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name-hash: add index_dir_find()

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index_dir_exists() returns a boolean to indicate if there is a
case-insensitive match in the directory name-hash, but does not
provide the caller with the exact spelling of that match.

Create index_dir_find() to do the case-insensitive search *and*
optionally return the spelling of the matched directory prefix in a
provided strbuf.

To avoid code duplication, convert index_dir_exists() to be a trivial
wrapper around the new index_dir_find().

Signed-off-by: Jeff Hostetler <jeffhostetler@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff Hostetler
2024-02-26 21:39:12 +00:00
committed by Junio C Hamano
parent edae91a4cf
commit b316552339
2 changed files with 14 additions and 2 deletions
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7
name-hash.h
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@@ -4,7 +4,12 @@
struct cache_entry;
struct index_state;
int index_dir_exists(struct index_state *istate, const char *name, int namelen);
int index_dir_find(struct index_state *istate, const char *name, int namelen,
struct strbuf *canonical_path);
#define index_dir_exists(i, n, l) index_dir_find((i), (n), (l), NULL)
void adjust_dirname_case(struct index_state *istate, char *name);
struct cache_entry *index_file_exists(struct index_state *istate, const char *name, int namelen, int igncase);