Merge branch 'jz/gitweb-conf-doc-fix' into maint

diff --git a/contrib/completion/git-prompt.sh b/contrib/completion/git-prompt.sh
index e7ae736e4b6f7585e3d89960f8ff67455da81401..f18aedc73be9daf4aab564beecb7bae29ea759c9 100644 (file)
--- a/contrib/completion/git-prompt.sh
+++ b/contrib/completion/git-prompt.sh
@@ -84,6 +84,11 @@
 # 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=
@@ -268,6 +273,13 @@ __git_ps1_colorize_gitstring ()
        r="$c_clear$r"
 }
 
+__git_eread ()
+{
+       local f="$1"
+       shift
+       test -r "$f" && read "$@" <"$f"
+}
+
 # __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)
@@ -281,6 +293,8 @@ __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 '
@@ -292,10 +306,14 @@ __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
 
@@ -343,11 +361,7 @@ __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
@@ -362,14 +376,22 @@ __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 "$g/rebase-merge/interactive" ]; then
                        r="|REBASE-i"
                else
@@ -377,10 +399,10 @@ __git_ps1 ()
                fi
        else
                if [ -d "$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"
@@ -404,11 +426,8 @@ __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: }"
@@ -461,13 +480,14 @@ __git_ps1 ()
                        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 --error-unmatch -- ':/*' >/dev/null 2>/dev/null
                then
                        u="%${ZSH_VERSION+%}"
                fi
@@ -503,4 +523,6 @@ __git_ps1 ()
        else
                printf -- "$printf_format" "$gitstring"
        fi
+
+       return $exit
 }