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@@ -1,54 +1,212 @@
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-# name: idan
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-# Display the following bits on the left:
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-# * Virtualenv name (if applicable, see https://github.com/adambrenecki/virtualfish)
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-# * Current directory name
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-# * Git branch and dirty state (if inside a git repo)
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+# name: syl20bnr
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-function _git_branch_name
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+# ----------------------------------------------------------------------------
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+# Utils
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+# ----------------------------------------------------------------------------
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+
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+set -g __syl20bnr_display_rprompt 1
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+
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+function toggle_right_prompt -d "Toggle the right prompt of the syl20bnr theme"
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+ if test $__syl20bnr_display_rprompt -eq 0
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+ echo "enable right prompt"
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+ set __syl20bnr_display_rprompt 1
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+ else
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+ echo "disable right prompt"
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+ set __syl20bnr_display_rprompt 0
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+ end
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+end
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+
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+function __syl20bnr_git_branch_name -d "Return the current branch name"
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echo (command git symbolic-ref HEAD 2> /dev/null | sed -e 's|^refs/heads/||')
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end
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-function _is_git_dirty
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- echo (command git status -s --ignore-submodules=dirty 2> /dev/null)
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+function __syl20bnr_git_repo_name -d "Return the current repository name"
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+ echo (command basename (git rev-parse --show-toplevel 2> /dev/null))
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+end
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+
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+function __syl20bnr_git_repo_base -d "Return the current repository name"
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+ echo (command git rev-parse --show-toplevel 2> /dev/null)
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+end
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+
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+function __syl20bnr_git_status -d "git status command"
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+ git status -b -s --ignore-submodules=dirty
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end
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-function fish_prompt
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- set -l cyan (set_color -o cyan)
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- set -l yellow (set_color -o yellow)
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- set -l red (set_color -o red)
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- set -l blue (set_color -o blue)
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- set -l green (set_color -o green)
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- set -l normal (set_color normal)
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+function __syl20bnr_unpushed_commit_count -d "Return the number of unpushed commits"
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+ echo $argv[1] | grep -E -o "ahead\ [0-9]+" | awk '{print $2}'
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+end
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- set -l cwd $cyan(basename (prompt_pwd))
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+function __syl20bnr_unmerged_commit_count -d "Return the number of unmerged commits"
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+ echo $argv[1] | grep -E -o "behind\ [0-9]+" | awk '{print $2}'
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+end
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- # output the prompt, left to right
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+# ----------------------------------------------------------------------------
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+# Aliases
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+# ----------------------------------------------------------------------------
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- # Add a newline before prompts
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- echo -e ""
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+alias trp toggle_right_prompt
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- # Display [venvname] if in a virtualenv
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- if set -q VIRTUAL_ENV
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- echo -n -s (set_color -b cyan black) '[' (basename "$VIRTUAL_ENV") ']' $normal ' '
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- end
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+# ----------------------------------------------------------------------------
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+# Prompts
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+# ----------------------------------------------------------------------------
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- # Display the current directory name
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- echo -n -s $cwd $normal
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+function fish_prompt -d "Write out the left prompt of the syl20bnr theme"
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+ set -l last_status $status
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+ set -l basedir_name (basename (prompt_pwd))
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+ # Init colors
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- # Show git branch and dirty state
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- if [ (_git_branch_name) ]
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- set -l git_branch '(' (_git_branch_name) ')'
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+ set -l colcyan (set_color cyan)
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+ set -l colbcyan (set_color -o cyan)
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+ set -l colgreen (set_color green)
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+ set -l colbgreen (set_color -o green)
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+ set -l colnormal (set_color normal)
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+ set -l colred (set_color red)
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+ set -l colbred (set_color -o red)
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+ set -l colwhite (set_color white)
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+ set -l colbwhite (set_color -o white)
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+
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+ # Segments
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+
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+ # git
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+ # If inside a git repo then the pwd segment is replaced by the git
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+ # segment.
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+ # The git segment format is X:YI@Z:P(N) where:
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+ # X is git
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+ # Y is the current branch
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+ # I is the information about the current repo state
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+ # Z is the name of the repo
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+ # P is the current working path basename (name of the current directory)
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+ # C is the depth of the path starting from base directory of the repo
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+ # The displayed information is:
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+ # Unpushed commits are indicated with up arrows
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+ # The number of unpushed commits is indicated right after the up arrows
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+ # Note:
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+ # Dirtiness is indicated by the color of the branch name, red is dirty,
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+ # green is up-to-date.
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+ # If P = Z then P(C) is not displayed
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+ set -l ps_git ""
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+ set -l git_branch_name (__syl20bnr_git_branch_name)
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+ if test -n "$git_branch_name"
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+ set -l git_repo_name (__syl20bnr_git_repo_name)
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+ set -l git_info ""
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+ set -l git_status (__syl20bnr_git_status)
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+ if echo $git_status | grep ahead > /dev/null
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+ set git_info "["$colbgreen"↑"(__syl20bnr_unpushed_commit_count $git_status)$colnormal"]"
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+ end
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+ if echo $git_status | grep behind > /dev/null
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+ set git_info "$git_info""["$colbred"↓"(__syl20bnr_unmerged_commit_count $git_status)$colnormal"]"
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+ end
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+ set -l colbranch $colbgreen
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+ if echo $git_status | grep -E "\s\?\?\s|\sM\s|\sD\s" > /dev/null
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+ set colbranch $colbred
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+ end
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+ set ps_git $colbwhite"git:"$colbcyan$git_branch_name$git_info$colnormal"@"$colbranch$git_repo_name
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+ if test "$basedir_name" != "$git_repo_name"
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+ set -l basedir_depth (echo (__syl20bnr_git_repo_base) | sed "s/\// /g" | wc -w)
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+ set -l depth (echo (pwd) | sed "s/\// /g" | wc -w)
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+ set depth (math $depth - $basedir_depth)
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+ set ps_git $ps_git$colnormal":"$colbwhite$basedir_name$colnormal"("$depth")"
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+ end
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+ end
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- if [ (_is_git_dirty) ]
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- set git_info $red $git_branch " ★ "
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+ # pwd
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+ # The pwd segment format is X:P(C) where:
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+ # X is either home or /
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+ # P is the current working path basename (name of the current directory)
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+ # C is the depth of the path starting from X
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+ # If the pwd is home or / then the prompt format is simplified to 'home' or
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+ # '/' without the current directory and depth.
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+ set -l ps_pwd ""
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+ if test -z "$ps_git"
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+ set -l depth (echo (pwd) | sed "s/\// /g" | wc -w)
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+ set -l in_home (echo (pwd) | grep ~)
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+ if test -n "$in_home"
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+ set ps_pwd $colbwhite"home"
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else
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- set git_info $green $git_branch
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+ set ps_pwd $colbwhite"/"
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+ end
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+ if test (echo (pwd)) != ~ -a (echo (pwd)) != /
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+ set ps_pwd $ps_pwd":"$colgreen$basedir_name
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+ if test -n "$in_home"
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+ set depth (math $depth - 2)
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+ end
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+ set ps_pwd $ps_pwd$colnormal"("$depth")"
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end
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- echo -n -s ' · ' $git_info $normal
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+ end
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+
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+ # vi mode
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+ # If vi_mode plugin or native vi mode is activated then print the vi mode
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+ # in the prompt.
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+ set -l ps_vi ""
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+ if test -n "$vi_mode"
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+ set ps_vi $colnormal"["$vi_mode$colnormal"]"
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+ end
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+ if test "$fish_key_bindings" = "fish_vi_key_bindings" -o "$fish_key_bindings" = "my_fish_key_bindings"
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+ switch $fish_bind_mode
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+ case default
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+ set ps_vi $colnormal"("$colred"N"$colnormal")"
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+ case insert
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+ set ps_vi $colnormal"("$colgreen"I"$colnormal")"
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+ case visual
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+ set ps_vi $colnormal"("$colwhite"V"$colnormal")"
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+ end
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+ end
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+
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+ # end of prompt
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+ # The color of the end of the prompt depends on the $status value of the
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+ # last executed command. It is green or red depending on the last command
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+ # success or failure respectively.
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+ # Since I often use ranger and use its 'shift+s' key binding to bring a shell
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+ # session, there is discreet indicator when the parent process of the current
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+ # shell pid is a ranger process. In this case the end of the prompt is written
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+ # twice.
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+ # With this indicator I can quickly remember that I can "ctrl+d" to end the
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+ # the current shell process and get back to the ranger process.
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+ set -l ps_end ">"
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+ # indicator for ranger parent process
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+ set -l ranger ""
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+ set -l os (uname)
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+ if test "$os" = "Darwin"
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+ if pstree -s ranger | grep (echo %self) | grep -v grep > /dev/null
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+ set ranger 1
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+ end
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+ end
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+ if test "$os" = "Linux"
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+ if pstree -p -l | grep "fish("(echo %self)")" | grep 'ranger([0-9]*)' > /dev/null
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+ set ranger 1
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+ end
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+ end
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+ if test -n "$ranger"
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+ set ps_end $ps_end$ps_end
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+ end
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+ # last status give the color of the right arrows at the end of the prompt
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+ if test $last_status -ne 0
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+ set ps_end $colnormal$colbred$ps_end
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+ else
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+ set ps_end $colnormal$colgreen$ps_end
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end
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- # Terminate with a nice prompt char
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- echo -n -s ' ⟩ ' $normal
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+ # Left Prompt
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+ echo -n -s $ps_git $ps_pwd $ps_vi $ps_git_dirty $ps_end ' '
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end
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+
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+
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+function fish_right_prompt -d "Write out the right prompt of the syl20bnr theme"
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+ set -l colnormal (set_color normal)
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+
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+ # Segments
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+
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+ # The where segment format is X@Y where:
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+ # X is the username
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+ # Y is the hostname
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+ set -l ps_where $colnormal(whoami)@(hostname|cut -d . -f 1)
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+
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+ # Right Prompt
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+
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+ if test $__syl20bnr_display_rprompt -eq 1
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+ echo -n -s $ps_where
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+ end
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+end
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+
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Colin Powell