Add support for docker images

README.md

@@ -21,6 +21,7 @@ letter hint to yank the text in your tmux buffer.
 - Hex numbers
 - Markdown urls
 - IP4 addresses
+- Docker images
 - kubernetes resources
 - UUIDs
 

samples/test1

@@ -35,3 +35,9 @@ home: ~/.gnu/.config.txt
 10.3.23.42 lorem 123.2.3.4 lorem 230.23.33.34
 10.3.23.42 lorem 123.2.3.4 lorem 230.23.33.34
 10.3.23.42 lorem 123.2.3.4 lorem 230.23.33.34
+
+REPOSITORY                    TAG                 IMAGE ID                                                                  CREATED             SIZE
+<none>                        <none>              sha256:77af4d6b9913e693e8d0b4b294fa62ade6054e6b2f1ffb617ac955dd63fb0182   19 hours ago        1.089 GB
+committest                    latest              sha256:b6fa739cedf5ea12a620a439402b6004d057da800f91c7524b5086a5e4749c9f   19 hours ago        1.089 GB
+<none>                        <none>              sha256:78a85c484f71509adeaace20e72e941f6bdd2b25b4c75da8693efd9f61a37921   19 hours ago        1.089 GB
+docker                        latest              sha256:30557a29d5abc51e5f1d5b472e79b7e296f595abcf19fe6b9199dbbc809c6ff4   20 hours ago        1.089 GB

src/state.rs

@@ -4,11 +4,12 @@ use std::fmt;
 
 const EXCLUDE_PATTERNS: [(&'static str, &'static str); 1] = [("bash", r"[[:cntrl:]]\[([0-9]{1,2};)?([0-9]{1,2})?m")];
 
-const PATTERNS: [(&'static str, &'static str); 13] = [
+const PATTERNS: [(&'static str, &'static str); 14] = [
   ("markdown_url", r"\[[^]]*\]\(([^)]+)\)"),
   ("url", r"((https?://|git@|git://|ssh://|ftp://|file:///)[^ ]+)"),
   ("diff_a", r"--- a/([^ ]+)"),
   ("diff_b", r"\+\+\+ b/([^ ]+)"),
+  ("docker", r"sha256:([0-9a-f]{64})"),
   ("path", r"(([.\w\-@~]+)?(/[.\w\-@]+)+)"),
   ("color", r"#[0-9a-fA-F]{6}"),
   ("uid", r"[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}"),
@@ -200,6 +201,19 @@ mod tests {
     assert_eq!(results.last().unwrap().hint.clone().unwrap(), "a");
   }
 
+  #[test]
+  fn match_docker() {
+    let lines = split("latest sha256:30557a29d5abc51e5f1d5b472e79b7e296f595abcf19fe6b9199dbbc809c6ff4 20 hours ago");
+    let custom = [].to_vec();
+    let results = State::new(&lines, "abcd", &custom).matches(false, false);
+
+    assert_eq!(results.len(), 1);
+    assert_eq!(
+      results.get(0).unwrap().text,
+      "30557a29d5abc51e5f1d5b472e79b7e296f595abcf19fe6b9199dbbc809c6ff4"
+    );
+  }
+
   #[test]
   fn match_bash() {
     let lines = split("path: /var/log/nginx.log\npath: test/log/nginx-2.log:32folder/.nginx@4df2.log");