klibc - Mar 2020 - [klibc:master] dash: README.dash: Include "dash:" and upstream commit in patches

Commit-ID:  663e807d02dd4a84f386b2da19a2fb10c3b94b7c
Gitweb:    
http://git.kernel.org/?p=libs/klibc/klibc.git;a=commit;h=663e807d02dd4a84f386b2da19a2fb10c3b94b7c
Author:     Ben Hutchings <ben at decadent.org.uk>
AuthorDate: Sat, 28 Mar 2020 17:47:36 +0000
Committer:  Ben Hutchings <ben at decadent.org.uk>
CommitDate: Sat, 28 Mar 2020 19:01:42 +0000

[klibc] dash: README.dash: Include "dash:" and upstream commit in
patches

Add an awk command in the pipeline to:

* Insert "dash:" in each commit message subject as well as
"[klibc]"
* Insert the hash of the original commit at the top of each message body

Signed-off-by: Ben Hutchings <ben at decadent.org.uk>

---
 usr/dash/README.dash | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/usr/dash/README.dash b/usr/dash/README.dash
index 68033809..f2f31e96 100644
--- a/usr/dash/README.dash
+++ b/usr/dash/README.dash
@@ -9,7 +9,14 @@ HOWTO sync branch:
 
 1) Generate mailbox of patches and fix up their paths:
 
- git format-patch --subject-prefix=klibc -N --stdout <changeset>.. \
+ git format-patch --subject-prefix='' -N --stdout <changeset>.. \
+ | awk '(FNR == 1 || blank) && /^From / { header = 1; hash = $2 }
+        header && /^Subject:/ { sub("^Subject:",
"Subject: [klibc] dash:") }
+        { print; blank = /^$/ }
+        header && blank {
+            print "[ dash commit", hash, "]"; print
+            header = 0
+        }' \
  | filterdiff --strip 2 --addoldprefix a/usr/dash/ --addnewprefix b/usr/dash/ \
        --exclude="*/configure.ac" --exclude="*/ChangeLog" \
        --exclude="*/dash.1" --exclude="*/Makefile.am" \