Add bin directory with some helper scripts

Signed-off-by: Diego Pasqualin <dpasqualin@c3sl.ufpr.br>

bin/le-publica.sh

+#!/bin/bash
+#
+# Copyright (C) 2004-2010 Centro de Computacao Cientifica e Software Livre
+# Departamento de Informatica - Universidade Federal do Parana - C3SL/UFPR
+#
+# This file is part of Linux Educacional project
+#
+# Linux Educacional is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+# USA.
+
+# This script is used to updated on mirror based on another.
+# It will look for packages on <from> mirror and check whether they can be
+# updated on <to> mirror. It always asks if you want to update before doing
+# it.
+
+if (( $# < 2 )) || [[ "$1" == "--help" ]]; then
+    printf "Uso: le-publica repositorio arquivo1 [arquivo2 ... arquivoN]\n"
+    printf "     repositorio = le-unstable | le-testing | le-stable | le-educ | le5-unstable | le5-testing | le5-stable | mc-unstable | mc-testing | mc-stable\n"
+    exit 1
+fi
+
+REPOSITORIO=$1
+shift 1
+ARQUIVOS=$*
+
+if ! egrep -q "(le-testing|le-unstable|le-stable|le-educ|le5-unstable|le5-testing|le5-stable|mc-unstable|mc-testing|mc-stable)" <<< $REPOSITORIO; then
+    printf "\"$REPOSITORIO\": Nao conhecido"
+    printf ", rode $0 --help para saber mais\n"
+    exit 1
+fi
+
+for pkg in $ARQUIVOS; do
+    if ! test -e "$pkg"; then
+        echo "ERROR: file doesn't exist: $pkg"
+        exit 1
+    fi
+done
+
+printf "Enviando arquivos:\n"
+scp $ARQUIVOS $REPOSITORIO@windu.c3sl.ufpr.br:incoming
+
+exit $?

bin/update_mirror.sh

+#!/bin/bash
+#
+# Copyright (C) 2004-2010 Centro de Computacao Cientifica e Software Livre
+# Departamento de Informatica - Universidade Federal do Parana - C3SL/UFPR
+#
+# This file is part of Linux Educacional project
+#
+# Linux Educacional is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+# USA.
+
+# This script is used to updated on mirror based on another.
+# It will look for packages on <from> mirror and check whether they can be
+# updated on <to> mirror. It always asks if you want to update before doing
+# it.
+
+TMPDIR=$(mktemp -d --tmpdir=/tmp)
+PUBLISHSCRIPT="$(dirname $0)/le-publica.sh"
+HOST="http://windu.c3sl.ufpr.br/le"
+
+function clean() {
+    rm -rf $TMPDIR
+    exit 0
+}
+
+trap "clean" SIGINT SIGTERM
+
+# Build the URL for the Packages file
+function buildURL() {
+    local status="$1"
+    echo "http://windu.c3sl.ufpr.br/le/dists/le-$status/main/binary-i386/Packages"
+}
+
+# Return a string containing the tuple package:version with all packages
+# from $repoFile
+function getPackagesAndVersions() {
+    local repoFile=$1
+    local pkgAndVersion=""
+    local version=""
+
+    for pkg in $(grep '^Package:' $repoFile | awk '{print $2}'); do
+        version=$(awk "/^Package: ${pkg}$/,/^$/" $repoFile |
+                  grep "^Version:" | awk '{print $2}')
+        pkgAndVersion="$pkgAndVersion $pkg:$version"
+    done
+    echo "$pkgAndVersion"
+}
+
+# Ask the user whether he wants to update the package, return true if the
+# user answer Yes and false otherwise
+function askUpdate() {
+    local repo=$1
+    local pkg=$2
+    local vFrom=$3
+    local vTo=$4
+    read -p "Update mirror le-$repo, $pkg ($vTo -> $vFrom) (y/N)? " yn
+    test "$yn" = "y" || test "$yn" = "s"
+}
+
+# Ask whether the user wants to include the package into the repository,
+# return true if the user answer Yes ans false otherwise
+function askInclude() {
+    local repo=$1
+    local pkg=$2
+    local version=$3
+    read -p "$pkg:$version doesn't exist on le-$repo, include it (y/N)? " yn
+    test "$yn" = "y" || test "$yn" = "s"
+}
+
+# Return the link to download the package $pkg
+function getDownloadLink() {
+    local pkg=$1
+    local link=""
+
+    link=$(grep -m1 "Filename:.*${pkg}/${pkg}_" $FROMREPOFILE | awk '{print $2}')
+
+    echo "$HOST/$link"
+}
+
+# Perform the update of package $pkg on the repository
+function doUpdate() {
+    local pkg="$1"
+    local pkgFile="$TMPDIR/$pkg.deb"
+
+    wget -q $(getDownloadLink $pkg) -O "$pkgFile"
+
+    echo "---------------------------------------------"
+    echo "Updating $pkg..."
+
+    $PUBLISHSCRIPT le-$TOREPO "$pkgFile"
+
+    if test $? -ne 0; then
+        echo "ERROR updating $pkg."
+        read -p "Continue? (y/N) " yn
+        if ! (test "$yn" = "y" || test "$yn" = "s"); then
+            exit 1
+        fi
+    else
+        echo "$pkg updated."
+    fi
+    echo "---------------------------------------------"
+
+    rm -f "$pkgFile"
+}
+
+# Sanity check
+if test $# -ne 2; then
+    echo "$0 <from> <to>"
+    exit 1
+elif ! test -f "$PUBLISHSCRIPT"; then
+    echo "Error finding $PUBLISHSCRIPT"
+    echo "This script is needed to publish packages"
+fi
+
+FROMREPO=$1
+TOREPO=$2
+
+FROMREPOFILE="$TMPDIR/$FROMREPO"
+TOREPOFILE="$TMPDIR/$TOREPO"
+
+# Download the Packages file, which contains information about all the
+# packages that are part of the repository
+wget -q $(buildURL $FROMREPO) -O $FROMREPOFILE || exit 1
+wget -q $(buildURL $TOREPO) -O $TOREPOFILE || exit 1
+
+fromPkgAndVersion="$(getPackagesAndVersions $FROMREPOFILE)"
+toPkgAndVersion="$(getPackagesAndVersions $TOREPOFILE)"
+
+# Iterate over all packages from the base repository $FROMREPO and check
+# whether the destination repository has a different version of it, or if
+# it doesn't have the package at all
+for pkgVersionFrom in $fromPkgAndVersion; do
+    pkgFrom=$(echo $pkgVersionFrom | cut -d: -f1)
+    versionFrom=$(echo $pkgVersionFrom | cut -d: -f2)
+    found=false
+    for pkgVersionTo in $toPkgAndVersion; do
+        pkgTo=$(echo $pkgVersionTo | cut -d: -f1)
+        if test $pkgFrom = $pkgTo; then
+            versionTo=$(echo $pkgVersionTo | cut -d: -f2)
+            found=true
+            if dpkg --compare-versions $versionFrom gt $versionTo; then
+                if askUpdate $TOREPO $pkgTo $versionFrom $versionTo; then
+                    doUpdate $pkgTo
+                fi
+            elif dpkg --compare-versions $versionFrom gt $versionTo; then
+                # It's very weird to have a newer version of the package on
+                # the destination repository, let's have the user to know about
+                # it
+                echo -n "WARNING: $pkgFrom($versionFrom) in $FROMREPO is"
+                echo    " greater than $pkgTo($versionTo) in $TOREPO."
+            fi
+            break
+        fi
+    done
+    # We didn't find this package on the destionation repository, maybe the
+    # user wants to add it. Let's ask him
+    if ! $found && askInclude $TOREPO $pkgFrom $versionFrom; then
+        doUpdate $pkgTo
+    fi
+done
+
+# Clean temp files before exit
+clean