60 lines
1.4 KiB
Bash
60 lines
1.4 KiB
Bash
#!/bin/bash
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#
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# determine-version -- report a useful version for releases
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#
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# Copyright 2008, Aron Griffis <agriffis@n01se.net>
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# Copyright 2008, Oracle
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# Released under the GNU GPLv2
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v="Btrfs v0.16"
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which git &> /dev/null
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if [ $? == 0 -a -d .git ]; then
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if head=`git rev-parse --verify HEAD 2>/dev/null`; then
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if tag=`git describe --tags 2>/dev/null`; then
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v="$tag"
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fi
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# Are there uncommitted changes?
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git update-index --refresh --unmerged > /dev/null
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if git diff-index --name-only HEAD | grep -v "^scripts/package" \
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| read dummy; then
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v="$v"-dirty
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fi
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fi
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fi
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which hg &> /dev/null
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if [ $? == 0 -a -d .hg ]; then
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last=$(hg tags | grep -m1 -o '^v[0-9.]\+')
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# now check if the repo has commits since then...
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if [[ $(hg id -t) == $last || \
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$(hg di -r "$last:." | awk '/^diff/{print $NF}' | sort -u) == .hgtags ]]
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then
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# check if it's dirty
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if [[ $(hg id | cut -d' ' -f1) == *+ ]]; then
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v=$last+
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else
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v=$last
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fi
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else
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# includes dirty flag
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v=$last+$(hg id -i)
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fi
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fi
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echo "#ifndef __BUILD_VERSION" > .build-version.h
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echo "#define __BUILD_VERSION" >> .build-version.h
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echo "#define BTRFS_BUILD_VERSION \"Btrfs $v\"" >> .build-version.h
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echo "#endif" >> .build-version.h
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diff -q version.h .build-version.h >& /dev/null
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if [ $? == 0 ]; then
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rm .build-version.h
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exit 0
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fi
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mv .build-version.h version.h
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