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authorNipunn Koorapati <nipunn@dropbox.com>2021-03-17 21:22:22 +0000
committerJunio C Hamano <gitster@pobox.com>2021-03-18 13:31:13 -0700
commit0ec9949f78e348250f55ba0343344ec8c606be11 (patch)
tree929a8a2d49ce004cf9c1e3503d4525b5741509d3 /diff-lib.c
parent4f3d6d026176a48991c4e5ff95c8db583af38148 (diff)
downloadgit-0ec9949f78e348250f55ba0343344ec8c606be11.tar.gz
fsmonitor: add assertion that fsmonitor is valid to check_removed
Validate that fsmonitor is valid to futureproof against bugs where check_removed might be called from places that haven't refreshed. Signed-off-by: Nipunn Koorapati <nipunn@dropbox.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'diff-lib.c')
-rw-r--r--diff-lib.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/diff-lib.c b/diff-lib.c
index 3fb538ad18..e5a58c9259 100644
--- a/diff-lib.c
+++ b/diff-lib.c
@@ -28,8 +28,9 @@
* exists for ce that is a submodule -- it is a submodule that is not
* checked out). Return negative for an error.
*/
-static int check_removed(const struct cache_entry *ce, struct stat *st)
+static int check_removed(const struct index_state *istate, const struct cache_entry *ce, struct stat *st)
{
+ assert(is_fsmonitor_refreshed(istate));
if (!(ce->ce_flags & CE_FSMONITOR_VALID) && lstat(ce->name, st) < 0) {
if (!is_missing_file_error(errno))
return -1;
@@ -136,7 +137,7 @@ int run_diff_files(struct rev_info *revs, unsigned int option)
memset(&(dpath->parent[0]), 0,
sizeof(struct combine_diff_parent)*5);
- changed = check_removed(ce, &st);
+ changed = check_removed(istate, ce, &st);
if (!changed)
wt_mode = ce_mode_from_stat(ce, st.st_mode);
else {
@@ -216,7 +217,7 @@ int run_diff_files(struct rev_info *revs, unsigned int option)
} else {
struct stat st;
- changed = check_removed(ce, &st);
+ changed = check_removed(istate, ce, &st);
if (changed) {
if (changed < 0) {
perror(ce->name);
@@ -278,7 +279,8 @@ static void diff_index_show_file(struct rev_info *revs,
oid, oid_valid, ce->name, dirty_submodule);
}
-static int get_stat_data(const struct cache_entry *ce,
+static int get_stat_data(const struct index_state *istate,
+ const struct cache_entry *ce,
const struct object_id **oidp,
unsigned int *modep,
int cached, int match_missing,
@@ -290,7 +292,7 @@ static int get_stat_data(const struct cache_entry *ce,
if (!cached && !ce_uptodate(ce)) {
int changed;
struct stat st;
- changed = check_removed(ce, &st);
+ changed = check_removed(istate, ce, &st);
if (changed < 0)
return -1;
else if (changed) {
@@ -321,12 +323,13 @@ static void show_new_file(struct rev_info *revs,
const struct object_id *oid;
unsigned int mode;
unsigned dirty_submodule = 0;
+ struct index_state *istate = revs->diffopt.repo->index;
/*
* New file in the index: it might actually be different in
* the working tree.
*/
- if (get_stat_data(new_file, &oid, &mode, cached, match_missing,
+ if (get_stat_data(istate, new_file, &oid, &mode, cached, match_missing,
&dirty_submodule, &revs->diffopt) < 0)
return;
@@ -342,8 +345,9 @@ static int show_modified(struct rev_info *revs,
unsigned int mode, oldmode;
const struct object_id *oid;
unsigned dirty_submodule = 0;
+ struct index_state *istate = revs->diffopt.repo->index;
- if (get_stat_data(new_entry, &oid, &mode, cached, match_missing,
+ if (get_stat_data(istate, new_entry, &oid, &mode, cached, match_missing,
&dirty_submodule, &revs->diffopt) < 0) {
if (report_missing)
diff_index_show_file(revs, "-", old_entry,