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authorLibravatar brian m. carlson <sandals@crustytoothpaste.net>2020-12-13 00:25:28 +0000
committerLibravatar Junio C Hamano <gitster@pobox.com>2020-12-12 23:35:47 -0800
commitbe6e0daee700b2ee28846b54ddfefe08cd4ec506 (patch)
tree8a1e2f49bf04b541f314fe2aec632de921475d53 /graph.c
parentEleventh batch (diff)
downloadtgif-be6e0daee700b2ee28846b54ddfefe08cd4ec506.tar.xz
abspath: add a function to resolve paths with missing components
Currently, we have a function to resolve paths, strbuf_realpath. This function canonicalizes paths like realpath(3), but permits a trailing component to be absent from the file system. In other words, this is the behavior of the GNU realpath(1) without any arguments. In the future, we'll need this same behavior, except that we want to allow for any number of missing trailing components, which is the behavior of GNU realpath(1) with the -m option. This is useful because we'll want to canonicalize a path that may point to a not yet present path under the .git directory. For example, a user may want to know where an arbitrary ref would be stored if it existed in the file system. Let's refactor strbuf_realpath to move most of the code to an internal function and then pass it two flags to control its behavior. We'll add a strbuf_realpath_forgiving function that has our new behavior, and leave strbuf_realpath with the older, stricter behavior. Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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