mirror of
https://github.com/sbrl/bin.git
synced 2018-01-10 21:33:46 +00:00
Merge branch 'master' of github.com:sbrl/bin
This commit is contained in:
commit
4bdf8af294
GPG key ID:
1BE5172E637709C2
1 changed files with 69 additions and 44 deletions
113
tldr
113
tldr
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@ -1,8 +1,8 @@
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#!/usr/bin/env bash
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set +vx -o pipefail
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[[ $- = *i* ]] && echo "Don't source this script!" && return 1
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version='0.36'
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# tldr-bash-client version 0.36
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version='0.39'
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# tldr-bash-client version 0.39
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# Bash client for tldr: community driven man-by-example
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# - forked from Ray Lee, https://github.com/raylee/tldr
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# - modified and expanded by pepa65: https://github.com/pepa65/tldr-bash-client
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@ -49,21 +49,23 @@ version='0.36'
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# $1: [optional] exit code; Uses: version cachedir
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Usage(){
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Out "$(cat <<-EOF
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$HHE$version
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$E$version
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$HDEUSAGE: $HHE$(basename "$0")$XHHE [${HOP}option$XHOP] [${HPL}platform$XHPL/]${HCO}command$XHCO
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${HDE}USAGE: $HHE$(basename "$0")$XHHE [${HOP}option$XHOP] [${HPL}platform$XHPL/]${HCO}command$XHCO
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$HDE[${HPL}platform$XHPL/]${HCO}command$XHCO: Show page for ${HCO}command$XHCO (from ${HPL}platform$XHPL)
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${HPL}platform$XHPL (optional) one of: ${HPL}common$XHPL, ${HPL}linux$XHPL, ${HPL}osx$XHPL, ${HPL}sunos$XHPL, ${HPL}current$XHPL (includes common)
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${HPL}platform$XHPL (optional) one of: ${HPL}common$XHPL, ${HPL}linux$XHPL, ${HPL}osx$XHPL, ${HPL}sunos$XHPL, ${HPL}windows$XHPL,
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${HPL}current$XHPL (includes ${HPL}common$XHPL)
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${HOP}option$XHOP is optionally one of:
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$HOP-s$XHOP, $HOP--search$XHOP ${HFI}regex$XHFI: Search for ${HFI}regex$XHFI in all tldr pages
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$HOP-l$XHOP, $HOP--list$XHOP [${HPL}platform$XHPL]: List all pages (from ${HPL}platform$XHPL)
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$HOP-a$XHOP, $HOP--list-all$XHOP: List all pages from current platform + common
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$HOP-r$XHOP, $HOP--render$XHOP ${HFI}file$XHFI: Render a local ${HFI}file$XHFI as tldr markdown
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$HOP-r$XHOP, $HOP--render$XHOP ${HFI}file$XHFI: Render ${HFI}file$XHFI as tldr markdown
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$HOP-m$XHOP, $HOP--markdown$XHOP ${HCO}command$XHCO: Show the markdown source for ${HCO}command$XHCO
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$HOP-u$XHOP, $HOP--update$XHOP: Update the pages cache by downloading repo archive
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$HOP-v$XHOP, $HOP--version$XHOP: Version number and local repo location
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$HOP-v$XHOP, $HOP--version$XHOP: Version number and github repo location
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$HDE[$HOP-h$XHOP, $HOP-?$XHOP, $HOP--help$XHOP]: This help overview
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${HDE}Element styling:$XHDE ${T}Title$XT ${D}Description$XD ${E}Example$XE ${C}Code$XC ${V}Value$XV
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@ -189,6 +191,8 @@ Config(){
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Darwin) os='osx' ;;
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Linux) os='linux' ;;
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SunOS) os='sunos' ;;
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CYGWIN*) os='windows' ;;
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MINGW*) os='windows' ;;
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esac
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Init_term
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[[ $TLDR_LESS = 0 ]] &&
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@ -208,11 +212,12 @@ Config(){
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pages_url='https://raw.githubusercontent.com/tldr-pages/tldr/master/pages'
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zip_url='http://tldr.sh/assets/tldr.zip'
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read cachedir <<<$TLDR_CACHE
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[[ $cachedir ]] || {
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[[ $XDG_DATA_HOME ]] && cachedir=$XDG_DATA_HOME/tldr \
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|| cachedir=$HOME/.local/share/tldr
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}
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cachedir=$(echo $TLDR_CACHE)
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if [[ -z $cachedir ]]
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then
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[[ $XDG_DATA_HOME ]] && cachedir=$XDG_DATA_HOME/tldr ||
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cachedir=$HOME/.local/share/tldr
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fi
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[[ -d "$cachedir" ]] || mkdir -p "$cachedir" || {
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Err "Can't create the pages cache location $cachedir"
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exit 4
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@ -220,6 +225,9 @@ Config(){
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index=$cachedir/index.json
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# update if the file doesn't exists, or if it's older than $TLDR_EXPIRY
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[[ -f $index ]] && Recent "$index" || Cache_fill 0
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# initiate autocomplete for current session
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complete -W "$(q=($cachedir/*/*); sed 's@\.md @ @g' <<<${q[@]##*/})" tldr
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}
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# $1: error message; Uses: md REPLY ln
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@ -231,7 +239,7 @@ Unlinted(){
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# $1: page; Uses: index cachedir pages_url platform os dl cached md
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# Sets: cached md
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Get_tldr(){
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local desc err notfound
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local desc err=0 notfound
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# convert the local platform name to tldr's version
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# extract the platform key from index.json, return preferred subpath to page
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desc=$(tr '{' '\n' <"$index" |grep "\"name\":\"$1\"")
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@ -239,10 +247,9 @@ Get_tldr(){
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[[ $desc ]] || return # nothing found
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error=0
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if [[ $platform ]]
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then # platform given on commandline
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[[ ! $desc =~ \"$platform\" ]] && notfound=$I$platform$XI && error=1 || md=$platform/$1.md
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[[ ! $desc =~ \"$platform\" ]] && notfound=$I$platform$XI && err=1 || md=$platform/$1.md
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else # check common
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[[ $desc =~ \"common\" ]] && md=common/$1.md || { # not in common either
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[[ $notfound ]] && notfound+=" or "
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@ -254,11 +261,11 @@ Get_tldr(){
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[[ $desc =~ \"$os\" ]] && md=$os/$1.md
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} || {
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notfound+=" or $I$os$XI"
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error=1
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err=1
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}
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# if still no page found, get the first entry in index
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[[ $md ]] || md=$(cut -d "$Q" -f 8 <<<"$desc")/"$1.md"
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((error)) && Err "tldr page $I$1$XI not found in $notfound, from platform $U${md%/*}$XU instead"
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((err)) && Err "tldr page $I$1$XI not found in $notfound, from platform $U${md%/*}$XU instead"
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# return the local cached copy of the tldrpage, or retrieve and cache from github
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cached=$cachedir/$md
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@ -268,7 +275,7 @@ Get_tldr(){
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}
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}
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# $1: text; Uses: page stdout; Sets: ln REPLY
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# $1: file (optional); Uses: page stdout; Sets: ln REPLY
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Display_tldr(){
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local newfmt len val
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ln=0 REPLY=''
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@ -345,24 +352,42 @@ List_pages(){
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exit "$1"
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}
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# $1: regex, $2: exit code; Uses: cachedir
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Find_regex(){
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local list=$(grep "$1" "$cachedir"/*/*.md |cut -d: -f1) regex="$U$1$XU"
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local n=$(wc -l <<<"$list")
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list=$(sort -u <<<"$list")
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[[ -z $list ]] && Err "Regex $regex not found" && exit 6
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local t=$(wc -l <<<"$list")
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if ((t==1))
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then
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Display_tldr "$list"
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else
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Inf "Regex $regex $I$n$XI times found in these $I$t$XI tldr pages:"
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Out "$(while read -r c1 c2 c3; do printf "%-19s %-19s %-19s %-19s$N" $c1 $c2 $c3; done \
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<<<$(sed -e 's@.*/@@' -e 's@...$@@' <<<"$list"))"
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fi
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exit "$2"
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}
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# $1: exit code; Uses: dl cachedir zip_url
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Cache_fill(){
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local tmp unzip
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unzip="$(type -p unzip) -q" || {
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Err "Unzip is necessary to fill the cache"
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exit 6
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exit 7
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}
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tmp=$(mktemp -d)
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$dl "$tmp/pages.zip" "$zip_url" || {
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rm -- "$tmp"
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Err "Could not download pages archive from $U$zip_url$XU with $dl"
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exit 7
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exit 8
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}
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$unzip "$tmp/pages.zip" -d "$tmp" 'pages/*' || {
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rm -- "$tmp"
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Err "Couldn't unzip the cache archive on $tmp/pages.zip"
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exit 8
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}
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exit 9
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}
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rm -rf -- "${cachedir:?}/"*
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mv -- "$tmp/pages/"* "${cachedir:?}/"
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rm -rf -- "$tmp"
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@ -372,56 +397,56 @@ Cache_fill(){
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# $@: commandline parameters; Uses: version cached; Sets: platform page
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Main(){
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local markdown err nomore='No more command line arguments allowed'
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local markdown=0 err=0 nomore='No more command line arguments allowed'
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Config
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markdown=0 err=0
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case "$1" in
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-s|--search) [[ -z $2 ]] && Err "Search term (regex) needed" && Usage 10
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[[ $3 ]] && Err "$nomore" && err=11
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Find_regex "$2" "$err" ;;
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-l|--list) [[ $2 ]] && {
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platform=$2
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[[ ,common,linux,osx,sunos,current, = *,$platform,* ]] || {
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Err "Unknown platform $I$platform$XI"
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Usage 9
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}
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[[ $3 ]] && Err "$nomore" && err=10
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[[ ,common,linux,osx,sunos,windows,current, != *,$platform,* ]] &&
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Err "Unknown platform $I$platform$XI" && Usage 12
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[[ $3 ]] && Err "$nomore" && err=13
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}
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List_pages "$err" ;;
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-a|--list-all) [[ $2 ]] && Err "$nomore" && err=11
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-a|--list-all) [[ $2 ]] && Err "$nomore" && err=14
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platform=current
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List_pages $err ;;
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-u|--update) [[ $2 ]] && Err "$nomore" && err=12
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-u|--update) [[ $2 ]] && Err "$nomore" && err=15
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Cache_fill "$err" ;;
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-v|--version) [[ $2 ]] && Err "$nomore" && err=13
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-v|--version) [[ $2 ]] && Err "$nomore" && err=16
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Inf "$version"
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exit "$err" ;;
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-r|--render) [[ -z $2 ]] && Err "Specify a file to render" && Usage 14
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[[ $3 ]] && Err "$nomore" && err=15
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-r|--render) [[ -z $2 ]] && Err "Specify a file to render" && Usage 17
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[[ $3 ]] && Err "$nomore" && err=18
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[[ -f "$2" ]] && {
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Display_tldr "$2" && exit "$err"
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Err "A file error occured"
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exit 16
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} || Err "No file: ${I}$2$XI" && exit 17 ;;
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exit 19
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} || Err "No file: ${I}$2$XI" && exit 20 ;;
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-m|--markdown) shift
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page=$*
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[[ -z $page ]] && Err "Specify a page to display" && Usage 18
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[[ -z $page ]] && Err "Specify a page to display" && Usage 21
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[[ -f "$page" && ${page: -3:3} = .md ]] && Out "$(cat "$page")" && exit 0
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markdown=1 ;;
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''|-h|-\?|--help) [[ $2 ]] && Err "$nomore" && err=19
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''|-h|-\?|--help) [[ $2 ]] && Err "$nomore" && err=22
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Usage "$err" ;;
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-*) Err "Unrecognized option $I$1$XI"; Usage 20 ;;
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-*) Err "Unrecognized option $I$1$XI"; Usage 23 ;;
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*) page=$* ;;
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esac
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[[ -z $page ]] && Err "No command specified" && Usage 21
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[[ ${page:0:1} = '-' || $page = *' '-* ]] && Err "Only one option allowed" && Usage 22
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[[ -z $page ]] && Err "No command specified" && Usage 24
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[[ ${page:0:1} = '-' || $page = *' '-* ]] && Err "Only one option allowed" && Usage 25
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[[ $page = */* ]] && platform=${page%/*} && page=${page##*/}
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[[ $platform && ,common,linux,osx,sunos, != *,$platform,* ]] && {
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[[ $platform && ,common,linux,osx,sunos,windows, != *,$platform,* ]] && {
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Err "Unknown platform $I$platform$XI"
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Usage 23
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Usage 26
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}
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Get_tldr "${page// /-}"
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[[ ! -s $cached ]] && Err "tldr page for command $I$page$XI not found" \
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&& Inf "Contribute new pages at:$XB ${URL}https://github.com/tldr-pages/tldr$XURL" && exit 24
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&& Inf "Contribute new pages at:$XB ${URL}https://github.com/tldr-pages/tldr$XURL" && exit 27
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((markdown)) && Out "$(cat "$cached")" || Display_tldr "$cached"
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}
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