79 lines
3.1 KiB
Diff
79 lines
3.1 KiB
Diff
From b70137d0cc62be7f43816a3ba33b7c3e6a2fbd4e Mon Sep 17 00:00:00 2001
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From: Stijn Tintel <stijn@linux-ipv6.be>
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Date: Fri, 18 Nov 2022 09:19:02 +0200
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Subject: [PATCH] CMake: skip git magic if no .git dir exists
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The checks to fail CMake if git describe isn't working break build when
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building from source tarballs.
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Test if there is a git directory, and completely skip the git magic if
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not.
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Fixes: f42e7beec46e ("CI: add explicit clone to fetch tags")
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Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
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---
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CMakeLists.txt | 51 +++++++++++++++++++++++++-------------------------
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1 file changed, 26 insertions(+), 25 deletions(-)
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--- a/CMakeLists.txt
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+++ b/CMakeLists.txt
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@@ -9,35 +9,36 @@ set (VERSION_MAJOR 0)
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set (VERSION_MINOR 2)
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set (VERSION_PATCH 2)
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-execute_process(COMMAND git describe --tags --dirty
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- OUTPUT_VARIABLE GIT_DESCRIBE
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- OUTPUT_STRIP_TRAILING_WHITESPACE ERROR_QUIET)
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-execute_process(COMMAND git describe --abbrev=0
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- OUTPUT_VARIABLE GIT_LAST_TAG
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- OUTPUT_STRIP_TRAILING_WHITESPACE ERROR_QUIET)
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+if (EXISTS .git/)
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+ execute_process(COMMAND git describe --tags --dirty
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+ OUTPUT_VARIABLE GIT_DESCRIBE
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+ OUTPUT_STRIP_TRAILING_WHITESPACE ERROR_QUIET)
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+ execute_process(COMMAND git describe --abbrev=0
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+ OUTPUT_VARIABLE GIT_LAST_TAG
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+ OUTPUT_STRIP_TRAILING_WHITESPACE ERROR_QUIET)
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-string(LENGTH "${GIT_DESCRIBE}" GIT_DESCRIBE_LEN)
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-string(LENGTH "${GIT_LAST_TAG}" GIT_LAST_TAG_LEN)
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+ string(LENGTH "${GIT_DESCRIBE}" GIT_DESCRIBE_LEN)
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+ string(LENGTH "${GIT_LAST_TAG}" GIT_LAST_TAG_LEN)
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-if (GIT_DESCRIBE_LEN EQUAL 0 OR GIT_LAST_TAG_LEN EQUAL 0)
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- message(FATAL_ERROR "git describe output empty")
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-endif ()
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+ if (GIT_DESCRIBE_LEN EQUAL 0 OR GIT_LAST_TAG_LEN EQUAL 0)
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+ message(FATAL_ERROR "git describe output empty")
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+ endif ()
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-string(REGEX REPLACE "^${GIT_LAST_TAG}-" "" GIT_DESCRIBE_NOTAG "${GIT_DESCRIBE}")
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+ string(REGEX REPLACE "^${GIT_LAST_TAG}-" "" GIT_DESCRIBE_NOTAG "${GIT_DESCRIBE}")
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-if (NOT "${GIT_DESCRIBE}" STREQUAL "${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}")
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- if ("${GIT_LAST_TAG}" VERSION_LESS
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- "${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}")
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- string(REGEX REPLACE "^${GIT_LAST_TAG}-"
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- "" VERSION_TWEAK "0-pre-${GIT_DESCRIBE_NOTAG}")
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- else ()
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- string(REGEX REPLACE
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- "^${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}-"
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- "" VERSION_TWEAK "${GIT_DESCRIBE}")
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+ if (NOT "${GIT_DESCRIBE}" STREQUAL "${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}")
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+ if ("${GIT_LAST_TAG}" VERSION_LESS
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+ "${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}")
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+ string(REGEX REPLACE "^${GIT_LAST_TAG}-"
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+ "" VERSION_TWEAK "0-pre-${GIT_DESCRIBE_NOTAG}")
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+ else ()
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+ string(REGEX REPLACE
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+ "^${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}-"
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+ "" VERSION_TWEAK "${GIT_DESCRIBE}")
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+ endif ()
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endif ()
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endif ()
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-
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configure_file (
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"${PROJECT_SOURCE_DIR}/src/config.h.in"
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"${PROJECT_BINARY_DIR}/config.h"
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