[x265] [X265] [Fix Patch] [Master, Release 3.5 branches] Fix: avoids unnecessary lexicographic order checks on git changesets

Aruna Matheswaran aruna at multicorewareinc.com
Thu Dec 24 12:24:57 UTC 2020


On Wed, Dec 23, 2020 at 9:40 PM Srikanth Kurapati <
srikanth.kurapati at multicorewareinc.com> wrote:

> From 06e09d500b9453b32835a6090df873b7b5842f22 Mon Sep 17 00:00:00 2001
> From: Srikanth Kurapati <srikanth.kurapati at multicorewareinc.com>
> Date: Wed, 16 Dec 2020 10:52:33 +0530
> Subject: [PATCH] fix: avoids unnecessary lexicographic order checks on git
>  changesets
>
> and correct variables used for git archive version reporting
> ---
>  source/cmake/Version.cmake | 103 ++++++++++++++++---------------------
>  1 file changed, 44 insertions(+), 59 deletions(-)
>
> diff --git a/source/cmake/Version.cmake b/source/cmake/Version.cmake
> index 37c759268..f67b77395 100644
> --- a/source/cmake/Version.cmake
> +++ b/source/cmake/Version.cmake
> @@ -28,8 +28,6 @@
>  set(X265_VERSION "unknown")
>  set(X265_LATEST_TAG "0.0")
>  set(X265_TAG_DISTANCE "0")
> -set(HG_ARCHETYPE "0")
> -set(GIT_ARCHETYPE "0")
>
>  #Find version control software to be used for live and extracted
> repositories from compressed tarballs
>  if(CMAKE_VERSION VERSION_LESS "2.8.10")
> @@ -43,10 +41,10 @@ else()
>  endif()
>  if(HG_EXECUTABLE)
>      #Set Version Control binary for source code kind
> -    if(EXISTS CMAKE_CURRENT_SOURCE_DIR}/../.hg_archival.txt)
> +    if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/../.hg_archival.txt)
>          set(HG_ARCHETYPE "1")
>      elseif(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/../.hg)
> -        set(HG_ARCHETYPE "2")
> +        set(HG_ARCHETYPE "0")
>      endif()
>  endif(HG_EXECUTABLE)
>  find_package(Git QUIET) #No restrictions on Git versions used, any
> versions from 1.8.x to 2.2.x or later should do.
> @@ -54,14 +52,14 @@ if(Git_FOUND)
>      find_program(GIT_EXECUTABLE git)
>      message(STATUS "GIT_EXECUTABLE ${GIT_EXECUTABLE}")
>      if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/../.git)
> -        set(GIT_ARCHETYPE "2")
> +        set(GIT_ARCHETYPE "0")
>      elseif(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/../x265Version.txt)
>          set(GIT_ARCHETYPE "1")
>      endif()
>  endif(Git_FOUND)
> -if(HG_ARCHETYPE STREQUAL "1")
> +if(HG_ARCHETYPE)
>      #Read the lines of the archive summary file to extract the version
> -    message(STATUS "SOURCE CODE IS FROM x265 ARCHIVED ZIP OR TAR BALL")
> +    message(STATUS "SOURCE CODE IS FROM x265 HG ARCHIVED ZIP OR TAR BALL")
>      file(READ ${CMAKE_CURRENT_SOURCE_DIR}/../.hg_archival.txt archive)
>      STRING(REGEX REPLACE "\n" ";" archive "${archive}")
>      foreach(f ${archive})
> @@ -79,7 +77,8 @@ if(HG_ARCHETYPE STREQUAL "1")
>          string(SUBSTRING "${hg_node}" 0 12 X265_REVISION_ID)
>      endif()
>      message(STATUS "HG ARCHIVAL INFORMATION PROCESSED")
> -elseif(HG_ARCHETYPE STREQUAL "2")
> +elseif(NOT DEFINED GIT_ARCHETYPE)
> +# means that's its neither hg archive nor git clone/archive hence it has
> to be hg live repo as these are only four cases that need to processed in
> mutual exclusion.
>      execute_process(COMMAND
>          ${HG_EXECUTABLE} log -r. --template "{latesttag}"
>          WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
> @@ -107,33 +106,8 @@ elseif(HG_ARCHETYPE STREQUAL "2")
>          string(SUBSTRING ${X265_LATEST_TAG} 1 -1 X265_LATEST_TAG)
>      endif()
>      message(STATUS "HG LIVE REPO STATUS CHECK DONE")
> -elseif(GIT_ARCHETYPE STREQUAL "2")
> -    execute_process(
> -        COMMAND
> -        ${GIT_EXECUTABLE} describe --abbrev=0 --tags
> -        WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
> -        OUTPUT_VARIABLE X265_LATEST_TAG
> -        ERROR_QUIET
> -        OUTPUT_STRIP_TRAILING_WHITESPACE
> -        )
> -    execute_process(
> -        COMMAND
> -        ${GIT_EXECUTABLE} rev-list ${X265_LATEST_TAG}.. --count
> --first-parent
> -        WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
> -        OUTPUT_VARIABLE X265_TAG_DISTANCE
> -        ERROR_QUIET
> -        OUTPUT_STRIP_TRAILING_WHITESPACE
> -        )
> -    execute_process(
> -        COMMAND
> -        ${GIT_EXECUTABLE} log --pretty=format:%h -n 1
> -        WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
> -        OUTPUT_VARIABLE X265_REVISION_ID
> -        ERROR_QUIET
> -        OUTPUT_STRIP_TRAILING_WHITESPACE
> -        )
> -elseif(GIT_ARCHETYPE STREQUAL "1")
> -    message(STATUS "X265 GIT ARCHIVE EXTRACT VERSION INFORMATION
> PROCESSING")
> +elseif(GIT_ARCHETYPE)
> +    message(STATUS "SOURCE CODE IS FROM x265 GIT ARCHIVED ZIP OR TAR
> BALL")
>      #Read the lines of the archive summary file to extract the version
>      file(READ ${CMAKE_CURRENT_SOURCE_DIR}/../x265Version.txt filebuf)
>      STRING(REGEX REPLACE "\n" ";" filebuf "${filebuf}")
> @@ -152,42 +126,53 @@ elseif(GIT_ARCHETYPE STREQUAL "1")
>              message(WARNING "RELEASE CHANGESET INFO NOT PRESENT IN
> VERSION FILE")
>          endif()
>          if(DEFINED git_repositorychangeset)
> -           string(SUBSTRING "${git_repositorychangeset}" 0 9 X265_REPO_ID)
> +            string(SUBSTRING "${git_repositorychangeset}" 0 9
> X265_REVISION_ID)
>          else()
> -           message(STATUS "X265 LATEST COMMIT TIP INFORMATION NOT
> AVAILABLE")
> +            message(STATUS "X265 LATEST COMMIT TIP INFORMATION NOT
> AVAILABLE")
>          endif()
>          if(DEFINED git_releasetagdistance)
> -           set(X265_TAG_DISTANCE ${git_releasetagdistance})
> +            set(X265_TAG_DISTANCE ${git_releasetagdistance})
>          else()
> -           message(WARNING "COMMIT INFORMATION AFTER LATEST REVISION
> UNAVAILABLE")
> +            message(WARNING "COMMIT INFORMATION AFTER LATEST REVISION
> UNAVAILABLE")
>          endif()
>      else()
>          message(WARNING "X265 RELEASE VERSION LABEL MISSING:
> ${X265_LATEST_TAG}")
>      endif()
> + message(STATUS "GIT ARCHIVAL INFORMATION PROCESSED")
> +else()
> +    execute_process(
> +        COMMAND
> +        ${GIT_EXECUTABLE} describe --abbrev=0 --tags
> +        WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
> +        OUTPUT_VARIABLE X265_LATEST_TAG
> +        ERROR_QUIET
> +        OUTPUT_STRIP_TRAILING_WHITESPACE
> +        )
> +    execute_process(
> +        COMMAND
> +        ${GIT_EXECUTABLE} rev-list ${X265_LATEST_TAG}.. --count
> --first-parent
> +        WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
> +        OUTPUT_VARIABLE X265_TAG_DISTANCE
> +        ERROR_QUIET
> +        OUTPUT_STRIP_TRAILING_WHITESPACE
> +        )
> +    execute_process(
> +        COMMAND
> +        ${GIT_EXECUTABLE} log --pretty=format:%h -n 1
> +        WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
> +        OUTPUT_VARIABLE X265_REVISION_ID
> +        ERROR_QUIET
> +        OUTPUT_STRIP_TRAILING_WHITESPACE
> +        )
> +    message(STATUS "GIT LIVE REPO VERSION RETRIEVED")
>  endif()
>
> -# formatting based on positive or negative distance from tag
> +# formatting based on distance from tag
>  if(X265_TAG_DISTANCE STREQUAL "0")
> -    if(X265_REVISION_ID STREQUAL X265_REPO_ID)
> -        set(X265_VERSION "${X265_LATEST_TAG}")
> -    else()
> -        message(WARNING "REPO AND RELEASE CHANGESETS NOT MATCHING")
> -    endif()
> +    set(X265_VERSION "${X265_LATEST_TAG}")
>  elseif(X265_TAG_DISTANCE STRGREATER "0")
> -    if(X265_REVISION_ID STRLESS X265_REPO_ID)
> -        set(X265_VERSION
> "${X265_LATEST_TAG}+${X265_TAG_DISTANCE}-${X265_REVISION_ID}")
> -    else()
> -        message(WARNING "ARCCHIVE TIP CHANGESET TO BE GREATER THAN
> REVISION ID")
> -    endif()
> -elseif(X265_TAG_DISTANCE STRLESS "0")
> -    if(X265_REVISION_ID STRGREATER X265_REPO_ID)
> -       set(X265_VERSION
> "${X265_LATEST_TAG}${X265_TAG_DISTANCE}+${X265_REPO_ID}")
> -    else()
> -        message(WARNING "REVISION ID EXPECTED TO BE LARGER THAN ARCHIVE
> TIP CHANGESET")
> -    endif()
> -else()
> -    message(ERROR "Inappropriate set of version information")
> +    set(X265_VERSION
> "${X265_LATEST_TAG}+${X265_TAG_DISTANCE}-${X265_REVISION_ID}")
>  endif()
>
>  #will always be printed in its entirety based on version file
> configuration to avail revision monitoring by repo owners
> -message(STATUS "x265 RELEASE VERSION ${X265_VERSION}")
> +message(STATUS "X265 RELEASE VERSION ${X265_VERSION}")
> --
> 2.20.1.windows.1
>
[AM] The need for releasetagcommitid is still not clear. Why do we need
that?

>
>
> --
> *With Regards,*
> *Srikanth Kurapati.*
> _______________________________________________
> x265-devel mailing list
> x265-devel at videolan.org
> https://mailman.videolan.org/listinfo/x265-devel
>


-- 
Regards,
*Aruna Matheswaran,*
Video Codec Engineer,
Media & AI analytics BU,
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