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FindSubversion: Add Subversion_WC_INFO option to suppress failures

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Subversion fails when the directory is not actually under its control.
Allow projects to tolerate this case optionally.

Fixes: #18264
This commit is contained in:
Jason Heeris
2018-08-16 10:57:35 +10:00
committed by Brad King
parent f782759ed0
commit 68d015fc94
2 changed files with 27 additions and 12 deletions
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33
Modules/FindSubversion.cmake
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@@ -19,17 +19,21 @@
#
#
# The minimum required version of Subversion can be specified using the
# standard syntax, e.g. find_package(Subversion 1.4)
# standard syntax, e.g. ``find_package(Subversion 1.4)``.
#
# If the command line client executable is found two macros are defined:
#
# ::
#
# Subversion_WC_INFO(<dir> <var-prefix>)
# Subversion_WC_INFO(<dir> <var-prefix> [IGNORE_SVN_FAILURE])
# Subversion_WC_LOG(<dir> <var-prefix>)
#
# Subversion_WC_INFO extracts information of a subversion working copy
# at a given location. This macro defines the following variables:
# ``Subversion_WC_INFO`` extracts information of a subversion working copy at a
# given location. This macro defines the following variables if running
# Subversion's ``info`` command on ``<dir>`` succeeds; otherwise a
# ``SEND_ERROR`` message is generated. The error can be ignored by providing the
# ``IGNORE_SVN_FAILURE`` option, which causes these variables to remain
# undefined.
#
# ::
#
@@ -41,9 +45,8 @@
# <var-prefix>_WC_LAST_CHANGED_REV - revision of last commit
# <var-prefix>_WC_INFO - output of command `svn info <dir>'
#
# Subversion_WC_LOG retrieves the log message of the base revision of a
# subversion working copy at a given location. This macro defines the
# variable:
# ``Subversion_WC_LOG`` retrieves the log message of the base revision of a
# subversion working copy at a given location. This macro defines the variable:
#
# ::
#
@@ -84,6 +87,14 @@ if(Subversion_SVN_EXECUTABLE)
"\\2" Subversion_VERSION_SVN "${Subversion_VERSION_SVN}")
macro(Subversion_WC_INFO dir prefix)
cmake_parse_arguments(
"Subversion_WC_INFO"
"IGNORE_SVN_FAILURE"
"" ""
${ARGN}
)
# the subversion commands should be executed with the C locale, otherwise
# the message (which are parsed) may be translated, Alex
set(_Subversion_SAVED_LC_ALL "$ENV{LC_ALL}")
@@ -95,10 +106,7 @@ if(Subversion_SVN_EXECUTABLE)
RESULT_VARIABLE Subversion_svn_info_result
OUTPUT_STRIP_TRAILING_WHITESPACE)
if(NOT ${Subversion_svn_info_result} EQUAL 0)
message(SEND_ERROR "Command \"${Subversion_SVN_EXECUTABLE} info ${dir}\" failed with output:\n${Subversion_svn_info_error}")
else()
if(${Subversion_svn_info_result} EQUAL 0)
string(REGEX REPLACE "^(.*\n)?URL: ([^\n]+).*"
"\\2" ${prefix}_WC_URL "${${prefix}_WC_INFO}")
string(REGEX REPLACE "^(.*\n)?Repository Root: ([^\n]+).*"
@@ -111,7 +119,8 @@ if(Subversion_SVN_EXECUTABLE)
"\\2" ${prefix}_WC_LAST_CHANGED_REV "${${prefix}_WC_INFO}")
string(REGEX REPLACE "^(.*\n)?Last Changed Date: ([^\n]+).*"
"\\2" ${prefix}_WC_LAST_CHANGED_DATE "${${prefix}_WC_INFO}")
elseif(NOT Subversion_WC_INFO_IGNORE_SVN_FAILURE)
message(SEND_ERROR "Command \"${Subversion_SVN_EXECUTABLE} info ${dir}\" failed with output:\n${Subversion_svn_info_error}")
endif()
# restore the previous LC_ALL