From 8e0484c02148970c77f5b5c59e33bf66f87de0e7 Mon Sep 17 00:00:00 2001
From: Avery Pennarun <apenwarr@gmail.com>
Date: Thu, 31 Dec 2009 21:59:30 -0500
Subject: [PATCH] 'bup join' now takes objects on the command line and handles
 commitids.

It converts commitids directly into trees and cats the entire tree
recursively.

If no ids are provided on the command line, it reverts back to reading the
list of objects from stdin.
---
 Makefile    |  2 +-
 cmd-join.sh | 26 ++++++++++++++++++++------
 2 files changed, 21 insertions(+), 7 deletions(-)

diff --git a/Makefile b/Makefile
index 417ee94..8c55b26 100644
--- a/Makefile
+++ b/Makefile
@@ -19,7 +19,7 @@ runtests-cmdline: all
 	diff -u tags1 tags2 || true
 	wc -c testfile1 testfile2
 	wc -l tags1 tags2
-	./bup join <tags1 >out1
+	./bup join $$(cat tags1) >out1
 	./bup join <tags2 >out2
 	diff -u testfile1 out1
 	diff -u testfile2 out2
diff --git a/cmd-join.sh b/cmd-join.sh
index 0001b10..08ca3dd 100755
--- a/cmd-join.sh
+++ b/cmd-join.sh
@@ -5,8 +5,8 @@ get_one()
 {
     local typ="$1"
     local sha="$2"
-    if [ "$typ" = "tree" ]; then
-        git cat-file -p "$x" | while read nmode ntyp nsha njunk; do
+    if [ "$typ" = "tree" -o "$typ" = "commit" ]; then
+        git cat-file -p "$x:" | while read nmode ntyp nsha njunk; do
 	    get_one $ntyp $nsha
 	done
     else
@@ -14,7 +14,21 @@ get_one()
     fi
 }
 
-while read x junk; do
-    typ="$(git cat-file -t "$x")"
-    get_one "$typ" "$x"
-done
+
+get_from_stdin()
+{
+    while read x junk; do
+        [ -z "$x" ] && continue
+        typ="$(git cat-file -t "$x")"
+        get_one "$typ" "$x"
+    done
+}
+
+
+if [ -z "$*" ]; then
+    get_from_stdin
+else
+    for d in "$@"; do
+        echo "$d"
+    done | get_from_stdin
+fi
-- 
2.39.5