imag-link: Add option for directional linking

Signed-off-by: Matthias Beyer <mail@beyermatthias.de>

2 files changed, 15 insertions, 1 deletions

diff --git a/bin/core/imag-link/src/lib.rs b/bin/core/imag-link/src/lib.rs
index 1da4172a..9d4f6409 100644
--- a/bin/core/imag-link/src/lib.rs
+++ b/bin/core/imag-link/src/lib.rs
@@ -140,6 +140,7 @@ fn get_entry_by_name<'a>(rt: &'a Runtime, name: &str) -> Result<Option<FileLockE
 fn link_from_to<'a, I>(rt: &'a Runtime, from: &'a str, to: I) -> Result<()>
     where I: Iterator<Item = &'a str>
 {
+    let directional = rt.cli().is_present("directional");
     let mut from_entry = get_entry_by_name(rt, from)?.ok_or_else(|| err_msg("No 'from' entry"))?;
 
     for entry in to {
@@ -168,7 +169,11 @@ fn link_from_to<'a, I>(rt: &'a Runtime, from: &'a str, to: I) -> Result<()>
                 .get(entr_id)?
                 .ok_or_else(|| format_err!("No 'to' entry: {}", entry))?;
 
-            from_entry.add_link(&mut to_entry)?;
+            if directional {
+                from_entry.add_link_to(&mut to_entry)?;
+            } else {
+                from_entry.add_link(&mut to_entry)?;
+            }
 
             rt.report_touched(to_entry.get_location())?;
         }
diff --git a/bin/core/imag-link/src/ui.rs b/bin/core/imag-link/src/ui.rs
index 634a6092..cde5fefd 100644
--- a/bin/core/imag-link/src/ui.rs
+++ b/bin/core/imag-link/src/ui.rs
@@ -107,6 +107,15 @@ pub fn build_ui<'a>(app: App<'a, 'a>) -> App<'a, 'a> {
              .help("Link to this entries")
              .requires("from")
              .value_name("ENTRIES"))
+
+        .arg(Arg::with_name("directional")
+             .long("direction")
+             .takes_value(false)
+             .required(false)
+             .multiple(false)
+             .help("When creating links, make them directional")
+             .requires_all(&["from", "to"]))
+
 }
 
 /// PathProvider