Project

General

Profile

« Previous | Next » 

Revision 13364

Added by Aaron Marcuse-Kubitza over 10 years ago

lib/sh/util.sh: import_vars: documented that it's idempotent

View differences:

trunk/lib/sh/util.sh
120 120 

  		




  121
  121
  
    
# usage: local prefix=..._; import_vars


  		




  122
  122
  
    
# when used inside another alias 2+ levels deep, *must* be run inside a function


  		




  123
  
  
    
# vars already set will *not* be overwritten


  		




  
  123
  
    
# idempotent: vars already set will *not* be overwritten


  		




  124
  124
  
    
alias import_vars="$(cat <<'EOF'


  		




  125
  125
  
    
: "${prefix:?}"


  		




  126
  126
  
    
declare src_var dest_var


  		












  

    
      trunk/lib/sh/db.sh
    
  





  5
  5
  
    
if self_not_included; then


  		




  6
  6
  
    

  		




  7
  7
  
    
# using prefixed connection vars


  		




  
  8
  
    
# idempotent


  		




  8
  9
  
    
alias ssh2local='declare prefix=ssh_; import_vars; unset prefix


  		




  9
  10
  
    
declare $(prefix=ssh_ get_prefix_vars); unset $(prefix=ssh_ get_prefix_vars)'


  		




  10
  11
  
    
alias use_local='declare prefix=local_; import_vars; unset prefix'


  		












Also available in:  Unified diff