fast-import should not use strncmp_icase. When it does, files with
similar names, but different case can be lost in the import. For
example...
M 100644 :1 FileName.txt
D Filename.txt
...would end up deleting FileName from the index during the fast-
import when strncmp_icase is used and core.ignorecase=true. The
intent in the above snippet is to rename the file, not delete it.
Replacing strncmp_icase with strncmp in fast-import.c fixes the
issue.
alternatives:
* check if the filesystem is case-preserving. If it is, don't
set core.ignorecase=true. This, however, exposes another issue
where git is tricked by stat into thinking that tracked files
are untracked on case-preserving and case-insensitive filesystems.
---
fast-import.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/fast-import.c b/fast-import.c
index f4d9969..62e28c0 100644
--- a/fast-import.c
+++ b/fast-import.c
@@ -1500,7 +1500,7 @@ static int tree_content_set(
t = root->tree;
for (i = 0; i < t->entry_count; i++) {
e = t->entries[i];
- if (e->name->str_len == n && !strncmp_icase(p,
e->name->str_dat, n)) {
+ if (e->name->str_len == n && !strncmp(p, e->name->str_dat, n)) {
if (!slash1) {
if (!S_ISDIR(mode)
&& e->versions[1].mode == mode
@@ -1593,7 +1593,7 @@ static int tree_content_remove(
t = root->tree;
for (i = 0; i < t->entry_count; i++) {
e = t->entries[i];
- if (e->name->str_len == n && !strncmp_icase(p,
e->name->str_dat, n)) {
+ if (e->name->str_len == n && !strncmp(p, e->name->str_dat, n)) {
if (slash1 && !S_ISDIR(e->versions[1].mode))
/*
* If p names a file in some subdirectory, and a
@@ -1663,7 +1663,7 @@ static int tree_content_get(
t = root->tree;
for (i = 0; i < t->entry_count; i++) {
e = t->entries[i];
- if (e->name->str_len == n && !strncmp_icase(p,
e->name->str_dat, n)) {
+ if (e->name->str_len == n && !strncmp(p, e->name->str_dat, n)) {
if (!slash1)
goto found_entry;
if (!S_ISDIR(e->versions[1].mode))
--
1.8.5.3.1.gac93028.dirty
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