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mingw: provide details about unsafe directories' ownership 

When Git refuses to use an existing repository because it is owned by
someone else than the current user, it can be a bit tricky on Windows to
figure out what is going on.

Let's help with that by providing more detailed information.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
maint
Johannes Schindelin 2022-08-08 13:27:48 +00:00 committed by Junio C Hamano
parent 17d3883fe9
commit e883e04b68
1 changed files with 24 additions and 0 deletions
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24
compat/mingw.c
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@ -1,6 +1,7 @@
#include "../git-compat-util.h"
#include "win32.h"
#include <aclapi.h>
#include <sddl.h>
#include <conio.h>
#include <wchar.h>
#include "../strbuf.h"
@ -2720,6 +2721,29 @@ int is_path_owned_by_current_sid(const char *path, struct strbuf *report)
IsValidSid(current_user_sid) &&
EqualSid(sid, current_user_sid))
result = 1;
else if (report) {
LPSTR str1, str2, to_free1 = NULL, to_free2 = NULL;

if (ConvertSidToStringSidA(sid, &str1))
to_free1 = str1;
else
str1 = "(inconvertible)";

if (!current_user_sid)
str2 = "(none)";
else if (!IsValidSid(current_user_sid))
str2 = "(invalid)";
else if (ConvertSidToStringSidA(current_user_sid, &str2))
to_free2 = str2;
else
str2 = "(inconvertible)";
strbuf_addf(report,
"'%s' is owned by:\n"
"\t'%s'\nbut the current user is:\n"
"\t'%s'\n", path, str1, str2);
LocalFree(to_free1);
LocalFree(to_free2);
}
}

/*