freenet-scripts-common

#!/bin/bash

#
# Contains shared utility functions.
#

# Path to configuration file.
configPath="$HOME/.freenetrc"

# Takes a build number as an argument
# Saves a comparsion between the localization of that build and the previous
# as "$oldBuild-$newBuild.diff.txt" in the release directory.
function compareL10n {
    pushd "$fredDir"
    newBuild="$1"
    oldBuild=$((newBuild - 1))
    echo Checking for English localization changes between $newBuild and $oldBuild
    for build in "$oldBuild" "$newBuild"
    do
        git checkout $(printf 'build%05d' "$build") || exit 1003
        cp "src/freenet/l10n/freenet.l10n.en.properties" "$build"
    done
    diffName="$oldBuild-$newBuild.diff.txt"
    diff -u0 "$oldBuild" "$newBuild" > "$diffName"
    less "$diffName"
    cp "$diffName" "$releaseDir" || exit 1002
    popd
}

# Sets $gitVersion, $buildNumber, and $commitID.
# All of these are set for the highest build number.
function getBuildInfo {
    pushd "$fredDir" || exit
    if [[ x"$1" == x"snapshot" || x"$1" == x"testing" ]]; then
        versionMatcher='testing-build[-0-9]*-pre*';
    else
        versionMatcher='build[0-9]*';
    fi
    # Get highest build number, sorted numerically.
    # Git tag includes only those tags starting with "build", and the awk
    # substring excludes the first 5 characters, which are "build".
    buildNumber=$(git tag -l "${versionMatcher}" | grep -o "[0-9]*" | sort --numeric-sort | tail -n1)
    buildNumber=${buildNumber##0}
    # Get tag with highest build number.
    gitVersion=$(git tag -l "${versionMatcher}" | grep "[0-]*$buildNumber" | tail -n1)
    getTagInfo $gitVersion
    popd
}

# Sets $gitVersion, $buildNumber, and $commitID.
# All these are set for the tag given as an argument.
# This tag must be of the form "build<BUILDNUM>" where <BUILDNUM> is the build
# number, possibly with leading zeros.
function getTagInfo {
    pushd "$fredDir" || exit
    gitVersion=$1
    # Strip away everything until the end of "build"
    buildNumber=${gitVersion##*build}
    # Strip possible leading zeros or minusses.
    buildNumber=${buildNumber#[0-]}
    # Resolve tag to commit hash.
    commitID=$(git rev-parse $gitVersion^{})
    popd
}

# Read configuration file if it exists.
function readConfig {
    if [ -f "$configPath" ]; then
        source "$configPath" || exit
    else
        echo Config file does not exist: "$configPath"
        exit 1
    fi
}

# Reads a case insensitive y/n response to the question given in the argument.
# Prints "Aborting." and exits if it is not y.
function require {
    echo -n "$1 [y/N]"
    read response
    if [[ $(echo "$response" | tr '[:upper:]' '[:lower:]') != "y" ]]; then
       echo "Aborting."
       exit 1
    fi
}

# Create a temporary directory, set it to $buildDir, and set a trap to remove it
# on exit.
function makeBuildDir {
    buildDir="$(mktemp -d)" || exit 2

    function rmTemp {
        popd
        echo "Removing temporary build directory."
        rm -rf "$buildDir"
        echo "Done."
    }

    trap rmTemp EXIT
}

function put() {
    fcpput --persistence=forever --global --priority=1 --nowait -H "$fcpHost" -P "$fcpPort" -m "$2" "freenet:CHK@/$(basename "$1")" "$1"
}

readConfig