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Makefile: extract script to massage Python scripts

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Extract a script that massages Python scripts. This provides a couple of
benefits:

  - The build logic is deduplicated across Make, CMake and Meson.

  - CMake learns to rewrite scripts as-needed at build time instead of
    only writing them at configure time.

Furthermore, we will use this script when introducing Meson to
deduplicate the logic across build systems.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Patrick Steinhardt
2024-12-06 14:24:46 +01:00
committed by Junio C Hamano
parent eb98cb835c
commit b7835b941b
3 changed files with 33 additions and 10 deletions
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15
contrib/buildsystems/CMakeLists.txt
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@ -899,10 +899,17 @@ foreach(script ${git_perl_scripts} ${perl_modules})
endforeach()
add_custom_target(perl-gen ALL DEPENDS ${perl_gen})
#python script
file(STRINGS ${CMAKE_SOURCE_DIR}/git-p4.py content NEWLINE_CONSUME)
string(REPLACE "#!/usr/bin/env python" "#!/usr/bin/python" content "${content}")
file(WRITE ${CMAKE_BINARY_DIR}/git-p4 ${content})
# Python script
add_custom_command(OUTPUT "${CMAKE_BINARY_DIR}/git-p4"
COMMAND "${SH_EXE}" "${CMAKE_SOURCE_DIR}/generate-python.sh"
"${CMAKE_BINARY_DIR}/GIT-BUILD-OPTIONS"
"${CMAKE_SOURCE_DIR}/git-p4.py"
"${CMAKE_BINARY_DIR}/git-p4"
DEPENDS "${CMAKE_SOURCE_DIR}/generate-python.sh"
"${CMAKE_SOURCE_DIR}/git-p4.py"
"${CMAKE_BINARY_DIR}/GIT-BUILD-OPTIONS"
VERBATIM)
add_custom_target(python-gen ALL DEPENDS "${CMAKE_BINARY_DIR}/git-p4")
#templates
file(GLOB templates "${CMAKE_SOURCE_DIR}/templates/*")