diff options
Diffstat (limited to 'plugins/gitfast/git-prompt.sh')
| -rw-r--r-- | plugins/gitfast/git-prompt.sh | 160 |
1 files changed, 126 insertions, 34 deletions
diff --git a/plugins/gitfast/git-prompt.sh b/plugins/gitfast/git-prompt.sh index a81ef5a48..f7009b063 100644 --- a/plugins/gitfast/git-prompt.sh +++ b/plugins/gitfast/git-prompt.sh @@ -60,11 +60,16 @@ # 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 # +# You can change the separator between the branch name and the above +# state symbols by setting GIT_PS1_STATESEPARATOR. The default separator +# is SP. +# # 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 @@ -77,12 +82,22 @@ # 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. +# +# 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 $p # used by GIT_PS1_SHOWUPSTREAM @@ -90,7 +105,7 @@ __git_ps1_show_upstream () { local key value local svn_remote svn_url_pattern count n - local upstream=git legacy="" verbose="" + local upstream=git legacy="" verbose="" name="" svn_remote=() # get some config options from git-config @@ -106,7 +121,7 @@ __git_ps1_show_upstream () ;; svn-remote.*.url) svn_remote[$((${#svn_remote[@]} + 1))]="$value" - svn_url_pattern+="\\|$value" + svn_url_pattern="$svn_url_pattern\\|$value" upstream=svn+git # default upstream is SVN if available, else git ;; esac @@ -118,6 +133,7 @@ __git_ps1_show_upstream () git|svn) upstream="$option" ;; verbose) verbose=1 ;; legacy) legacy=1 ;; + name) name=1 ;; esac done @@ -200,6 +216,18 @@ __git_ps1_show_upstream () *) # diverged from upstream p=" u+${count#* }-${count% *}" ;; esac + if [[ -n "$count" && -n "$name" ]]; then + __git_ps1_upstream_name=$(git rev-parse \ + --abbrev-ref "$upstream" 2>/dev/null) + if [ "$pcmode" = yes ] && [ "$ps1_expanded" = yes ]; then + p="$p \${__git_ps1_upstream_name}" + else + p="$p ${__git_ps1_upstream_name}" + # not needed anymore; keep user's + # environment clean + unset __git_ps1_upstream_name + fi + fi fi } @@ -209,7 +237,7 @@ __git_ps1_show_upstream () # to build a gitstring. __git_ps1_colorize_gitstring () { - if [[ -n ${ZSH_VERSION-} ]]; then + if [[ -n "${ZSH_VERSION-}" ]]; then local c_red='%F{red}' local c_green='%F{green}' local c_lblue='%F{blue}' @@ -227,7 +255,7 @@ __git_ps1_colorize_gitstring () local flags_color="$c_lblue" local branch_color="" - if [ $detached = no ]; then + if [ "$detached" = no ]; then branch_color="$ok_color" else branch_color="$bad_color" @@ -250,6 +278,14 @@ __git_ps1_colorize_gitstring () r="$c_clear$r" } +# 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" <"$1" +} + # __git_ps1 accepts 0 or 1 arguments (i.e., format string) # when called from PS1 using command substitution # in this mode it prints text to add to bash PS1 prompt (includes branch name) @@ -263,6 +299,8 @@ __git_ps1_colorize_gitstring () # In this mode you can request colored hints using GIT_PS1_SHOWCOLORHINTS=true __git_ps1 () { + # preserve exit status + local exit=$? local pcmode=no local detached=no local ps1pc_start='\u@\h:\w ' @@ -274,13 +312,54 @@ __git_ps1 () ps1pc_start="$1" ps1pc_end="$2" printf_format="${3:-$printf_format}" + # set PS1 to a plain prompt so that we can + # simply return early if the prompt should not + # be decorated + PS1="$ps1pc_start$ps1pc_end" ;; 0|1) printf_format="${1:-$printf_format}" ;; - *) return + *) 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=no + local repo_info rev_parse_exit_code repo_info="$(git rev-parse --git-dir --is-inside-git-dir \ --is-bare-repository --is-inside-work-tree \ @@ -288,14 +367,10 @@ __git_ps1 () rev_parse_exit_code="$?" if [ -z "$repo_info" ]; then - if [ $pcmode = yes ]; then - #In PC mode PS1 always needs to be set - PS1="$ps1pc_start$ps1pc_end" - fi - return + return $exit fi - local short_sha + local short_sha="" if [ "$rev_parse_exit_code" = "0" ]; then short_sha="${repo_info##*$'\n'}" repo_info="${repo_info%$'\n'*}" @@ -307,14 +382,22 @@ __git_ps1 () 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 . + then + return $exit + fi + local r="" local b="" local step="" local total="" if [ -d "$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 <"$g/rebase-merge/end" + __git_eread "$g/rebase-merge/head-name" b + __git_eread "$g/rebase-merge/msgnum" step + __git_eread "$g/rebase-merge/end" total if [ -f "$g/rebase-merge/interactive" ]; then r="|REBASE-i" else @@ -322,10 +405,10 @@ __git_ps1 () fi else if [ -d "$g/rebase-apply" ]; then - read step 2>/dev/null <"$g/rebase-apply/next" - read total 2>/dev/null <"$g/rebase-apply/last" + __git_eread "$g/rebase-apply/next" step + __git_eread "$g/rebase-apply/last" total if [ -f "$g/rebase-apply/rebasing" ]; then - read b 2>/dev/null <"$g/rebase-apply/head-name" + __git_eread "$g/rebase-apply/head-name" b r="|REBASE" elif [ -f "$g/rebase-apply/applying" ]; then r="|AM" @@ -349,11 +432,8 @@ __git_ps1 () b="$(git symbolic-ref HEAD 2>/dev/null)" else local head="" - if ! read head 2>/dev/null <"$g/HEAD"; then - if [ $pcmode = yes ]; then - PS1="$ps1pc_start$ps1pc_end" - fi - return + if ! __git_eread "$g/HEAD" head; then + return $exit fi # is it a symbolic ref? b="${head#ref: }" @@ -365,6 +445,8 @@ __git_ps1 () git describe --contains HEAD ;; (branch) git describe --contains --all HEAD ;; + (tag) + git describe --tags HEAD ;; (describe) git describe HEAD ;; (* | default) @@ -398,21 +480,21 @@ __git_ps1 () if [ -n "${GIT_PS1_SHOWDIRTYSTATE-}" ] && [ "$(git config --bool bash.showDirtyState)" != "false" ] then - git diff --no-ext-diff --quiet --exit-code || w="*" - if [ -n "$short_sha" ]; then - git diff-index --cached --quiet HEAD -- || i="+" - else + git diff --no-ext-diff --quiet || w="*" + git diff --no-ext-diff --cached --quiet || i="+" + if [ -z "$short_sha" ] && [ -z "$i" ]; then i="#" fi fi if [ -n "${GIT_PS1_SHOWSTASHSTATE-}" ] && - [ -r "$g/refs/stash" ]; then + git rev-parse --verify --quiet refs/stash >/dev/null + then s="$" fi if [ -n "${GIT_PS1_SHOWUNTRACKEDFILES-}" ] && [ "$(git config --bool bash.showUntrackedFiles)" != "false" ] && - git ls-files --others --exclude-standard --error-unmatch -- '*' >/dev/null 2>/dev/null + git ls-files --others --exclude-standard --directory --no-empty-directory --error-unmatch -- ':/*' >/dev/null 2>/dev/null then u="%${ZSH_VERSION+%}" fi @@ -424,16 +506,24 @@ __git_ps1 () local z="${GIT_PS1_STATESEPARATOR-" "}" - # NO color option unless in PROMPT_COMMAND mode - if [ $pcmode = yes ] && [ -n "${GIT_PS1_SHOWCOLORHINTS-}" ]; then - __git_ps1_colorize_gitstring + # NO color option unless in PROMPT_COMMAND mode or it's Zsh + if [ -n "${GIT_PS1_SHOWCOLORHINTS-}" ]; then + if [ "$pcmode" = yes ] || [ -n "${ZSH_VERSION-}" ]; then + __git_ps1_colorize_gitstring + fi + fi + + b=${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${b##refs/heads/}${f:+$z$f}$r$p" + local gitstring="$c$b${f:+$z$f}$r$p" - if [ $pcmode = yes ]; then - if [[ -n ${ZSH_VERSION-} ]]; then + if [ "$pcmode" = yes ]; then + if [ "${__git_printf_supports_v-}" != yes ]; then gitstring=$(printf -- "$printf_format" "$gitstring") else printf -v gitstring -- "$printf_format" "$gitstring" @@ -442,4 +532,6 @@ __git_ps1 () else printf -- "$printf_format" "$gitstring" fi + + return $exit } |