Merge branch 'rs/use-isxdigit'

diff --git a/contrib/completion/git-prompt.sh b/contrib/completion/git-prompt.sh
index c5473dc8dba78b372fd95ef2bf5257ff5cdc3baf..214e859f99e7d896a6fa45a737b5b3e2a629176f 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=
@@ -270,7 +275,7 @@ __git_ps1_colorize_gitstring ()
 
 __git_eread ()
 {
-       f="$1"
+       local f="$1"
        shift
        test -r "$f" && read "$@" <"$f"
 }
@@ -288,6 +293,8 @@ __git_eread ()
 # 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 '
@@ -299,10 +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
 
@@ -350,11 +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
@@ -369,6 +376,14 @@ __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 $exit
+       fi
+
        local r=""
        local b=""
        local step=""
@@ -412,10 +427,7 @@ __git_ps1 ()
                else
                        local head=""
                        if ! __git_eread "$g/HEAD" head; then
-                               if [ $pcmode = yes ]; then
-                                       PS1="$ps1pc_start$ps1pc_end"
-                               fi
-                               return
+                               return $exit
                        fi
                        # is it a symbolic ref?
                        b="${head#ref: }"
@@ -511,4 +523,6 @@ __git_ps1 ()
        else
                printf -- "$printf_format" "$gitstring"
        fi
+
+       return $exit
 }