fix: support wally dependency patching

src/cli/commands/patch.rs

@@ -45,8 +45,6 @@ impl PatchCommand {
             .write_to(&directory, project.cas_dir(), false)
             .context("failed to write package contents")?;
 
-        // TODO: if MANIFEST_FILE_NAME does not exist, try to convert it
-
         setup_patches_repo(&directory)?;
 
         println!(

src/cli/commands/patch_commit.rs

@@ -1,10 +1,7 @@
 use crate::cli::IsUpToDate;
 use anyhow::Context;
 use clap::Args;
-use pesde::{
-    manifest::Manifest, names::PackageNames, patches::create_patch, source::version_id::VersionId,
-    Project, MANIFEST_FILE_NAME,
-};
+use pesde::{names::PackageNames, patches::create_patch, source::version_id::VersionId, Project};
 use std::{path::PathBuf, str::FromStr};
 
 #[derive(Debug, Args)]
@@ -22,17 +19,28 @@ impl PatchCommitCommand {
             anyhow::bail!("outdated lockfile, please run the install command first")
         };
 
-        let (name, version_id) = {
-            let patched_manifest = std::fs::read_to_string(self.directory.join(MANIFEST_FILE_NAME))
-                .context("failed to read patched manifest")?;
-            let patched_manifest: Manifest =
-                toml::from_str(&patched_manifest).context("failed to parse patched manifest")?;
-
-            (
-                PackageNames::Pesde(patched_manifest.name),
-                VersionId::new(patched_manifest.version, patched_manifest.target.kind()),
-            )
-        };
+        let (name, version_id) = (
+            PackageNames::from_escaped(
+                self.directory
+                    .parent()
+                    .context("directory has no parent")?
+                    .parent()
+                    .context("directory has no grandparent")?
+                    .file_name()
+                    .context("directory grandparent has no name")?
+                    .to_str()
+                    .context("directory grandparent name is not valid")?,
+            )?,
+            VersionId::from_escaped(
+                self.directory
+                    .parent()
+                    .context("directory has no parent")?
+                    .file_name()
+                    .context("directory parent has no name")?
+                    .to_str()
+                    .context("directory parent name is not valid")?,
+            )?,
+        );
 
         graph
             .get(&name)

src/names.rs

@@ -104,6 +104,11 @@ impl PackageNames {
             PackageNames::Wally(name) => name.escaped(),
         }
     }
+
+    /// The reverse of `escaped`
+    pub fn from_escaped(s: &str) -> Result<Self, errors::PackageNamesError> {
+        PackageNames::from_str(s.replacen('+', "/", 1).as_str())
+    }
 }
 
 impl Display for PackageNames {

src/source/version_id.rs

@@ -29,6 +29,11 @@ impl VersionId {
     pub fn escaped(&self) -> String {
         format!("{}+{}", self.0, self.1)
     }
+
+    /// The reverse of `escaped`
+    pub fn from_escaped(s: &str) -> Result<Self, errors::VersionIdParseError> {
+        VersionId::from_str(s.replacen('+', " ", 1).as_str())
+    }
 }
 
 impl Display for VersionId {