From 70fadadf1fc7e1bd09c3d0f451614a678277409c Mon Sep 17 00:00:00 2001
From: Tavian Barnes <tavianator@tavianator.com>
Date: Mon, 1 Feb 2016 17:46:06 -0500
Subject: Add -gid and -uid support.

---
 bfs.h    |  3 +++
 eval.c   | 24 ++++++++++++++++++++++++
 parse.c  |  4 ++++
 tests.sh | 16 +++++++++++++++-
 4 files changed, 46 insertions(+), 1 deletion(-)

diff --git a/bfs.h b/bfs.h
index e4dffdd..a8efffb 100644
--- a/bfs.h
+++ b/bfs.h
@@ -125,6 +125,9 @@ bool eval_ctime(const expression *expr, eval_state *state);
 bool eval_mmin(const expression *expr, eval_state *state);
 bool eval_mtime(const expression *expr, eval_state *state);
 
+bool eval_gid(const expression *expr, eval_state *state);
+bool eval_uid(const expression *expr, eval_state *state);
+
 bool eval_empty(const expression *expr, eval_state *state);
 bool eval_hidden(const expression *expr, eval_state *state);
 bool eval_type(const expression *expr, eval_state *state);
diff --git a/eval.c b/eval.c
index 243546e..b042339 100644
--- a/eval.c
+++ b/eval.c
@@ -178,6 +178,30 @@ bool eval_mtime(const expression *expr, eval_state *state) {
 	return do_cmp(expr, to_days(diff));
 }
 
+/**
+ * -gid test.
+ */
+bool eval_gid(const expression *expr, eval_state *state) {
+	const struct stat *statbuf = fill_statbuf(state);
+	if (!statbuf) {
+		return false;
+	}
+
+	return do_cmp(expr, statbuf->st_gid);
+}
+
+/**
+ * -uid test.
+ */
+bool eval_uid(const expression *expr, eval_state *state) {
+	const struct stat *statbuf = fill_statbuf(state);
+	if (!statbuf) {
+		return false;
+	}
+
+	return do_cmp(expr, statbuf->st_uid);
+}
+
 /**
  * -delete action.
  */
diff --git a/parse.c b/parse.c
index 6983f16..d53a08b 100644
--- a/parse.c
+++ b/parse.c
@@ -409,6 +409,10 @@ static expression *parse_literal(parser_state *state) {
 		return new_test_idata(state, eval_access, X_OK);
 	} else if (strcmp(arg, "-false") == 0) {
 		return &expr_false;
+	} else if (strcmp(arg, "-gid") == 0) {
+		return parse_test_icmp(state, arg, eval_gid);
+	} else if (strcmp(arg, "-uid") == 0) {
+		return parse_test_icmp(state, arg, eval_uid);
 	} else if (strcmp(arg, "-hidden") == 0) {
 		return new_test(state, eval_hidden);
 	} else if (strcmp(arg, "-nohidden") == 0) {
diff --git a/tests.sh b/tests.sh
index bb24fe0..23a9aba 100755
--- a/tests.sh
+++ b/tests.sh
@@ -110,7 +110,21 @@ function test_0015() {
     find_diff "$1" -empty
 }
 
-for i in {1..15}; do
+function test_0016() {
+    basic_structure "$1"
+    find_diff "$1" -gid "$(id -g)" && \
+        find_diff "$1" -gid +0 && \
+        find_diff "$1" -gid -10000
+}
+
+function test_0017() {
+    basic_structure "$1"
+    find_diff "$1" -uid "$(id -u)" && \
+        find_diff "$1" -uid +0 && \
+        find_diff "$1" -uid -10000
+}
+
+for i in {1..17}; do
     dir="$(mktemp -d "${TMPDIR:-/tmp}"/bfs.XXXXXXXXXX)"
     test="test_$(printf '%04d' $i)"
     "$test" "$dir"
-- 
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