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https://github.com/Tarrasch/zsh-autoenv.git
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Adopt varstash from http://github.com/cxreg/smartcd
Decouple it from smartcd and consider it zsh-only. This also adds required library functions from smartcd's lib/core/arrays.
This commit is contained in:
Daniel Hahler
parent
54124e128b
commit
0bcbeb5ae5
151
lib/varstash
151
lib/varstash
@ -1,6 +1,8 @@
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################################################################################
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# Stash/unstash support for per-directory variables
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#
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# Adopted for zsh-autoenv.
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#
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# Copyright (c) 2009,2012 Dave Olszewski <cxreg@pobox.com>
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# http://github.com/cxreg/smartcd
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#
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@ -36,18 +38,6 @@
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#
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# autostash PATH=/something/else
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#
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# If you run stash, unstash, or varstash interactively, they will instruct
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# you on how to create smartcd scripts for performing those actions
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# automatically. You can affect this behavior with several variables:
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#
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# VARSTASH_QUIET - Set if you'd rather not see these notices
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#
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# VARSTASH_AUTOCONFIG - Set if you want the suggested actions to be
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# performed automatically
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#
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# VARSTASH_AUTOEDIT - Set if you want it to set the values, but also
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# give you an opportunity to edit the file
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#
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# If you attempt to stash the same value twice, a warning will be displayed
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# and the second stash will not occur. To make it happen anyway, pass -f
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# as the first argument to stash.
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@ -65,22 +55,51 @@
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#
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################################################################################
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# Library functions, from smartcd's lib/core/arrays. {{{
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function apush() {
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local var=$1; shift
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eval "$var=(\${$var[@]} \"\$@\")"
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}
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function alen() {
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local var=$1
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if [[ -n $var ]]; then
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eval "echo \${#$var[@]}"
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fi
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}
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function afirst() {
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setopt localoptions && setopt ksharrays
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local var=$1
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if [[ -n $var ]] && (( $(eval "echo \${#$var[@]}") >= 1 )); then
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eval "echo \"\${$var""[0]}\""
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fi
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}
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function ashift() {
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setopt localoptions && setopt ksharrays
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local var=$1
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local _ashift_return=
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if [[ -n $var ]] && (( $(eval "echo \${#$var[@]}") >= 1 )); then
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eval "_ashift_return=\"\${$var""[0]}\""
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eval "$var""[0]=()"
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echo "$_ashift_return"
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fi
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}
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# }}}
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function stash() {
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if [[ $1 == "-f" ]]; then
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local force=1; shift
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fi
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if [[ -n $1 ]] && [[ -z $run_from_smartcd ]] && [[ -z $run_from_autostash ]]; then
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local working_dir="${varstash_dir:-$(pwd)}"
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local smartcd_dir="$(_smartcd_base)/scripts$working_dir"
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local help_action="stashing a variable"
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local help_dir=$smartcd_dir
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local help_cmd="echo stash $@ >> \"$smartcd_dir/bash_enter\""
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local help_which="bash_enter"
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_manual_stash_help
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fi
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while [[ -n $1 ]]; do
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if [[ $1 == "alias" && $2 =~ "=" ]]; then
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shift
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@ -210,16 +229,6 @@ function stash() {
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}
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function autostash() {
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if [[ -n $1 ]] && [[ -z $run_from_smartcd ]]; then
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local working_dir="${varstash_dir:-$(pwd)}"
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local smartcd_dir="$(_smartcd_base)/scripts$working_dir"
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local help_action="autostashing a variable"
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local help_dir=$smartcd_dir
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local help_cmd="echo autostash $@ >> \"$smartcd_dir/bash_enter\""
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local help_which="bash_enter"
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_manual_stash_help
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fi
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local run_from_autostash=1
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while [[ -n $1 ]]; do
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if [[ $1 == "alias" && $2 =~ "=" ]]; then
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@ -240,16 +249,6 @@ function autostash() {
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}
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function unstash() {
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if [[ -n $1 ]] && [[ -z $run_from_smartcd ]] && [[ -z $run_from_autounstash ]]; then
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local working_dir=${varstash_dir:-$(pwd)}
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local smartcd_dir="$(_smartcd_base)/scripts$working_dir"
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local help_action="unstashing a variable"
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local help_dir=$smartcd_dir
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local help_cmd="echo unstash $@ >> \"$smartcd_dir/bash_leave\""
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local help_which="bash_leave"
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_manual_stash_help
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fi
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while [[ -n $1 ]]; do
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local unstash_which=$1
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if [[ -z $unstash_which ]]; then
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@ -335,74 +334,10 @@ function autounstash() {
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}
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function _mangle_var() {
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local mangle_var_where="${varstash_dir:-$(pwd)}"
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local mangle_var_where="${varstash_dir:-$PWD}"
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mangle_var_where=${mangle_var_where//[^A-Za-z0-9]/_}
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local mangled_name=${1//[^A-Za-z0-9]/_}
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echo "_tmp_${mangle_var_where}_${mangled_name}"
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}
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function _manual_stash_help() {
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# instruct user how to create bash_enter or bash_leave
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if [[ -n $VARSTASH_AUTOEDIT || -n $VARSTASH_AUTOCONFIG ]]; then
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if [[ -z $VARSTASH_QUIET ]]; then
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echo "varstash: Automatically running $help_cmd"
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fi
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if [[ ! -d $help_dir ]]; then
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mkdir -p "$help_dir"
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fi
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eval $help_cmd
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if [[ -n $VARSTASH_AUTOEDIT ]]; then
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varstash_edit $help_which
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fi
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elif [[ -z $VARSTASH_QUIET ]]; then
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echo "############################################################################"
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echo "# You are manually $help_action. To automatically perform this"
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echo "# whenever you enter this directory, paste the following command(s):"
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if [[ ! -d $help_dir ]]; then
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echo "mkdir -p \"$help_dir\""
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fi
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echo "$help_cmd"
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echo "############################################################################"
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fi
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}
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# A couple convenient aliases for smartcd_edit
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function autostash_edit() {
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varstash_edit "$@"
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}
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function varstash_edit() {
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local file="$1"
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local dir="$2"
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if [[ -n $ZSH_VERSION ]]; then
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if [[ $(type smartcd_edit) == "smartcd_edit is a shell function" ]]; then
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local can_run=1
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fi
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else
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if [[ $(type -t smartcd_edit) == "function" ]]; then
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local can_run=1
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fi
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fi
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if [[ -n "$can_run" ]]; then
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# XXX - no support for "--host" or "--system" with this (yet?)
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_smartcd_file_check "$file" "global" "" edit "$dir"
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else
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echo "smartcd not loaded, cannot run smartcd_edit"
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fi
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}
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# Run deferred smartcd if we're waiting for it, and arrays is also loaded
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if [[ -n "$smartcd_initially_deferred" && -n "$(fn_exists apush)" && -z "$SMARTCD_NOINITIAL" ]]; then
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smartcd_skip_action=1
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smartcd_run_mainline=1
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smartcd cd
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unset smartcd_skip_action
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unset smartcd_initially_deferred
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fi
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# vim: filetype=sh autoindent expandtab shiftwidth=4 softtabstop=4
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