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#!/bin/sh
if ! git status > /dev/null; then
# Either it's not a git repository, or git is unavaliable.
# Just workaround.
echo "<!ENTITY version \"unknown\">" > version.ent
echo "<!ENTITY versiond \"unknown-systemd\">" >> version.ent
echo "<!ENTITY releasedate \"unknown\">" >> version.ent
echo "<!ENTITY copyrightdate \"1999-2021\">" >> version.ent
exit 0
fi
export LC_ALL=en_US.utf8
export TZ=US/Pacific
commit_date=$(git show -s --format=format:"%cd" --date=local)
year=$(date --date "$commit_date" "+%Y")
month=$(date --date "$commit_date" "+%B")
month_digit=$(date --date "$commit_date" "+%m")
day=$(date --date "$commit_date" "+%d" | sed 's/^0//')
case $day in
"1" | "21" | "31" ) suffix="st";;
"2" | "22" ) suffix="nd";;
"3" | "23" ) suffix="rd";;
* ) suffix="th";;
esac
full_date="$month $day$suffix, $year"
sha="$(git describe --abbrev=1)"
if [ "$(git branch --show-current)" = "trunk" ]; then
sha=$(echo "$sha" | sed 's/-g[^-]*$//')
fi
version="$sha"
versiond="$sha-systemd"
if [ "$(git diff HEAD | wc -l)" != "0" ]; then
version="$version+"
versiond="$versiond+"
fi
echo "<!ENTITY version \"$version\">" > version.ent
echo "<!ENTITY versiond \"$versiond\">" >> version.ent
echo "<!ENTITY releasedate \"$full_date\">" >> version.ent
echo "<!ENTITY copyrightdate \"1999-$year\">" >> version.ent
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