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index: make add_all to act on a diff

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Instead of going through each entry we have and re-adding, which may not
even be correct for certain crlf options and has bad performance, use
the function which performs a diff against the worktree and try to add
and remove files from that list.
This commit is contained in:
Carlos Martín Nieto 2015-05-11 16:09:09 +02:00
parent 197307f6b1
commit 0a78a52ed9
1 changed files with 28 additions and 80 deletions
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108
src/index.c
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@ -24,6 +24,10 @@
#include "git2/config.h"
#include "git2/sys/index.h"
static int index_apply_to_wd_diff(git_index *index, int action, const git_strarray *paths,
unsigned int flags,
git_index_matched_path_cb cb, void *payload);
#define entry_size(type,len) ((offsetof(type, path) + (len) + 8) & ~7)
#define short_entry_size(len) entry_size(struct entry_short, len)
#define long_entry_size(len) entry_size(struct entry_long, len)
@ -2554,6 +2558,13 @@ git_repository *git_index_owner(const git_index *index)
return INDEX_OWNER(index);
}
enum {
INDEX_ACTION_NONE = 0,
INDEX_ACTION_UPDATE = 1,
INDEX_ACTION_REMOVE = 2,
INDEX_ACTION_ADDALL = 3,
};
int git_index_add_all(
git_index *index,
const git_strarray *paths,
@ -2564,29 +2575,15 @@ int git_index_add_all(
int error;
git_repository *repo;
git_iterator *wditer = NULL;
const git_index_entry *wd = NULL;
git_index_entry *entry;
git_pathspec ps;
const char *match;
size_t existing;
bool no_fnmatch = (flags & GIT_INDEX_ADD_DISABLE_PATHSPEC_MATCH) != 0;
int ignorecase;
git_oid blobid;
assert(index);
if (INDEX_OWNER(index) == NULL)
return create_index_error(-1,
"Could not add paths to index. "
"Index is not backed up by an existing repository.");
repo = INDEX_OWNER(index);
if ((error = git_repository__ensure_not_bare(repo, "index add all")) < 0)
return error;
if (git_repository__cvar(&ignorecase, repo, GIT_CVAR_IGNORECASE) < 0)
return -1;
if ((error = git_pathspec__init(&ps, paths)) < 0)
return error;
@ -2597,63 +2594,10 @@ int git_index_add_all(
repo, &ps.pathspec, no_fnmatch)) < 0)
goto cleanup;
if ((error = git_iterator_for_workdir(
&wditer, repo, NULL, NULL, 0, ps.prefix, ps.prefix)) < 0)
goto cleanup;
error = index_apply_to_wd_diff(index, INDEX_ACTION_ADDALL, paths, flags, cb, payload);
while (!(error = git_iterator_advance(&wd, wditer))) {
/* check if path actually matches */
if (!git_pathspec__match(
&ps.pathspec, wd->path, no_fnmatch, (bool)ignorecase, &match, NULL))
continue;
/* skip ignored items that are not already in the index */
if ((flags & GIT_INDEX_ADD_FORCE) == 0 &&
git_iterator_current_is_ignored(wditer) &&
index_find(&existing, index, wd->path, 0, 0, true) < 0)
continue;
/* issue notification callback if requested */
if (cb && (error = cb(wd->path, match, payload)) != 0) {
if (error > 0) /* return > 0 means skip this one */
continue;
if (error < 0) { /* return < 0 means abort */
giterr_set_after_callback(error);
break;
}
}
/* TODO: Should we check if the file on disk is already an exact
* match to the file in the index and skip this work if it is?
*/
/* write the blob to disk and get the oid */
if ((error = git_blob_create_fromworkdir(&blobid, repo, wd->path)) < 0)
break;
/* make the new entry to insert */
if ((error = index_entry_dup(&entry, INDEX_OWNER(index), wd)) < 0)
break;
entry->id = blobid;
/* add working directory item to index */
if ((error = index_insert(index, &entry, 1, false)) < 0)
break;
git_tree_cache_invalidate_path(index->tree, wd->path);
/* add implies conflict resolved, move conflict entries to REUC */
if ((error = index_conflict_to_reuc(index, wd->path)) < 0) {
if (error != GIT_ENOTFOUND)
break;
giterr_clear();
}
}
if (error == GIT_ITEROVER)
error = 0;
if (error)
giterr_set_after_callback(error);
cleanup:
git_iterator_free(wditer);
@ -2662,15 +2606,10 @@ cleanup:
return error;
}
enum {
INDEX_ACTION_NONE = 0,
INDEX_ACTION_UPDATE = 1,
INDEX_ACTION_REMOVE = 2,
};
struct foreach_diff_data {
git_index *index;
const git_pathspec *pathspec;
unsigned int flags;
git_index_matched_path_cb cb;
void *payload;
};
@ -2702,27 +2641,30 @@ static int apply_each_file(const git_diff_delta *delta, float progress, void *pa
if (delta->status == GIT_DELTA_DELETED)
error = git_index_remove_bypath(data->index, path);
else
error = git_index_add_bypath(data->index, path);
error = git_index_add_bypath(data->index, delta->new_file.path);
return error;
}
static int index_apply_to_wd_diff(git_index *index, int action, const git_strarray *paths,
unsigned int flags,
git_index_matched_path_cb cb, void *payload)
{
int error;
git_diff *diff;
git_pathspec ps;
git_repository *repo;
git_diff_options opts = GIT_DIFF_OPTIONS_INIT;
struct foreach_diff_data data = {
index,
NULL,
flags,
cb,
payload,
};
assert(index);
assert(action == INDEX_ACTION_UPDATE);
assert(action == INDEX_ACTION_UPDATE || action == INDEX_ACTION_ADDALL);
repo = INDEX_OWNER(index);
@ -2739,7 +2681,13 @@ static int index_apply_to_wd_diff(git_index *index, int action, const git_strarr
if ((error = git_pathspec__init(&ps, paths)) < 0)
return error;
if ((error = git_diff_index_to_workdir(&diff, repo, index, NULL)) < 0)
if (action == INDEX_ACTION_ADDALL) {
opts.flags = GIT_DIFF_INCLUDE_UNTRACKED | GIT_DIFF_RECURSE_IGNORED_DIRS;
if (flags == GIT_INDEX_ADD_FORCE)
opts.flags |= GIT_DIFF_INCLUDE_IGNORED;
}
if ((error = git_diff_index_to_workdir(&diff, repo, index, &opts)) < 0)
goto cleanup;
data.pathspec = &ps;
@ -2850,7 +2798,7 @@ int git_index_update_all(
git_index_matched_path_cb cb,
void *payload)
{
int error = index_apply_to_wd_diff(index, INDEX_ACTION_UPDATE, pathspec, cb, payload);
int error = index_apply_to_wd_diff(index, INDEX_ACTION_UPDATE, pathspec, 0, cb, payload);
if (error) /* make sure error is set if callback stopped iteration */
giterr_set_after_callback(error);