From: Shawn O. Pearce Date: Mon, 11 Jan 2010 18:17:12 GMT Subject: Re: Problem creating commits/trees with commit-tree/mktree Message-ID: <20100111181712.GQ32155@spearce.org> In-Reply-To: Gavin Beatty wrote: > I want to write commits to a branch without touching the index or > having a checkout (for a git subcommand I'm writing). > > I can create new blobs and trees but can't figure out how to commit a > new tree/blob _with_ the old tree. > > Currently, I do something a lot like: > > objsha=$(echo 'contents' | git hash-object -w --stdin) > objtreesha=$(printf "100644 blob $objsha\tfile.txt\000" | git mktree -z) > newtreesha=$(printf "040000 tree $objtreesha\ttreefileisin\000" | git mktree -z) You aren't feeding in the old tree contents as part of this command. If you are really doing this via a script, you should look at git-fast-import. Its faster, and its language better supports this notion of editing an existing tree. -- Shawn.