[TopGit PATCH] tg-push: prevent multiple occurences of branches

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So, I finally tried tg-push and got a lot of warnings and errors:

warning, no base found top-bases/master
warning, no base found top-bases/master
warning, no base found top-bases/master
warning, no base found top-bases/master
warning, no base found top-bases/master
warning, no base found top-bases/master
warning, no base found top-bases/master
warning, no base found top-bases/master
warning, no base found top-bases/master
warning, no base found top-bases/master
warning, no base found top-bases/master


error: Ref refs/heads/master is at b725fc951a37854fc65945ac5bcab3bc61ccbd94 but expected 0000000000000000000000000000000000000000
error: failed to lock refs/heads/master
error: Ref refs/heads/master is at b725fc951a37854fc65945ac5bcab3bc61ccbd94 but expected 0000000000000000000000000000000000000000
error: failed to lock refs/heads/master
error: Ref refs/heads/master is at b725fc951a37854fc65945ac5bcab3bc61ccbd94 but expected 0000000000000000000000000000000000000000
error: failed to lock refs/heads/master
error: Ref refs/heads/master is at b725fc951a37854fc65945ac5bcab3bc61ccbd94 but expected 0000000000000000000000000000000000000000
error: failed to lock refs/heads/master
error: Ref refs/heads/master is at b725fc951a37854fc65945ac5bcab3bc61ccbd94 but expected 0000000000000000000000000000000000000000
error: failed to lock refs/heads/master
error: Ref refs/heads/master is at b725fc951a37854fc65945ac5bcab3bc61ccbd94 but expected 0000000000000000000000000000000000000000
error: failed to lock refs/heads/master
error: Ref refs/heads/master is at b725fc951a37854fc65945ac5bcab3bc61ccbd94 but expected 0000000000000000000000000000000000000000
error: failed to lock refs/heads/master
error: Ref refs/heads/master is at b725fc951a37854fc65945ac5bcab3bc61ccbd94 but expected 0000000000000000000000000000000000000000
error: failed to lock refs/heads/master
error: Ref refs/heads/master is at b725fc951a37854fc65945ac5bcab3bc61ccbd94 but expected 0000000000000000000000000000000000000000
error: failed to lock refs/heads/master
error: Ref refs/heads/master is at b725fc951a37854fc65945ac5bcab3bc61ccbd94 but expected 0000000000000000000000000000000000000000
error: failed to lock refs/heads/master
error: Ref refs/heads/bw/log is at a16df35cc7009b36f6f71717ae3d9a3dc29987da but expected 0000000000000000000000000000000000000000
error: failed to lock refs/heads/bw/log
error: Ref refs/top-bases/bw/log is at b725fc951a37854fc65945ac5bcab3bc61ccbd94 but expected 0000000000000000000000000000000000000000
error: failed to lock refs/top-bases/bw/log

 ! [remote rejected] master -> master (failed to lock)
 ! [remote rejected] master -> master (failed to lock)
 ! [remote rejected] master -> master (failed to lock)
 ! [remote rejected] master -> master (failed to lock)
 ! [remote rejected] master -> master (failed to lock)
 ! [remote rejected] master -> master (failed to lock)
 ! [remote rejected] master -> master (failed to lock)
 ! [remote rejected] master -> master (failed to lock)
 ! [remote rejected] master -> master (failed to lock)
 ! [remote rejected] master -> master (failed to lock)
 ! [remote rejected] bw/log -> bw/log (failed to lock)
 ! [remote rejected] refs/top-bases/bw/log -> refs/top-bases/bw/log (failed to lock)

Also the result was ok this output is defintive not ok.

To prevent multiple occurences of the same branchname we maintain these in a
file.

In push_branch ref_exists was called, which is redundant because _dep_is_tgish
tells us exactly this.

Regards,
Bert

Signed-off-by: Bert Wesarg <bert.wesarg@xxxxxxxxxxxxxx>

---
 tg-push.sh |   48 +++++++++++++++++++++++++++++-------------------
 1 files changed, 29 insertions(+), 19 deletions(-)

diff --git a/tg-push.sh b/tg-push.sh
index 8d09a02..c813927 100644
--- a/tg-push.sh
+++ b/tg-push.sh
@@ -45,31 +45,41 @@ for name in $branches; do
 	ref_exists "$name" || die "detached HEAD? Can't push $name"
 done
 
+_listfile="$(mktemp -t tg-push-listfile.XXXXXX)"
+trap "rm -f \"$_listfile\"" 0
+
+# prevent multiple occurrences of the same branch
+add_to_list()
+{
+	fgrep -qx "$1" "$_listfile" ||
+		echo "$1" >> "$_listfile"
+}
+
 push_branch()
 {
 	# if so desired omit non tgish deps
 	$tgish_deps_only && [ -z "$_dep_is_tgish" ] && return 0
 
-	echo "$_dep"
-	local base="top-bases/$_dep"
-	if ref_exists "$base"; then
-		echo "top-bases/$_dep"
-	else
-		echo "warning, no base found $base" 1>&2
-	fi
+	add_to_list "$_dep"
+	[ -z "$_dep_is_tgish" ] ||
+		add_to_list "top-bases/$_dep"
 }
 
 for name in $branches; do
-	list="$(
-		# deps
-		if $recurse_deps; then
-			no_remotes=1 recurse_deps push_branch "$name"
-		fi
-		# current branch
-		_dep="$name"
-		_dep_is_tgish=1
-		push_branch "$name"
-	)"
-	echo "pushing:"; echo $list
-	git push $dry_run "$remote" $list
+	# current branch
+	# re-use push_branch, which expects some pre-defined variables
+	_dep="$name"
+	_dep_is_tgish=1
+	ref_exists "top-bases/$_dep" ||
+		_dep_is_tgish=
+	push_branch "$name"
+
+	# deps
+	$recurse_deps &&
+		no_remotes=1 recurse_deps push_branch "$name"
+
+	cat "$_listfile" |
+		sed '1{ s/^/Pushing: /; n; }; s/^/         /;'
+
+	cat "$_listfile" | xargs git push $dry_run "$remote"
 done
-- 
tg: (b725fc9..) bw/push-fixes (depends on: master)
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