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arcanist.php
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#!/usr/bin/env php
<?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.
*/
sanity_check_environment
(
)
;
require_once
dirname
(
__FILE__
)
.
'/__init_script__.php'
;
phutil_require_module
(
'phutil'
,
'conduit/client'
)
;
phutil_require_module
(
'phutil'
,
'console'
)
;
phutil_require_module
(
'phutil'
,
'future/exec'
)
;
phutil_require_module
(
'phutil'
,
'filesystem'
)
;
phutil_require_module
(
'phutil'
,
'symbols'
)
;
phutil_require_module
(
'arcanist'
,
'exception/usage'
)
;
phutil_require_module
(
'arcanist'
,
'configuration'
)
;
phutil_require_module
(
'arcanist'
,
'workingcopyidentity'
)
;
phutil_require_module
(
'arcanist'
,
'repository/api/base'
)
;
ini_set
(
'memory_limit'
,
-
1
)
;
$original_argv
=
$argv
;
$args
=
new
PhutilArgumentParser
(
$argv
)
;
$args
->
parseStandardArguments
(
)
;
$argv
=
$args
->
getUnconsumedArgumentVector
(
)
;
$config_trace_mode
=
$args
->
getArg
(
'trace'
)
;
$force_conduit
=
null
;
$args
=
$argv
;
$load
=
array
(
)
;
$matches
=
null
;
foreach
(
$args
as
$key
=>
$arg
)
{
if
(
$arg
==
'--'
)
{
break
;
}
else
if
(
preg_match
(
'/^--load-phutil-library=(.*)$/'
,
$arg
,
$matches
)
)
{
unset
(
$args
[
$key
]
)
;
$load
[
]
=
$matches
[
1
]
;
}
else
if
(
preg_match
(
'/^--conduit-uri=(.*)$/'
,
$arg
,
$matches
)
)
{
unset
(
$args
[
$key
]
)
;
$force_conduit
=
$matches
[
1
]
;
}
}
$args
=
array_values
(
$args
)
;
$working_directory
=
getcwd
(
)
;
try
{
if
(
!
$args
)
{
throw
new
ArcanistUsageException
(
"No command provided. Try 'arc help'."
)
;
}
$working_copy
=
ArcanistWorkingCopyIdentity
::
newFromPath
(
$working_directory
)
;
if
(
$load
)
{
$libs
=
$load
;
}
else
{
$libs
=
$working_copy
->
getConfig
(
'phutil_libraries'
)
;
}
if
(
$libs
)
{
foreach
(
$libs
as
$name
=>
$location
)
{
// Try to resolve the library location. We look in several places, in
// order:
//
// 1. Inside the working copy. This is for phutil libraries within the
// project. For instance "library/src" will resolve to
// "./library/src" if it exists.
// 2. In the same directory as the working copy. This allows you to
// check out a library alongside a working copy and reference it.
// If we haven't resolved yet, "library/src" will try to resolve to
// "../library/src" if it exists.
// 3. Using normal libphutil resolution rules. Generally, this means
// that it checks for libraries next to libphutil, then libraries
// in the PHP include_path.
$resolved
=
false
;
// Check inside the working copy.
$resolved_location
=
Filesystem
::
resolvePath
(
$location
,
$working_copy
->
getProjectRoot
(
)
)
;
if
(
Filesystem
::
pathExists
(
$resolved_location
)
)
{
$location
=
$resolved_location
;
$resolved
=
true
;
}
// If we didn't find anything, check alongside the working copy.
if
(
!
$resolved
)
{
$resolved_location
=
Filesystem
::
resolvePath
(
$location
,
dirname
(
$working_copy
->
getProjectRoot
(
)
)
)
;
if
(
Filesystem
::
pathExists
(
$resolved_location
)
)
{
$location
=
$resolved_location
;
$resolved
=
true
;
}
}
if
(
$config_trace_mode
)
{
echo
"Loading phutil library '{$name}' from '{$location}'...\n"
;
}
try
{
phutil_load_library
(
$location
)
;
}
catch
(
PhutilBootloaderException
$ex
)
{
$error_msg
=
sprintf
(
'Failed to load library "%s" at location "%s". Please check the '
.
'"phutil_libraries" setting in your .arcconfig file. Refer to '
.
'<http://www.phabricator.com/docs/phabricator/article/'
.
'Arcanist_User_Guide:_Configuring_a_New_Project.html> '
.
'for more information.'
,
$name
,
$location
)
;
throw
new
ArcanistUsageException
(
$error_msg
)
;
}
catch
(
PhutilLibraryConflictException
$ex
)
{
if
(
$ex
->
getLibrary
(
)
!=
'arcanist'
)
{
throw
$ex
;
}
$arc_dir
=
dirname
(
dirname
(
__FILE__
)
)
;
$error_msg
=
"You are trying to run one copy of Arcanist on another copy of "
.
"Arcanist. This operation is not supported. To execute Arcanist "
.
"operations against this working copy, run './bin/arc' (from the "
.
"current working copy) not some other copy of 'arc' (you ran one "
.
"from '{$arc_dir}')."
;
throw
new
ArcanistUsageException
(
$error_msg
)
;
}
}
}
$user_config
=
ArcanistBaseWorkflow
::
readUserConfigurationFile
(
)
;
$config
=
$working_copy
->
getConfig
(
'arcanist_configuration'
)
;
if
(
$config
)
{
PhutilSymbolLoader
::
loadClass
(
$config
)
;
$config
=
new
$config
(
)
;
}
else
{
$config
=
new
ArcanistConfiguration
(
)
;
}
$command
=
strtolower
(
$args
[
0
]
)
;
$args
=
array_slice
(
$args
,
1
)
;
$workflow
=
$config
->
buildWorkflow
(
$command
)
;
if
(
!
$workflow
)
{
// If the user has an alias, like 'arc alias dhelp diff help', look it up
// and substitute it. We do this only after trying to resolve the workflow
// normally to prevent you from doing silly things like aliasing 'alias'
// to something else.
list
(
$new_command
,
$args
)
=
ArcanistAliasWorkflow
::
resolveAliases
(
$command
,
$config
,
$args
)
;
if
(
$new_command
)
{
$workflow
=
$config
->
buildWorkflow
(
$new_command
)
;
}
if
(
!
$workflow
)
{
throw
new
ArcanistUsageException
(
"Unknown command '{$command}'. Try 'arc help'."
)
;
}
else
{
if
(
$config_trace_mode
)
{
$aliases
=
ArcanistAliasWorkflow
::
getAliases
(
)
;
$target
=
implode
(
' '
,
idx
(
$aliases
,
$command
,
array
(
)
)
)
;
echo
"[alias: 'arc {$command}' -> 'arc {$target}']\n"
;
}
$command
=
$new_command
;
}
}
$workflow
->
setArcanistConfiguration
(
$config
)
;
$workflow
->
setCommand
(
$command
)
;
$workflow
->
setWorkingDirectory
(
$working_directory
)
;
$workflow
->
parseArguments
(
$args
)
;
$need_working_copy
=
$workflow
->
requiresWorkingCopy
(
)
;
$need_conduit
=
$workflow
->
requiresConduit
(
)
;
$need_auth
=
$workflow
->
requiresAuthentication
(
)
;
$need_repository_api
=
$workflow
->
requiresRepositoryAPI
(
)
;
$need_conduit
=
$need_conduit
||
$need_auth
;
$need_working_copy
=
$need_working_copy
||
$need_conduit
||
$need_repository_api
;
if
(
$need_working_copy
)
{
if
(
!
$working_copy
->
getProjectRoot
(
)
)
{
throw
new
ArcanistUsageException
(
"There is no '.arcconfig' file in this directory or any parent "
.
"directory. Create a '.arcconfig' file to configure this project "
.
"for use with Arcanist."
)
;
}
$workflow
->
setWorkingCopy
(
$working_copy
)
;
}
if
(
$force_conduit
)
{
$conduit_uri
=
$force_conduit
;
}
else
{
$conduit_uri
=
$working_copy
->
getConduitURI
(
)
;
}
if
(
$conduit_uri
)
{
// Set the URI path to '/api/'. TODO: Originally, I contemplated letting
// you deploy Phabricator somewhere other than the domain root, but ended
// up never pursuing that. We should get rid of all "/api/" silliness
// in things users are expected to configure. This is already happening
// to some degree, e.g. "arc install-certificate" does it for you.
$conduit_uri
=
new
PhutilURI
(
$conduit_uri
)
;
$conduit_uri
->
setPath
(
'/api/'
)
;
$conduit_uri
=
(string)
$conduit_uri
;
}
$workflow
->
setConduitURI
(
$conduit_uri
)
;
if
(
$need_conduit
)
{
if
(
!
$conduit_uri
)
{
throw
new
ArcanistUsageException
(
"No Conduit URI is specified in the .arcconfig file for this project. "
.
"Specify the Conduit URI for the host Differential is running on."
)
;
}
$workflow
->
establishConduit
(
)
;
}
$hosts_config
=
idx
(
$user_config
,
'hosts'
,
array
(
)
)
;
$host_config
=
idx
(
$hosts_config
,
$conduit_uri
,
array
(
)
)
;
$user_name
=
idx
(
$host_config
,
'user'
)
;
$certificate
=
idx
(
$host_config
,
'cert'
)
;
$description
=
implode
(
' '
,
$original_argv
)
;
$credentials
=
array
(
'user'
=>
$user_name
,
'certificate'
=>
$certificate
,
'description'
=>
$description
,
)
;
$workflow
->
setConduitCredentials
(
$credentials
)
;
if
(
$need_auth
)
{
if
(
!
$user_name
||
!
$certificate
)
{
throw
new
ArcanistUsageException
(
phutil_console_format
(
"YOU NEED TO __INSTALL A CERTIFICATE__ TO LOGIN TO PHABRICATOR\n\n"
.
"You are trying to connect to '{$conduit_uri}' but do not have "
.
"a certificate installed for this host. Run:\n\n"
.
" $ **arc install-certificate**\n\n"
.
"...to install one."
)
)
;
}
$workflow
->
authenticateConduit
(
)
;
}
if
(
$need_repository_api
)
{
$repository_api
=
ArcanistRepositoryAPI
::
newAPIFromWorkingCopyIdentity
(
$working_copy
)
;
$workflow
->
setRepositoryAPI
(
$repository_api
)
;
}
$listeners
=
$working_copy
->
getConfig
(
'events.listeners'
)
;
if
(
$listeners
)
{
foreach
(
$listeners
as
$listener
)
{
id
(
new
$listener
(
)
)
->
register
(
)
;
}
}
$config
->
willRunWorkflow
(
$command
,
$workflow
)
;
$workflow
->
willRunWorkflow
(
)
;
$err
=
$workflow
->
run
(
)
;
$config
->
didRunWorkflow
(
$command
,
$workflow
,
$err
)
;
exit
(
$err
)
;
}
catch
(
ArcanistUsageException
$ex
)
{
echo
phutil_console_format
(
"**Usage Exception:** %s\n"
,
$ex
->
getMessage
(
)
)
;
if
(
$config_trace_mode
)
{
echo
"\n"
;
throw
$ex
;
}
exit
(
1
)
;
}
catch
(
Exception
$ex
)
{
if
(
$config_trace_mode
)
{
throw
$ex
;
}
echo
phutil_console_format
(
"\n**Exception:**\n%s\n%s\n"
,
$ex
->
getMessage
(
)
,
"(Run with --trace for a full exception trace.)"
)
;
exit
(
1
)
;
}
/**
* Perform some sanity checks against the possible diversity of PHP builds in
* the wild, like very old versions and builds that were compiled with flags
* that exclude core functionality.
*/
function
sanity_check_environment
(
)
{
$min_version
=
'5.2.3'
;
$cur_version
=
phpversion
(
)
;
if
(
version_compare
(
$cur_version
,
$min_version
,
'<'
)
)
{
die_with_bad_php
(
"You are running PHP version '{$cur_version}', which is older than "
.
"the minimum version, '{$min_version}'. Update to at least "
.
"'{$min_version}'."
)
;
}
// NOTE: We don't have phutil_is_windows() yet here.
if
(
DIRECTORY_SEPARATOR
!=
'/'
)
{
$need_functions
=
array
(
'curl_init'
=>
array
(
'builtin-dll'
,
'php_curl.dll'
)
,
)
;
}
else
{
$need_functions
=
array
(
'json_decode'
=>
array
(
'flag'
,
'--without-json'
)
,
)
;
}
$problems
=
array
(
)
;
$config
=
null
;
$show_config
=
false
;
foreach
(
$need_functions
as
$fname
=>
$resolution
)
{
if
(
function_exists
(
$fname
)
)
{
continue
;
}
static
$info
;
if
(
$info
===
null
)
{
ob_start
(
)
;
phpinfo
(
INFO_GENERAL
)
;
$info
=
ob_get_clean
(
)
;
$matches
=
null
;
if
(
preg_match
(
'/^Configure Command =>\s*(.*?)$/m'
,
$info
,
$matches
)
)
{
$config
=
$matches
[
1
]
;
}
}
$generic
=
true
;
list
(
$what
,
$which
)
=
$resolution
;
if
(
$what
==
'flag'
&&
strpos
(
$config
,
$which
)
!==
false
)
{
$show_config
=
true
;
$generic
=
false
;
$problems
[
]
=
"This build of PHP was compiled with the configure flag '{$which}', "
.
"which means it does not have the function '{$fname}()'. This "
.
"function is required for arc to run. Rebuild PHP without this flag. "
.
"You may also be able to build or install the relevant extension "
.
"separately."
;
}
if
(
$what
==
'builtin-dll'
)
{
$generic
=
false
;
$problems
[
]
=
"Your install of PHP does not have the '{$which}' extension enabled. "
.
"Edit your php.ini file and uncomment the line which reads "
.
"'extension={$which}'."
;
}
if
(
$generic
)
{
$problems
[
]
=
"This build of PHP is missing the required function '{$fname}()'. "
.
"Rebuild PHP or install the extension which provides '{$fname}()'."
;
}
}
if
(
$problems
)
{
if
(
$show_config
)
{
$problems
[
]
=
"PHP was built with this configure command:\n\n{$config}"
;
}
die_with_bad_php
(
implode
(
"\n\n"
,
$problems
)
)
;
}
}
function
die_with_bad_php
(
$message
)
{
echo
"\nPHP CONFIGURATION ERRORS\n\n"
;
echo
$message
;
echo
"\n\n"
;
exit
(
1
)
;
}
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