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BuildSystem: Add another revision.h setup "test-clause" (in case someone doesn't have a .hg dir or .hg_archival.txt)

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- Set revision-ID to 0, and revision-hash to "Unknown archive", if an id/hash can not be properly detected.
  This should never happen unless the user has -deliberately deleted- the .hg directory and/or the .hg_archival.txt,
  or does not have the hg command in their command-path

--HG--
branch : trunk
This commit is contained in:
click
2010-09-30 01:44:09 +02:00
parent b87d8f4700
commit 91502154f1
1 changed files with 18 additions and 7 deletions
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25
CMakeLists.txt
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@@ -58,7 +58,6 @@ if( UNIX )
endif()
if(EXISTS ${CMAKE_SOURCE_DIR}/.hg_archival.txt)
set(hg_rev_id_str "Archive")
file(READ
${CMAKE_SOURCE_DIR}/.hg_archival.txt hg_rev_hash_str
LIMIT 10
@@ -67,9 +66,9 @@ if(EXISTS ${CMAKE_SOURCE_DIR}/.hg_archival.txt)
)
string(STRIP ${hg_rev_id_str} hg_rev_id_str)
string(STRIP ${hg_rev_hash_str} hg_rev_hash_str)
set(hg_rev_id_str "Archive")
set(hg_rev_id "0")
set(hg_rev_hash ${hg_rev_hash_str})
else()
# Find revision ID and hash of the sourcetree
execute_process(
@@ -77,20 +76,32 @@ else()
WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
OUTPUT_VARIABLE hg_rev_id_str
OUTPUT_STRIP_TRAILING_WHITESPACE
ERROR_QUIET
)
execute_process(
COMMAND hg id -i
WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
OUTPUT_VARIABLE hg_rev_hash_str
OUTPUT_STRIP_TRAILING_WHITESPACE
ERROR_QUIET
)
# Strip off excess strings (shows when the source is actually modified)
string(REPLACE "+" "" hg_rev_id ${hg_rev_id_str})
string(REPLACE "+" "" hg_rev_hash ${hg_rev_hash_str})
endif()
# Last minute check - ensure that we have a proper revision
# If everything above fails (means the user has erased the mercurial revisional control directory, or runs archive and erased their .hg_archival.txt)
if(NOT hg_rev_id_str)
message("")
message(STATUS "WARNING - No revision-information found - have you been tampering with the sources?")
# Ok, since we have no valid ways of finding/setting the revision, let's force some defaults
set(hg_rev_id_str "0")
set(hg_rev_id "0")
set(hg_rev_hash_str "Unknown archive")
set(hg_rev_hash "0")
endif()
# Strip off excess strings (shows when the source is actually modified)
string(REPLACE "+" "" hg_rev_id ${hg_rev_id_str})
string(REPLACE "+" "" hg_rev_hash ${hg_rev_hash_str})
# Create the actual revision.h file from the above params
configure_file(
"${CMAKE_SOURCE_DIR}/revision.h.in.cmake"