From 244edd1241cc6168fba0b580c41a6adeb63f1216 Mon Sep 17 00:00:00 2001
From: Paul Mackerras <paulus@samba.org>
Date: Wed, 17 Aug 2005 21:27:55 +1000
Subject: Add graft support.
We read .git/info/grafts and use the information in there to
override the list of parents we get from git-rev-list or
git-cat-file.
---
gitk | 49 ++++++++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 48 insertions(+), 1 deletion(-)
diff --git a/gitk b/gitk
index 6dc4b24f0..c443d9513 100755
--- a/gitk
+++ b/gitk
@@ -156,6 +156,7 @@ proc readcommit {id} {
proc parsecommit {id contents listed} {
global commitinfo children nchildren parents nparents cdate ncleft
+ global grafts
set inhdr 1
set comment {}
@@ -171,13 +172,32 @@ proc parsecommit {id contents listed} {
}
set parents($id) {}
set nparents($id) 0
+ set grafted 0
+ if {[info exists grafts($id)]} {
+ set grafted 1
+ set parents($id) $grafts($id)
+ set nparents($id) [llength $grafts($id)]
+ if {$listed} {
+ foreach p $grafts($id) {
+ if {![info exists nchildren($p)]} {
+ set children($p) [list $id]
+ set nchildren($p) 1
+ set ncleft($p) 1
+ } elseif {[lsearch -exact $children($p) $id] < 0} {
+ lappend children($p) $id
+ incr nchildren($p)
+ incr ncleft($p)
+ }
+ }
+ }
+ }
foreach line [split $contents "\n"] {
if {$inhdr} {
if {$line == {}} {
set inhdr 0
} else {
set tag [lindex $line 0]
- if {$tag == "parent"} {
+ if {$tag == "parent" && !$grafted} {
set p [lindex $line 1]
if {![info exists nchildren($p)]} {
set children($p) {}
@@ -273,6 +293,32 @@ proc readrefs {} {
}
}
+proc readgrafts {} {
+ global grafts env
+ catch {
+ set graftfile info/grafts
+ if {[info exists env(GIT_GRAFT_FILE)]} {
+ set graftfile $env(GIT_GRAFT_FILE)
+ }
+ set fd [open [gitdir]/$graftfile r]
+ while {[gets $fd line] >= 0} {
+ if {[string match "#*" $line]} continue
+ set ok 1
+ foreach x $line {
+ if {![regexp {^[0-9a-f]{40}$} $x]} {
+ set ok 0
+ break
+ }
+ }
+ if {$ok} {
+ set id [lindex $line 0]
+ set grafts($id) [lrange $line 1 end]
+ }
+ }
+ close $fd
+ }
+}
+
proc error_popup msg {
set w .error
toplevel $w
@@ -3202,4 +3248,5 @@ set patchnum 0
setcoords
makewindow
readrefs
+readgrafts
getcommits $revtreeargs
--
cgit v1.2.1