mac的终端显示分支名称？mac的终端和idea中的terminal同时修改
2024-05-24 19:45:57
想在使用git的时候能随时看到分支的变化，之前用windows，git bash直接能看到。mac中的终端展示不出来，所以需要搞一搞，以便于使用。
在网上找了好多都不能用（应该是zsh的问题）。
当前使用mac为m2的cpu，系统版本12.5.1。
1、进入家目录，创建.git-prompt.sh文件：
# 进入家目录
cd ~
# 创建文件
touch .git-prompt.sh
2、打开刚刚创建的.git-prompt.sh文件，将下面的脚本复制进去：
# bash/zsh git prompt support
#
# 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 repository status 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$(__git_ps1 " (%s)")]\$ '
# ZSH: setopt PROMPT_SUBST ; PS1='[%n@%m %c$(__git_ps1 " (%s)")]\$ '
# the optional argument will be used as format string.
# 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 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
# 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="auto". A "<" indicates you are behind, ">"
# indicates you are ahead, "<>" indicates you have diverged and "="
# 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
# name if verbose, then also show the upstream abbrev name
# 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.
#
# You can change the separator between the branch name and the above
# state symbols by setting GIT_PS1_STATESEPARATOR. The default separator
# is SP.
#
# When there is an in-progress operation such as a merge, rebase,
# revert, cherry-pick, or bisect, the prompt will include information
# related to the operation, often in the form "|<OPERATION-NAME>".
#
# When the repository has a sparse-checkout, a notification of the form
# "|SPARSE" will be included in the prompt. This can be shortened to a
# single '?' character by setting GIT_PS1_COMPRESSSPARSESTATE, or omitted
# by setting GIT_PS1_OMITSPARSESTATE.
#
# 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)
# tag relative to any older 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 "git status -sb" and are available only when
# using __git_ps1 for PROMPT_COMMAND or precmd in Bash,
# but always available in Zsh.
#
# If you would like __git_ps1 to do nothing in the case when the current
# directory is set up to be ignored by git, then set
# GIT_PS1_HIDE_IF_PWD_IGNORED to a nonempty value. Override this on the
# repository level by setting bash.hideIfPwdIgnored to "false".# check whether printf supports -v
__git_printf_supports_v=
printf -v __git_printf_supports_v -- '%s' yes >/dev/null 2>&1# stores the divergence from upstream in $p
# used by GIT_PS1_SHOWUPSTREAM
__git_ps1_show_upstream ()
{local key valuelocal svn_remote svn_url_pattern count nlocal upstream_type=git legacy="" verbose="" name=""svn_remote=()# get some config options from git-configlocal output="$(git config -z --get-regexp '^(svn-remote\..*\.url|bash\.showupstream)$' 2>/dev/null | tr '\0\n' '\n ')"while read -r key value; docase "$key" inbash.showupstream)GIT_PS1_SHOWUPSTREAM="$value"if [[ -z "${GIT_PS1_SHOWUPSTREAM}" ]]; thenp=""returnfi;;svn-remote.*.url)svn_remote[$((${#svn_remote[@]} + 1))]="$value"svn_url_pattern="$svn_url_pattern\\|$value"upstream_type=svn+git # default upstream type is SVN if available, else git;;esacdone <<< "$output"# parse configuration valueslocal optionfor option in ${GIT_PS1_SHOWUPSTREAM}; docase "$option" ingit|svn) upstream_type="$option" ;;verbose) verbose=1 ;;legacy) legacy=1 ;;name) name=1 ;;esacdone# Find our upstream typecase "$upstream_type" ingit) upstream_type="@{upstream}" ;;svn*)# get the upstream from the "git-svn-id: ..." in a commit message# (git-svn uses essentially the same procedure internally)local -a svn_upstreamsvn_upstream=($(git log --first-parent -1 \--grep="^git-svn-id: \(${svn_url_pattern#??}\)" 2>/dev/null))if [[ 0 -ne ${#svn_upstream[@]} ]]; thensvn_upstream=${svn_upstream[${#svn_upstream[@]} - 2]}svn_upstream=${svn_upstream%@*}local n_stop="${#svn_remote[@]}"for ((n=1; n <= n_stop; n++)); dosvn_upstream=${svn_upstream#${svn_remote[$n]}}doneif [[ -z "$svn_upstream" ]]; then# default branch name for checkouts with no layout:upstream_type=${GIT_SVN_ID:-git-svn}elseupstream_type=${svn_upstream#/}fielif [[ "svn+git" = "$upstream_type" ]]; thenupstream_type="@{upstream}"fi;;esac# Find how many commits we are ahead/behind our upstreamif [[ -z "$legacy" ]]; thencount="$(git rev-list --count --left-right \"$upstream_type"...HEAD 2>/dev/null)"else# produce equivalent output to --count for older versions of gitlocal commitsif commits="$(git rev-list --left-right "$upstream_type"...HEAD 2>/dev/null)"thenlocal commit behind=0 ahead=0for commit in $commitsdocase "$commit" in"<"*) ((behind++)) ;;*) ((ahead++)) ;;esacdonecount="$behind $ahead"elsecount=""fifi# calculate the resultif [[ -z "$verbose" ]]; thencase "$count" in"") # no upstreamp="" ;;"0 0") # equal to upstreamp="=" ;;"0 "*) # ahead of upstreamp=">" ;;*" 0") # behind upstreamp="<" ;;*) # diverged from upstreamp="<>" ;;esacelse # verbose, set upstream instead of pcase "$count" in"") # no upstreamupstream="" ;;"0 0") # equal to upstreamupstream="|u=" ;;"0 "*) # ahead of upstreamupstream="|u+${count#0 }" ;;*" 0") # behind upstreamupstream="|u-${count% 0}" ;;*) # diverged from upstreamupstream="|u+${count#* }-${count% *}" ;;esacif [[ -n "$count" && -n "$name" ]]; then__git_ps1_upstream_name=$(git rev-parse \--abbrev-ref "$upstream_type" 2>/dev/null)if [ $pcmode = yes ] && [ $ps1_expanded = yes ]; thenupstream="$upstream \${__git_ps1_upstream_name}"elseupstream="$upstream ${__git_ps1_upstream_name}"# not needed anymore; keep user's# environment cleanunset __git_ps1_upstream_namefififi}# 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. Colored variables are responsible for clearing
# their own color.
__git_ps1_colorize_gitstring ()
{if [[ -n ${ZSH_VERSION-} ]]; thenlocal 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='\[\e[0m\]'filocal bad_color=$c_redlocal ok_color=$c_greenlocal flags_color="$c_lblue"local branch_color=""if [ $detached = no ]; thenbranch_color="$ok_color"elsebranch_color="$bad_color"fiif [ -n "$c" ]; thenc="$branch_color$c$c_clear"fib="$branch_color$b$c_clear"if [ -n "$w" ]; thenw="$bad_color$w$c_clear"fiif [ -n "$i" ]; theni="$ok_color$i$c_clear"fiif [ -n "$s" ]; thens="$flags_color$s$c_clear"fiif [ -n "$u" ]; thenu="$bad_color$u$c_clear"fi
}# Helper function to read the first line of a file into a variable.
# __git_eread requires 2 arguments, the file path and the name of the
# variable, in that order.
__git_eread ()
{test -r "$1" && IFS=$'\r\n' read "$2" <"$1"
}# see if a cherry-pick or revert is in progress, if the user has committed a
# conflict resolution with 'git commit' in the middle of a sequence of picks or
# reverts then CHERRY_PICK_HEAD/REVERT_HEAD will not exist so we have to read
# the todo file.
__git_sequencer_status ()
{local todoif test -f "$g/CHERRY_PICK_HEAD"thenr="|CHERRY-PICKING"return 0;elif test -f "$g/REVERT_HEAD"thenr="|REVERTING"return 0;elif __git_eread "$g/sequencer/todo" todothencase "$todo" inp[\ \ ]|pick[\ \ ]*)r="|CHERRY-PICKING"return 0;;revert[\ \ ]*)r="|REVERTING"return 0;;esacfireturn 1
}# __git_ps1 accepts 0 or 1 arguments (i.e., format string)
# when called from PS1 using command substitution
# in this mode it prints text to add to bash PS1 prompt (includes branch name)
#
# __git_ps1 requires 2 or 3 arguments when called from PROMPT_COMMAND (pc)
# in that case it _sets_ PS1. The arguments are parts of a PS1 string.
# when two arguments are given, the first is prepended and the second appended
# to the state string when assigned to PS1.
# The optional third parameter will be used as printf format string to further
# customize the output of the git-status string.
# In this mode you can request colored hints using GIT_PS1_SHOWCOLORHINTS=true
__git_ps1 ()
{# preserve exit statuslocal exit=$?local pcmode=nolocal detached=nolocal ps1pc_start='\u@\h:\w 'local ps1pc_end='\$ 'local printf_format=' (%s)'case "$#" in2|3) pcmode=yesps1pc_start="$1"ps1pc_end="$2"printf_format="${3:-$printf_format}"# set PS1 to a plain prompt so that we can# simply return early if the prompt should not# be decoratedPS1="$ps1pc_start$ps1pc_end";;0|1) printf_format="${1:-$printf_format}";;*) return $exit;;esac# ps1_expanded: This variable is set to 'yes' if the shell# subjects the value of PS1 to parameter expansion:## * bash does unless the promptvars option is disabled# * zsh does not unless the PROMPT_SUBST option is set# * POSIX shells always do## If the shell would expand the contents of PS1 when drawing# the prompt, a raw ref name must not be included in PS1.# This protects the user from arbitrary code execution via# specially crafted ref names. For example, a ref named# 'refs/heads/$(IFS=_;cmd=sudo_rm_-rf_/;$cmd)' might cause the# shell to execute 'sudo rm -rf /' when the prompt is drawn.## Instead, the ref name should be placed in a separate global# variable (in the __git_ps1_* namespace to avoid colliding# with the user's environment) and that variable should be# referenced from PS1. For example:## __git_ps1_foo=$(do_something_to_get_ref_name)# PS1="...stuff...\${__git_ps1_foo}...stuff..."## If the shell does not expand the contents of PS1, the raw# ref name must be included in PS1.## The value of this variable is only relevant when in pcmode.## Assume that the shell follows the POSIX specification and# expands PS1 unless determined otherwise. (This is more# likely to be correct if the user has a non-bash, non-zsh# shell and safer than the alternative if the assumption is# incorrect.)#local ps1_expanded=yes[ -z "${ZSH_VERSION-}" ] || [[ -o PROMPT_SUBST ]] || ps1_expanded=no[ -z "${BASH_VERSION-}" ] || shopt -q promptvars || ps1_expanded=nolocal repo_info rev_parse_exit_coderepo_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" ]; thenreturn $exitfilocal short_sha=""if [ "$rev_parse_exit_code" = "0" ]; thenshort_sha="${repo_info##*$'\n'}"repo_info="${repo_info%$'\n'*}"filocal 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'*}"if [ "true" = "$inside_worktree" ] &&[ -n "${GIT_PS1_HIDE_IF_PWD_IGNORED-}" ] &&[ "$(git config --bool bash.hideIfPwdIgnored)" != "false" ] &&git check-ignore -q .thenreturn $exitfilocal sparse=""if [ -z "${GIT_PS1_COMPRESSSPARSESTATE-}" ] &&[ -z "${GIT_PS1_OMITSPARSESTATE-}" ] &&[ "$(git config --bool core.sparseCheckout)" = "true" ]; thensparse="|SPARSE"filocal r=""local b=""local step=""local total=""if [ -d "$g/rebase-merge" ]; then__git_eread "$g/rebase-merge/head-name" b__git_eread "$g/rebase-merge/msgnum" step__git_eread "$g/rebase-merge/end" totalr="|REBASE"elseif [ -d "$g/rebase-apply" ]; then__git_eread "$g/rebase-apply/next" step__git_eread "$g/rebase-apply/last" totalif [ -f "$g/rebase-apply/rebasing" ]; then__git_eread "$g/rebase-apply/head-name" br="|REBASE"elif [ -f "$g/rebase-apply/applying" ]; thenr="|AM"elser="|AM/REBASE"fielif [ -f "$g/MERGE_HEAD" ]; thenr="|MERGING"elif __git_sequencer_status; then:elif [ -f "$g/BISECT_LOG" ]; thenr="|BISECTING"fiif [ -n "$b" ]; then:elif [ -h "$g/HEAD" ]; then# symlink symbolic refb="$(git symbolic-ref HEAD 2>/dev/null)"elselocal head=""if ! __git_eread "$g/HEAD" head; thenreturn $exitfi# is it a symbolic ref?b="${head#ref: }"if [ "$head" = "$b" ]; thendetached=yesb="$(case "${GIT_PS1_DESCRIBE_STYLE-}" in(contains)git describe --contains HEAD ;;(branch)git describe --contains --all HEAD ;;(tag)git describe --tags HEAD ;;(describe)git describe HEAD ;;(* | default)git describe --tags --exact-match HEAD ;;esac 2>/dev/null)" ||b="$short_sha..."b="($b)"fififiif [ -n "$step" ] && [ -n "$total" ]; thenr="$r $step/$total"filocal w=""local i=""local s=""local u=""local h=""local c=""local p="" # short version of upstream state indicatorlocal upstream="" # verbose version of upstream state indicatorif [ "true" = "$inside_gitdir" ]; thenif [ "true" = "$bare_repo" ]; thenc="BARE:"elseb="GIT_DIR!"fielif [ "true" = "$inside_worktree" ]; thenif [ -n "${GIT_PS1_SHOWDIRTYSTATE-}" ] &&[ "$(git config --bool bash.showDirtyState)" != "false" ]thengit diff --no-ext-diff --quiet || w="*"git diff --no-ext-diff --cached --quiet || i="+"if [ -z "$short_sha" ] && [ -z "$i" ]; theni="#"fifiif [ -n "${GIT_PS1_SHOWSTASHSTATE-}" ] &&git rev-parse --verify --quiet refs/stash >/dev/nullthens="$"fiif [ -n "${GIT_PS1_SHOWUNTRACKEDFILES-}" ] &&[ "$(git config --bool bash.showUntrackedFiles)" != "false" ] &&git ls-files --others --exclude-standard --directory --no-empty-directory --error-unmatch -- ':/*' >/dev/null 2>/dev/nullthenu="%${ZSH_VERSION+%}"fiif [ -n "${GIT_PS1_COMPRESSSPARSESTATE-}" ] &&[ "$(git config --bool core.sparseCheckout)" = "true" ]; thenh="?"fiif [ -n "${GIT_PS1_SHOWUPSTREAM-}" ]; then__git_ps1_show_upstreamfifilocal z="${GIT_PS1_STATESEPARATOR-" "}"b=${b##refs/heads/}if [ $pcmode = yes ] && [ $ps1_expanded = yes ]; then__git_ps1_branch_name=$bb="\${__git_ps1_branch_name}"fi# NO color option unless in PROMPT_COMMAND mode or it's Zshif [ -n "${GIT_PS1_SHOWCOLORHINTS-}" ]; thenif [ $pcmode = yes ] || [ -n "${ZSH_VERSION-}" ]; then__git_ps1_colorize_gitstringfifilocal f="$h$w$i$s$u$p"local gitstring="$c$b${f:+$z$f}${sparse}$r${upstream}"if [ $pcmode = yes ]; thenif [ "${__git_printf_supports_v-}" != yes ]; thengitstring=$(printf -- "$printf_format" "$gitstring")elseprintf -v gitstring -- "$printf_format" "$gitstring"fiPS1="$ps1pc_start$gitstring$ps1pc_end"elseprintf -- "$printf_format" "$gitstring"fireturn $exit
}
3、打开家目录下的.zshrc文件，如果没有就创建一个，然后把下面的参数复制进去：
GIT_PS1_SHOWUPSTREAM="auto"
GIT_PS1_SHOWCOLORHINTS="yes"
source ~/.git-prompt.sh
setopt PROMPT_SUBST
PS1='%n@%m %c$(__git_ps1 " %s")\$ '
4、执行下面命令：
source ~/.zshrc
大功告成，这时候再进入项目目录下，就能看到项目当前分支了。
IDEA里面的terminal需要重启一下才会有。
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