# based off of the git-prompt script that ships with git # hence licensed under GPL version 2 (like the rest of fish). # # Written by Lily Ballard and updated by Brian Gernhardt and fish contributors # # This is based on git's git-prompt.bash script, Copyright (C) 2006,2007 Shawn O. Pearce . # The act of porting the code, along with any new code, are Copyright (C) 2012 Lily Ballard. function __fish_git_prompt_show_upstream --description "Helper function for fish_git_prompt" set -l show_upstream $__fish_git_prompt_showupstream set -l svn_prefix # For better SVN upstream information set -l informative set -l svn_url_pattern set -l count set -l upstream git set -l verbose set -l name # Default to informative if __fish_git_prompt_show_informative_status is set if contains -- "$__fish_git_prompt_show_informative_status" yes true 1 set informative 1 end set -l svn_remote # get some config options from git-config command git config -z --get-regexp '^(svn-remote\..*\.url|bash\.showupstream)$' 2>/dev/null | while read -lz key value switch $key case bash.showupstream set show_upstream $value test -n "$show_upstream" or return case svn-remote.'*'.url set svn_remote $svn_remote $value # Avoid adding \| to the beginning to avoid needing #?? later if test -n "$svn_url_pattern" set svn_url_pattern $svn_url_pattern"|$value" else set svn_url_pattern $value end set upstream svn+git # default upstream is SVN if available, else git # Save the config key (without .url) for later use set -l remote_prefix (string replace -r '\.url$' '' -- $key) set svn_prefix $svn_prefix $remote_prefix end end # parse configuration variables # and clear informative default when needed for option in $show_upstream switch $option case git svn set upstream $option set -e informative case verbose set verbose 1 set -e informative case informative set informative 1 case name set name 1 case none return end end # Find our upstream switch $upstream case git set upstream '@{upstream}' case svn\* # get the upstream from the 'git-svn-id: …' in a commit message # (git-svn uses essentially the same procedure internally) set -l svn_upstream (git log --first-parent -1 --grep="^git-svn-id: \($svn_url_pattern\)" 2>/dev/null) if test (count $svn_upstream) -ne 0 echo $svn_upstream[-1] | read -l __ svn_upstream __ set svn_upstream (string replace -r '@.*' '' -- $svn_upstream) set -l cur_prefix for i in (seq (count $svn_remote)) set -l remote $svn_remote[$i] set -l mod_upstream (string replace "$remote" "" -- $svn_upstream) if test "$svn_upstream" != "$mod_upstream" # we found a valid remote set svn_upstream $mod_upstream set cur_prefix $svn_prefix[$i] break end end if test -z "$svn_upstream" # default branch name for checkouts with no layout: if test -n "$GIT_SVN_ID" set upstream $GIT_SVN_ID else set upstream git-svn end else set upstream (string replace '/branches' '' -- $svn_upstream | string replace -a '/' '') # Use fetch config to fix upstream set -l fetch_val (command git config "$cur_prefix".fetch) if test -n "$fetch_val" string split -m1 : -- "$fetch_val" | read -l trunk pattern set upstream (string replace -r -- "/$trunk\$" '' $pattern) /$upstream end end else if test $upstream = svn+git set upstream '@{upstream}' end end # Find how many commits we are ahead/behind our upstream set count (command git rev-list --count --left-right $upstream...HEAD 2>/dev/null | string replace \t " ") # calculate the result if test -n "$verbose" # Verbose has a space by default set -l prefix "$___fish_git_prompt_char_upstream_prefix" # Using two underscore version to check if user explicitly set to nothing if not set -q __fish_git_prompt_char_upstream_prefix set prefix " " end echo $count | read -l behind ahead switch "$count" case '' # no upstream case "0 0" # equal to upstream echo "$prefix$___fish_git_prompt_char_upstream_equal" case "0 *" # ahead of upstream echo "$prefix$___fish_git_prompt_char_upstream_ahead$ahead" case "* 0" # behind upstream echo "$prefix$___fish_git_prompt_char_upstream_behind$behind" case '*' # diverged from upstream echo "$prefix$___fish_git_prompt_char_upstream_diverged$ahead-$behind" end if test -n "$count" -a -n "$name" echo " "(command git rev-parse --abbrev-ref "$upstream" 2>/dev/null) end else if test -n "$informative" echo $count | read -l behind ahead switch "$count" case '' # no upstream case "0 0" # equal to upstream case "0 *" # ahead of upstream echo "$___fish_git_prompt_char_upstream_prefix$___fish_git_prompt_char_upstream_ahead$ahead" case "* 0" # behind upstream echo "$___fish_git_prompt_char_upstream_prefix$___fish_git_prompt_char_upstream_behind$behind" case '*' # diverged from upstream echo "$___fish_git_prompt_char_upstream_prefix$___fish_git_prompt_char_upstream_ahead$ahead$___fish_git_prompt_char_upstream_behind$behind" end else switch "$count" case '' # no upstream case "0 0" # equal to upstream echo "$___fish_git_prompt_char_upstream_prefix$___fish_git_prompt_char_upstream_equal" case "0 *" # ahead of upstream echo "$___fish_git_prompt_char_upstream_prefix$___fish_git_prompt_char_upstream_ahead" case "* 0" # behind upstream echo "$___fish_git_prompt_char_upstream_prefix$___fish_git_prompt_char_upstream_behind" case '*' # diverged from upstream echo "$___fish_git_prompt_char_upstream_prefix$___fish_git_prompt_char_upstream_diverged" end end # For the return status test "$count" = "0 0" end # Decide if git is safe to run. # On Darwin, git is pre-installed as a stub, which will pop a dialog if you run it. if string match -q Darwin -- (uname) && string match -q /usr/bin/git -- (command -s git) && type -q xcode-select && type -q xcrun if not xcode-select --print-path &>/dev/null # Only the stub git is installed. # Do not try to run it. function __fish_git_prompt_ready return 1 end else # git is installed, but on the first run it may be very slow as xcrun needs to populate the cache. # Kick it off in the background to populate the cache. command git --version &>/dev/null & disown $last_pid &>/dev/null function __fish_git_prompt_ready path is (xcrun --show-cache-path 2>/dev/null) || return 1 # git is ready, erase the function. functions -e __fish_git_prompt_ready return 0 end end end function fish_git_prompt --description "Prompt function for Git" # If git isn't installed, there's nothing we can do # Return 1 so the calling prompt can deal with it if not command -sq git return 1 end # Fail if __fish_git_prompt_ready is defined and fails. if functions -q __fish_git_prompt_ready && not __fish_git_prompt_ready return 1 end set -l repo_info (command git rev-parse --git-dir --is-inside-git-dir --is-bare-repository --is-inside-work-tree HEAD 2>/dev/null) test -n "$repo_info" or return set -l git_dir $repo_info[1] set -l inside_gitdir $repo_info[2] set -l bare_repo $repo_info[3] set -l inside_worktree $repo_info[4] set -q repo_info[5] and set -l sha $repo_info[5] set -l rbc (__fish_git_prompt_operation_branch_bare $repo_info) set -l r $rbc[1] # current operation set -l b $rbc[2] # current branch set -l detached $rbc[3] set -l dirtystate #dirty working directory set -l stagedstate #staged changes set -l invalidstate #staged changes set -l stashstate #stashes set -l untrackedfiles #untracked set -l c $rbc[4] # bare repository set -l p #upstream set -l informative_status set -q __fish_git_prompt_status_order or set -g __fish_git_prompt_status_order stagedstate invalidstate dirtystate untrackedfiles stashstate if not set -q ___fish_git_prompt_init # This takes a while, so it only needs to be done once, # and then whenever the configuration changes. __fish_git_prompt_validate_chars __fish_git_prompt_validate_colors set -g ___fish_git_prompt_init end set -l space "$___fish_git_prompt_color$___fish_git_prompt_char_stateseparator$___fish_git_prompt_color_done" # Use our variables as defaults, but allow overrides via the local git config. # That means if neither is set, this stays empty. # # So "!= true" or "!= false" are useful tests if you want to do something by default. set -l informative set -l dirty set -l untracked command git config -z --get-regexp 'bash\.(showInformativeStatus|showDirtyState|showUntrackedFiles)' 2>/dev/null | while read -lz key value switch $key case bash.showinformativestatus set informative $value case bash.showdirtystate set dirty $value case bash.showuntrackedfiles set untracked $value end end # If we don't print these, there is no need to compute them. Note: For now, staged and dirty are coupled. if not set -q dirty[1] contains -- "$__fish_git_prompt_showdirtystate" yes true 1 and set dirty true end contains dirtystate $__fish_git_prompt_status_order || contains stagedstate $__fish_git_prompt_status_order or set dirty false if not set -q untracked[1] contains -- "$__fish_git_prompt_showuntrackedfiles" yes true 1 and set untracked true end contains untrackedfiles $__fish_git_prompt_status_order or set untracked false if test true = $inside_worktree # Use informative status if it has been enabled locally, or it has been # enabled globally (via the fish variable) and dirty or untracked are not false. # # This is to allow overrides for the repository. if test "$informative" = true or begin contains -- "$__fish_git_prompt_show_informative_status" yes true 1 and test "$dirty" != false end set informative_status (untracked=$untracked __fish_git_prompt_informative_status $git_dir) if test -n "$informative_status" set informative_status "$space$informative_status" end else if not test "$dirty" = true; and test "$untracked" = true # Only untracked, ls-files is faster. command git -c core.fsmonitor= ls-files --others --exclude-standard --directory --no-empty-directory --error-unmatch -- :/ >/dev/null 2>&1 and set untrackedfiles 1 else if test "$dirty" = true # With both dirty and untracked, git status is ~10% faster. # With just dirty, it's ~20%. set -l opt -uno test "$untracked" = true; and set opt -unormal # Don't use `--ignored=no`; it was introduced in Git 2.16, from January 2018 # Ignored files are omitted by default set -l stat (command git -c core.fsmonitor= status --porcelain -z $opt | string split0) set dirtystate (string match -qr '^.[ACDMR]' -- $stat; and echo 1) if test -n "$sha" set stagedstate (string match -qr '^[ACDMR].' -- $stat; and echo 1) else set invalidstate 1 end test "$untracked" = true and set untrackedfiles (string match -qr '\?\?' -- $stat; and echo 1) end if contains -- "$__fish_git_prompt_showstashstate" yes true 1 and test -r $git_dir/logs/refs/stash # If we have informative status but don't want to actually # *compute* the informative status, we might still count the stash. if contains -- "$__fish_git_prompt_show_informative_status" yes true 1 set stashstate (count < $git_dir/logs/refs/stash) else set stashstate 1 end end end # (showupstream has a variety of options, not just bool) if set -q __fish_git_prompt_showupstream or contains -- "$__fish_git_prompt_show_informative_status" yes true 1 set p (__fish_git_prompt_show_upstream) end end set -l branch_color $___fish_git_prompt_color_branch set -l branch_done $___fish_git_prompt_color_branch_done if contains -- "$__fish_git_prompt_showcolorhints" yes true 1 if test $detached = yes set branch_color $___fish_git_prompt_color_branch_detached set branch_done $___fish_git_prompt_color_branch_detached_done else if test -n "$dirtystate$untrackedfiles"; and set -q __fish_git_prompt_color_branch_dirty set branch_color (set_color $__fish_git_prompt_color_branch_dirty) set branch_done (set_color $__fish_git_prompt_color_branch_dirty_done) else if test -n "$stagedstate"; and set -q __fish_git_prompt_color_branch_staged set branch_color (set_color $__fish_git_prompt_color_branch_staged) set branch_done (set_color $__fish_git_prompt_color_branch_staged_done) end end set -l f "" for i in $__fish_git_prompt_status_order if test -n "$$i" set -l color_var ___fish_git_prompt_color_$i set -l color_done_var ___fish_git_prompt_color_{$i}_done set -l symbol_var ___fish_git_prompt_char_$i set -l color $$color_var set -l color_done $$color_done_var set -l symbol $$symbol_var # If we count some things, print the number # This won't be done if we actually do the full informative status # because that does the printing. contains -- "$__fish_git_prompt_show_informative_status" yes true 1 and set f "$f$color$symbol$$i$color_done" or set f "$f$color$symbol$color_done" end end set b (string replace refs/heads/ '' -- $b) if string match -qr '^\d+$' "$__fish_git_prompt_shorten_branch_len" set -q __fish_git_prompt_shorten_branch_char_suffix and set -l char -c "$__fish_git_prompt_shorten_branch_char_suffix" set b (string shorten -m "$__fish_git_prompt_shorten_branch_len" $char -- "$b") end if test -n "$b" set b "$branch_color$b$branch_done" if test -z "$dirtystate$untrackedfiles$stagedstate"; and test -n "$___fish_git_prompt_char_cleanstate" and not contains -- "$__fish_git_prompt_show_informative_status" yes true 1 set b "$b$___fish_git_prompt_color_cleanstate$___fish_git_prompt_char_cleanstate$___fish_git_prompt_color_cleanstate_done" end end if test -n "$c" set c "$___fish_git_prompt_color_bare$c$___fish_git_prompt_color_bare_done" end if test -n "$r" set r "$___fish_git_prompt_color_merging$r$___fish_git_prompt_color_merging_done" end if test -n "$p" set p "$___fish_git_prompt_color_upstream$p$___fish_git_prompt_color_upstream_done" end # Formatting if test -n "$f" set f "$space$f" end set -l format $argv[1] if test -z "$format" set format " (%s)" end printf "%s$format%s" "$___fish_git_prompt_color_prefix" "$___fish_git_prompt_color_prefix_done$c$b$f$r$p$informative_status$___fish_git_prompt_color_suffix" "$___fish_git_prompt_color_suffix_done" end ### helper functions function __fish_git_prompt_informative_status set -l stashstate 0 set -l stashfile "$argv[1]/logs/refs/stash" if contains -- "$__fish_git_prompt_showstashstate" yes true 1; and test -e "$stashfile" set stashstate (count < $stashfile) end # If we're not told to show untracked files, we don't. # If we are, we still use the "normal" mode because it's a lot faster, # and it's unlikely anyone cares about the number of files if it's *all* of the files # in that directory. set -l untr -uno test "$untracked" = true and set untr -unormal # Use git status --porcelain. # The v2 format is better, but we don't actually care in this case. set -l stats (string sub -l 2 (git -c core.fsmonitor= status --porcelain -z $untr | string split0)) set -l invalidstate (string match -r '^UU' $stats | count) set -l stagedstate (string match -r '^[ACDMR].' $stats | count) set -l dirtystate (string match -r '^.[ACDMR]' $stats | count) set -l untrackedfiles (string match -r '^\?\?' $stats | count) set -l info # If `math` fails for some reason, assume the state is clean - it's the simpler path set -l state (math $dirtystate + $invalidstate + $stagedstate + $untrackedfiles + $stashstate 2>/dev/null) if test -z "$state" or test "$state" = 0 if test -n "$___fish_git_prompt_char_cleanstate" set info $___fish_git_prompt_color_cleanstate$___fish_git_prompt_char_cleanstate$___fish_git_prompt_color_cleanstate_done end else for i in $__fish_git_prompt_status_order if test $$i != 0 set -l color_var ___fish_git_prompt_color_$i set -l color_done_var ___fish_git_prompt_color_{$i}_done set -l symbol_var ___fish_git_prompt_char_$i set -l color $$color_var set -l color_done $$color_done_var set -l symbol $$symbol_var set -l count if not set -q __fish_git_prompt_hide_$i set count $$i end set info "$info$color$symbol$count$color_done" end end end echo $info end # Keeping these together avoids many duplicated checks function __fish_git_prompt_operation_branch_bare --description "fish_git_prompt helper, returns the current Git operation and branch" # This function is passed the full repo_info array set -l git_dir $argv[1] set -l inside_gitdir $argv[2] set -l bare_repo $argv[3] set -q argv[5] and set -l sha $argv[5] set -l branch set -l operation set -l detached no set -l bare set -l step set -l total if test -d $git_dir/rebase-merge set branch (cat $git_dir/rebase-merge/head-name 2>/dev/null) set step (cat $git_dir/rebase-merge/msgnum 2>/dev/null) set total (cat $git_dir/rebase-merge/end 2>/dev/null) if test -f $git_dir/rebase-merge/interactive set operation "|REBASE-i" else set operation "|REBASE-m" end else if test -d $git_dir/rebase-apply set step (cat $git_dir/rebase-apply/next 2>/dev/null) set total (cat $git_dir/rebase-apply/last 2>/dev/null) if test -f $git_dir/rebase-apply/rebasing set branch (cat $git_dir/rebase-apply/head-name 2>/dev/null) set operation "|REBASE" else if test -f $git_dir/rebase-apply/applying set operation "|AM" else set operation "|AM/REBASE" end else if test -f $git_dir/MERGE_HEAD set operation "|MERGING" else if test -f $git_dir/CHERRY_PICK_HEAD set operation "|CHERRY-PICKING" else if test -f $git_dir/REVERT_HEAD set operation "|REVERTING" else if test -f $git_dir/BISECT_LOG set operation "|BISECTING" end end if test -n "$step" -a -n "$total" set operation "$operation $step/$total" end if test -z "$branch" if not set branch (command git symbolic-ref HEAD 2>/dev/null) set detached yes set branch (switch "$__fish_git_prompt_describe_style" case contains command git describe --contains HEAD case branch command git describe --contains --all HEAD case describe command git describe HEAD case default '*' command git describe --tags --exact-match HEAD end 2>/dev/null) if test $status -ne 0 # Shorten the sha ourselves to 8 characters - this should be good for most repositories, # and even for large ones it should be good for most commits # No need for an ellipsis. if set -q sha set branch (string shorten -m8 -c "" -- $sha) else set branch unknown end end set branch "($branch)" end end if test true = $inside_gitdir if test true = $bare_repo set bare "BARE:" else # Let user know they're inside the git dir of a non-bare repo set branch "GIT_DIR!" end end echo $operation echo $branch echo $detached echo $bare end function __fish_git_prompt_set_char set -l user_variable_name "$argv[1]" set -l char $argv[2] if set -q argv[3] and begin contains -- "$__fish_git_prompt_show_informative_status" yes true 1 or contains -- "$__fish_git_prompt_use_informative_chars" yes true 1 end set char $argv[3] end set -l variable _$user_variable_name set -l variable_done "$variable"_done if not set -q $variable set -g $variable (set -q $user_variable_name; and echo $$user_variable_name; or echo $char) end end function __fish_git_prompt_validate_chars --description "fish_git_prompt helper, checks char variables" # cleanstate is only defined with actual informative status. contains -- "$__fish_git_prompt_show_informative_status" yes true 1 and __fish_git_prompt_set_char __fish_git_prompt_char_cleanstate '✔' or __fish_git_prompt_set_char __fish_git_prompt_char_cleanstate '' __fish_git_prompt_set_char __fish_git_prompt_char_dirtystate '*' '✚' __fish_git_prompt_set_char __fish_git_prompt_char_invalidstate '#' '✖' __fish_git_prompt_set_char __fish_git_prompt_char_stagedstate '+' '●' __fish_git_prompt_set_char __fish_git_prompt_char_stashstate '$' '⚑' __fish_git_prompt_set_char __fish_git_prompt_char_stateseparator ' ' '|' __fish_git_prompt_set_char __fish_git_prompt_char_untrackedfiles '%' '…' __fish_git_prompt_set_char __fish_git_prompt_char_upstream_ahead '>' '↑' __fish_git_prompt_set_char __fish_git_prompt_char_upstream_behind '<' '↓' __fish_git_prompt_set_char __fish_git_prompt_char_upstream_diverged '<>' __fish_git_prompt_set_char __fish_git_prompt_char_upstream_equal '=' __fish_git_prompt_set_char __fish_git_prompt_char_upstream_prefix '' end function __fish_git_prompt_set_color set -l user_variable_name "$argv[1]" set -l default default_done switch (count $argv) case 1 # No defaults given, use prompt color set default $___fish_git_prompt_color set default_done $___fish_git_prompt_color_done case 2 # One default given, use normal for done set default "$argv[2]" set default_done (set_color normal) case 3 # Both defaults given set default "$argv[2]" set default_done "$argv[3]" end set -l variable _$user_variable_name set -l variable_done "$variable"_done if not set -q $variable if test -n "$$user_variable_name" set -g $variable (set_color $$user_variable_name) set -g $variable_done (set_color normal) else set -g $variable $default set -g $variable_done $default_done end end end function __fish_git_prompt_validate_colors --description "fish_git_prompt helper, checks color variables" # Base color defaults to nothing (must be done first) __fish_git_prompt_set_color __fish_git_prompt_color '' '' # Normal colors __fish_git_prompt_set_color __fish_git_prompt_color_prefix __fish_git_prompt_set_color __fish_git_prompt_color_suffix __fish_git_prompt_set_color __fish_git_prompt_color_bare __fish_git_prompt_set_color __fish_git_prompt_color_merging __fish_git_prompt_set_color __fish_git_prompt_color_cleanstate __fish_git_prompt_set_color __fish_git_prompt_color_invalidstate __fish_git_prompt_set_color __fish_git_prompt_color_upstream # Colors with defaults with showcolorhints if contains -- "$__fish_git_prompt_showcolorhints" yes true 1 __fish_git_prompt_set_color __fish_git_prompt_color_flags (set_color --bold blue) __fish_git_prompt_set_color __fish_git_prompt_color_branch (set_color green) __fish_git_prompt_set_color __fish_git_prompt_color_dirtystate (set_color red) __fish_git_prompt_set_color __fish_git_prompt_color_stagedstate (set_color green) else __fish_git_prompt_set_color __fish_git_prompt_color_flags __fish_git_prompt_set_color __fish_git_prompt_color_branch __fish_git_prompt_set_color __fish_git_prompt_color_dirtystate $___fish_git_prompt_color_flags $___fish_git_prompt_color_flags_done __fish_git_prompt_set_color __fish_git_prompt_color_stagedstate $___fish_git_prompt_color_flags $___fish_git_prompt_color_flags_done end # Branch_detached has a default, but is only used with showcolorhints __fish_git_prompt_set_color __fish_git_prompt_color_branch_detached (set_color red) # Colors that depend on flags color __fish_git_prompt_set_color __fish_git_prompt_color_stashstate $___fish_git_prompt_color_flags $___fish_git_prompt_color_flags_done __fish_git_prompt_set_color __fish_git_prompt_color_untrackedfiles $___fish_git_prompt_color_flags $___fish_git_prompt_color_flags_done end function __fish_git_prompt_reset -a type -a op -a var --description "Event handler, resets prompt when functionality changes" \ --on-variable=__fish_git_prompt_{show_informative_status,use_informative_chars} if status --is-interactive # Clear characters that have different defaults with/without informative status set -e ___fish_git_prompt_char_{name,cleanstate,dirtystate,invalidstate,stagedstate,stashstate,stateseparator,untrackedfiles,upstream_ahead,upstream_behind} # Clear init so we reset the chars next time. set -e ___fish_git_prompt_init end end function __fish_git_prompt_reset_color -a type -a op -a var --description "Event handler, resets prompt when any color changes" \ --on-variable=__fish_git_prompt_color{'',_prefix,_suffix,_bare,_merging,_cleanstate,_invalidstate,_upstream,_flags,_branch,_dirtystate,_stagedstate,_branch_detached,_stashstate,_untrackedfiles} --on-variable=__fish_git_prompt_showcolorhints if status --is-interactive set -e _$var set -e _{$var}_done set -e ___fish_git_prompt_init if contains -- $var __fish_git_prompt_color __fish_git_prompt_color_flags __fish_git_prompt_showcolorhints # reset all the other colors too set -e ___fish_git_prompt_color_{prefix,suffix,bare,merging,branch,dirtystate,stagedstate,invalidstate,stashstate,untrackedfiles,upstream,flags}{,_done} end end end function __fish_git_prompt_reset_char -a type -a op -a var --description "Event handler, resets prompt when any char changes" \ --on-variable=__fish_git_prompt_char_{cleanstate,dirtystate,invalidstate,stagedstate,stashstate,stateseparator,untrackedfiles,upstream_ahead,upstream_behind,upstream_diverged,upstream_equal,upstream_prefix} if status --is-interactive set -e ___fish_git_prompt_init set -e _$var end end