From 2c2923ada809d671828aa58dcda05a1b71222b70 Mon Sep 17 00:00:00 2001
From: Eric Cousineau <eacousin...@gmail.com>
Date: Mon, 25 Mar 2013 22:27:06 -0500
Subject: [PATCH] submodule-foreach: Added in --post-order=<command> and
 adjusted code per Jens Lehmann's suggestion

Signed-off-by: Eric Cousineau <eacousin...@gmail.com>
---
Updated the usage line.
I had put the locals in there before because I think I was having trouble with resolving some of the variables in nested submodules, but now that I've taken them out they seem to work fine.
I also changed the message for the post-order to say "Exiting".

I did not have a chance to look into why I couldn't group the --post-order stuff into a string
when passing it on to submodule. I can look at it later on though.

Now the output is as follows:

$ git submodule foreach --recursive --post-order 'echo Post $name' 'echo Pre $path'
Entering 'b'
Pre b
Entering 'b/d'
Pre d
Exiting 'b/d'
Post d
Exiting 'b'
Post b
Entering 'c'
Pre c
Exiting 'c'
Post c

 git-submodule.sh |   35 ++++++++++++++++++++++++++++++-----
 1 file changed, 30 insertions(+), 5 deletions(-)

diff --git a/git-submodule.sh b/git-submodule.sh
index 004c034..4c9923a 100755
--- a/git-submodule.sh
+++ b/git-submodule.sh
@@ -10,7 +10,7 @@ USAGE="[--quiet] add [-b <branch>] [-f|--force] [--name <name>] [--reference <re
    or: $dashless [--quiet] init [--] [<path>...]
or: $dashless [--quiet] update [--init] [--remote] [-N|--no-fetch] [-f|--force] [--rebase] [--reference <repository>] [--merge] [--recursive] [--] [<path>...] or: $dashless [--quiet] summary [--cached|--files] [--summary-limit <n>] [commit] [--] [<path>...]
-   or: $dashless [--quiet] foreach [--recursive] <command>
+ or: $dashless [--quiet] foreach [--recursive] [--post-order <command>] <command>
    or: $dashless [--quiet] sync [--recursive] [--] [<path>...]"
 OPTIONS_SPEC=
 . git-sh-setup
@@ -434,6 +434,8 @@ Use -f if you really want to add it." >&2
 cmd_foreach()
 {
        # parse $args after "submodule ... foreach".
+       recursive=
+       post_order=
        while test $# -ne 0
        do
                case "$1" in
@@ -443,6 +445,15 @@ cmd_foreach()
                --recursive)
                        recursive=1
                        ;;
+               --post-order)
+                       test "$#" = "1" && usage
+                       post_order="$2"
+                       shift
+                       ;;
+               --post-order=*)
+                       # Will skip empty commands
+                       post_order=${1#*=}
+                       ;;
                -*)
                        usage
                        ;;
@@ -465,7 +476,9 @@ cmd_foreach()
                die_if_unmatched "$mode"
                if test -e "$sm_path"/.git
                then
-                       say "$(eval_gettext "Entering '\$prefix\$sm_path'")"
+                       enter_msg="$(eval_gettext "Entering 
'\$prefix\$sm_path'")"
+                       exit_msg="$(eval_gettext "Exiting '\$prefix\$sm_path'")"
+ die_msg="$(eval_gettext "Stopping at '\$sm_path'; script returned non-zero status.")"
                        name=$(module_name "$sm_path")
                        (
                                prefix="$prefix$sm_path/"
@@ -473,13 +486,25 @@ cmd_foreach()
                                # we make $path available to scripts ...
                                path=$sm_path
                                cd "$sm_path" &&
-                               eval "$@" &&
+                               say "$enter_msg" &&
+                               eval "$@" || die "$die_msg" &&
                                if test -n "$recursive"
                                then
-                                       cmd_foreach "--recursive" "$@"
+                                       if test -n "$post_order"
+                                       then
+                                               # tried keeping flags as a 
variable, but was having difficulty
+                                               cmd_foreach --recursive --post-order 
"$post_order" "$@"
+                                       else
+                                               cmd_foreach --recursive "$@"
+                                       fi
+                               fi &&
+                               if test -n "$post_order"
+                               then
+                                       say "$exit_msg" &&
+                                       eval "$post_order" || die "$die_msg"
                                fi
                        ) <&3 3<&- ||
- die "$(eval_gettext "Stopping at '\$sm_path'; script returned non-zero status.")"
+                       die "$die_msg"
                fi
        done
 }
--
1.7.9.5


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