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#!/bin/sh
#
# Script to create seabios release and snapshot tarballs.
# Accepts conmmit (hash, tag, branch, ...) as first argument,
# uses HEAD if unspecified.
#
commit="${1-HEAD}"
# figure name for the tarball
reltag="$(git describe --tags --match 'rel-*' --exact $commit 2>/dev/null)"
if test "$reltag" != ""; then
# release
name="${reltag#rel-}"
else
# snapshot
reltag="$(git describe --tags --match 'rel-*' $commit 2>/dev/null)"
name="snap-${reltag#rel-}"
fi
# export tarball archive from git
prefix="seabios-${name}/"
output="seabios-${name}.tar"
echo "# commit $commit -> tarball: ${output}.gz"
rm -f "$output" "${output}.gz"
git archive --format=tar --prefix="$prefix" "$commit" > "$output"
# add .version file to tarball
dotver="$(mktemp dotver.XXXXXX)"
echo "$name" > "$dotver"
tar --append --file="$output" --owner=root --group=root --mode=0664 \
--transform "s:${dotver}:${prefix}.version:" "$dotver"
rm -f "$dotver"
# finally compress it
gzip "$output"
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