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Makefile: Add multiple methods of determining the version number

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This fixes m1n1 stage2 version numbers (for .tar.gz downloads) as long
as the directory name is left intact, and also supports packagers
passing their own version number if needed.

Signed-off-by: Hector Martin <marcan@marcan.st>
This commit is contained in:
Hector Martin 2022-12-04 14:59:47 +09:00
parent db93de58b8
commit 4c2c4085f1
2 changed files with 18 additions and 1 deletions
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2
Makefile
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@ -203,7 +203,7 @@ build/$(NAME).bin: build/$(NAME)-raw.elf
update_tag:
@mkdir -p build
@echo "#define BUILD_TAG \"$$(git describe --tags --always --dirty)\"" > build/build_tag.tmp
@./version.sh > build/build_tag.tmp
@cmp -s build/build_tag.h build/build_tag.tmp 2>/dev/null || \
( mv -f build/build_tag.tmp build/build_tag.h && echo " TAG build/build_tag.h" )

17
version.sh Executable file
View file

@ -0,0 +1,17 @@
#!/bin/sh
cd "$(dirname "$0")"
dirbase="$(basename "$(pwd)")"
if [ -n "$M1N1_VERSION_TAG" ]; then
version="$M1N1_VERSION_TAG"
elif [ -e ".git" ]; then
version="$(git describe --tags --always --dirty)"
elif [ "${dirbase:0:5}" == "m1n1-" ]; then
version="${dirbase:5}"
version="v${version##v}"
else
version="unknown"
fi
echo "#define BUILD_TAG \"$version\""