ls-tree: further tweaks of the rewrite
It modifies the selection a bit, so that a pathspec that is a superset of a particular tree path will always cause it to recurse into that tree. As an example, let's say that we do git-ls-tree HEAD drivers/char _without_ the "-r". What will happen is that it will start out doing all the base tree, and for "drivers" it will notice that it's a proper subset of "drivers/char", so it will always recurse into _that_ tree (but not into other trees). Then, it will not match anything else than "char" in that subdirectory, and because that's not a proper superset (it's an exact match), it will _not_ recurse into it, so you get: [torvalds@g5 linux]$ ~/git/git-ls-tree HEAD drivers/char 040000 tree 9568cda453aae205bb58983747fa73b9696d9d51 drivers/char which is what you got with the old git-ls-tree too. But interestingly, if you add the slash, it will become a proper superset and it will recurse into _that_ subdirectory (but no deeper: so if you want all subdirectories _below_ drivers/char/, you still need to give "-r"): [torvalds@g5 linux]$ ~/git/git-ls-tree HEAD drivers/char/ 100644 blob 2b6b1d772ed776fff87927fc34adc2e40500218e drivers/char/.gitignore 100644 blob 56b8a2e76ab10a5c21787cb7068a846075cbaffd drivers/char/ChangeLog 100644 blob 970f70d498f4c814e1cf3362e33d7e23ac53c299 drivers/char/Kconfig ... See? This is on top of the previous two diffs, holler if you want a whole new "everything combined" version.. It hasn't gotten lots of testing, but it should work. Linus
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