[PATCH 0/2] small mtd-utils fixes

[Artem Bityutskiy]

Hi, updated the script as you suggested. Did not do the "outdir should
be optional" part because it is not needed now - we can do this later if
we want.

#!/bin/sh -uef

# A small helper script to release mtd-utils. Takes the new version
# as a parameter.

fatal() {
	printf "Error: %s\n" "$1" >&2
	exit 1
}

usage() {
	cat <<EOF
Usage: ${0##*/} <new_ver> <outdir>

<new_ver>  - mtd utils version to create in X.Y.Z format
<outdir>   - the output directory where to store the tarball with the
             gpg signature
EOF
	exit 0
}

[ $# -eq 0 ] && usage
[ $# -eq 2 ] || fatal "Insufficient or too many argumetns"

new_ver="$1"; shift
outdir="$1"; shift

release_name="mtd-utils-$new_ver"
tag_name="v$new_ver"

# Make sure the input is sane and the makefile contains sensible version
echo "$new_ver" | egrep -q -x '[[:digit:]]+\.[[:digit:]]+\.[[:digit:]]+' ||
	fatal "please, provide new version in X.Y.Z format"

egrep -q -x 'VERSION = [[:digit:]]+\.[[:digit:]]+\.[[:digit:]]+' Makefile ||
	fatal "Makefile does not contain \"Version = X.Y.Z\" line"

# Make sure the git index is up-to-date
[ -z "$(git status --porcelain)" ] || fatal "Git index is not up-to-date"

# Make sure the tag does not exist
[ -z "$(git tag -l "$tag_name")" ] || fatal "Tag $tag_name already exists"

# Change the version in the Makefile
sed -i -e "s/^VERSION = [[:digit:]]\+\.[[:digit:]]\+\.[[:digit:]]\+/VERSION = $new_ver/" Makefile

# And commit the change
git commit -s -m "Release $release_name" Makefile

# Create new signed tag
echo "Signing tag $tag_name"
git tag -m "$release_name" -s "$tag_name"

# Prepare signed tarball
git archive --format=tar --prefix="$release_name/" "$tag_name" | \
	bzip2 > "$outdir/$release_name.tar.bz2"
echo "Signing the tarball"
gpg -o "$outdir/$release_name.tar.bz2.asc" --detach-sign -a "$outdir/$release_name.tar.bz2"

cat <<EOF
Created $outdir/$release_name.tar.bz2
Please, verify, then push the tag and upload the tarball and the signature
You can use these commands:
git push origin $tag_name
scp $outdir/$release_name.tar.bz2 $outdir/$release_name.tar.bz2.asc casper.infradead.org:/var/ftp/pub/mtd-utils
EOF

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