From 07b9aa23a36a1da27f6c6e905cfb887dec5b063d Mon Sep 17 00:00:00 2001 From: Simon Ruderich Date: Sun, 19 Sep 2010 00:24:23 +0200 Subject: [PATCH] shell/env: Move shell functions to shell/functions. --- shell/env | 88 +---------------------------------------------- shell/functions | 91 +++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 92 insertions(+), 87 deletions(-) create mode 100644 shell/functions diff --git a/shell/env b/shell/env index 1b9750f..ed0ec52 100644 --- a/shell/env +++ b/shell/env @@ -1,16 +1,7 @@ # Configuration file for environment related options for all shells. -# Helper function to print debug information if $DEBUG is not empty. -# -# Doesn't fit perfectly in this file, but this is the best place to make it -# available everywhere. -source_debug() { - if [ x$DEBUG != x ]; then - echo $@ - fi -} - +. ~/.shell/functions source_debug ". ~/.shell/env" @@ -80,83 +71,6 @@ LSCOLORS='ExgxxxxxBxxxxxBdBdExEb' export LSCOLORS -# Sources a configuration file if it exists; loads a fallback .local file if -# it doesn't. If the .local files doesn't exist nothing is sourced. -# -# $1: Path to directory where configuration files are located. -# $2: Directory name in $1 where the non .local files are stored, can be -# empty. If empty both configuration files (normal and .local) are stored -# in $1. -# $3: Base name of file in $2, for example "rc" or "env". -# $4: Extension for $3, if this file doesn't exist "$1/$3.local" is sourced. -# Can be empty, then no extension is used. -# $5: Additional options, set to nolocal to prevent loading of "$1/$3.local" -# if "$1/$2/$3.$4" doesn't exist. -# -# Example with the following directory/file structure, $os is Darwin and -# $hostname is marvin. -# -# ~/.zsh -# ~/.zsh/env -# ~/.zsh/env.local -# ~/.zsh/rc -# ~/.zsh/rc.local -# ~/.zsh/host/rc.marvin -# ~/.zsh/os/rc.Darwin -# -# To load additional rc files from within ~/.zsh/rc use the following: -# -# source_config ~/.zsh os rc $os # loads os/rc.Darwin -# source_config ~/.zsh host rc $hostname # loads host/rc.marvin -# -# To load additional env files from within ~/.zsh/env use the following (note -# nolocal to prevent loading env.local two times if os and host files don't -# exist): -# -# source_config zsh os env $os nolocal # loads os/rc.Darwin -# source_config zsh host env $hostname # loads env.local -# -# By letting $4 empty normal configuration files can be sourced. A .local can -# still be used. -# -# source_config zsh "" file # loads zsh/file if it exists -# -# Doesn't fit perfectly in this file, but this is the best place to make it -# available everywhere. -# -# If DEBUG is set to a non empty value additional debug output is printed. -source_config() { - # Path to the file to source and its local counterpart. - if [ x$4 != x ]; then - source_file=$1/$2/$3.$4 - # If $4 is empty don't append a trailing dot. This allows source_config() - # to load normal configuration files. - else - source_file=$1/$2/$3 - fi - source_file_local=$1/$3.local - - # Additional debug output. - source_debug "source_config(): checking if $source_file exists" - source_debug "source_config(): checking if $source_file_local exists" - - # If the file does exist then source it. - if [ -f $source_file ]; then - source_debug "source_config(): -> sourcing $source_file" - . $source_file - - # Otherwise load the .local file if it exists and .local files are - # allowed. - elif [ -f $source_file_local -a x$5 != xnolocal ]; then - source_debug "source_config(): -> sourcing $source_file_local" - . $source_file_local - else - source_debug "source_config(): -> neither exists" - fi - - unset source_file source_file_local -} - source_debug ". ~/.shell/env (done)" # vim: ft=sh diff --git a/shell/functions b/shell/functions new file mode 100644 index 0000000..8a9bcb3 --- /dev/null +++ b/shell/functions @@ -0,0 +1,91 @@ +# Shell functions useful to all shells. + + +# Helper function to print debug information if $DEBUG is not empty. +# +# Doesn't fit perfectly in this file, but this is the best place to make it +# available everywhere. +source_debug() { + if [ x$DEBUG != x ]; then + echo $@ + fi +} + +# Sources a configuration file if it exists; loads a fallback .local file if +# it doesn't. If the .local files doesn't exist nothing is sourced. +# +# $1: Path to directory where configuration files are located. +# $2: Directory name in $1 where the non .local files are stored, can be +# empty. If empty both configuration files (normal and .local) are stored +# in $1. +# $3: Base name of file in $2, for example "rc" or "env". +# $4: Extension for $3, if this file doesn't exist "$1/$3.local" is sourced. +# Can be empty, then no extension is used. +# $5: Additional options, set to nolocal to prevent loading of "$1/$3.local" +# if "$1/$2/$3.$4" doesn't exist. +# +# Example with the following directory/file structure, $os is Darwin and +# $hostname is marvin. +# +# ~/.zsh +# ~/.zsh/env +# ~/.zsh/env.local +# ~/.zsh/rc +# ~/.zsh/rc.local +# ~/.zsh/host/rc.marvin +# ~/.zsh/os/rc.Darwin +# +# To load additional rc files from within ~/.zsh/rc use the following: +# +# source_config ~/.zsh os rc $os # loads os/rc.Darwin +# source_config ~/.zsh host rc $hostname # loads host/rc.marvin +# +# To load additional env files from within ~/.zsh/env use the following (note +# nolocal to prevent loading env.local two times if os and host files don't +# exist): +# +# source_config zsh os env $os nolocal # loads os/rc.Darwin +# source_config zsh host env $hostname # loads env.local +# +# By letting $4 empty normal configuration files can be sourced. A .local can +# still be used. +# +# source_config zsh "" file # loads zsh/file if it exists +# +# Doesn't fit perfectly in this file, but this is the best place to make it +# available everywhere. +# +# If DEBUG is set to a non empty value additional debug output is printed. +source_config() { + # Path to the file to source and its local counterpart. + if [ x$4 != x ]; then + source_file=$1/$2/$3.$4 + # If $4 is empty don't append a trailing dot. This allows source_config() + # to load normal configuration files. + else + source_file=$1/$2/$3 + fi + source_file_local=$1/$3.local + + # Additional debug output. + source_debug "source_config(): checking if $source_file exists" + source_debug "source_config(): checking if $source_file_local exists" + + # If the file does exist then source it. + if [ -f $source_file ]; then + source_debug "source_config(): -> sourcing $source_file" + . $source_file + + # Otherwise load the .local file if it exists and .local files are + # allowed. + elif [ -f $source_file_local -a x$5 != xnolocal ]; then + source_debug "source_config(): -> sourcing $source_file_local" + . $source_file_local + else + source_debug "source_config(): -> neither exists" + fi + + unset source_file source_file_local +} + +# vim: ft=sh -- 2.45.2