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a nice prompt with no nerd fonts or git integration
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Darren Schroeder
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305
engine-q/prompt/oh-my-minimal.nu
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305
engine-q/prompt/oh-my-minimal.nu
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# NOTE: This is meant to run with engine-q and not nushell yet
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# It's still being tested. There will be bugs. :)
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# REQUIREMENTS #
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# you definitely need nerd fonts https://www.nerdfonts.com
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# nerd fonts repo https://github.com/ryanoasis/nerd-fonts
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# i use "FiraCode Nerd Font Mono" on mac
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#
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# you also must have the engine-q gstat plugin installed and registered
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# ATTRIBUTION #
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# A little fancier prompt with git information
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# inspired by https://github.com/xcambar/purs
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# inspired by https://github.com/IlanCosman/tide
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# inspired by https://github.com/JanDeDobbeleer/oh-my-posh
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# Abbreviate home path
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def home_abbrev [os] {
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let is_home_in_path = ($nu.cwd | str starts-with $nu.home-path)
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if ($is_home_in_path == $true) {
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if ($os == "Windows") {
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let home = ($nu.home-path | str find-replace -a '\\' '/')
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let pwd = ($nu.cwd | str find-replace -a '\\' '/')
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$pwd | str find-replace $home '~'
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} else {
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$nu.cwd | str find-replace $nu.home-path '~'
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}
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} else {
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$nu.cwd | str find-replace -a '\\' '/'
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}
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}
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def path_abbrev_if_needed [apath term_width] {
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# probably shouldn't do coloring here but since we're coloring
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# only certain parts, it's kind of tricky to do it in another place
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let T = (ansi { fg: "#BCBCBC" bg: "#3465A4"}) # truncated
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let P = (ansi { fg: "#E4E4E4" bg: "#3465A4"}) # path
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let PB = (ansi { fg: "#E4E4E4" bg: "#3465A4" attr: b}) # path bold
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let R = (ansi reset)
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let red = (ansi red)
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if (($apath | str length) > ($term_width / 2)) {
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# split out by path separator into tokens
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# don't use psep here because in home_abbrev we're making them all '/'
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let splits = ($apath | split row '/')
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let splits_len = ($splits | length)
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let subtractor = (if ($splits_len <= 2) { 1 } else { 2 })
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# get all the tokens except the last
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let tokens = (for x in 1..($splits_len - $subtractor) {
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$"($T)(($splits | get $x | split chars) | get 0)($R)"
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})
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# need an insert command
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let tokens = ($tokens | prepend $"($T)~")
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# append the last part of the path
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let tokens = ($tokens | append $"($PB)($splits | last | get 0)($R)")
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# collect
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$tokens | str collect $"($T)/"
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} else {
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# $"($P)($apath)($R)"
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# FIXME: This is close but it fails with folder with space. I'm not sure why.
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# let splits = ($apath | split row '/')
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# let splits_len = ($splits | length)
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# let tokens = (for x in 0..($splits_len - 1) {
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# if ($x < ($splits_len - 1)) {
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# $"/($T)(($splits | get $x | split chars).0)($R)"
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# }
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# })
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# let tokens = ($tokens | append $"/($PB)(($splits | last).0)($R)")
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# $tokens | str collect $"($T)"
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# FIXME: This is close but it fails with folder with space. I'm not sure why.
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# cd "/Applications/Hex Fiend.app/"
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# ~/H/A/Hex Fiend.app
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# should be
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# ~/A/Hex Fiend.app
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let splits = ($apath | split row '/')
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let splits_len = ($splits | length)
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if ($splits_len == 0) {
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# We're at / on the file system
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$"/($T)"
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} else if ($splits_len == 1) {
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let top_part = ($splits | first)
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let tokens = $"($PB)($top_part)($R)"
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$tokens | str collect $"($T)"
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} else {
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let top_part = ($splits | first ($splits_len - 1))
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let end_part = ($splits | last)
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let tokens = (for x in $top_part {
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$"/($T)(($x | split chars).0)($R)"
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})
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let tokens = ($tokens | append $"/($PB)($end_part.0)($R)")
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$tokens | str collect $"($T)"
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}
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}
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}
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def get_os_icon [os use_nerd_fonts] {
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# f17c = tux, f179 = apple, f17a = windows
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if ($use_nerd_fonts == $true) {
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if ($os =~ Darwin) {
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(char -u f179)
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} else if ($os =~ Linux) {
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(char -u f17c)
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} else if ($os =~ Windows) {
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(char -u f17a)
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} else {
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''
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}
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} else {
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if ($os =~ Darwin) {
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"M"
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} else if ($os =~ Linux) {
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"L"
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} else if ($os =~ Windows) {
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"W"
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} else {
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''
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}
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}
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}
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def get_left_prompt [os use_nerd_fonts] {
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# replace this 30 with whatever the width of the terminal is
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let display_path = (path_abbrev_if_needed (home_abbrev $os) 30)
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let R = (ansi reset)
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# some icons and the unicode char
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# e0b0 ▷ 25b7 ⏵ 23f5 ▶ 25b6 ⯈ 2bc8 🞂 1f782
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# e0b1
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# e0b2 ◁ 25c1 ⏴ 23f4 ◀ 25c0 ⯇ 2bc7 🞀 1f780
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# e0b3
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# f1d3
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# f07c or f115 📁 1f4c1 🗀 1f5c0
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# f015 or f7db 🏠 1f3e0 ⌂ 2302
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let TERM_BG = "#0C0C0C"
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let right_transition_nf = (char -u e0b0)
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# let right_transition = (char -u 1f782)
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let right_transition = ""
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let home_nf = (char -u f015)
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# let home = (char -u 1f3e0)
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let home = ""
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let folder_nf = (char -u f07c)
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# let folder = (char -u 1f5c0)
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let folder = ""
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# build segments and then put together the segments for the prompt
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let os_segment = ([
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(ansi { fg: "#080808" bg: "#CED7CF"}) # os bg color
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(char space) # space
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(get_os_icon $os $use_nerd_fonts) # os icon
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(char space) # space
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(ansi { fg: "#CED7CF" bg: "#3465A4"}) # color transition
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(if ($use_nerd_fonts == $true) {
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$right_transition_nf #
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} else {
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$right_transition
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})
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(char space) # space
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] | str collect)
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let is_home_in_path = ($nu.cwd | str starts-with $nu.home-path)
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let path_segment = (if $is_home_in_path {
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[
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(if ($use_nerd_fonts == $true) {
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$home_nf # home icon
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} else {
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$home
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})
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(char space) # space
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$display_path # ~/src/forks/nushell
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(ansi { fg: "#CED7CF" bg: "#3465A4"}) # color just to color the next space
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(char space) # space
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] | str collect
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} else {
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[
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(if ($use_nerd_fonts == $true) {
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$folder_nf # folder icon
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} else {
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$folder
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})
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(char space) # space
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$display_path # ~/src/forks/nushell
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(ansi { fg: "#CED7CF" bg: "#3465A4"}) # color just to color the next space
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(char space) # space
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] | str collect
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})
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let indicator_segment = (
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[
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(ansi { fg: "#3465A4" bg: $TERM_BG}) # color
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(if ($use_nerd_fonts == $true) {
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$right_transition_nf #
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} else {
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# $right_transition
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" >"
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})
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($R) # reset color
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] | str collect
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)
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# assemble all segments for final prompt printing
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[
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$os_segment
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$path_segment
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$indicator_segment
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] | str collect
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}
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def get_right_prompt [os use_nerd_fonts] {
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# right prompt ideas
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# 1. just the time on the right
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# 2. date and time on the right
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# 3. git information on the right
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# 4. maybe git and time
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# 5. would like to get CMD_DURATION_MS going there too when it's implemented
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# 6. all of the above, chosen by def parameters
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let R = (ansi reset)
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let TIME_BG = "#D3D7CF"
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let TERM_FG = "#0C0C0C"
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let left_transition_nf = (char -u e0b2)
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# let left_transition = (char -u 1f780)
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let left_transition = ""
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let datetime_segment = ([
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(ansi { fg: $TIME_BG bg: $TERM_FG})
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(if ($use_nerd_fonts == $true) {
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$left_transition_nf #
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} else {
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$left_transition
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})
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(ansi { fg: $TERM_FG bg: $TIME_BG})
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(char space)
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(date now | date format '%m/%d/%Y %I:%M:%S%.3f')
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(char space)
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($R)
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] | str collect)
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let time_segment = ([
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(ansi { fg: $TIME_BG bg: $TERM_FG})
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(if ($use_nerd_fonts == $true) {
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$left_transition_nf #
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} else {
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$left_transition
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})
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(ansi { fg: $TERM_FG bg: $TIME_BG})
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(char space)
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(date now | date format '%I:%M:%S %p')
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(char space)
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($R)
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] | str collect)
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# 1. datetime - working
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# $datetime_segment
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# 2. time only - working
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$time_segment
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# 3. git only - working
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# $git_segment
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# 4. git + time -> need to fix the transition
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# [
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# $git_segment
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# $time_segment
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# ] | str collect
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# 5. fernando wants this on the left prompt
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# [
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# $os_segment
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# $time_segment
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# $path_segment
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# ]
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}
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export def get_prompt [nerd?] {
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let use_nerd_fonts = ($nerd != $nothing)
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let os = ((sys).host.name)
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let left_prompt = (get_left_prompt $os $use_nerd_fonts)
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let right_prompt = (get_right_prompt $os $use_nerd_fonts)
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# return in record literal syntax to be used kind of like a tuple
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# so we don't have to run this script more than once per prompt
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{
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left_prompt: $left_prompt
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right_prompt: $right_prompt
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}
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#
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# in the config.nu you would do something like
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# use "c:\some\path\to\nu_scripts\engine-q\prompt\oh-my-minimal.nu" get_prompt
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# let-env PROMPT_COMMAND = { (get_prompt).left_prompt }
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# let-env PROMPT_COMMAND_RIGHT = { (get_prompt).right_prompt }
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# let-env PROMPT_INDICATOR = " "
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# or with nerdfonts
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# let-env PROMPT_COMMAND = { (get_prompt 1).left_prompt }
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# let-env PROMPT_COMMAND_RIGHT = { (get_prompt 1).right_prompt }
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}
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