Re: [PATCH v3 17/20] cache.c: remove an implicit dependency on the_index

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On 06/06, Nguyễn Thái Ngọc Duy wrote:
> Make some index API take an index_state instead of assuming the_index
> in read-cache.c. All external call sites are converted blindly to keep
> the patch simple and retain current behavior.  Individual call sites
> may receive further updates to use the right index instead of the_index.
> 
> Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
> ---
>  apply.c            |  2 +-
>  builtin/checkout.c |  2 +-
>  builtin/difftool.c |  4 ++--
>  builtin/reset.c    |  2 +-
>  cache.h            |  5 +++--
>  merge-recursive.c  |  2 +-
>  read-cache.c       | 19 +++++++++++--------
>  resolve-undo.c     |  2 +-
>  8 files changed, 21 insertions(+), 17 deletions(-)
> 
> diff --git a/apply.c b/apply.c
> index 9720855590..811ff2ad5e 100644
> --- a/apply.c
> +++ b/apply.c
> @@ -4090,7 +4090,7 @@ static int build_fake_ancestor(struct apply_state *state, struct patch *list)
>  			return error(_("sha1 information is lacking or useless "
>  				       "(%s)."), name);
>  
> -		ce = make_cache_entry(patch->old_mode, oid.hash, name, 0, 0);
> +		ce = make_cache_entry(&the_index, patch->old_mode, oid.hash, name, 0, 0);
>  		if (!ce)
>  			return error(_("make_cache_entry failed for path '%s'"),
>  				     name);
> diff --git a/builtin/checkout.c b/builtin/checkout.c
> index f8c208cea1..3c8218304e 100644
> --- a/builtin/checkout.c
> +++ b/builtin/checkout.c
> @@ -230,7 +230,7 @@ static int checkout_merged(int pos, const struct checkout *state)
>  	if (write_object_file(result_buf.ptr, result_buf.size, blob_type, &oid))
>  		die(_("Unable to add merge result for '%s'"), path);
>  	free(result_buf.ptr);
> -	ce = make_cache_entry(mode, oid.hash, path, 2, 0);
> +	ce = make_cache_entry(&the_index, mode, oid.hash, path, 2, 0);
>  	if (!ce)
>  		die(_("make_cache_entry failed for path '%s'"), path);
>  	status = checkout_entry(ce, state, NULL);
> diff --git a/builtin/difftool.c b/builtin/difftool.c
> index bc97d4aef2..e34e75a42d 100644
> --- a/builtin/difftool.c
> +++ b/builtin/difftool.c
> @@ -321,7 +321,7 @@ static int checkout_path(unsigned mode, struct object_id *oid,
>  	struct cache_entry *ce;
>  	int ret;
>  
> -	ce = make_cache_entry(mode, oid->hash, path, 0, 0);
> +	ce = make_cache_entry(&the_index, mode, oid->hash, path, 0, 0);
>  	ret = checkout_entry(ce, state, NULL);
>  
>  	free(ce);
> @@ -488,7 +488,7 @@ static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix,
>  				 * index.
>  				 */
>  				struct cache_entry *ce2 =
> -					make_cache_entry(rmode, roid.hash,
> +					make_cache_entry(&the_index, rmode, roid.hash,
>  							 dst_path, 0, 0);
>  
>  				add_index_entry(&wtindex, ce2,
> diff --git a/builtin/reset.c b/builtin/reset.c
> index a862c70fab..0ea0a19d5e 100644
> --- a/builtin/reset.c
> +++ b/builtin/reset.c
> @@ -134,7 +134,7 @@ static void update_index_from_diff(struct diff_queue_struct *q,
>  			continue;
>  		}
>  
> -		ce = make_cache_entry(one->mode, one->oid.hash, one->path,
> +		ce = make_cache_entry(&the_index, one->mode, one->oid.hash, one->path,
>  				      0, 0);
>  		if (!ce)
>  			die(_("make_cache_entry failed for path '%s'"),
> diff --git a/cache.h b/cache.h
> index 89a107a7f7..5939233eb7 100644
> --- a/cache.h
> +++ b/cache.h
> @@ -355,6 +355,7 @@ extern void free_name_hash(struct index_state *istate);
>  #define unmerged_cache() unmerged_index(&the_index)
>  #define cache_name_pos(name, namelen) index_name_pos(&the_index,(name),(namelen))
>  #define add_cache_entry(ce, option) add_index_entry(&the_index, (ce), (option))
> +#define refresh_cache_entry(ce, flags) refresh_index_entry(&the_index, ce, flags)
>  #define rename_cache_entry_at(pos, new_name) rename_index_entry_at(&the_index, (pos), (new_name))
>  #define remove_cache_entry_at(pos) remove_index_entry_at(&the_index, (pos))
>  #define remove_file_from_cache(path) remove_file_from_index(&the_index, (path))
> @@ -698,7 +699,7 @@ extern int remove_file_from_index(struct index_state *, const char *path);
>  extern int add_to_index(struct index_state *, const char *path, struct stat *, int flags);
>  extern int add_file_to_index(struct index_state *, const char *path, int flags);
>  
> -extern struct cache_entry *make_cache_entry(unsigned int mode, const unsigned char *sha1, const char *path, int stage, unsigned int refresh_options);
> +extern struct cache_entry *make_cache_entry(struct index_state *istate,unsigned int mode, const unsigned char *sha1, const char *path, int stage, unsigned int refresh_options);

minor nit: s/istate,unsigned/istate, unsigned/

>  extern int chmod_index_entry(struct index_state *, struct cache_entry *ce, char flip);
>  extern int ce_same_name(const struct cache_entry *a, const struct cache_entry *b);
>  extern void set_object_name_for_intent_to_add_entry(struct cache_entry *ce);
> @@ -751,7 +752,7 @@ extern void fill_stat_cache_info(struct cache_entry *ce, struct stat *st);
>  #define REFRESH_IGNORE_SUBMODULES	0x0010	/* ignore submodules */
>  #define REFRESH_IN_PORCELAIN	0x0020	/* user friendly output, not "needs update" */
>  extern int refresh_index(struct index_state *, unsigned int flags, const struct pathspec *pathspec, char *seen, const char *header_msg);
> -extern struct cache_entry *refresh_cache_entry(struct cache_entry *, unsigned int);
> +extern struct cache_entry *refresh_index_entry(struct index_state *istate, struct cache_entry *, unsigned int);
>  
>  /*
>   * Opportunistically update the index but do not complain if we can't.
> diff --git a/merge-recursive.c b/merge-recursive.c
> index b404ebac7c..9280deb6a1 100644
> --- a/merge-recursive.c
> +++ b/merge-recursive.c
> @@ -315,7 +315,7 @@ static int add_cacheinfo(struct merge_options *o,
>  	struct cache_entry *ce;
>  	int ret;
>  
> -	ce = make_cache_entry(mode, oid ? oid->hash : null_sha1, path, stage, 0);
> +	ce = make_cache_entry(&the_index, mode, oid ? oid->hash : null_sha1, path, stage, 0);
>  	if (!ce)
>  		return err(o, _("add_cacheinfo failed for path '%s'; merge aborting."), path);
>  
> diff --git a/read-cache.c b/read-cache.c
> index 12cc22d157..c083318aa7 100644
> --- a/read-cache.c
> +++ b/read-cache.c
> @@ -745,9 +745,11 @@ int add_file_to_index(struct index_state *istate, const char *path, int flags)
>  	return add_to_index(istate, path, &st, flags);
>  }
>  
> -struct cache_entry *make_cache_entry(unsigned int mode,
> -		const unsigned char *sha1, const char *path, int stage,
> -		unsigned int refresh_options)
> +struct cache_entry *make_cache_entry(struct index_state *istate,
> +				     unsigned int mode,
> +				     const unsigned char *sha1,
> +				     const char *path, int stage,
> +				     unsigned int refresh_options)
>  {
>  	int size, len;
>  	struct cache_entry *ce, *ret;
> @@ -767,7 +769,7 @@ struct cache_entry *make_cache_entry(unsigned int mode,
>  	ce->ce_namelen = len;
>  	ce->ce_mode = create_ce_mode(mode);
>  
> -	ret = refresh_cache_entry(ce, refresh_options);
> +	ret = refresh_index_entry(istate, ce, refresh_options);
>  	if (ret != ce)
>  		free(ce);
>  	return ret;
> @@ -1415,7 +1417,7 @@ int refresh_index(struct index_state *istate, unsigned int flags,
>  		if (ignore_submodules && S_ISGITLINK(ce->ce_mode))
>  			continue;
>  
> -		if (pathspec && !ce_path_match(&the_index, ce, pathspec, seen))
> +		if (pathspec && !ce_path_match(istate, ce, pathspec, seen))
>  			filtered = 1;
>  
>  		if (ce_stage(ce)) {
> @@ -1473,10 +1475,11 @@ int refresh_index(struct index_state *istate, unsigned int flags,
>  	return has_errors;
>  }
>  
> -struct cache_entry *refresh_cache_entry(struct cache_entry *ce,
> -					       unsigned int options)
> +struct cache_entry *refresh_index_entry(struct index_state *istate,
> +					struct cache_entry *ce,
> +					unsigned int options)
>  {
> -	return refresh_cache_ent(&the_index, ce, options, NULL, NULL);
> +	return refresh_cache_ent(istate, ce, options, NULL, NULL);
>  }
>  
>  
> diff --git a/resolve-undo.c b/resolve-undo.c
> index 5e4c8c5f75..9c45fe5d1d 100644
> --- a/resolve-undo.c
> +++ b/resolve-undo.c
> @@ -146,7 +146,7 @@ int unmerge_index_entry_at(struct index_state *istate, int pos)
>  		struct cache_entry *nce;
>  		if (!ru->mode[i])
>  			continue;
> -		nce = make_cache_entry(ru->mode[i], ru->oid[i].hash,
> +		nce = make_cache_entry(&the_index, ru->mode[i], ru->oid[i].hash,
>  				       name, i + 1, 0);
>  		if (matched)
>  			nce->ce_flags |= CE_MATCHED;
> -- 
> 2.18.0.rc0.333.g22e6ee6cdf
> 

-- 
Brandon Williams



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