From: Avery Pennarun <apenwarr@gmail.com>
Date: Thu, 31 Dec 2009 23:35:55 +0000 (-0500)
Subject: 'bup split' now outputs any combination of blobs, tree, and commit.
X-Git-Url: https://git.michaelhowe.org/gitweb/?a=commitdiff_plain;h=c5cfbe8033a870e8b02a0a94896714034a9a5a4f;p=packages%2Fb%2Fbup.git

'bup split' now outputs any combination of blobs, tree, and commit.

maximum flexibility.
---

diff --git a/Makefile b/Makefile
index 7138e85..ae2924b 100644
--- a/Makefile
+++ b/Makefile
@@ -14,8 +14,8 @@ runtests: all
 	
 runtests-cmdline: all
 	@echo "Testing \"$@\" in Makefile:"
-	./bup split <testfile1 >tags1
-	./bup split <testfile2 >tags2
+	./bup split -b <testfile1 >tags1
+	./bup split -b <testfile2 >tags2
 	diff -u tags1 tags2 || true
 	wc -c testfile1 testfile2
 	wc -l tags1 tags2
diff --git a/cmd-split.py b/cmd-split.py
index 5a2f967..e5eb5c3 100755
--- a/cmd-split.py
+++ b/cmd-split.py
@@ -77,12 +77,19 @@ def hashsplit_iter(f):
 optspec = """
 bup split [-t] <filename
 --
-t,tree     output a tree instead of a series of blobs
-c,commit   output a commit instead of a tree or blobs
+b,blobs    output a series of blob ids
+t,tree     output a tree id
+c,commit   output a commit id
 n,name=    name of backup set to update (if any)
 bench      print benchmark timings to stderr
 """
-(opt, flags, extra) = options.Options('bup split', optspec).parse(sys.argv[1:])
+o = options.Options('bup split', optspec)
+(opt, flags, extra) = o.parse(sys.argv[1:])
+
+if not (opt.blobs or opt.tree or opt.commit or opt.name):
+    log("bup split: use one or more of -b, -t, -c, -n\n")
+    o.usage()
+
 
 start_time = time.time()
 shalist = []
@@ -90,18 +97,18 @@ shalist = []
 ofs = 0
 for (ofs, size, sha) in hashsplit_iter(sys.stdin):
     #log('SPLIT @ %-8d size=%-8d\n' % (ofs, size))
-    if not opt.tree and not opt.commit:
+    if opt.blobs:
         print sha
     shalist.append(('100644', '%016x.bupchunk' % ofs, sha))
-if opt.tree or opt.commit:
-    tree = git.gen_tree(shalist)
-if opt.commit:
+tree = git.gen_tree(shalist)
+if opt.tree:
+    print tree
+if opt.commit or opt.name:
     msg = 'Generated by command:\n%r' % sys.argv
     ref = opt.name and ('refs/heads/%s' % opt.name) or None
     commit = git.gen_commit_easy(ref, tree, msg)
-    print commit
-elif opt.tree:
-    print tree
+    if opt.commit:
+        print commit
 
 secs = time.time() - start_time
 if opt.bench: