From 9ebdbec58979b077e4790387b5927c74ce7184ef Mon Sep 17 00:00:00 2001
From: Felipe Contreras <felipe.contreras@gmail.com>
Date: Fri, 23 Aug 2013 21:58:29 -0500
Subject: gitfast: update to upstream v1.8.4

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
---
 plugins/gitfast/git-prompt.sh | 334 ++++++++++++++++++++++++------------------
 1 file changed, 190 insertions(+), 144 deletions(-)

(limited to 'plugins/gitfast/git-prompt.sh')

diff --git a/plugins/gitfast/git-prompt.sh b/plugins/gitfast/git-prompt.sh
index 65f8368f1..a81ef5a48 100644
--- a/plugins/gitfast/git-prompt.sh
+++ b/plugins/gitfast/git-prompt.sh
@@ -3,7 +3,7 @@
 # Copyright (C) 2006,2007 Shawn O. Pearce <spearce@spearce.org>
 # Distributed under the GNU General Public License, version 2.0.
 #
-# This script allows you to see the current branch in your prompt.
+# This script allows you to see repository status in your prompt.
 #
 # To enable:
 #
@@ -13,23 +13,27 @@
 #    3a) Change your PS1 to call __git_ps1 as
 #        command-substitution:
 #        Bash: PS1='[\u@\h \W$(__git_ps1 " (%s)")]\$ '
-#        ZSH:  PS1='[%n@%m %c$(__git_ps1 " (%s)")]\$ '
+#        ZSH:  setopt PROMPT_SUBST ; PS1='[%n@%m %c$(__git_ps1 " (%s)")]\$ '
 #        the optional argument will be used as format string.
-#    3b) Alternatively, if you are using bash, __git_ps1 can be
-#        used for PROMPT_COMMAND with two parameters, <pre> and
-#        <post>, which are strings you would put in $PS1 before
-#        and after the status string generated by the git-prompt
-#        machinery.  e.g.
-#           PROMPT_COMMAND='__git_ps1 "\u@\h:\w" "\\\$ "'
-#        will show username, at-sign, host, colon, cwd, then
-#        various status string, followed by dollar and SP, as
-#        your prompt.
+#    3b) Alternatively, for a slightly faster prompt, __git_ps1 can
+#        be used for PROMPT_COMMAND in Bash or for precmd() in Zsh
+#        with two parameters, <pre> and <post>, which are strings
+#        you would put in $PS1 before and after the status string
+#        generated by the git-prompt machinery.  e.g.
+#        Bash: PROMPT_COMMAND='__git_ps1 "\u@\h:\w" "\\\$ "'
+#          will show username, at-sign, host, colon, cwd, then
+#          various status string, followed by dollar and SP, as
+#          your prompt.
+#        ZSH:  precmd () { __git_ps1 "%n" ":%~$ " "|%s" }
+#          will show username, pipe, then various status string,
+#          followed by colon, cwd, dollar and SP, as your prompt.
 #        Optionally, you can supply a third argument with a printf
 #        format string to finetune the output of the branch status
 #
-# The argument to __git_ps1 will be displayed only if you are currently
-# in a git repository.  The %s token will be the name of the current
-# branch.
+# The repository status will be displayed only if you are currently in a
+# git repository. The %s token is the placeholder for the shown status.
+#
+# The prompt status always includes the current branch name.
 #
 # In addition, if you set GIT_PS1_SHOWDIRTYSTATE to a nonempty value,
 # unstaged (*) and staged (+) changes will be shown next to the branch
@@ -77,31 +81,8 @@
 #
 # If you would like a colored hint about the current dirty state, set
 # GIT_PS1_SHOWCOLORHINTS to a nonempty value. The colors are based on
-# the colored output of "git status -sb".
-
-# __gitdir accepts 0 or 1 arguments (i.e., location)
-# returns location of .git repo
-__gitdir ()
-{
-	# Note: this function is duplicated in git-completion.bash
-	# When updating it, make sure you update the other one to match.
-	if [ -z "${1-}" ]; then
-		if [ -n "${__git_dir-}" ]; then
-			echo "$__git_dir"
-		elif [ -n "${GIT_DIR-}" ]; then
-			test -d "${GIT_DIR-}" || return 1
-			echo "$GIT_DIR"
-		elif [ -d .git ]; then
-			echo .git
-		else
-			git rev-parse --git-dir 2>/dev/null
-		fi
-	elif [ -d "$1/.git" ]; then
-		echo "$1/.git"
-	else
-		echo "$1"
-	fi
-}
+# the colored output of "git status -sb" and are available only when
+# using __git_ps1 for PROMPT_COMMAND or precmd.
 
 # stores the divergence from upstream in $p
 # used by GIT_PS1_SHOWUPSTREAM
@@ -124,7 +105,7 @@ __git_ps1_show_upstream ()
 			fi
 			;;
 		svn-remote.*.url)
-			svn_remote[ $((${#svn_remote[@]} + 1)) ]="$value"
+			svn_remote[$((${#svn_remote[@]} + 1))]="$value"
 			svn_url_pattern+="\\|$value"
 			upstream=svn+git # default upstream is SVN if available, else git
 			;;
@@ -146,10 +127,11 @@ __git_ps1_show_upstream ()
 	svn*)
 		# get the upstream from the "git-svn-id: ..." in a commit message
 		# (git-svn uses essentially the same procedure internally)
-		local svn_upstream=($(git log --first-parent -1 \
+		local -a svn_upstream
+		svn_upstream=($(git log --first-parent -1 \
 					--grep="^git-svn-id: \(${svn_url_pattern#??}\)" 2>/dev/null))
 		if [[ 0 -ne ${#svn_upstream[@]} ]]; then
-			svn_upstream=${svn_upstream[ ${#svn_upstream[@]} - 2 ]}
+			svn_upstream=${svn_upstream[${#svn_upstream[@]} - 2]}
 			svn_upstream=${svn_upstream%@*}
 			local n_stop="${#svn_remote[@]}"
 			for ((n=1; n <= n_stop; n++)); do
@@ -222,6 +204,51 @@ __git_ps1_show_upstream ()
 
 }
 
+# Helper function that is meant to be called from __git_ps1.  It
+# injects color codes into the appropriate gitstring variables used
+# to build a gitstring.
+__git_ps1_colorize_gitstring ()
+{
+	if [[ -n ${ZSH_VERSION-} ]]; then
+		local c_red='%F{red}'
+		local c_green='%F{green}'
+		local c_lblue='%F{blue}'
+		local c_clear='%f'
+	else
+		# Using \[ and \] around colors is necessary to prevent
+		# issues with command line editing/browsing/completion!
+		local c_red='\[\e[31m\]'
+		local c_green='\[\e[32m\]'
+		local c_lblue='\[\e[1;34m\]'
+		local c_clear='\[\e[0m\]'
+	fi
+	local bad_color=$c_red
+	local ok_color=$c_green
+	local flags_color="$c_lblue"
+
+	local branch_color=""
+	if [ $detached = no ]; then
+		branch_color="$ok_color"
+	else
+		branch_color="$bad_color"
+	fi
+	c="$branch_color$c"
+
+	z="$c_clear$z"
+	if [ "$w" = "*" ]; then
+		w="$bad_color$w"
+	fi
+	if [ -n "$i" ]; then
+		i="$ok_color$i"
+	fi
+	if [ -n "$s" ]; then
+		s="$flags_color$s"
+	fi
+	if [ -n "$u" ]; then
+		u="$bad_color$u"
+	fi
+	r="$c_clear$r"
+}
 
 # __git_ps1 accepts 0 or 1 arguments (i.e., format string)
 # when called from PS1 using command substitution
@@ -254,39 +281,83 @@ __git_ps1 ()
 		;;
 	esac
 
-	local g="$(__gitdir)"
-	if [ -z "$g" ]; then
+	local repo_info rev_parse_exit_code
+	repo_info="$(git rev-parse --git-dir --is-inside-git-dir \
+		--is-bare-repository --is-inside-work-tree \
+		--short HEAD 2>/dev/null)"
+	rev_parse_exit_code="$?"
+
+	if [ -z "$repo_info" ]; then
 		if [ $pcmode = yes ]; then
 			#In PC mode PS1 always needs to be set
 			PS1="$ps1pc_start$ps1pc_end"
 		fi
-	else
-		local r=""
-		local b=""
+		return
+	fi
+
+	local short_sha
+	if [ "$rev_parse_exit_code" = "0" ]; then
+		short_sha="${repo_info##*$'\n'}"
+		repo_info="${repo_info%$'\n'*}"
+	fi
+	local inside_worktree="${repo_info##*$'\n'}"
+	repo_info="${repo_info%$'\n'*}"
+	local bare_repo="${repo_info##*$'\n'}"
+	repo_info="${repo_info%$'\n'*}"
+	local inside_gitdir="${repo_info##*$'\n'}"
+	local g="${repo_info%$'\n'*}"
+
+	local r=""
+	local b=""
+	local step=""
+	local total=""
+	if [ -d "$g/rebase-merge" ]; then
+		read b 2>/dev/null <"$g/rebase-merge/head-name"
+		read step 2>/dev/null <"$g/rebase-merge/msgnum"
+		read total 2>/dev/null <"$g/rebase-merge/end"
 		if [ -f "$g/rebase-merge/interactive" ]; then
 			r="|REBASE-i"
-			b="$(cat "$g/rebase-merge/head-name")"
-		elif [ -d "$g/rebase-merge" ]; then
+		else
 			r="|REBASE-m"
-			b="$(cat "$g/rebase-merge/head-name")"
+		fi
+	else
+		if [ -d "$g/rebase-apply" ]; then
+			read step 2>/dev/null <"$g/rebase-apply/next"
+			read total 2>/dev/null <"$g/rebase-apply/last"
+			if [ -f "$g/rebase-apply/rebasing" ]; then
+				read b 2>/dev/null <"$g/rebase-apply/head-name"
+				r="|REBASE"
+			elif [ -f "$g/rebase-apply/applying" ]; then
+				r="|AM"
+			else
+				r="|AM/REBASE"
+			fi
+		elif [ -f "$g/MERGE_HEAD" ]; then
+			r="|MERGING"
+		elif [ -f "$g/CHERRY_PICK_HEAD" ]; then
+			r="|CHERRY-PICKING"
+		elif [ -f "$g/REVERT_HEAD" ]; then
+			r="|REVERTING"
+		elif [ -f "$g/BISECT_LOG" ]; then
+			r="|BISECTING"
+		fi
+
+		if [ -n "$b" ]; then
+			:
+		elif [ -h "$g/HEAD" ]; then
+			# symlink symbolic ref
+			b="$(git symbolic-ref HEAD 2>/dev/null)"
 		else
-			if [ -d "$g/rebase-apply" ]; then
-				if [ -f "$g/rebase-apply/rebasing" ]; then
-					r="|REBASE"
-				elif [ -f "$g/rebase-apply/applying" ]; then
-					r="|AM"
-				else
-					r="|AM/REBASE"
+			local head=""
+			if ! read head 2>/dev/null <"$g/HEAD"; then
+				if [ $pcmode = yes ]; then
+					PS1="$ps1pc_start$ps1pc_end"
 				fi
-			elif [ -f "$g/MERGE_HEAD" ]; then
-				r="|MERGING"
-			elif [ -f "$g/CHERRY_PICK_HEAD" ]; then
-				r="|CHERRY-PICKING"
-			elif [ -f "$g/BISECT_LOG" ]; then
-				r="|BISECTING"
+				return
 			fi
-
-			b="$(git symbolic-ref HEAD 2>/dev/null)" || {
+			# is it a symbolic ref?
+			b="${head#ref: }"
+			if [ "$head" = "$b" ]; then
 				detached=yes
 				b="$(
 				case "${GIT_PS1_DESCRIBE_STYLE-}" in
@@ -300,100 +371,75 @@ __git_ps1 ()
 					git describe --tags --exact-match HEAD ;;
 				esac 2>/dev/null)" ||
 
-				b="$(cut -c1-7 "$g/HEAD" 2>/dev/null)..." ||
-				b="unknown"
+				b="$short_sha..."
 				b="($b)"
-			}
+			fi
 		fi
+	fi
+
+	if [ -n "$step" ] && [ -n "$total" ]; then
+		r="$r $step/$total"
+	fi
 
-		local w=""
-		local i=""
-		local s=""
-		local u=""
-		local c=""
-		local p=""
+	local w=""
+	local i=""
+	local s=""
+	local u=""
+	local c=""
+	local p=""
 
-		if [ "true" = "$(git rev-parse --is-inside-git-dir 2>/dev/null)" ]; then
-			if [ "true" = "$(git rev-parse --is-bare-repository 2>/dev/null)" ]; then
-				c="BARE:"
+	if [ "true" = "$inside_gitdir" ]; then
+		if [ "true" = "$bare_repo" ]; then
+			c="BARE:"
+		else
+			b="GIT_DIR!"
+		fi
+	elif [ "true" = "$inside_worktree" ]; then
+		if [ -n "${GIT_PS1_SHOWDIRTYSTATE-}" ] &&
+		   [ "$(git config --bool bash.showDirtyState)" != "false" ]
+		then
+			git diff --no-ext-diff --quiet --exit-code || w="*"
+			if [ -n "$short_sha" ]; then
+				git diff-index --cached --quiet HEAD -- || i="+"
 			else
-				b="GIT_DIR!"
-			fi
-		elif [ "true" = "$(git rev-parse --is-inside-work-tree 2>/dev/null)" ]; then
-			if [ -n "${GIT_PS1_SHOWDIRTYSTATE-}" ] &&
-			   [ "$(git config --bool bash.showDirtyState)" != "false" ]
-			then
-				git diff --no-ext-diff --quiet --exit-code || w="*"
-				if git rev-parse --quiet --verify HEAD >/dev/null; then
-					git diff-index --cached --quiet HEAD -- || i="+"
-				else
-					i="#"
-				fi
-			fi
-			if [ -n "${GIT_PS1_SHOWSTASHSTATE-}" ]; then
-				git rev-parse --verify refs/stash >/dev/null 2>&1 && s="$"
+				i="#"
 			fi
+		fi
+		if [ -n "${GIT_PS1_SHOWSTASHSTATE-}" ] &&
+		   [ -r "$g/refs/stash" ]; then
+			s="$"
+		fi
 
-			if [ -n "${GIT_PS1_SHOWUNTRACKEDFILES-}" ] &&
-			   [ "$(git config --bool bash.showUntrackedFiles)" != "false" ] &&
-			   [ -n "$(git ls-files --others --exclude-standard)" ]
-			then
-				u="%%"
-			fi
+		if [ -n "${GIT_PS1_SHOWUNTRACKEDFILES-}" ] &&
+		   [ "$(git config --bool bash.showUntrackedFiles)" != "false" ] &&
+		   git ls-files --others --exclude-standard --error-unmatch -- '*' >/dev/null 2>/dev/null
+		then
+			u="%${ZSH_VERSION+%}"
+		fi
 
-			if [ -n "${GIT_PS1_SHOWUPSTREAM-}" ]; then
-				__git_ps1_show_upstream
-			fi
+		if [ -n "${GIT_PS1_SHOWUPSTREAM-}" ]; then
+			__git_ps1_show_upstream
 		fi
+	fi
 
-		local f="$w$i$s$u"
-		if [ $pcmode = yes ]; then
-			local gitstring=
-			if [ -n "${GIT_PS1_SHOWCOLORHINTS-}" ]; then
-				local c_red='\e[31m'
-				local c_green='\e[32m'
-				local c_lblue='\e[1;34m'
-				local c_clear='\e[0m'
-				local bad_color=$c_red
-				local ok_color=$c_green
-				local branch_color="$c_clear"
-				local flags_color="$c_lblue"
-				local branchstring="$c${b##refs/heads/}"
+	local z="${GIT_PS1_STATESEPARATOR-" "}"
 
-				if [ $detached = no ]; then
-					branch_color="$ok_color"
-				else
-					branch_color="$bad_color"
-				fi
+	# NO color option unless in PROMPT_COMMAND mode
+	if [ $pcmode = yes ] && [ -n "${GIT_PS1_SHOWCOLORHINTS-}" ]; then
+		__git_ps1_colorize_gitstring
+	fi
 
-				# Setting gitstring directly with \[ and \] around colors
-				# is necessary to prevent wrapping issues!
-				gitstring="\[$branch_color\]$branchstring\[$c_clear\]"
+	local f="$w$i$s$u"
+	local gitstring="$c${b##refs/heads/}${f:+$z$f}$r$p"
 
-				if [ -n "$w$i$s$u$r$p" ]; then
-					gitstring="$gitstring "
-				fi
-				if [ "$w" = "*" ]; then
-					gitstring="$gitstring\[$bad_color\]$w"
-				fi
-				if [ -n "$i" ]; then
-					gitstring="$gitstring\[$ok_color\]$i"
-				fi
-				if [ -n "$s" ]; then
-					gitstring="$gitstring\[$flags_color\]$s"
-				fi
-				if [ -n "$u" ]; then
-					gitstring="$gitstring\[$bad_color\]$u"
-				fi
-				gitstring="$gitstring\[$c_clear\]$r$p"
-			else
-				gitstring="$c${b##refs/heads/}${f:+ $f}$r$p"
-			fi
+	if [ $pcmode = yes ]; then
+		if [[ -n ${ZSH_VERSION-} ]]; then
 			gitstring=$(printf -- "$printf_format" "$gitstring")
-			PS1="$ps1pc_start$gitstring$ps1pc_end"
 		else
-			# NO color option unless in PROMPT_COMMAND mode
-			printf -- "$printf_format" "$c${b##refs/heads/}${f:+ $f}$r$p"
+			printf -v gitstring -- "$printf_format" "$gitstring"
 		fi
+		PS1="$ps1pc_start$gitstring$ps1pc_end"
+	else
+		printf -- "$printf_format" "$gitstring"
 	fi
 }
-- 
cgit v1.2.3-70-g09d2