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106 lines
2.6 KiB
106 lines
2.6 KiB
# |
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# Defines helper functions. |
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# |
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# Authors: |
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# Sorin Ionescu <sorin.ionescu@gmail.com> |
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# |
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# Checks boolean variable for "true". |
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# Case insensitive: "1", "y", "yes", "t", "true", "o", and "on". |
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function is-true { |
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[[ -n "$1" && "$1" == (1|[Yy]([Ee][Ss]|)|[Tt]([Rr][Uu][Ee]|)|[Oo]([Nn]|)) ]] |
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} |
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# Prints the first non-empty string in the arguments array. |
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function coalesce { |
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for arg in $argv; do |
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print "$arg" |
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return 0 |
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done |
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return 1 |
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} |
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# Checks if a file can be autoloaded by trying to load it in a subshell. |
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function autoloadable { |
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( unfunction $1 ; autoload -U +X $1 ) &> /dev/null |
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} |
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# Loads Oh My Zsh modules. |
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function omodload { |
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local omodule |
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# Extended globbing is needed for autoloading of module functions. |
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setopt EXTENDED_GLOB |
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# Add functions and completions to fpath. |
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fpath=(${argv:+${OMZ}/modules/${^argv}/{functions,completions}(/FN)} $fpath) |
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# Load Oh My Zsh functions. |
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for ofunction in $OMZ/modules/**/functions/^([_.]*|prompt_*_setup)(.N:t); do |
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autoload -Uz "$ofunction" |
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done |
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unset ofunction |
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# Extended globbing is no longer needed. |
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unsetopt EXTENDED_GLOB |
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for omodule in "$argv[@]"; do |
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if zstyle -t ":omz:module:$omodule" loaded; then |
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continue |
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elif [[ ! -d "$OMZ/modules/$omodule" ]]; then |
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print "$0: no such module: $omodule" >&2 |
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continue |
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else |
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if [[ -f "$OMZ/modules/$omodule/init.zsh" ]]; then |
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source "$OMZ/modules/$omodule/init.zsh" |
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fi |
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if (( $? == 0 )); then |
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zstyle ":omz:module:$omodule" loaded 'yes' |
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else |
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zstyle ":omz:module:$omodule" loaded 'no' |
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fi |
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fi |
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done |
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} |
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# Trap signals were generated with 'kill -l'. |
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# DEBUG, EXIT, and ZERR are Zsh signals. |
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TRAP_SIGNALS=( |
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ABRT ALRM BUS CHLD CONT EMT FPE HUP ILL INFO INT IO KILL PIPE PROF QUIT |
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SEGV STOP SYS TERM TRAP TSTP TTIN TTOU URG USR1 USR2 VTALRM WINCH XCPU XFSZ |
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DEBUG EXIT ZERR |
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) |
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# Adds a function to a list to be called when a trap is triggered. |
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function add-zsh-trap { |
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if (( $# < 2 )); then |
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print "usage: $0 type function" >&2 |
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return 1 |
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fi |
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if [[ -z "$TRAP_SIGNALS[(r)$1]" ]]; then |
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print "$0: unknown signal: $1" >&2 |
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return 1 |
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fi |
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local trap_functions="TRAP${1}_FUNCTIONS" |
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if (( ! ${(P)+trap_functions} )); then |
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typeset -gaU "$trap_functions" |
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fi |
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eval "$trap_functions+="$2"" |
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if (( ! $+functions[TRAP${1}] )); then |
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eval " |
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function TRAP${1} { |
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for trap_function in \"\$TRAP${1}_FUNCTIONS[@]\"; do |
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if (( \$+functions[\$trap_function] )); then |
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\"\$trap_function\" \"\$1\" |
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fi |
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done |
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return \$(( 128 + \$1 )) |
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} |
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" |
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fi |
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} |
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