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#!/bin/sh
extract_git_version()
{
PREVPWD="$PWD"
cd "$1"
if [ -d ./.git ] || git rev-parse --is-inside-work-tree > /dev/null 2> /dev/null
then
REV=$(git show --format=%H#%ci -s $(git rev-parse HEAD) |
sed -e 's/ .*//' -e 's/[0-9a-f]\{30\}#/#/' -e 's/-//g' \
-e 's/#/-/')
X=$(git status -s -uno | sed -e 's/.*/X/' | uniq)
echo $REV$X
else
echo "unknown"
fi
cd "$PREVPWD"
}
srcdir="${1:-.}"
if [ -e "$srcdir"/include/vgversion_dist.h ]
then
cp "$srcdir"/include/vgversion_dist.h include/vgversion.h.tmp
else
cat > include/vgversion.h.tmp <<EOF
/* Do not edit: file generated by auxprogs/make_or_upd_vgversion_h.
This file defines VGGIT, used to report GIT revision
when using command line options: -v --version
The produced VGGIT format is
hhhhhhhhhh-YYYYMMDDX
where hhhhhhhhhh is the first 10 characters of the HEAD commit
YYYYMMDD is the commit date
Trailing X is present if there are any (non untracked) modified files.
*/
#define VGGIT "$(extract_git_version .)"
EOF
fi
if [ -f include/vgversion.h ]
then
# There is already a vgversion.h.
# Update it only if we found a different and real git version
if grep -q unknown include/vgversion.h.tmp ||
cmp -s include/vgversion.h include/vgversion.h.tmp
then
rm -f include/vgversion.h.tmp
else
mv include/vgversion.h.tmp include/vgversion.h
fi
else
# There is no vgversion.h. Use the one just generated, whatever it is.
mv include/vgversion.h.tmp include/vgversion.h
fi
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