From: Junio C Hamano <junkio@cox.net>
To: Linus Torvalds <torvalds@osdl.org>
Cc: git@vger.kernel.org
Subject: [PATCH 2/3] git-cherry: find commits not merged upstream.
Date: Thu, 23 Jun 2005 16:28:27 -0700 [thread overview]
Message-ID: <7vaclgejqc.fsf_-_@assigned-by-dhcp.cox.net> (raw)
In-Reply-To: <7v4qbofym7.fsf_-_@assigned-by-dhcp.cox.net> (Junio C. Hamano's message of "Thu, 23 Jun 2005 16:21:36 -0700")
This script helps the git-rebase script by finding commits that
have not been merged upstream.
Signed-off-by: Junio C Hamano <junkio@cox.net>
---
Makefile | 2 +
git-cherry | 90 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 91 insertions(+), 1 deletions(-)
create mode 100755 git-cherry
diff --git a/Makefile b/Makefile
--- a/Makefile
+++ b/Makefile
@@ -25,7 +25,7 @@ SCRIPTS=git git-apply-patch-script git-m
git-deltafy-script git-fetch-script git-status-script git-commit-script \
git-log-script git-shortlog git-cvsimport-script git-diff-script \
git-reset-script git-add-script git-checkout-script git-clone-script \
- gitk
+ gitk git-cherry
PROG= git-update-cache git-diff-files git-init-db git-write-tree \
git-read-tree git-commit-tree git-cat-file git-fsck-cache \
diff --git a/git-cherry b/git-cherry
new file mode 100755
--- /dev/null
+++ b/git-cherry
@@ -0,0 +1,90 @@
+#!/bin/sh
+#
+# Copyright (c) 2005 Junio C Hamano.
+#
+
+usage="usage: $0 "'<upstream> [<head>]
+
+ __*__*__*__*__> <upstream>
+ /
+ fork-point
+ \__+__+__+__+__+__+__+__> <head>
+
+Each commit between the fork-point and <head> is examined, and
+compared against the change each commit between the fork-point and
+<upstream> introduces. If the change does not seem to be in the
+upstream, it is shown on the standard output.
+
+The output is intended to be used as:
+
+ OLD_HEAD=$(git-rev-parse HEAD)
+ git-rev-parse linus >${GIT_DIR-.}/HEAD
+ git-cherry linus OLD_HEAD |
+ while read commit
+ do
+ GIT_EXTERNAL_DIFF=git-apply-patch-script git-diff-tree -p "$commit" &&
+ git-commit-script -m "$commit"
+ done
+'
+
+case "$#" in
+1) linus=`git-rev-parse "$1"` &&
+ junio=`git-rev-parse HEAD` || exit
+ ;;
+2) linus=`git-rev-parse "$1"` &&
+ junio=`git-rev-parse "$2"` || exit
+ ;;
+*) echo >&2 "$usage"; exit 1 ;;
+esac
+
+# Note that these list commits in reverse order;
+# not that the order in inup matters...
+inup=`git-rev-list ^$junio $linus` &&
+ours=`git-rev-list $junio ^$linus` || exit
+
+tmp=.cherry-tmp$$
+patch=$tmp-patch
+diff=$tmp-diff
+mkdir $patch
+trap "rm -rf $tmp-*" 0 1 2 3 15
+
+_x40='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
+_x40="$_x40$_x40$_x40$_x40$_x40$_x40$_x40$_x40"
+
+for c in $inup $ours
+do
+ git-diff-tree -p $c |
+ sed -e "/^$_x40 (from $_x40)\$/d;/^--- /d;/^+++ /d;/^@@ /d" >$patch/$c
+ git-diff-tree -r $c |
+ sed -e "/^$_x40 (from $_x40)\$/d;s/ $_x40 $_x40 / X X /" >$patch/$c.s
+done
+
+LF='
+'
+O=
+for c in $ours
+do
+ found=
+ for d in $inup
+ do
+ cmp $patch/$c.s $patch/$d.s >/dev/null ||
+ continue
+
+ diff --unified=0 $patch/$c $patch/$d >$diff
+ cmp /dev/null $diff >/dev/null && {
+ found=t
+ break
+ }
+ done
+ case "$found,$O" in
+ t,*) ;;
+ ,)
+ O="$c" ;;
+ ,*)
+ O="$c$LF$O" ;;
+ esac
+done
+case "$O" in
+'') ;;
+*) echo "$O" ;;
+esac
------------
next prev parent reply other threads:[~2005-06-23 23:22 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-20 16:19 Patch (apply) vs. Pull Darrin Thompson
2005-06-20 17:22 ` Junio C Hamano
2005-06-20 23:01 ` Darrin Thompson
2005-06-21 18:02 ` Daniel Barkalow
2005-06-22 8:47 ` Junio C Hamano
2005-06-22 9:56 ` Catalin Marinas
2005-06-21 22:09 ` Linus Torvalds
2005-06-22 9:08 ` Junio C Hamano
2005-06-22 17:21 ` Linus Torvalds
2005-06-22 20:08 ` Daniel Barkalow
2005-06-22 20:22 ` Linus Torvalds
2005-06-22 21:54 ` Daniel Barkalow
2005-06-22 22:21 ` Linus Torvalds
2005-06-23 3:32 ` Daniel Barkalow
2005-06-23 4:23 ` Linus Torvalds
2005-06-23 5:15 ` Daniel Barkalow
2005-06-23 6:09 ` Linus Torvalds
2005-06-23 16:45 ` Daniel Barkalow
2005-06-23 18:43 ` Linus Torvalds
2005-06-23 19:59 ` Daniel Barkalow
2005-06-23 22:20 ` Linus Torvalds
2005-06-23 22:49 ` Linus Torvalds
2005-06-23 12:10 ` Catalin Marinas
2005-06-23 17:05 ` Daniel Barkalow
2005-06-24 13:41 ` Catalin Marinas
2005-06-23 8:47 ` Martin Langhoff
2005-06-22 16:23 ` Darrin Thompson
2005-06-23 8:36 ` Martin Langhoff
2005-06-23 23:21 ` [PATCH 0/3] Rebasing for "individual developer" usage Junio C Hamano
2005-06-23 23:27 ` [PATCH 1/3] git-commit-script: get commit message from an existing one Junio C Hamano
2005-06-23 23:28 ` Junio C Hamano [this message]
2005-06-23 23:29 ` [PATCH 3/3] git-rebase-script: rebase local commits to new upstream head Junio C Hamano
2005-06-22 17:04 ` Patch (apply) vs. Pull Catalin Marinas
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