swtrunk

#!/bin/bash
# @Function
# switch svn work directory to trunk.
#
# @Usage
#   $ ./swtrunk [<svn work dir>...]
#
# @online-doc https://github.com/oldratlee/useful-scripts/blob/dev-2.x/docs/vcs.md#-swtrunk
# @author Jerry Lee (oldratlee at gmail dot com)

# NOTE: $'foo' is the escape sequence syntax of bash
readonly ec=$'\033'      # escape char
readonly eend=$'\033[0m' # escape end

colorEcho() {
    local color=$1
    shift
    # if stdout is console, turn on color output.
    [ -t 1 ] && echo "${ec}[1;${color}m$*$eend" || echo "$@"
}

redEcho() {
    colorEcho 31 "$@"
}

greenEcho() {
    colorEcho 32 "$@"
}

[ $# -eq 0 ] && dirs=(.) || dirs=("$@")

for d in "${dirs[@]}"; do
    [ ! -d "${d}/.svn" ] && {
        redEcho "directory $d is not a svn work directory, ignore directory $d !"
        continue
    }
    (
        cd "$d" &&
            branches=$(svn info | grep '^URL' | awk '{print $2}') &&
            trunk=$(echo "$branches" | awk -F'/branches/' '{print $1}')/trunk &&
            if svn sw "$trunk"; then
                greenEcho "svn work directory $d switch from ${branches} to ${trunk} ."
            else
                redEcho "fail to switch $d to trunk!"
            fi
    )
done