go-set-versions

#!/bin/sh
# Reset versions based on a manifest file

eval `go env`

setGitVer() {
    pkg="$1"
    ver="$2"

    echo "Setting git version of $pkg to $ver"
    git reset --hard "$ver"
}

setHgVer() {
    pkg="$1"
    ver="$2"

    echo "Setting hg version of $pkg to $ver"
    hg checkout -C -r "$ver"
}

setVer() {
    pkg="$1"
    ver="$2"

    cd "$GOPATH/src/$pkg" || exit 1
    gitv=`git describe --always 2>/dev/null`

    if [ $? -eq 0 ]
    then
        if [ "$gitv" != "$ver" ]
        then
            setGitVer "$pkg" "$ver"
        fi
    else
        hgv=`hg identify -i`
        if [ $? -ne 0 ]
        then
            echo "Warning: Can't identify $pkg"
        else
            if [ "$hgv" != "$ver" ]
            then
                setHgVer "$pkg" "$ver"
            fi
        fi
    fi
}

cat $1 | while read pkg ver
do
    setVer "$pkg" "$ver"
done