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-rw-r--r--strbuf.c11
-rwxr-xr-xt/t0001-init.sh14
2 files changed, 25 insertions, 0 deletions
diff --git a/strbuf.c b/strbuf.c
index ace58e7367..00457940cf 100644
--- a/strbuf.c
+++ b/strbuf.c
@@ -449,6 +449,17 @@ int strbuf_getcwd(struct strbuf *sb)
strbuf_setlen(sb, strlen(sb->buf));
return 0;
}
+
+ /*
+ * If getcwd(3) is implemented as a syscall that falls
+ * back to a regular lookup using readdir(3) etc. then
+ * we may be able to avoid EACCES by providing enough
+ * space to the syscall as it's not necessarily bound
+ * to the same restrictions as the fallback.
+ */
+ if (errno == EACCES && guessed_len < PATH_MAX)
+ continue;
+
if (errno != ERANGE)
break;
}
diff --git a/t/t0001-init.sh b/t/t0001-init.sh
index e424de5363..c4814d248f 100755
--- a/t/t0001-init.sh
+++ b/t/t0001-init.sh
@@ -315,6 +315,20 @@ test_expect_success 'init with separate gitdir' '
test_path_is_dir realgitdir/refs
'
+test_expect_success 'init in long base path' '
+ # exceed initial buffer size of strbuf_getcwd()
+ component=123456789abcdef &&
+ test_when_finished "chmod 0700 $component; rm -rf $component" &&
+ p31=$component/$component &&
+ p127=$p31/$p31/$p31/$p31 &&
+ mkdir -p $p127 &&
+ chmod 0111 $component &&
+ (
+ cd $p127 &&
+ git init newdir
+ )
+'
+
test_expect_success 're-init on .git file' '
( cd newdir && git init )
'