From dbd9fa39603fb4eb4fce87ac945be0871dc2b368 Mon Sep 17 00:00:00 2001
From: yggverse <yggverse@project>
Date: Wed, 12 Feb 2025 19:26:27 +0200
Subject: [PATCH] add custom index filename support

---
 README.md       |  6 +++---
 src/argument.rs |  6 +++---
 src/main.rs     | 10 +++++-----
 3 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/README.md b/README.md
index 0b43b2b..d63680e 100644
--- a/README.md
+++ b/README.md
@@ -20,7 +20,7 @@ cargo install pulsarss
 ## Launch
 
 ``` bash
-pulsarss --source https://path/to/feed.rss --index
+pulsarss --source https://path/to/feed.rss
 ```
 
 ### Options
@@ -28,7 +28,7 @@ pulsarss --source https://path/to/feed.rss --index
 * `source`, `s` - RSS feed source (required)
 * `target`, `t` - Destination directory (`public` by default)
 * `update`, `u` - Update timeout in seconds (`60` by default)
-* `index`, `i` - Generate `index.gmi` files (`false` by default)
+* `index`, `i` - Generate index files (`index.gmi` by default, empty to disable)
 * `limit`, `l` - Limit channel items (unlimited by default)
 * `output`, `o` - Print output (`dw` by default):
   * `d` - debug
@@ -49,7 +49,7 @@ After=network.target
 Type=simple
 User=pulsarss
 Group=pulsarss
-ExecStart=pulsarss -is https://path/to/feed.rss
+ExecStart=pulsarss -s https://path/to/feed.rss
 
 [Install]
 WantedBy=multi-user.target
diff --git a/src/argument.rs b/src/argument.rs
index 751ff93..e108270 100644
--- a/src/argument.rs
+++ b/src/argument.rs
@@ -3,9 +3,9 @@ use clap::Parser;
 #[derive(Parser, Debug)]
 #[command(version, about, long_about = None)]
 pub struct Argument {
-    /// Generate `index.gmi` files (`false` by default)
-    #[arg(short, long, default_value_t = false)]
-    pub index: bool,
+    /// Generate index files (`index.gmi` by default, empty to disable)
+    #[arg(short, long, default_value_t = String::from("index.gmi"))]
+    pub index: String,
 
     /// Limit channel items (unlimited by default)
     #[arg(short, long, default_value_t = 0)]
diff --git a/src/main.rs b/src/main.rs
index 893f05d..fea627a 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -94,14 +94,14 @@ fn crawl(argument: &Argument, output: &Output) -> Result<(), Box<dyn Error>> {
 
         File::create(destination.item())?.write_all(data.join("\n\n").as_bytes())?;
 
-        if argument.index {
-            index.insert(destination.path); // request `index.gmi` update
+        if !argument.index.is_empty() {
+            index.insert(destination.path); // request index file update
         }
     }
 
-    // renew pending `index.gmi` files on items crawl completed
+    // renew pending index files on items crawl completed
     for path in index {
-        let subject = format!("{path}index.gmi");
+        let subject = format!("{path}{}", argument.index);
 
         let mut index = File::create(&subject)?;
         let mut data = Vec::with_capacity(argument.limit);
@@ -110,7 +110,7 @@ fn crawl(argument: &Argument, output: &Output) -> Result<(), Box<dyn Error>> {
         for file in read_dir(&path)? {
             let name = file?.file_name().into_string().unwrap();
 
-            if name == "index.gmi" {
+            if name == argument.index {
                 continue;
             }