first sketch of parsing git remotes (from git :D)

One fine day we will have our own git config parsing, too ;)

Author: Byron

Cargo.lock

@@ -29,3 +29,7 @@ anyhow = "1.0.31"
 quick-error = "2.0.0"
 bytesize = "1.0.1"
 serde_json = { version = "1.0.56", optional = true }
+
+# for 'organize' functionality
+git-url = { version = "^0.1.1", path = "../git-url" }
+bstr = { version = "0.2.14", features = ["unicode"] }

gitoxide-core/Cargo.toml

@@ -16,3 +16,54 @@ impl Default for Mode {
 pub fn run(_mode: Mode, _source_dir: PathBuf, _destination: PathBuf, _progress: impl Progress) -> anyhow::Result<()> {
     Ok(())
 }
+
+mod parse {
+    use anyhow::{bail, Context};
+    use bstr::{BStr, ByteSlice};
+
+    fn verbose_remotes(input: &[u8]) -> anyhow::Result<Vec<(&BStr, git_url::Url)>> {
+        fn parse_line(line: &BStr) -> anyhow::Result<(&BStr, git_url::Url)> {
+            let mut tokens = line.splitn(2, |b| *b == b'\t');
+            Ok(match (tokens.next(), tokens.next(), tokens.next()) {
+                (Some(remote), Some(url_and_type), None) => {
+                    let mut tokens = url_and_type.splitn(2, |b| *b == b' ');
+                    match (tokens.next(), tokens.next(), tokens.next()) {
+                        (Some(url), Some(_type), None) => (remote.as_bstr(), git_url::parse(url)?),
+                        _ => bail!("None or more than one 'space' as separator"),
+                    }
+                }
+                _ => bail!("None or more than one tab as separator"),
+            })
+        }
+
+        let mut out = Vec::new();
+        for line in input.split(|b| *b == b'\n') {
+            let line = line.as_bstr();
+            if line.trim().len() == 0 {
+                continue;
+            }
+            out.push(
+                parse_line(line).with_context(|| format!("Line {:?} should be <origin>TAB<URL>SPACE<TYPE>", line))?,
+            );
+        }
+
+        Ok(out)
+    }
+
+    #[cfg(test)]
+    mod tests {
+        use super::*;
+        static GITOXIDE_REMOTES: &[u8] = br#"commitgraph	https://github.com/avoidscorn/gitoxide (fetch)
+commitgraph	https://github.com/avoidscorn/gitoxide (push)
+origin	https://github.com/Byron/gitoxide (fetch)
+origin	https://github.com/Byron/gitoxide (push)
+rad	rad://hynkuwzskprmswzeo4qdtku7grdrs4ffj3g9tjdxomgmjzhtzpqf81@hwd1yregyf1dudqwkx85x5ps3qsrqw3ihxpx3ieopq6ukuuq597p6m8161c.git (fetch)
+rad	rad://hynkuwzskprmswzeo4qdtku7grdrs4ffj3g9tjdxomgmjzhtzpqf81@hwd1yregyf1dudqwkx85x5ps3qsrqw3ihxpx3ieopq6ukuuq597p6m8161c.git (push)
+"#;
+        #[test]
+        fn valid_verbose_remotes() -> anyhow::Result<()> {
+            assert_eq!(verbose_remotes(GITOXIDE_REMOTES)?, vec![]);
+            Ok(())
+        }
+    }
+}