build: add tools/build_release.sh script

Add script to do a release.

tools/build_release.sh

@@ -0,0 +1,82 @@
+#!/bin/bash
+
+# script to create libnl release.
+# Steps:
+# - create new commit, bumping version number
+# - run this script
+# - check all is good
+# - tag the commit (signed)
+#     git tag -m 'libnl-3.2.26-rc1' -s libnl3_2_26rc1 HEAD
+# - publish the tarballs
+# - push the commit to github
+# - publish the tag on github
+# - publish the tarballs on github
+# - send ANN email
+
+
+die() {
+    printf '%s\n' "$@"
+    exit 1
+}
+
+set -x
+set -e
+
+cd "$(dirname "$0")/.."
+git_dir="$(readlink -f "$(git rev-parse --show-toplevel)")"
+test -f "$git_dir/tools/build_release.sh"
+
+Build() {
+    test "$(git status --porcelain)" = "" || die "there are uncommited changes"
+    git clean -fdx
+    ./autogen.sh
+    ./configure
+    make -j 5
+    make -C doc
+    make -C doc gendoc
+    make -j 5 distcheck
+    make -C doc dist
+    echo "Build: success"
+}
+
+Copy() {
+    local V="$(ls -1 ./libnl-*.tar.gz | sed -n 's/^\.\/libnl-\(3\.[0-9]\+\.[0-9]\+\(-rc[0-9]\)\?\).tar.gz$/\1/p')"
+    test -n "$V"
+    local REL="libnl-$V"
+    rm -rf "./$REL"
+    mkdir "./$REL"
+    ln "./libnl-$V.tar.gz" "./$REL/"
+    ln "./doc/libnl-doc-$V.tar.gz" "./$REL/"
+    (
+        cd "./$REL/"
+        for F in "libnl-$V.tar.gz" "libnl-doc-$V.tar.gz"; do
+            md5sum "./$F" > "./$F.md5sum"
+            sha256sum "./$F" > "./$F.sha256sum"
+            gpg ${GPG_USER--u thaller@redhat.com} --armor --verbose -o "./$F.sig" --detach-sign "./$F"
+        done
+    )
+    tar -cvf "./$REL.tar" "./$REL/"
+    echo "Copy: success"
+}
+
+BuildAll() {
+     Build || return
+     Copy || return
+     echo "BuildAll: success"
+}
+
+case "$1" in
+    Build)
+        Build
+        ;;
+    Copy)
+        Copy
+        ;;
+    BuildAll)
+        BuildAll
+        ;;
+    *)
+        echo "SYNOPSIS: $0 Build|Copy|BuildAll"
+        echo "WARNING: does a git-clean first!!"
+        ;;
+esac