From 4a6f56f6197d76a436c63a2794baf3808687fb2e Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sat, 6 Jul 2019 23:54:54 +0100
Subject: [PATCH] git-debpush: Support --upstream=TAG (and document it)

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---
 git-debpush       | 10 ++++++----
 git-debpush.1.pod |  9 +++++++++
 2 files changed, 15 insertions(+), 4 deletions(-)

diff --git a/git-debpush b/git-debpush
index e9b64d4a..5ffbd52c 100755
--- a/git-debpush
+++ b/git-debpush
@@ -66,7 +66,7 @@ get_file_from_ref () {
 # ---- Parse command line
 
 getopt=$(getopt -s bash -o 'nfu:' \
-              -l 'no-push,force,branch:,remote:,distro:,quilt:,gbp,dpm,\
+              -l 'no-push,force,branch:,remote:,distro:,upstream:,quilt:,gbp,dpm,\
 baredebian,baredebian+git,baredebian+tarball' \
               -n "$us" -- "$@")
 eval "set - $getopt"
@@ -90,6 +90,7 @@ while true; do
         '--remote')       remote=$2;               shift 2; continue ;;
         '--distro')       distro=$2;               shift 2; continue ;;
         '--quilt')        quilt_mode=$2;           shift 2; continue ;;
+        '--upstream')     upstream_tag=$2;         shift 2; continue ;;
 
         '--baredebian'|'--baredebian+git')
             quilt_mode=baredebian;         shift; continue ;;
@@ -214,9 +215,10 @@ esac
 
 upstream_info=""
 if $upstream; then
-    # xxx want way to override this
-    upstream_tag=$(git deborig --just-print --version="$version" \
-                       | head -n1)
+    if [ "x$upstream_tag" = x ]; then
+	upstream_tag=$(git deborig --just-print --version="$version" \
+			   | head -n1)
+    fi
     upstream_committish=$(git rev-parse "refs/tags/${upstream_tag}"^{})
     upstream_info=" upstream-tag=$upstream_tag upstream=$upstream_committish"
 fi
diff --git a/git-debpush.1.pod b/git-debpush.1.pod
index 926e8cd3..f1edf776 100644
--- a/git-debpush.1.pod
+++ b/git-debpush.1.pod
@@ -168,6 +168,15 @@ Note that this need not actually be a branch, but any committish (see
 gitglossary(7)).  The option name is chosen to fit what is by far the
 most common case.
 
+=item B<--upstream=>I<TAG>
+
+When pushing a non-native package,
+git-debpush needs a tag for the upstream part of your package.
+
+By default git-debpush asks git-deborig,
+which searches for a suitable tag in your tree,
+based on the upstream version.
+
 =item B<--remote=>I<REMOTE>
 
 Where to push tags and branches.  If unspecified, use the remote which
-- 
2.30.2