSymbolLoader
())
->
setAncestorClass
(
'PhabricatorSQLPatchList'
)
->
setConcreteOnly
(
true
)
->
selectAndLoadSymbols
();
$specs
=
array
();
$seen_namespaces
=
array
();
foreach
(
$patch_lists
as
$patch_class
)
{
$patch_class
=
$patch_class
[
'name'
];
$patch_list
=
newv
(
$patch_class
,
array
());
$namespace
=
$patch_list
->
getNamespace
();
if
(
isset
(
$seen_namespaces
[
$namespace
]))
{
$prior
=
$seen_namespaces
[
$namespace
];
throw
new
Exception
(
"PatchList '{$patch_class}' has the same namespace, '{$namespace}', "
.
"as another patch list class, '{$prior}'. Each patch list MUST have "
.
"a unique namespace."
);
}
$last_key
=
null
;
foreach
(
$patch_list
->
getPatches
()
as
$key
=>
$patch
)
{
if
(!
is_array
(
$patch
))
{
throw
new
Exception
(
"PatchList '{$patch_class}' has a patch '{$key}' which is not "
.
"an array."
);
}
$valid
=
array
(
'type'
=>
true
,
'name'
=>
true
,
'after'
=>
true
,
'legacy'
=>
true
,
);
foreach
(
$patch
as
$pkey
=>
$pval
)
{
if
(
empty
(
$valid
[
$pkey
]))
{
throw
new
Exception
(
"PatchList '{$patch_class}' has a patch, '{$key}', with an "
.
"unknown property, '{$pkey}'. Patches must have only valid "
.
"keys: "
.
implode
(
', '
,
array_keys
(
$valid
)).
'.'
);
}
}
if
(
is_numeric
(
$key
))
{
throw
new
Exception
(
"PatchList '{$patch_class}' has a patch with a numeric key, "
.
"'{$key}'. Patches must use string keys."
);
}
if
(
strpos
(
$key
,
':'
)
!==
false
)
{
throw
new
Exception
(
"PatchList '{$patch_class}' has a patch with a colon in the "
.
"key name, '{$key}'. Patch keys may not contain colons."
);
}
$full_key
=
"{$namespace}:{$key}"
;
if
(
isset
(
$specs
[
$full_key
]))
{
throw
new
Exception
(
"PatchList '{$patch_class}' has a patch '{$key}' which "
.
"duplicates an existing patch key."
);
}
$patch
[
'key'
]
=
$key
;
$patch
[
'fullKey'
]
=
$full_key
;
if
(
isset
(
$patch
[
'legacy'
]))
{
if
(
$namespace
!=
'phabricator'
)
{
throw
new
Exception
(
"Only patches in the 'phabricator' namespace may contain "
.
"'legacy' keys."
);
}
}
else
{
$patch
[
'legacy'
]
=
false
;
}
if
(!
array_key_exists
(
'after'
,
$patch
))
{
if
(
$last_key
===
null
)
{
throw
new
Exception
(
"Patch '{$full_key}' is missing key 'after', and is the first "
.
"patch in the patch list '{$patch_class}', so its application "
.
"order can not be determined implicitly. The first patch in a "
.
"patch list must list the patch or patches it depends on "
.
"explicitly."
);
}
else
{
$patch
[
'after'
]
=
array
(
$last_key
);
}
}
$last_key
=
$full_key
;
foreach
(
$patch
[
'after'
]
as
$after_key
=>
$after
)
{
if
(
strpos
(
$after
,
':'
)
===
false
)
{
$patch
[
'after'
][
$after_key
]
=
$namespace
.
':'
.
$after
;
}
}
$type
=
idx
(
$patch
,
'type'
);
if
(!
$type
)
{
throw
new
Exception
(
"Patch '{$namespace}:{$key}' is missing key 'type'. Every patch "
.
"must have a type."
);
}
switch
(
$type
)
{
case
'db'
:
case
'sql'
:
case
'php'
:
break
;
default
:
throw
new
Exception
(
"Patch '{$namespace}:{$key}' has unknown patch type '{$type}'."
);
}
$specs
[
$full_key
]
=
$patch
;
}
}
foreach
(
$specs
as
$key
=>
$patch
)
{
foreach
(
$patch
[
'after'
]
as
$after
)
{
if
(
empty
(
$specs
[
$after
]))
{
throw
new
Exception
(
"Patch '{$key}' references nonexistent dependency, '{$after}'. "
.
"Patches may only depend on patches which actually exist."
);
}
}
}
$patches
=
array
();
foreach
(
$specs
as
$full_key
=>
$spec
)
{
$patches
[
$full_key
]
=
new
PhabricatorStoragePatch
(
$spec
);
}
// TODO: Detect cycles?
return
$patches
;
}
}
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