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Merge branch 'en/ort-dir-rename-and-symlink-fix'

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Merging a branch with directory renames into a branch that changes
the directory to a symlink was mishandled by the ort merge
strategy, which has been corrected.

* en/ort-dir-rename-and-symlink-fix:
  merge-ort: fix bug with dir rename vs change dir to symlink
This commit is contained in:
Taylor Blau
2022-10-30 21:04:43 -04:00
parent a23e0b69e2 2b86c10084
commit 969230b64f
2 changed files with 90 additions and 2 deletions
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36
merge-ort.c
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@ -2619,8 +2619,40 @@ static void apply_directory_rename_modifications(struct merge_options *opt,
}
assert(ci->filemask == 2 || ci->filemask == 4);
assert(ci->dirmask == 0);
strmap_remove(&opt->priv->paths, old_path, 0);
assert(ci->dirmask == 0 || ci->dirmask == 1);
if (ci->dirmask == 0)
strmap_remove(&opt->priv->paths, old_path, 0);
else {
/*
* This file exists on one side, but we still had a directory
* at the old location that we can't remove until after
* processing all paths below it. So, make a copy of ci in
* new_ci and only put the file information into it.
*/
new_ci = mem_pool_calloc(&opt->priv->pool, 1, sizeof(*new_ci));
memcpy(new_ci, ci, sizeof(*ci));
assert(!new_ci->match_mask);
new_ci->dirmask = 0;
new_ci->stages[1].mode = 0;
oidcpy(&new_ci->stages[1].oid, null_oid());
/*
* Now that we have the file information in new_ci, make sure
* ci only has the directory information.
*/
ci->filemask = 0;
ci->merged.clean = 1;
for (i = MERGE_BASE; i <= MERGE_SIDE2; i++) {
if (ci->dirmask & (1 << i))
continue;
/* zero out any entries related to files */
ci->stages[i].mode = 0;
oidcpy(&ci->stages[i].oid, null_oid());
}
// Now we want to focus on new_ci, so reassign ci to it
ci = new_ci;
}
branch_with_new_path = (ci->filemask == 2) ? opt->branch1 : opt->branch2;
branch_with_dir_rename = (ci->filemask == 2) ? opt->branch2 : opt->branch1;