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Merge pull request #3791: Various fixes around safe.directory
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The first three commits are rebased versions of those in gitgitgadget#1215. These allow the following:

1. Fix `git config --global foo.bar <path>` from allowing the `<path>`. As a bonus, users with a config value starting with `/` will not get a warning about "old-style" paths needing a "`%(prefix)/`".

2. When in WSL, the path starts with `/` so it needs to be interpolated properly. Update the warning to include `%(prefix)/` to get the right value for WSL users. (This is specifically for using Git for Windows from Git Bash, but in a WSL directory.)

3. When using WSL, the ownership check fails and reports an error message. This is noisy, and happens even if the user has marked the path with `safe.directory`. Remove that error message.
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derrickstolee authored and vdye committed Apr 18, 2022
2 parents c3e036a + eb54387 commit ea1e13f
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Showing 2 changed files with 10 additions and 4 deletions.
4 changes: 1 addition & 3 deletions compat/mingw.c
Original file line number Diff line number Diff line change
Expand Up @@ -3509,9 +3509,7 @@ int is_path_owned_by_current_sid(const char *path)
DACL_SECURITY_INFORMATION,
&sid, NULL, NULL, NULL, &descriptor);

if (err != ERROR_SUCCESS)
error(_("failed to get owner for '%s' (%ld)"), path, err);
else if (sid && IsValidSid(sid)) {
if (err == ERROR_SUCCESS && sid && IsValidSid(sid)) {
/* Now, verify that the SID matches the current user's */
static PSID current_user_sid;
BOOL is_member;
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10 changes: 9 additions & 1 deletion setup.c
Original file line number Diff line number Diff line change
Expand Up @@ -1374,9 +1374,17 @@ const char *setup_git_directory_gently(int *nongit_ok)
break;
case GIT_DIR_INVALID_OWNERSHIP:
if (!nongit_ok) {
struct strbuf prequoted = STRBUF_INIT;
struct strbuf quoted = STRBUF_INIT;

sq_quote_buf_pretty(&quoted, dir.buf);
#ifdef __MINGW32__
if (dir.buf[0] == '/')
strbuf_addstr(&prequoted, "%(prefix)/");
#endif

strbuf_add(&prequoted, dir.buf, dir.len);
sq_quote_buf_pretty(&quoted, prequoted.buf);

die(_("unsafe repository ('%s' is owned by someone else)\n"
"To add an exception for this directory, call:\n"
"\n"
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