Aegisub/build/version.sh

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srcdir="$1"
# If no git repo try to read from the existing git_version.h, for building from tarballs
if ! test -d "${srcdir}/.git"; then
version_h_path="${srcdir}/build/git_version.h"
if test -f "${version_h_path}"; then
while read line; do
set -- $line
export $2=$(echo $3 | sed 's/"//g')
done < "${version_h_path}"
if test x$BUILD_GIT_VERSION_NUMBER != x -a x$BUILD_GIT_VERSION_STRING != x; then
export VERSION_SOURCE="from cached git_version.h"
return 0
else
echo "invalid git_version.h"
exit 2
fi
else
echo "git repo not found and no cached git_version.h"
exit 2
fi
fi
last_svn_revision=6962
last_svn_hash="16cd907fe7482cb54a7374cd28b8501f138116be"
git_revision=$(expr $last_svn_revision + $(git log --pretty=oneline $last_svn_hash..HEAD 2>/dev/null | wc -l))
git_version_str=$(git describe --exact-match 2> /dev/null)
installer_version='0.0.0'
if test x$git_version_str != x; then
git_version_str="${git_version_str##v}"
tagged_release=1
if [ $(echo $git_version_str | grep '\d\.\d\.\d') ]; then
installer_version=$git_version_str
fi
else
git_branch="$(git symbolic-ref HEAD 2> /dev/null)" || git_branch="(unnamed branch)"
git_branch="${git_branch##refs/heads/}"
git_hash=$(git rev-parse --short HEAD)
git_version_str="${git_revision}-${git_branch}-${git_hash}"
tagged_release=0
fi
new_version_h="\
#define BUILD_GIT_VERSION_NUMBER ${git_revision}
#define BUILD_GIT_VERSION_STRING \"${git_version_str}\"
#define TAGGED_RELEASE ${tagged_release}
#define INSTALLER_VERSION \"${installer_version}\""
# may not exist yet for out of tree builds
mkdir -p build
version_h_path="build/git_version.h"
# Write it only if it's changed to avoid spurious rebuilds
# This bizzare comparison method is due to that newlines in shell variables are very exciting
case "$(cat ${version_h_path} 2> /dev/null)"
in
"${new_version_h}");;
*) echo "${new_version_h}" > "${version_h_path}"
esac
export BUILD_GIT_VERSION_NUMBER="${git_revision}"
export BUILD_GIT_VERSION_STRING="${git_version_str}"
export VERSION_SOURCE="from git"
cat << EOF > build/git_version.xml
<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<PropertyGroup>
<GitVersionNumber>${git_revision}</GitVersionNumber>
<GitVersionString>${git_version_str}</GitVersionString>
</PropertyGroup>
</Project>
EOF