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mingw: special-case index entries for symlinks with buggy size #2666

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Merged
merged 1 commit into from
Jun 6, 2020
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mingw: special-case index entries for symlinks with buggy size #2666

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11 changes: 11 additions & 0 deletions read-cache.c
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Original file line number Diff line number Diff line change
Expand Up @@ -451,6 +451,17 @@ int ie_modified(struct index_state *istate,
* then we know it is.
*/
if ((changed & DATA_CHANGED) &&
#ifdef GIT_WINDOWS_NATIVE
/*
* Work around Git for Windows v2.27.0 fixing a bug where symlinks'
* target path lengths were not read at all, and instead recorded
* as 4096: now, all symlinks would appear as modified.
*
* So let's just special-case symlinks with a target path length
* (i.e. `sd_size`) of 4096 and force them to be re-checked.
*/
(!S_ISLNK(st->st_mode) || ce->ce_stat_data.sd_size != MAX_LONG_PATH) &&
#endif
(S_ISGITLINK(ce->ce_mode) || ce->ce_stat_data.sd_size != 0))
return changed;

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