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|
#!/bin/sh
# This script auto-creates the build_info.cc file.
# Used by: scons ... enable_buildinfo=yes
# to compile some build information into xorp.
#
#
# Usage: ./libxorp/create_buildinfo.sh
# If build_info.cc is newer than create_buildinfo.sh, and
# if the git tag hasn't changed, then do not re-create
# build_info.cc
# Uses sed, git, date, and uname commands, if available.
# git history is only available if compiled within a git tree.
cd libxorp
BINFO=build_info.cc
if [ -f $BINFO ]
then
if [ create_buildinfo.sh -ot $BINFO ]
then
if [ -f last_git_md5sum.txt ]
then
git log -1 --pretty=format:%h > tst_git_md5sum.txt
if diff -q last_git_md5sum.txt tst_git_md5sum.txt > /dev/null
then
# Files are the same, do nothing.
echo "Not re-creating $BINFO file."
cd -
exit 0
else
echo "Re-creating $BINFO: md5sums changed."
fi
else
echo "Re-creating $BINFO: old md5sum doesn't exist."
fi
else
echo "Re-creating $BINFO: builder script newer than build_info.cc"
fi
else
echo "Creating $BINFO: file doesn't exist yet."
fi
cat build_info.prefix > $BINFO
if uname -mrspn > /dev/null 2>&1
then
echo "const char* BuildInfo::getBuildMachine() { return \"`uname -mrspn`\"; }" >> $BINFO
else
echo "Warning: uname -mrspn does not function on this system."
echo "const char* BuildInfo::getBuildMachine() { return \"Unknown\"; }" >> $BINFO
fi
echo "" >> $BINFO
echo "const char* BuildInfo::getBuilder() { return \"${USER}\"; }" >> $BINFO
echo "" >> $BINFO
if date > /dev/null 2>&1
then
echo "const char* BuildInfo::getBuildDate() { return \"`date`\"; }" >> $BINFO
else
echo "Warning: 'date' does not function on this system."
echo "const char* BuildInfo::getBuildDate() { return \"Unknown\"; }" >> $BINFO
fi
echo "" >> $BINFO
if date '+%F %H:%M' > /dev/null 2>&1
then
echo "const char* BuildInfo::getShortBuildDate() { return \"`date '+%F %H:%M'`\"; }" >> $BINFO
else
echo "Warning: date +%F %H:%M does not function on this system."
echo "const char* BuildInfo::getShortBuildDate() { return \"Unknown\"; }" >> $BINFO
fi
echo "" >> $BINFO
if which sed > /dev/null 2>&1 && which git > /dev/null 2>&1
then
if [ -x `which sed` ] && [ -x `which git` ]
then
if git log -1 > /dev/null 2>&1
then
cat >> "${BINFO}" << EOF
const char* BuildInfo::getGitLog() { return
`git log -3 --abbrev=8 --abbrev-commit --pretty=oneline | sed -e 's|\\\\|\\\\\\\\|g' -e 's|"|\\\\"|g' -e 's|\(.*\)|"\1\\\n"|'`; }
EOF
else
echo "NOTE: Not a git repository, no git history in build-info."
cat >> "${BINFO}" << EOF
const char* BuildInfo::getGitLog() { return "Cannot detect, not a git repository"; }
EOF
fi
else
echo "NOTE: No functional sed and/or git, no git history in build-info."
cat >> "${BINFO}" << EOF
const char* BuildInfo::getGitLog() { return "Cannot detect, sed and/or git is not executable"; }
EOF
fi
else
echo "NOTE: No sed and/or git, no git history in build-info."
cat >> "${BINFO}" << EOF
const char* BuildInfo::getGitLog() { return "Cannot detect, sed and/or git is not available"; }
EOF
fi
echo "const char* BuildInfo::getGitVersion() { return " >> $BINFO
if which git > /dev/null 2>&1
then
if git log -1 > /dev/null 2>&1
then
git log -1 --pretty=format:%h > last_git_md5sum.txt
echo "\"`git log -1 --pretty=format:%h`\"; }" >> $BINFO
else
echo "\"00000000\"; }" >> $BINFO
fi
else
echo "\"00000000\"; }" >> $BINFO
fi
cd -
exit 0
|
