mirror of
https://github.com/denisidoro/navi.git
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Refactor list visualization (#138)
Fixes #137 
This commit is contained in:
Denis Isidoro
GitHub
parent
70bf907840
commit
a0c5a6293b
@ -88,7 +88,7 @@ as a [shell widget](#shell-widget) with no additional setup.
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> to be able to run the command interactively, you will need to do one of the following:
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- Install it to /usr/bin/local (via `sudo make install`)
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- Manually set your `PATH` so that navi can be found.
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- Manually set `$PATH` so that navi can be found.
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You can manually update your path by adding a line like this in your `.zshrc`:
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@ -250,6 +250,12 @@ List customization
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Lists can be stylized with the [$FZF_DEFAULT_OPTS](https://github.com/junegunn/fzf) environment variable. This way, you can change the [color scheme](https://github.com/junegunn/fzf/wiki/Color-schemes), for example.
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In addition:
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- the `--fzf-overrides` option allows you to hide columns, for example
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- the `--col-widths` option allows you to limit column widths
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Please refer to `navi --help` for more details.
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Related projects
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----------------
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@ -1,4 +1,4 @@
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% tar, zip, gzip, compression
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% compression
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# Create a tar containing files
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tar cf <name>.tar <files>
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@ -1,4 +1,4 @@
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% crontab, scheduling
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% crontab, schedule
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# List cron jobs
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crontab -l
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@ -1,4 +1,4 @@
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% docker, container
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% docker
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# Remove an image
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docker image rm <image_id>
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@ -47,7 +47,7 @@ $ container_id: docker ps --- --headers 1 --column 1
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% docker-compose, container
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% docker-compose
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# Builds, (re)creates, starts, and attaches to containers for all services
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docker-compose up
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52
docstring.txt
Normal file
52
docstring.txt
Normal file
@ -0,0 +1,52 @@
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An interactive cheatsheet tool for the command-line
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Usage:
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navi [command] [<args>...] [options]
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Commands:
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search <cmd> Search for cheatsheets on online repositories
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query <cmd> Pre-filter results
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best <cmd> <args>... Considers the best match
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widget <shell> Prints the path for the widget file to be sourced
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Options:
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--print Prevent script execution
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--path List of :-separated paths to look for cheats
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--no-interpolation Prevent argument interpolation
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--no-preview Hide command preview window
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--fzf-overrides Overrides for fzf commands [default: --with-nth 3,1,2 --exact]
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--col-widths Set column widths [default: 15,50,0]
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Environment variables:
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NAVI_PATH List of :-separated paths to look for cheats
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FZF_DEFAULT_OPTS Default fzf options (e.g. '--layout=reverse')
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Examples:
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navi # default behavior
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navi --print # doesn't execute the snippet
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navi --path '/some/dir:/other/dir' # uses custom cheats
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navi search docker # uses online data
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navi query git # filter results by "git"
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navi best 'sql create db' root mydb # uses a snippet as a CLI
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source "$(navi widget zsh)" # loads the zsh widget
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navi --col-widths 10,50,0 # limits the first two columns's width
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navi --fzf-overrides '--with-nth 1,2' # shows only the comment and tag columns
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navi --fzf-overrides '--nth 1,2' # search will consider only the first two columns
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navi --fzf-overrides '--no-exact' # looser search algorithm
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More info:
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search
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http://cheat.sh is used for cheatsheet retrieval
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please note that these cheatsheets may not work out of the box
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always check the preview window before executing commands!
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--col-widths
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the number is the percentage relative to the terminal width
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0 means that a column will be as wide as necessary
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fzf's --with-nth
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1 refers to the comment column; 2, snippet; 3, tag
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full docs
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please refer to the README at https://github.com/denisidoro/navi
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33
navi
33
navi
@ -2,41 +2,8 @@
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set -euo pipefail
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export NAVI_HOME="$(cd "$(dirname "$0")" && pwd)"
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source "${NAVI_HOME}/src/main.sh"
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##? An interactive cheatsheet tool for the command-line
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##?
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##? Usage:
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##? navi [command] [<args>...] [options]
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##?
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##? Commands:
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##? search <cmd> Search for cheatsheets on online repositories
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##? query <cmd> Pre-filter results
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##? best <cmd> <args>... Considers the best match
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##?
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##? Options:
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##? --print Prevent script execution
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##? --path List of paths to look for cheats
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##? --no-interpolation Prevent argument interpolation
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##? --no-preview Hide command preview window
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##?
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##? Examples:
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##? navi
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##? navi --path '/some/folder:/another/folder'
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##? navi search awk
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##? navi search docker --print
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##? navi query git
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##? navi best 'sql create db' root mydb
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##?
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##? More info:
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##? search
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##? Queries cheatsheets from http://cheat.sh
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##? Please note that these cheatsheets may not work out of the box
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##? Always check the preview window before executing commands!
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##? full docs
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##? Please refer to the README at https://github.com/denisidoro/navi
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VERSION="0.14.3"
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NAVI_ENV="${NAVI_ENV:-prod}"
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@ -38,7 +38,7 @@ arg::next() {
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}
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arg::deserialize() {
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local arg="$1"
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local arg="${1:-}"
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arg="${arg:1:${#arg}-2}"
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echo "$arg" \
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76
src/cheat.sh
76
src/cheat.sh
@ -41,15 +41,68 @@ cheat::memoized_read_all() {
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| cheat::join_lines
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}
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# TODO: move this elsewhere
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cheat::get_index() {
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local -r txt="$1"
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local -r ref="$2"
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local -r i="$(echo "$txt" | grep "${ref}\$" | awk '{print $1}')"
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echo $((i - 1))
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}
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# TODO: move this elsewhere
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cheat::with_nth() {
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grep -Eo 'with\-nth +([^ ]+)' | awk '{print $NF}'
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}
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cheat::prettify() {
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awk 'function color(c,s) {
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printf("\033[%dm%s\033[0m",30+c,s)
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local -r print="$(dict::get "$OPTIONS" print)"
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local -r widths="$(dict::get "$OPTIONS" col-widths | tr ',' $'\n')"
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local -r numbered_with_nth="$(dict::get "$OPTIONS" fzf-overrides | cheat::with_nth | tr ',' $'\n' | str::with_line_numbers)"
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if [ -n "$numbered_with_nth" ]; then
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local -r comment_index="$(cheat::get_index "$numbered_with_nth" 1 2>/dev/null)"
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local -r snippet_index="$(cheat::get_index "$numbered_with_nth" 2 2>/dev/null)"
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local -r tag_index="$(cheat::get_index "$numbered_with_nth" 3 2>/dev/null)"
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local -r comment_width="$(echo "$widths" | coll::get $comment_index 2>/dev/null || echo 0)"
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local -r snippet_width="$(echo "$widths" | coll::get $snippet_index 2>/dev/null || echo 0)"
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local -r tag_width="$(echo "$widths" | coll::get $tag_index 2>/dev/null || echo 0)"
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local -r columns="$(ui::width)"
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else
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local -r comment_width=0
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local -r snippet_width=0
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local -r tag_width=0
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local -r columns=0
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fi
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awk \
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-v COMMENT_MAX=$((columns * comment_width / 100)) \
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-v SNIPPET_MAX=$((columns * snippet_width / 100)) \
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-v TAG_MAX=$((columns * tag_width / 100)) \
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-v SEP="$ESCAPE_CHAR_3" \
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'function color(c,s,max) {
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if (max > 0 && length(s) > max) {
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s=substr(s, 0, max)
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s=s"…"
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}
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printf("\033[%dm%s", c, s)
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}
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/^%/ { tags=" ["substr($0, 3)"]"; next }
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/^#/ { print color(4, $0) color(60, tags); next }
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/^%/ { tags=substr($0, 3); next }
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/^#/ { comment=substr($0, 3); next }
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/^\$/ { next }
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NF { print color(7, $0) color(60, tags); next }'
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BEGIN { ORS="" }
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NF {
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print color(34, comment, COMMENT_MAX)
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print color(0, SEP, 0)
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print color(37, $0, SNIPPET_MAX)
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print color(0, SEP, 0)
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print color(90, tags, TAG_MAX);
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print color(0, SEP, 0)
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print color(90, "\033", 0);
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print "\n"
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next
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}'
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}
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cheat::until_percentage() {
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@ -60,13 +113,20 @@ cheat::until_percentage() {
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{ print $0 }'
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}
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cheat::from_tags() {
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local -r cheats="$1"
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local -r tags="$2"
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echo "$cheats" \
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| grep "% ${tags}" -A99999 \
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| cheat::until_percentage
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}
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cheat::from_selection() {
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local -r cheats="$1"
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local -r selection="$2"
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local -r tags="$(dict::get "$selection" tags)"
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echo "$cheats" \
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| grep "% ${tags}" -A99999 \
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| cheat::until_percentage
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cheat::from_tags "$cheats" "$tags"
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}
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@ -26,7 +26,7 @@ handler::main() {
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local -r interpolation="$(dict::get "$OPTIONS" interpolation)"
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local cmd="$(selection::cmd "$selection" "$cheat")"
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local cmd="$(selection::snippet "$selection")"
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local result arg value
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local i=0
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@ -50,10 +50,10 @@ handler::main() {
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handler::preview() {
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local -r query="$1"
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local -r selection="$(echo "$query" | selection::dict)"
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local -r cheats="$(cheat::memoized_read_all)"
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local -r selection="$(echo "$query" | selection::dict "$cheats")"
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local -r cheat="$(cheat::from_selection "$cheats" "$selection")"
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[ -n "$cheat" ] && selection::cmd_or_comment "$selection" "$cheat" | cmd::unescape
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[ -n "$cheat" ] && ui::print_preview "$selection"
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}
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handler::help() {
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17
src/opts.sh
17
src/opts.sh
@ -2,8 +2,8 @@
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set -euo pipefail
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opts::extract_help() {
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local -r file="$1"
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grep "^##?" "$file" | cut -c 5-
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local -r file="${NAVI_HOME}/docstring.txt"
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cat "$file"
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}
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opts::eval() {
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@ -17,6 +17,8 @@ opts::eval() {
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local best=false
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local query=""
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local values=""
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local col_widths="15,50,0"
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local fzf_overrides="--with-nth 3,1,2 --exact"
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case "${1:-}" in
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--version|version) entry_point="version"; shift ;;
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@ -39,14 +41,21 @@ opts::eval() {
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search) query="$arg"; wait_for=""; path="${path}:$(search::full_path "$query")"; continue ;;
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query|best) query="$arg"; wait_for=""; continue ;;
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widget) SH="$arg"; wait_for=""; continue ;;
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col-widths) col_widths="$(echo "$arg" | xargs | tr ' ' ',')"; wait_for=""; continue ;;
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fzf-overrides) fzf_overrides="$arg" ; wait_for=""; continue ;;
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esac
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case $arg in
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--print) print=true ;;
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--no-interpolation) interpolation=false ;;
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--interpolation) interpolation=true ;;
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--no-preview) preview=false ;;
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--preview) preview=true ;;
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--path|--dir) wait_for="path" ;;
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--no-autoselect) autoselect=false ;;
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--autoselect) autoselect=true ;;
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--col-widths) wait_for="col-widths" ;;
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--fzf-overrides) wait_for="fzf-overrides" ;;
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*) values="$(echo "$values" | coll::add "$arg")" ;;
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esac
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done
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@ -59,7 +68,9 @@ opts::eval() {
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autoselect "$autoselect" \
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query "$query" \
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best "$best" \
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values "$values")"
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values "$values" \
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fzf-overrides "$fzf_overrides" \
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col-widths "$col_widths")"
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export NAVI_PATH="$path"
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}
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@ -1,41 +1,69 @@
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#!/usr/bin/env bash
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selection::dict() {
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local -r str="$(cat)"
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SELECTION_ESCAPE_STR=" "
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local -r tags="$(echo "$str" | awk -F'[' '{print $NF}' | tr -d ']')"
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local -r core="$(echo "$str" | sed -e "s/ \[${tags}\]$//")"
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dict::new core "$core" tags "$tags" | sed "s/'''/'/g"
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selection_str::cleanup() {
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sed -E "s/ +/${SELECTION_ESCAPE_STR}/g"
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}
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selection::core_is_comment() {
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grep -qE '^#'
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selection_str::without_ellipsis() {
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tr -d "…"
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}
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selection::cmd_or_comment() {
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local -r selection="$1"
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local -r cheat="$2"
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local -r always_cmd="${3:-false}"
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selection_str::comment() {
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echo "$*" | awk -F "${SELECTION_ESCAPE_STR}" '{print $1}' | selection_str::without_ellipsis
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}
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local -r core="$(echo "$selection" | dict::get core)"
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selection_str::snippet() {
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echo "$*" | awk -F "${SELECTION_ESCAPE_STR}" '{print $2}' | selection_str::without_ellipsis
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}
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if echo "$core" | selection::core_is_comment; then
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echo "$cheat" \
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| grep "$core" -A999 \
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| str::last_paragraph_line \
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| cmd::escape
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elif $always_cmd; then
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echo "$core"
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selection_str::tags() {
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echo "$*" | awk -F "${SELECTION_ESCAPE_STR}" '{print $3}' | selection_str::without_ellipsis
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}
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selection::resolve_ellipsis() {
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local -r str="$(selection_str::cleanup)"
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local -r cheats="$*"
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if echo "$str" | grep -q "…"; then
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local -r comment="$(selection_str::comment "$str")"
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local -r snippet="$(selection_str::snippet "$str")"
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local -r tags="$(selection_str::tags "$str")"
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local -r cheat="$(cheat::from_tags "$cheats" "$tags")"
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local -r tags2="$(echo "$cheat" | head -n1 | str::sub 2)"
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local -r comment2="$(echo "$cheat" | grep "$comment" | str::sub 2)"
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local -r snippet2="$(echo "$cheat" | grep "$comment2" -A 999| str::last_paragraph_line)"
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echo "${comment2}${SELECTION_ESCAPE_STR}${snippet2}${SELECTION_ESCAPE_STR}${tags2}"
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else
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echo "$cheat" \
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| grep "^${core}$" -B999 \
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| str::reverse_lines \
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| str::last_paragraph_line \
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| cmd::escape
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echo "$str"
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fi
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}
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selection::cmd() {
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selection::cmd_or_comment "$@" true
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selection::dict() {
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local -r cheats="$1"
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local -r str="$(selection::resolve_ellipsis "$cheats")"
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local -r comment="$(selection_str::comment "$str")"
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local -r snippet="$(selection_str::snippet "$str")"
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local -r tags="$(selection_str::tags "$str")"
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dict::new comment "$comment" snippet "$snippet" tags "$tags" | sed "s/'''/'/g"
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}
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selection::comment() {
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local -r selection="$1"
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dict::get "$selection" comment
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}
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selection::snippet() {
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local -r selection="$1"
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dict::get "$selection" snippet
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}
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selection::tags() {
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local -r selection="$1"
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dict::get "$selection" tags
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}
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15
src/str.sh
15
src/str.sh
@ -62,4 +62,19 @@ str::not_empty() {
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str::remove_empty_lines() {
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sed '/^$/d'
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}
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str::as_column() {
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local -r txt="$(cat)"
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local -r separator="$1"
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if command_exists column; then
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echo "$txt" | column -t -s "$separator"
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else
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echo "$txt" | awk -F "$separator" -vOFS='\t' 'NF > 0 { $1 = $1 } 1'
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fi
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}
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str::with_line_numbers() {
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awk '{printf("%d %s\n", NR,$0)}'
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}
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36
src/ui.sh
36
src/ui.sh
@ -2,6 +2,9 @@
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ui::fzf() {
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local -r autoselect="$(dict::get "$OPTIONS" autoselect)"
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local -r with_nth="$(dict::get "$OPTIONS" with-nth)"
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local -r nth="$(dict::get "$OPTIONS" nth)"
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local -r fzf_overrides="$(dict::get "$OPTIONS" fzf-overrides)"
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local args
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||||
args+=("--height")
|
||||
@ -10,6 +13,9 @@ ui::fzf() {
|
||||
args+=("--select-1")
|
||||
fi
|
||||
|
||||
local fzf_opts="${FZF_DEFAULT_OPTS:---height 70% --reverse --border --inline-info --cycle}"
|
||||
export FZF_DEFAULT_OPTS="${FZF_DEFAULT_OPTS} ${fzf_overrides}"
|
||||
|
||||
local -r fzf_cmd="$([ $NAVI_ENV == "test" ] && echo "fzf_mock" || echo "fzf")"
|
||||
"$fzf_cmd" ${args[@]:-} --inline-info "$@"
|
||||
}
|
||||
@ -18,7 +24,7 @@ ui::select() {
|
||||
local -r cheats="$1"
|
||||
|
||||
local -r script_path="${NAVI_HOME}/navi"
|
||||
local -r preview_cmd="echo \'{}\' | $(arg::serialize_code) | xargs -I% \"${script_path}\" preview %"
|
||||
local -r preview_cmd="\"${script_path}\" preview \$(echo \'{}\' | $(arg::serialize_code))"
|
||||
|
||||
local -r query="$(dict::get "$OPTIONS" query)"
|
||||
local -r entry_point="$(dict::get "$OPTIONS" entry_point)"
|
||||
@ -30,7 +36,7 @@ ui::select() {
|
||||
args+=("--ansi")
|
||||
if $preview; then
|
||||
args+=("--preview"); args+=("$preview_cmd")
|
||||
args+=("--preview-window"); args+=("up:1")
|
||||
args+=("--preview-window"); args+=("up:2")
|
||||
fi
|
||||
if [[ -n "$query" ]] && $best; then
|
||||
args+=("--filter"); args+=("${query} ")
|
||||
@ -40,14 +46,38 @@ ui::select() {
|
||||
if [ "$entry_point" = "search" ]; then
|
||||
args+=("--header"); args+=("Displaying online results. Please refer to 'navi --help' for details")
|
||||
fi
|
||||
args+=("--delimiter"); args+=('\s\s+');
|
||||
|
||||
echo "$cheats" \
|
||||
| cheat::prettify \
|
||||
| str::as_column $(printf "$ESCAPE_CHAR_3") \
|
||||
| ui::fzf "${args[@]}" \
|
||||
| ($best && head -n1 || cat) \
|
||||
| selection::dict
|
||||
| selection::dict "$cheats"
|
||||
}
|
||||
|
||||
ui::clear_previous_line() {
|
||||
tput cuu1 2>/dev/null && tput el || true
|
||||
}
|
||||
|
||||
ui::width() {
|
||||
shopt -s checkwinsize; (:;:) 2> /dev/null || true
|
||||
if command_exists tput; then
|
||||
tput cols
|
||||
else
|
||||
echo 130
|
||||
fi
|
||||
}
|
||||
|
||||
ui::print_preview() {
|
||||
local -r selection="$1"
|
||||
|
||||
local -r comment="$(selection::comment "$selection" | cmd::unescape)"
|
||||
local -r snippet="$(selection::snippet "$selection" | cmd::unescape)"
|
||||
local -r tags="$(selection::tags "$selection" | cmd::unescape)"
|
||||
|
||||
printf '\033[34m# '; echo -n "$comment"
|
||||
printf " \033[90m["; echo -n "$tags"; echo "]"
|
||||
printf '\033[0m'
|
||||
echo "$snippet"
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user