czoczo
8 years ago
parent
cdc5af505a
commit
adaa32fa4b
3 changed files with 562 additions and 12 deletions
@ -0,0 +1,536 @@ |
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# bash/zsh git prompt support |
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# |
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# Copyright (C) 2006,2007 Shawn O. Pearce <spearce@spearce.org> |
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# Distributed under the GNU General Public License, version 2.0. |
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# |
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# This script allows you to see repository status in your prompt. |
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# |
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# To enable: |
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# |
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# 1) Copy this file to somewhere (e.g. ~/.git-prompt.sh). |
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# 2) Add the following line to your .bashrc/.zshrc: |
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# source ~/.git-prompt.sh |
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# 3a) Change your PS1 to call __git_ps1 as |
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# command-substitution: |
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# Bash: PS1='[\u@\h \W$(__git_ps1 " (%s)")]\$ ' |
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# ZSH: setopt PROMPT_SUBST ; PS1='[%n@%m %c$(__git_ps1 " (%s)")]\$ ' |
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# the optional argument will be used as format string. |
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# 3b) Alternatively, for a slightly faster prompt, __git_ps1 can |
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# be used for PROMPT_COMMAND in Bash or for precmd() in Zsh |
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# with two parameters, <pre> and <post>, which are strings |
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# you would put in $PS1 before and after the status string |
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# generated by the git-prompt machinery. e.g. |
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# Bash: PROMPT_COMMAND='__git_ps1 "\u@\h:\w" "\\\$ "' |
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# will show username, at-sign, host, colon, cwd, then |
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# various status string, followed by dollar and SP, as |
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# your prompt. |
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# ZSH: precmd () { __git_ps1 "%n" ":%~$ " "|%s" } |
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# will show username, pipe, then various status string, |
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# followed by colon, cwd, dollar and SP, as your prompt. |
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# Optionally, you can supply a third argument with a printf |
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# format string to finetune the output of the branch status |
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# |
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# The repository status will be displayed only if you are currently in a |
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# git repository. The %s token is the placeholder for the shown status. |
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# |
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# The prompt status always includes the current branch name. |
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# |
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# In addition, if you set GIT_PS1_SHOWDIRTYSTATE to a nonempty value, |
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# unstaged (*) and staged (+) changes will be shown next to the branch |
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# name. You can configure this per-repository with the |
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# bash.showDirtyState variable, which defaults to true once |
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# GIT_PS1_SHOWDIRTYSTATE is enabled. |
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# |
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# You can also see if currently something is stashed, by setting |
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# GIT_PS1_SHOWSTASHSTATE to a nonempty value. If something is stashed, |
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# then a '$' will be shown next to the branch name. |
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# |
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# If you would like to see if there're untracked files, then you can set |
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# GIT_PS1_SHOWUNTRACKEDFILES to a nonempty value. If there're untracked |
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# files, then a '%' will be shown next to the branch name. You can |
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# configure this per-repository with the bash.showUntrackedFiles |
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# variable, which defaults to true once GIT_PS1_SHOWUNTRACKEDFILES is |
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# enabled. |
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# |
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# If you would like to see the difference between HEAD and its upstream, |
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# set GIT_PS1_SHOWUPSTREAM="auto". A "<" indicates you are behind, ">" |
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# indicates you are ahead, "<>" indicates you have diverged and "=" |
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# indicates that there is no difference. You can further control |
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# behaviour by setting GIT_PS1_SHOWUPSTREAM to a space-separated list |
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# of values: |
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# |
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# verbose show number of commits ahead/behind (+/-) upstream |
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# name if verbose, then also show the upstream abbrev name |
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# legacy don't use the '--count' option available in recent |
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# versions of git-rev-list |
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# git always compare HEAD to @{upstream} |
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# svn always compare HEAD to your SVN upstream |
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# |
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# You can change the separator between the branch name and the above |
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# state symbols by setting GIT_PS1_STATESEPARATOR. The default separator |
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# is SP. |
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# |
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# By default, __git_ps1 will compare HEAD to your SVN upstream if it can |
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# find one, or @{upstream} otherwise. Once you have set |
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# GIT_PS1_SHOWUPSTREAM, you can override it on a per-repository basis by |
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# setting the bash.showUpstream config variable. |
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# |
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# If you would like to see more information about the identity of |
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# commits checked out as a detached HEAD, set GIT_PS1_DESCRIBE_STYLE |
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# to one of these values: |
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# |
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# contains relative to newer annotated tag (v1.6.3.2~35) |
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# branch relative to newer tag or branch (master~4) |
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# describe relative to older annotated tag (v1.6.3.1-13-gdd42c2f) |
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# tag relative to any older tag (v1.6.3.1-13-gdd42c2f) |
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# default exactly matching tag |
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# |
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# If you would like a colored hint about the current dirty state, set |
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# GIT_PS1_SHOWCOLORHINTS to a nonempty value. The colors are based on |
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# the colored output of "git status -sb" and are available only when |
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# using __git_ps1 for PROMPT_COMMAND or precmd. |
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# |
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# If you would like __git_ps1 to do nothing in the case when the current |
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# directory is set up to be ignored by git, then set |
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# GIT_PS1_HIDE_IF_PWD_IGNORED to a nonempty value. Override this on the |
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# repository level by setting bash.hideIfPwdIgnored to "false". |
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# check whether printf supports -v |
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__git_printf_supports_v= |
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printf -v __git_printf_supports_v -- '%s' yes >/dev/null 2>&1 |
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# stores the divergence from upstream in $p |
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# used by GIT_PS1_SHOWUPSTREAM |
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__git_ps1_show_upstream () |
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{ |
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local key value |
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local svn_remote svn_url_pattern count n |
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local upstream=git legacy="" verbose="" name="" |
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svn_remote=() |
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# get some config options from git-config |
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local output="$(git config -z --get-regexp '^(svn-remote\..*\.url|bash\.showupstream)$' 2>/dev/null | tr '\0\n' '\n ')" |
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while read -r key value; do |
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case "$key" in |
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bash.showupstream) |
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GIT_PS1_SHOWUPSTREAM="$value" |
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if [[ -z "${GIT_PS1_SHOWUPSTREAM}" ]]; then |
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p="" |
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return |
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fi |
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;; |
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svn-remote.*.url) |
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svn_remote[$((${#svn_remote[@]} + 1))]="$value" |
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svn_url_pattern="$svn_url_pattern\\|$value" |
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upstream=svn+git # default upstream is SVN if available, else git |
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;; |
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esac |
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done <<< "$output" |
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# parse configuration values |
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for option in ${GIT_PS1_SHOWUPSTREAM}; do |
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case "$option" in |
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git|svn) upstream="$option" ;; |
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verbose) verbose=1 ;; |
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legacy) legacy=1 ;; |
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name) name=1 ;; |
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esac |
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done |
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# Find our upstream |
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case "$upstream" in |
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git) upstream="@{upstream}" ;; |
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svn*) |
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# get the upstream from the "git-svn-id: ..." in a commit message |
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# (git-svn uses essentially the same procedure internally) |
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local -a svn_upstream |
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svn_upstream=($(git log --first-parent -1 \ |
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--grep="^git-svn-id: \(${svn_url_pattern#??}\)" 2>/dev/null)) |
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if [[ 0 -ne ${#svn_upstream[@]} ]]; then |
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svn_upstream=${svn_upstream[${#svn_upstream[@]} - 2]} |
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svn_upstream=${svn_upstream%@*} |
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local n_stop="${#svn_remote[@]}" |
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for ((n=1; n <= n_stop; n++)); do |
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svn_upstream=${svn_upstream#${svn_remote[$n]}} |
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done |
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if [[ -z "$svn_upstream" ]]; then |
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# default branch name for checkouts with no layout: |
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upstream=${GIT_SVN_ID:-git-svn} |
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else |
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upstream=${svn_upstream#/} |
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fi |
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elif [[ "svn+git" = "$upstream" ]]; then |
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upstream="@{upstream}" |
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fi |
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;; |
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esac |
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# Find how many commits we are ahead/behind our upstream |
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if [[ -z "$legacy" ]]; then |
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count="$(git rev-list --count --left-right \ |
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"$upstream"...HEAD 2>/dev/null)" |
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else |
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# produce equivalent output to --count for older versions of git |
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local commits |
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if commits="$(git rev-list --left-right "$upstream"...HEAD 2>/dev/null)" |
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then |
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local commit behind=0 ahead=0 |
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for commit in $commits |
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do |
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case "$commit" in |
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"<"*) ((behind++)) ;; |
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*) ((ahead++)) ;; |
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esac |
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done |
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count="$behind $ahead" |
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else |
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count="" |
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fi |
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fi |
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# calculate the result |
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if [[ -z "$verbose" ]]; then |
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case "$count" in |
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"") # no upstream |
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p="" ;; |
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"0 0") # equal to upstream |
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p="=" ;; |
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"0 "*) # ahead of upstream |
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p=">" ;; |
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*" 0") # behind upstream |
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p="<" ;; |
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*) # diverged from upstream |
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p="<>" ;; |
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esac |
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else |
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case "$count" in |
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"") # no upstream |
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p="" ;; |
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"0 0") # equal to upstream |
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p=" u=" ;; |
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"0 "*) # ahead of upstream |
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p=" u+${count#0 }" ;; |
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*" 0") # behind upstream |
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p=" u-${count% 0}" ;; |
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*) # diverged from upstream |
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p=" u+${count#* }-${count% *}" ;; |
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esac |
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if [[ -n "$count" && -n "$name" ]]; then |
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__git_ps1_upstream_name=$(git rev-parse \ |
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--abbrev-ref "$upstream" 2>/dev/null) |
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if [ $pcmode = yes ] && [ $ps1_expanded = yes ]; then |
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p="$p \${__git_ps1_upstream_name}" |
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else |
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p="$p ${__git_ps1_upstream_name}" |
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# not needed anymore; keep user's |
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# environment clean |
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unset __git_ps1_upstream_name |
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fi |
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fi |
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fi |
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} |
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# Helper function that is meant to be called from __git_ps1. It |
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# injects color codes into the appropriate gitstring variables used |
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# to build a gitstring. |
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__git_ps1_colorize_gitstring () |
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{ |
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if [[ -n ${ZSH_VERSION-} ]]; then |
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local c_red='%F{red}' |
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local c_green='%F{green}' |
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local c_lblue='%F{blue}' |
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local c_clear='%f' |
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else |
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# Using \[ and \] around colors is necessary to prevent |
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# issues with command line editing/browsing/completion! |
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local c_red='\[\e[31m\]' |
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local c_green='\[\e[32m\]' |
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local c_lblue='\[\e[1;34m\]' |
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local c_clear='\[\e[0m\]' |
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fi |
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local bad_color=$c_red |
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local ok_color=$c_green |
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local flags_color="$c_lblue" |
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local branch_color="" |
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if [ $detached = no ]; then |
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branch_color="$ok_color" |
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else |
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branch_color="$bad_color" |
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fi |
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c="$branch_color$c" |
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z="$c_clear$z" |
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if [ "$w" = "*" ]; then |
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w="$bad_color$w" |
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fi |
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if [ -n "$i" ]; then |
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i="$ok_color$i" |
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fi |
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if [ -n "$s" ]; then |
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s="$flags_color$s" |
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fi |
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if [ -n "$u" ]; then |
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u="$bad_color$u" |
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fi |
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r="$c_clear$r" |
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} |
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# Helper function to read the first line of a file into a variable. |
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# __git_eread requires 2 arguments, the file path and the name of the |
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# variable, in that order. |
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__git_eread () |
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{ |
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test -r "$1" && IFS=$'\r\n' read "$2" <"$1" |
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} |
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# __git_ps1 accepts 0 or 1 arguments (i.e., format string) |
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# when called from PS1 using command substitution |
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# in this mode it prints text to add to bash PS1 prompt (includes branch name) |
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# |
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# __git_ps1 requires 2 or 3 arguments when called from PROMPT_COMMAND (pc) |
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# in that case it _sets_ PS1. The arguments are parts of a PS1 string. |
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# when two arguments are given, the first is prepended and the second appended |
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# to the state string when assigned to PS1. |
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# The optional third parameter will be used as printf format string to further |
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# customize the output of the git-status string. |
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# In this mode you can request colored hints using GIT_PS1_SHOWCOLORHINTS=true |
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__git_ps1 () |
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{ |
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# preserve exit status |
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local exit=$? |
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local pcmode=no |
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local detached=no |
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local ps1pc_start='\u@\h:\w ' |
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local ps1pc_end='\$ ' |
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local printf_format=' (%s)' |
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case "$#" in |
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2|3) pcmode=yes |
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ps1pc_start="$1" |
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ps1pc_end="$2" |
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printf_format="${3:-$printf_format}" |
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# set PS1 to a plain prompt so that we can |
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# simply return early if the prompt should not |
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# be decorated |
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PS1="$ps1pc_start$ps1pc_end" |
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;; |
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0|1) printf_format="${1:-$printf_format}" |
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;; |
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*) return $exit |
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;; |
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esac |
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# ps1_expanded: This variable is set to 'yes' if the shell |
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# subjects the value of PS1 to parameter expansion: |
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# |
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# * bash does unless the promptvars option is disabled |
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# * zsh does not unless the PROMPT_SUBST option is set |
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# * POSIX shells always do |
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# |
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# If the shell would expand the contents of PS1 when drawing |
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# the prompt, a raw ref name must not be included in PS1. |
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# This protects the user from arbitrary code execution via |
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# specially crafted ref names. For example, a ref named |
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# 'refs/heads/$(IFS=_;cmd=sudo_rm_-rf_/;$cmd)' might cause the |
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# shell to execute 'sudo rm -rf /' when the prompt is drawn. |
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# |
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# Instead, the ref name should be placed in a separate global |
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# variable (in the __git_ps1_* namespace to avoid colliding |
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# with the user's environment) and that variable should be |
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# referenced from PS1. For example: |
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# |
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# __git_ps1_foo=$(do_something_to_get_ref_name) |
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# PS1="...stuff...\${__git_ps1_foo}...stuff..." |
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# |
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# If the shell does not expand the contents of PS1, the raw |
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# ref name must be included in PS1. |
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# |
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# The value of this variable is only relevant when in pcmode. |
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# |
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# Assume that the shell follows the POSIX specification and |
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# expands PS1 unless determined otherwise. (This is more |
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# likely to be correct if the user has a non-bash, non-zsh |
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# shell and safer than the alternative if the assumption is |
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# incorrect.) |
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# |
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local ps1_expanded=yes |
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[ -z "${ZSH_VERSION-}" ] || [[ -o PROMPT_SUBST ]] || ps1_expanded=no |
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[ -z "${BASH_VERSION-}" ] || shopt -q promptvars || ps1_expanded=no |
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local repo_info rev_parse_exit_code |
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repo_info="$(git rev-parse --git-dir --is-inside-git-dir \ |
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--is-bare-repository --is-inside-work-tree \ |
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--short HEAD 2>/dev/null)" |
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rev_parse_exit_code="$?" |
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if [ -z "$repo_info" ]; then |
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return $exit |
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fi |
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local short_sha="" |
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if [ "$rev_parse_exit_code" = "0" ]; then |
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short_sha="${repo_info##*$'\n'}" |
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repo_info="${repo_info%$'\n'*}" |
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fi |
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local inside_worktree="${repo_info##*$'\n'}" |
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repo_info="${repo_info%$'\n'*}" |
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local bare_repo="${repo_info##*$'\n'}" |
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repo_info="${repo_info%$'\n'*}" |
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local inside_gitdir="${repo_info##*$'\n'}" |
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local g="${repo_info%$'\n'*}" |
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if [ "true" = "$inside_worktree" ] && |
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[ -n "${GIT_PS1_HIDE_IF_PWD_IGNORED-}" ] && |
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[ "$(git config --bool bash.hideIfPwdIgnored)" != "false" ] && |
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git check-ignore -q . |
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then |
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return $exit |
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fi |
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local r="" |
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local b="" |
||||||
|
local step="" |
||||||
|
local total="" |
||||||
|
if [ -d "$g/rebase-merge" ]; then |
||||||
|
__git_eread "$g/rebase-merge/head-name" b |
||||||
|
__git_eread "$g/rebase-merge/msgnum" step |
||||||
|
__git_eread "$g/rebase-merge/end" total |
||||||
|
if [ -f "$g/rebase-merge/interactive" ]; then |
||||||
|
r="|REBASE-i" |
||||||
|
else |
||||||
|
r="|REBASE-m" |
||||||
|
fi |
||||||
|
else |
||||||
|
if [ -d "$g/rebase-apply" ]; then |
||||||
|
__git_eread "$g/rebase-apply/next" step |
||||||
|
__git_eread "$g/rebase-apply/last" total |
||||||
|
if [ -f "$g/rebase-apply/rebasing" ]; then |
||||||
|
__git_eread "$g/rebase-apply/head-name" b |
||||||
|
r="|REBASE" |
||||||
|
elif [ -f "$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="$(git symbolic-ref HEAD 2>/dev/null)" |
||||||
|
else |
||||||
|
local head="" |
||||||
|
if ! __git_eread "$g/HEAD" head; then |
||||||
|
return $exit |
||||||
|
fi |
||||||
|
# is it a symbolic ref? |
||||||
|
b="${head#ref: }" |
||||||
|
if [ "$head" = "$b" ]; then |
||||||
|
detached=yes |
||||||
|
b="$( |
||||||
|
case "${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)" |
||||||
|
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="" |
||||||
|
|
||||||
|
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-}" ] && |
||||||
|
[ "$(git config --bool bash.showDirtyState)" != "false" ] |
||||||
|
then |
||||||
|
git diff --no-ext-diff --quiet || w="*" |
||||||
|
git diff --no-ext-diff --cached --quiet || i="+" |
||||||
|
if [ -z "$short_sha" ] && [ -z "$i" ]; then |
||||||
|
i="#" |
||||||
|
fi |
||||||
|
fi |
||||||
|
if [ -n "${GIT_PS1_SHOWSTASHSTATE-}" ] && |
||||||
|
git rev-parse --verify --quiet refs/stash >/dev/null |
||||||
|
then |
||||||
|
s="$" |
||||||
|
fi |
||||||
|
|
||||||
|
if [ -n "${GIT_PS1_SHOWUNTRACKEDFILES-}" ] && |
||||||
|
[ "$(git config --bool bash.showUntrackedFiles)" != "false" ] && |
||||||
|
git ls-files --others --exclude-standard --directory --no-empty-directory --error-unmatch -- ':/*' >/dev/null 2>/dev/null |
||||||
|
then |
||||||
|
u="%${ZSH_VERSION+%}" |
||||||
|
fi |
||||||
|
|
||||||
|
if [ -n "${GIT_PS1_SHOWUPSTREAM-}" ]; then |
||||||
|
__git_ps1_show_upstream |
||||||
|
fi |
||||||
|
fi |
||||||
|
|
||||||
|
local z="${GIT_PS1_STATESEPARATOR-" "}" |
||||||
|
|
||||||
|
# NO color option unless in PROMPT_COMMAND mode |
||||||
|
#if [ $pcmode = yes ] && [ -n "${GIT_PS1_SHOWCOLORHINTS-}" ]; then |
||||||
|
if [ -n "${GIT_PS1_SHOWCOLORHINTS-}" ]; then |
||||||
|
__git_ps1_colorize_gitstring |
||||||
|
fi |
||||||
|
|
||||||
|
b=${b##refs/heads/} |
||||||
|
if [ $pcmode = yes ] && [ $ps1_expanded = yes ]; then |
||||||
|
__git_ps1_branch_name=$b |
||||||
|
b="\${__git_ps1_branch_name}" |
||||||
|
fi |
||||||
|
|
||||||
|
local f="$w$i$s$u" |
||||||
|
local gitstring="$c$b${f:+$z$f}$r$p" |
||||||
|
|
||||||
|
if [ $pcmode = yes ]; then |
||||||
|
if [ "${__git_printf_supports_v-}" != yes ]; then |
||||||
|
gitstring=$(printf -- "$printf_format" "$gitstring") |
||||||
|
else |
||||||
|
printf -v gitstring -- "$printf_format" "$gitstring" |
||||||
|
fi |
||||||
|
PS1="$ps1pc_start$gitstring$ps1pc_end" |
||||||
|
else |
||||||
|
printf -- "$printf_format" "$gitstring" |
||||||
|
fi |
||||||
|
|
||||||
|
return $exit |
||||||
|
} |
||||||
Loading…
Reference in new issue