subtree: use "^{commit}" instead of "^0"
commitbbffb023830f9b68e2c461e47756579a5cd6ab7a
authorLuke Shumaker <lukeshu@datawire.io>
Tue, 27 Apr 2021 21:17:38 +0000 (27 15:17 -0600)
committerJunio C Hamano <gitster@pobox.com>
Wed, 28 Apr 2021 07:47:18 +0000 (28 16:47 +0900)
tree6e47c54ae9de0248f3d35d87810d2caac968c8ea
parent22d550749361ff2a480bc4263ae21919368851ed
subtree: use "^{commit}" instead of "^0"

They are synonyms.  Both are used in the file.  ^{commit} is clearer, so
"standardize" on that.

Signed-off-by: Luke Shumaker <lukeshu@datawire.io>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
contrib/subtree/git-subtree.sh