From 14a433fea892b3d771e9cfcaed6919939e4f39a8 Mon Sep 17 00:00:00 2001
From: Esteban Carnevale <alfplayer@mailoo.org>
Date: Mon, 2 Sep 2013 20:03:36 -0300
Subject: Modify Makefile to deploy all profile branches using script "expand".

---
 Makefile |  12 +++--
 expand   | 181 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 188 insertions(+), 5 deletions(-)
 create mode 100755 expand

diff --git a/Makefile b/Makefile
index cb5f9e4..397ec3c 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-V=6
+V=2013.08.12
 
 INSTALL_SRC_DIR=parabolaiso/initcpio/install
 HOOKS_SRC_DIR=parabolaiso/initcpio/hooks
@@ -15,7 +15,7 @@ all: install dist
 install: install-program install-initcpio install-examples install-doc
 
 install-program:
-	install -D -m 755 parabolaiso/mkparabolaiso "$(DESTDIR)/usr/sbin/mkparabolaiso"
+	install -D -m 755 parabolaiso/mkparabolaiso "$(DESTDIR)/usr/bin/mkparabolaiso"
 
 install-initcpio:
 	install -d "$(SCRIPT_DIR)" "$(HOOKS_DIR)" "$(INSTALL_DIR)"
@@ -49,7 +49,9 @@ uninstall-doc:
 	rm -rf "$(DOC_DIR)"
 
 dist:
-	git archive --format=tar --prefix=parabolaiso-$(V)/ v$(V) | gzip -9 > parabolaiso-$(V).tar.gz
-	gpg --detach-sign --use-agent parabolaiso-$(V).tar.gz
+	./expand $(V) dist
 
-.PHONY: install install-program install-initcpio install-examples install-doc dist uninstall uninstall-program uninstall-initcpio uninstall-examples uninstall-doc
+dist-branches:
+	./expand $(V) dist-branches
+
+.PHONY: install install-program install-initcpio install-examples install-doc dist dist-branches uninstall uninstall-program uninstall-initcpio uninstall-examples uninstall-doc
diff --git a/expand b/expand
new file mode 100755
index 0000000..5234379
--- /dev/null
+++ b/expand
@@ -0,0 +1,181 @@
+#!/bin/bash
+
+set -e
+
+version="$1"
+
+type="$2"
+
+### CONFIGURATION OPTIONS
+
+# Profiles to package in addition to the profile releng for the make target "dist-branches"
+branches_dist_branches=(baseline gnome toolkit)
+
+# Profiles to package in addition to the profile releng for the make target "dist"
+branches_dist=(baseline)
+
+### END OF CONFIGURATION OPTIONS
+
+error() {
+     echo "${@}. Stop." >&2
+     exit 1
+}
+
+dist_branches() {
+    branches="${branches_dist_branches}"
+    # Refs to package (the branches)
+    refs="${branches[@]}"
+    # Ref of the releng profile to package
+    releng="master"
+    # Release branch. This branch only has commits to prepare the package.
+    release_branch="release-branches"
+    # Release ref. It is a branch for dist_branches. The package is created from this ref.
+    release="${release_branch}"
+    # Refs that should exist for the make target dist-branches. This branches will be packaged.
+    allrefs=( ${releng} ${branches[@]} )
+}
+
+dist() {
+    branches="${branches_dist}"
+    # Refs to package (branch names appending the date, like "baseline/2013.08.12")
+    refs="${branches_dist[@]/%//${version}}"
+    # Ref of the releng profile to package
+    releng="master/${version}"
+    # Release branch. This branch only has commits to prepare the package.
+    release_branch="release"
+    # Release ref. Tag of commit in release_branch. The package is created from this ref.
+    release="release/${version}"
+    # These refs should exist to package for the make target dist.
+    allrefs=( ${releng} ${refs[@]} )
+}
+
+expand() {
+    ref="$1"
+    dir="$2"
+
+    GIT_INDEX_FILE="${index}" git read-tree --empty
+    GIT_INDEX_FILE="${index}".release git read-tree --empty
+
+    # Find the current head of ${ref}
+    head="$(git show-ref --hash "refs/${ref_type}/${ref}")"
+    # Find the current head of the release branch.
+    head_release="$(git show-ref --hash refs/heads/"${release_branch}")"
+    if [[ $dir == releng ]] ; then
+	# Read the tree of "$ref" with profile path rename into an index file.
+	git ls-tree -z -r "${head}" | sed -z "s|configs/profile|configs/${dir}|" | GIT_INDEX_FILE="${index}" git update-index -z --index-info
+	# Remove the master branch from the release index, that is, leave everything from configs/ excluding configs/releng
+	git ls-tree -z -r "${head_release}" | grep -zZP 'configs/(?!releng)' | GIT_INDEX_FILE="${index}".release git update-index -z --index-info
+	# This combines the two indexes (obtained in the last two commands).
+	GIT_INDEX_FILE="${index}".release git ls-files -z -s | GIT_INDEX_FILE="${index}" git update-index -z --add --index-info
+    else
+	# Read only paths configs/profile of "$ref" with profile path rename into an index file.
+	git ls-tree -z -r "${head}" -- configs/profile | sed -z "s|configs/profile|configs/${dir}|" | GIT_INDEX_FILE="${index}" git update-index -z --index-info
+	# Remove configs/${dir} from the release index.
+	git ls-tree -z -r "${head_release}" | grep -zZv configs/"${dir}" | GIT_INDEX_FILE="${index}".release git update-index -z --index-info
+	# This combines the two indexes (obtained in the last two commands).
+	GIT_INDEX_FILE="${index}".release git ls-files -z -s | GIT_INDEX_FILE="${index}" git update-index -z --add --index-info
+    fi
+    # Write the index file into the repo as a tree.
+    tree="$(GIT_INDEX_FILE="${index}" git write-tree)"
+    # Write a commit to the repo.
+    commit="$(echo "Update profile ${dir}" | git commit-tree "$tree" -p "${head_release}")"
+    # Update the head of the repository to be the new commit.
+    git update-ref refs/heads/"${release_branch}" "$commit" "${head_release}"
+}
+
+expand_empty() {
+    ref="${releng}"
+    dir="releng"
+
+    GIT_INDEX_FILE="${index}" git read-tree --empty
+
+    # Find the current head of ${ref}
+    head="$(git show-ref --hash "refs/${ref_type}/${ref}")"
+    # Read the tree of "$ref" with profile path rename into an index file.
+    git ls-tree -z -r "${head}" | sed -z "s|configs/profile|configs/${dir}|" | GIT_INDEX_FILE="${index}" git update-index -z --index-info
+    # Write the index file into the repo as a tree.
+    tree="$(GIT_INDEX_FILE="${index}" git write-tree)"
+    # Write a commit to the repo.
+    commit="$(echo "Update profile ${dir}" | git commit-tree "$tree")"
+    # Update the head of the repository to be the new commit.
+    git update-ref refs/heads/"${release_branch}" "$commit" 0000000000000000000000000000000000000000
+}
+
+ref_test() {
+    es=0
+    git show-ref --quiet "$1" || es=$?
+
+    if [[ $es == 1 ]] ; then
+	error "$2"
+    elif [[ $es > 1 ]] ; then
+	error "$3"
+    fi
+}
+
+ref_test_negative() {
+    es=0
+    git show-ref --quiet "$1" || es=$?
+
+    if [[ $es == 0 ]] ; then
+	error "$2"
+    elif [[ $es > 1 ]] ; then
+	error "$3"
+    fi
+}
+
+release_prepare() {
+    ref_test_negative "refs/tags/${release}" "Release tag ${release} can not be created because it already exists" "Error testing the release tag"
+}
+
+show_ref() {
+    for ref in ${allrefs[@]} ; do
+	ref_test "refs/${ref_type}/${ref}" "Git reference refs/${ref_type}/${ref} should exist" "Error testing git reference refs/${ref_type}/${ref}"
+    done
+}
+
+archive_ref() {
+    git archive --format=tar.gz --prefix=parabolaiso-"${version}"/ "refs/${ref_type}/${release}" > parabolaiso-"${version}".tar.gz
+}
+
+archive() {
+    git tag -s -m "tag ${release}" "${release}" "${release_branch}"
+    archive_ref
+    gpg --detach-sign --use-agent parabolaiso-"${version}".tar.gz
+}
+
+dist_expand() {
+    index="$(mktemp)"
+
+    es=0
+    git show-ref --quiet "refs/heads/${release_branch}" || es=$?
+
+    if [[ $es == 0 ]] ; then
+	expand "${releng}" releng
+    elif [[ $es == 1 ]] ; then
+	expand_empty
+	echo "Release branch created."
+    elif [[$es > 1 ]] ; then
+	error "Error testing the release branch"
+    fi
+
+    for i in ${!branches[@]} ; do
+	expand ${refs[$i]} ${branches[$i]}
+    done
+}
+
+if [[ ${type} == dist ]] ; then
+    ref_type="tags"
+    dist
+    release_prepare
+    show_ref
+    dist_expand
+    archive
+elif [[ ${type} == dist-branches ]] ; then
+    ref_type="heads"
+    dist_branches
+    show_ref
+    dist_expand
+    archive_ref
+else
+     error "Second argument is not correct"
+fi
-- 
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