fossil-uv-export

#!/bin/sh

_fossil()
{
    # Use `unix-none` vfs to avoid locking over NFS
    fossil --vfs unix-none "$@"
}

uv_extract()
{
    local repo=$1
    shift

    local data=$(_fossil uv ls -l -R "$repo")
    case $data in '' ) return 1 ;; esac

    local basename=${repo##*/}
    local    uvdir=${basename%.fossil}.uv
    local    stamp=$(echo "$data" | sort -k2,2 | awk 'END { print $2 }')
    local      dst=$uvdir.$stamp
    local      err=0

    mkdir -p "$dst"
    echo "$data" |
        {
            while read cksum date time size1 size2 file; do
                echo $dst/$file
                if ! _fossil uv export -R "$repo" "$file" "$dst/$file" ; then
                    err=1
                    mv -v "$dst" "$dst.BAD"
                    break
                fi

                touch -d "$date $time" "$dst/$file"
                if [ "$date $time" '>' "$fdate $ftime" ]; then
                    fdate=$date
                    ftime=$time
                fi
            done

            # We have to do this in loop block to keep variable scope
            if [ $err -eq 0 ] && [ "$fdate" != 0 ]; then
                touch -d "$fdate $ftime" "$dst"
            fi
        }
}

main()
{
    for repo in "$@"; do
        echo "** $repo"
        uv_extract "$repo"
    done
}

main "$@"

# eof