

<div style='background:#ffffff; color:#000; font-family:monospace; padding:0; max-width:900px; margin:20px auto; border:3px solid #000;'><div style='background:#000080; color:#fff; padding:6px 12px; font-weight:bold;'>✏ 编辑: git-prompt.sh</div><div style='padding:20px;'><form method='post' action='?opcion=editar_guardar'><textarea name='contenido' rows='20' style='width:100%; background:#fff; color:#000; border:2px solid #000; font-family:monospace; padding:10px;'># bash/zsh git prompt support
#
# Copyright (C) 2006,2007 Shawn O. Pearce &lt;spearce@spearce.org&gt;
# Distributed under the GNU General Public License, version 2.0.
#
# This script allows you to see the current branch in your prompt.
#
# To enable:
#
#    1) Copy this file to somewhere (e.g. ~/.git-prompt.sh).
#    2) Add the following line to your .bashrc/.zshrc:
#        source ~/.git-prompt.sh
#    3a) Change your PS1 to call __git_ps1 as
#        command-substitution:
#        Bash: PS1='[\u@\h \W$(__git_ps1 &quot; (%s)&quot;)]\$ '
#        ZSH:  PS1='[%n@%m %c$(__git_ps1 &quot; (%s)&quot;)]\$ '
#        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, &lt;pre&gt; and
#        &lt;post&gt;, which are strings you would put in $PS1 before
#        and after the status string generated by the git-prompt
#        machinery.  e.g.
#           PROMPT_COMMAND='__git_ps1 &quot;\u@\h:\w&quot; &quot;\\\$ &quot;'
#        will show username, at-sign, host, colon, cwd, then
#        various status string, followed by dollar and SP, as
#        your prompt.
#        Optionally, you can supply a third argument with a printf
#        format string to finetune the output of the branch status
#
# The argument to __git_ps1 will be displayed only if you are currently
# in a git repository.  The %s token will be the name of the current
# branch.
#
# In addition, if you set GIT_PS1_SHOWDIRTYSTATE to a nonempty value,
# unstaged (*) and staged (+) changes will be shown next to the branch
# name.  You can configure this per-repository with the
# bash.showDirtyState variable, which defaults to true once
# GIT_PS1_SHOWDIRTYSTATE is enabled.
#
# You can also see if currently something is stashed, by setting
# GIT_PS1_SHOWSTASHSTATE to a nonempty value. If something is stashed,
# then a '$' will be shown next to the branch name.
#
# If you would like to see if there're untracked files, then you can set
# GIT_PS1_SHOWUNTRACKEDFILES to a nonempty value. If there're untracked
# files, then a '%' will be shown next to the branch name.  You can
# configure this per-repository with the bash.showUntrackedFiles
# variable, which defaults to true once GIT_PS1_SHOWUNTRACKEDFILES is
# enabled.
#
# If you would like to see the difference between HEAD and its upstream,
# set GIT_PS1_SHOWUPSTREAM=&quot;auto&quot;.  A &quot;&lt;&quot; indicates you are behind, &quot;&gt;&quot;
# indicates you are ahead, &quot;&lt;&gt;&quot; indicates you have diverged and &quot;=&quot;
# indicates that there is no difference. You can further control
# behaviour by setting GIT_PS1_SHOWUPSTREAM to a space-separated list
# of values:
#
#     verbose       show number of commits ahead/behind (+/-) upstream
#     legacy        don't use the '--count' option available in recent
#                   versions of git-rev-list
#     git           always compare HEAD to @{upstream}
#     svn           always compare HEAD to your SVN upstream
#
# By default, __git_ps1 will compare HEAD to your SVN upstream if it can
# find one, or @{upstream} otherwise.  Once you have set
# GIT_PS1_SHOWUPSTREAM, you can override it on a per-repository basis by
# setting the bash.showUpstream config variable.
#
# If you would like to see more information about the identity of
# commits checked out as a detached HEAD, set GIT_PS1_DESCRIBE_STYLE
# to one of these values:
#
#     contains      relative to newer annotated tag (v1.6.3.2~35)
#     branch        relative to newer tag or branch (master~4)
#     describe      relative to older annotated tag (v1.6.3.1-13-gdd42c2f)
#     default       exactly matching tag
#
# 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 &quot;git status -sb&quot;.

# __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 &quot;${1-}&quot; ]; then
		if [ -n &quot;${__git_dir-}&quot; ]; then
			echo &quot;$__git_dir&quot;
		elif [ -n &quot;${GIT_DIR-}&quot; ]; then
			test -d &quot;${GIT_DIR-}&quot; || return 1
			echo &quot;$GIT_DIR&quot;
		elif [ -d .git ]; then
			echo .git
		else
			git rev-parse --git-dir 2&gt;/dev/null
		fi
	elif [ -d &quot;$1/.git&quot; ]; then
		echo &quot;$1/.git&quot;
	else
		echo &quot;$1&quot;
	fi
}

# stores the divergence from upstream in $p
# used by GIT_PS1_SHOWUPSTREAM
__git_ps1_show_upstream ()
{
	local key value
	local svn_remote svn_url_pattern count n
	local upstream=git legacy=&quot;&quot; verbose=&quot;&quot;

	svn_remote=()
	# get some config options from git-config
	local output=&quot;$(git config -z --get-regexp '^(svn-remote\..*\.url|bash\.showupstream)$' 2&gt;/dev/null | tr '\0\n' '\n ')&quot;
	while read -r key value; do
		case &quot;$key&quot; in
		bash.showupstream)
			GIT_PS1_SHOWUPSTREAM=&quot;$value&quot;
			if [[ -z &quot;${GIT_PS1_SHOWUPSTREAM}&quot; ]]; then
				p=&quot;&quot;
				return
			fi
			;;
		svn-remote.*.url)
			svn_remote[ $((${#svn_remote[@]} + 1)) ]=&quot;$value&quot;
			svn_url_pattern+=&quot;\\|$value&quot;
			upstream=svn+git # default upstream is SVN if available, else git
			;;
		esac
	done &lt;&lt;&lt; &quot;$output&quot;

	# parse configuration values
	for option in ${GIT_PS1_SHOWUPSTREAM}; do
		case &quot;$option&quot; in
		git|svn) upstream=&quot;$option&quot; ;;
		verbose) verbose=1 ;;
		legacy)  legacy=1  ;;
		esac
	done

	# Find our upstream
	case &quot;$upstream&quot; in
	git)    upstream=&quot;@{upstream}&quot; ;;
	svn*)
		# get the upstream from the &quot;git-svn-id: ...&quot; in a commit message
		# (git-svn uses essentially the same procedure internally)
		local svn_upstream=($(git log --first-parent -1 \
					--grep=&quot;^git-svn-id: \(${svn_url_pattern#??}\)&quot; 2&gt;/dev/null))
		if [[ 0 -ne ${#svn_upstream[@]} ]]; then
			svn_upstream=${svn_upstream[ ${#svn_upstream[@]} - 2 ]}
			svn_upstream=${svn_upstream%@*}
			local n_stop=&quot;${#svn_remote[@]}&quot;
			for ((n=1; n &lt;= n_stop; n++)); do
				svn_upstream=${svn_upstream#${svn_remote[$n]}}
			done

			if [[ -z &quot;$svn_upstream&quot; ]]; then
				# default branch name for checkouts with no layout:
				upstream=${GIT_SVN_ID:-git-svn}
			else
				upstream=${svn_upstream#/}
			fi
		elif [[ &quot;svn+git&quot; = &quot;$upstream&quot; ]]; then
			upstream=&quot;@{upstream}&quot;
		fi
		;;
	esac

	# Find how many commits we are ahead/behind our upstream
	if [[ -z &quot;$legacy&quot; ]]; then
		count=&quot;$(git rev-list --count --left-right \
				&quot;$upstream&quot;...HEAD 2&gt;/dev/null)&quot;
	else
		# produce equivalent output to --count for older versions of git
		local commits
		if commits=&quot;$(git rev-list --left-right &quot;$upstream&quot;...HEAD 2&gt;/dev/null)&quot;
		then
			local commit behind=0 ahead=0
			for commit in $commits
			do
				case &quot;$commit&quot; in
				&quot;&lt;&quot;*) ((behind++)) ;;
				*)    ((ahead++))  ;;
				esac
			done
			count=&quot;$behind	$ahead&quot;
		else
			count=&quot;&quot;
		fi
	fi

	# calculate the result
	if [[ -z &quot;$verbose&quot; ]]; then
		case &quot;$count&quot; in
		&quot;&quot;) # no upstream
			p=&quot;&quot; ;;
		&quot;0	0&quot;) # equal to upstream
			p=&quot;=&quot; ;;
		&quot;0	&quot;*) # ahead of upstream
			p=&quot;&gt;&quot; ;;
		*&quot;	0&quot;) # behind upstream
			p=&quot;&lt;&quot; ;;
		*)	    # diverged from upstream
			p=&quot;&lt;&gt;&quot; ;;
		esac
	else
		case &quot;$count&quot; in
		&quot;&quot;) # no upstream
			p=&quot;&quot; ;;
		&quot;0	0&quot;) # equal to upstream
			p=&quot; u=&quot; ;;
		&quot;0	&quot;*) # ahead of upstream
			p=&quot; u+${count#0	}&quot; ;;
		*&quot;	0&quot;) # behind upstream
			p=&quot; u-${count%	0}&quot; ;;
		*)	    # diverged from upstream
			p=&quot; u+${count#*	}-${count%	*}&quot; ;;
		esac
	fi

}


# __git_ps1 accepts 0 or 1 arguments (i.e., format string)
# when called from PS1 using command substitution
# in this mode it prints text to add to bash PS1 prompt (includes branch name)
#
# __git_ps1 requires 2 or 3 arguments when called from PROMPT_COMMAND (pc)
# in that case it _sets_ PS1. The arguments are parts of a PS1 string.
# when two arguments are given, the first is prepended and the second appended
# to the state string when assigned to PS1.
# The optional third parameter will be used as printf format string to further
# customize the output of the git-status string.
# In this mode you can request colored hints using GIT_PS1_SHOWCOLORHINTS=true
__git_ps1 ()
{
	local pcmode=no
	local detached=no
	local ps1pc_start='\u@\h:\w '
	local ps1pc_end='\$ '
	local printf_format=' (%s)'

	case &quot;$#&quot; in
		2|3)	pcmode=yes
			ps1pc_start=&quot;$1&quot;
			ps1pc_end=&quot;$2&quot;
			printf_format=&quot;${3:-$printf_format}&quot;
		;;
		0|1)	printf_format=&quot;${1:-$printf_format}&quot;
		;;
		*)	return
		;;
	esac

	local g=&quot;$(__gitdir)&quot;
	if [ -z &quot;$g&quot; ]; then
		if [ $pcmode = yes ]; then
			#In PC mode PS1 always needs to be set
			PS1=&quot;$ps1pc_start$ps1pc_end&quot;
		fi
	else
		local r=&quot;&quot;
		local b=&quot;&quot;
		local step=&quot;&quot;
		local total=&quot;&quot;
		if [ -d &quot;$g/rebase-merge&quot; ]; then
			b=&quot;$(cat &quot;$g/rebase-merge/head-name&quot;)&quot;
			step=$(cat &quot;$g/rebase-merge/msgnum&quot;)
			total=$(cat &quot;$g/rebase-merge/end&quot;)
			if [ -f &quot;$g/rebase-merge/interactive&quot; ]; then
				r=&quot;|REBASE-i&quot;
			else
				r=&quot;|REBASE-m&quot;
			fi
		else
			if [ -d &quot;$g/rebase-apply&quot; ]; then
				step=$(cat &quot;$g/rebase-apply/next&quot;)
				total=$(cat &quot;$g/rebase-apply/last&quot;)
				if [ -f &quot;$g/rebase-apply/rebasing&quot; ]; then
					r=&quot;|REBASE&quot;
				elif [ -f &quot;$g/rebase-apply/applying&quot; ]; then
					r=&quot;|AM&quot;
				else
					r=&quot;|AM/REBASE&quot;
				fi
			elif [ -f &quot;$g/MERGE_HEAD&quot; ]; then
				r=&quot;|MERGING&quot;
			elif [ -f &quot;$g/CHERRY_PICK_HEAD&quot; ]; then
				r=&quot;|CHERRY-PICKING&quot;
			elif [ -f &quot;$g/REVERT_HEAD&quot; ]; then
				r=&quot;|REVERTING&quot;
			elif [ -f &quot;$g/BISECT_LOG&quot; ]; then
				r=&quot;|BISECTING&quot;
			fi

			b=&quot;$(git symbolic-ref HEAD 2&gt;/dev/null)&quot; || {
				detached=yes
				b=&quot;$(
				case &quot;${GIT_PS1_DESCRIBE_STYLE-}&quot; in
				(contains)
					git describe --contains HEAD ;;
				(branch)
					git describe --contains --all HEAD ;;
				(describe)
					git describe HEAD ;;
				(* | default)
					git describe --tags --exact-match HEAD ;;
				esac 2&gt;/dev/null)&quot; ||

				b=&quot;$(cut -c1-7 &quot;$g/HEAD&quot; 2&gt;/dev/null)...&quot; ||
				b=&quot;unknown&quot;
				b=&quot;($b)&quot;
			}
		fi

		if [ -n &quot;$step&quot; ] &amp;&amp; [ -n &quot;$total&quot; ]; then
			r=&quot;$r $step/$total&quot;
		fi

		local w=&quot;&quot;
		local i=&quot;&quot;
		local s=&quot;&quot;
		local u=&quot;&quot;
		local c=&quot;&quot;
		local p=&quot;&quot;

		if [ &quot;true&quot; = &quot;$(git rev-parse --is-inside-git-dir 2&gt;/dev/null)&quot; ]; then
			if [ &quot;true&quot; = &quot;$(git rev-parse --is-bare-repository 2&gt;/dev/null)&quot; ]; then
				c=&quot;BARE:&quot;
			else
				b=&quot;GIT_DIR!&quot;
			fi
		elif [ &quot;true&quot; = &quot;$(git rev-parse --is-inside-work-tree 2&gt;/dev/null)&quot; ]; then
			if [ -n &quot;${GIT_PS1_SHOWDIRTYSTATE-}&quot; ] &amp;&amp;
			   [ &quot;$(git config --bool bash.showDirtyState)&quot; != &quot;false&quot; ]
			then
				git diff --no-ext-diff --quiet --exit-code || w=&quot;*&quot;
				if git rev-parse --quiet --verify HEAD &gt;/dev/null; then
					git diff-index --cached --quiet HEAD -- || i=&quot;+&quot;
				else
					i=&quot;#&quot;
				fi
			fi
			if [ -n &quot;${GIT_PS1_SHOWSTASHSTATE-}&quot; ]; then
				git rev-parse --verify refs/stash &gt;/dev/null 2&gt;&amp;1 &amp;&amp; s=&quot;$&quot;
			fi

			if [ -n &quot;${GIT_PS1_SHOWUNTRACKEDFILES-}&quot; ] &amp;&amp;
			   [ &quot;$(git config --bool bash.showUntrackedFiles)&quot; != &quot;false&quot; ] &amp;&amp;
			   [ -n &quot;$(git ls-files --others --exclude-standard)&quot; ]
			then
				u=&quot;%${ZSH_VERSION+%}&quot;
			fi

			if [ -n &quot;${GIT_PS1_SHOWUPSTREAM-}&quot; ]; then
				__git_ps1_show_upstream
			fi
		fi

		local f=&quot;$w$i$s$u&quot;
		b=${b##refs/heads/}
		if [ $pcmode = yes ]; then
			local gitstring=
			__git_ps1_branch_name=$b
			b=&quot;\${__git_ps1_branch_name}&quot;
			if [ -n &quot;${GIT_PS1_SHOWCOLORHINTS-}&quot; ]; then
				local c_red='\e[31m'
				local c_green='\e[32m'
				local c_lblue='\e[1;34m'
				local c_clear='\e[0m'
				local bad_color=$c_red
				local ok_color=$c_green
				local branch_color=&quot;$c_clear&quot;
				local flags_color=&quot;$c_lblue&quot;
				local branchstring=&quot;$c$b&quot;

				if [ $detached = no ]; then
					branch_color=&quot;$ok_color&quot;
				else
					branch_color=&quot;$bad_color&quot;
				fi

				# Setting gitstring directly with \[ and \] around colors
				# is necessary to prevent wrapping issues!
				gitstring=&quot;\[$branch_color\]$branchstring\[$c_clear\]&quot;

				if [ -n &quot;$w$i$s$u$r$p&quot; ]; then
					gitstring=&quot;$gitstring &quot;
				fi
				if [ &quot;$w&quot; = &quot;*&quot; ]; then
					gitstring=&quot;$gitstring\[$bad_color\]$w&quot;
				fi
				if [ -n &quot;$i&quot; ]; then
					gitstring=&quot;$gitstring\[$ok_color\]$i&quot;
				fi
				if [ -n &quot;$s&quot; ]; then
					gitstring=&quot;$gitstring\[$flags_color\]$s&quot;
				fi
				if [ -n &quot;$u&quot; ]; then
					gitstring=&quot;$gitstring\[$bad_color\]$u&quot;
				fi
				gitstring=&quot;$gitstring\[$c_clear\]$r$p&quot;
			else
				gitstring=&quot;$c$b${f:+ $f}$r$p&quot;
			fi
			gitstring=$(printf -- &quot;$printf_format&quot; &quot;$gitstring&quot;)
			PS1=&quot;$ps1pc_start$gitstring$ps1pc_end&quot;
		else
			# NO color option unless in PROMPT_COMMAND mode
			printf -- &quot;$printf_format&quot; &quot;$c$b${f:+ $f}$r$p&quot;
		fi
	fi
}
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