git-prompt.sh: make $f local to __git_eread()

diff --git a/contrib/completion/git-prompt.sh b/contrib/completion/git-prompt.sh
index 998722cf7f5d65639654f9f7e74f4c2b3d5452f3..dba928ed00458cae9987e2bdbbad324827435ad3 100644 (file)
--- a/contrib/completion/git-prompt.sh
+++ b/contrib/completion/git-prompt.sh
@@ -60,6 +60,7 @@
 # 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}
@@ -94,7 +95,7 @@ __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
@@ -122,6 +123,7 @@ __git_ps1_show_upstream ()
                git|svn) upstream="$option" ;;
                verbose) verbose=1 ;;
                legacy)  legacy=1  ;;
+               name)    name=1 ;;
                esac
        done
 
@@ -204,6 +206,9 @@ __git_ps1_show_upstream ()
                *)          # diverged from upstream
                        p=" u+${count#* }-${count%      *}" ;;
                esac
+               if [[ -n "$count" && -n "$name" ]]; then
+                       p="$p $(git rev-parse --abbrev-ref "$upstream" 2>/dev/null)"
+               fi
        fi
 
 }
@@ -254,6 +259,13 @@ __git_ps1_colorize_gitstring ()
        r="$c_clear$r"
 }
 
+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)
@@ -316,9 +328,9 @@ __git_ps1 ()
        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"
+               eread "$g/rebase-merge/head-name" b
+               eread "$g/rebase-merge/msgnum" step
+               eread "$g/rebase-merge/end" total
                if [ -f "$g/rebase-merge/interactive" ]; then
                        r="|REBASE-i"
                else
@@ -326,10 +338,10 @@ __git_ps1 ()
                fi
        else
                if [ -d "$g/rebase-apply" ]; then
-                       read step 2>/dev/null <"$g/rebase-apply/next"
-                       read total 2>/dev/null <"$g/rebase-apply/last"
+                       eread "$g/rebase-apply/next" step
+                       eread "$g/rebase-apply/last" total
                        if [ -f "$g/rebase-apply/rebasing" ]; then
-                               read b 2>/dev/null <"$g/rebase-apply/head-name"
+                               eread "$g/rebase-apply/head-name" b
                                r="|REBASE"
                        elif [ -f "$g/rebase-apply/applying" ]; then
                                r="|AM"
@@ -353,7 +365,7 @@ __git_ps1 ()
                        b="$(git symbolic-ref HEAD 2>/dev/null)"
                else
                        local head=""
-                       if ! read head 2>/dev/null <"$g/HEAD"; then
+                       if ! eread "$g/HEAD" head; then
                                if [ $pcmode = yes ]; then
                                        PS1="$ps1pc_start$ps1pc_end"
                                fi