rustpkg: Implement URL-like package IDs

src/librustpkg/conditions.rs

@@ -28,3 +28,7 @@ condition! {
 condition! {
     missing_pkg_files: (super::PkgId) -> ();
 }
+
+condition! {
+    bad_pkg_id: (super::Path, ~str) -> ::util::PkgId;
+}

src/librustpkg/path_util.rs

@@ -10,12 +10,10 @@
 
 // rustpkg utilities having to do with paths and directories
 
-use util::PkgId;
+pub use util::{PkgId, RemotePath, LocalPath};
 use core::libc::consts::os::posix88::{S_IRUSR, S_IWUSR, S_IXUSR};
 use core::os::mkdir_recursive;
-
-#[deriving(Eq)]
-pub enum OutputType { Main, Lib, Bench, Test }
+pub use util::{normalize, OutputType, Main, Lib, Bench, Test};
 
 /// Returns the value of RUST_PATH, as a list
 /// of Paths. In general this should be read from the
@@ -31,67 +29,73 @@ pub static u_rwx: i32 = (S_IRUSR | S_IWUSR | S_IXUSR) as i32;
 /// succeeded.
 pub fn make_dir_rwx(p: &Path) -> bool { os::make_dir(p, u_rwx) }
 
-/// Replace all occurrences of '-' in the stem part of path with '_'
-/// This is because we treat rust-foo-bar-quux and rust_foo_bar_quux
-/// as the same name
-pub fn normalize(p: ~Path) -> ~Path {
-    match p.filestem() {
-        None => p,
-        Some(st) => {
-            let replaced = str::replace(st, "-", "_");
-            if replaced != st {
-                ~p.with_filestem(replaced)
-            }
-            else {
-                p
-            }
-        }
-    }
-}
-
 // n.b. So far this only handles local workspaces
 // n.b. The next three functions ignore the package version right
 // now. Should fix that.
 
 /// True if there's a directory in <workspace> with
 /// pkgid's short name
 pub fn workspace_contains_package_id(pkgid: &PkgId, workspace: &Path) -> bool {
-    let pkgpath = workspace.push("src").push(pkgid.path.to_str());
+    let pkgpath = workspace.push("src").push(pkgid.local_path.to_str());
     os::path_is_dir(&pkgpath)
 }
 
 /// Return the directory for <pkgid>'s source files in <workspace>.
 /// Doesn't check that it exists.
 pub fn pkgid_src_in_workspace(pkgid: &PkgId, workspace: &Path) -> Path {
     let result = workspace.push("src");
-    result.push(pkgid.path.to_str())
+    result.push(pkgid.local_path.to_str())
 }
 
 /// Figure out what the executable name for <pkgid> in <workspace>'s build
 /// directory is, and if the file exists, return it.
 pub fn built_executable_in_workspace(pkgid: &PkgId, workspace: &Path) -> Option<Path> {
     let mut result = workspace.push("build");
-    result = result.push_rel(&pkgid.path);
     // should use a target-specific subdirectory
-    result = mk_output_path(Main, fmt!("%s-%s", pkgid.path.to_str(), pkgid.version.to_str()),
-                                       result);
+    result = mk_output_path(Main, pkgid, &result);
     debug!("built_executable_in_workspace: checking whether %s exists",
            result.to_str());
     if os::path_exists(&result) {
         Some(result)
     }
     else {
+        // This is not an error, but it's worth logging it
+        error!(fmt!("built_executable_in_workspace: %s does not exist", result.to_str()));
         None
     }
 }
 
-/// Figure out what the library name for <pkgid> in <workspace>'s build
+/// Figure out what the test name for <pkgid> in <workspace>'s build
 /// directory is, and if the file exists, return it.
-pub fn built_library_in_workspace(pkgid: &PkgId, workspace: &Path) -> Option<Path> {
+pub fn built_test_in_workspace(pkgid: &PkgId, workspace: &Path) -> Option<Path> {
+    output_in_workspace(pkgid, workspace, Test)
+}
+
+/// Figure out what the test name for <pkgid> in <workspace>'s build
+/// directory is, and if the file exists, return it.
+pub fn built_bench_in_workspace(pkgid: &PkgId, workspace: &Path) -> Option<Path> {
+    output_in_workspace(pkgid, workspace, Bench)
+}
+
+fn output_in_workspace(pkgid: &PkgId, workspace: &Path, what: OutputType) -> Option<Path> {
     let mut result = workspace.push("build");
-    result = result.push_rel(&pkgid.path);
     // should use a target-specific subdirectory
-    result = mk_output_path(Lib, pkgid.path.to_str(), result);
+    result = mk_output_path(what, pkgid, &result);
+    debug!("output_in_workspace: checking whether %s exists",
+           result.to_str());
+    if os::path_exists(&result) {
+        Some(result)
+    }
+    else {
+        error!(fmt!("output_in_workspace: %s does not exist", result.to_str()));
+        None
+    }
+}
+
+/// Figure out what the library name for <pkgid> in <workspace>'s build
+/// directory is, and if the file exists, return it.
+pub fn built_library_in_workspace(pkgid: &PkgId, workspace: &Path) -> Option<Path> {
+    let result = mk_output_path(Lib, pkgid, &workspace.push("build"));
     debug!("built_library_in_workspace: checking whether %s exists",
            result.to_str());
 
@@ -100,8 +104,7 @@ pub fn built_library_in_workspace(pkgid: &PkgId, workspace: &Path) -> Option<Pat
     let dir_contents = os::list_dir(&result.pop());
     debug!("dir has %? entries", dir_contents.len());
 
-    // n.b. This code assumes the pkgid's path only has one element
-    let lib_prefix = fmt!("%s%s", os::consts::DLL_PREFIX, pkgid.path.to_str());
+    let lib_prefix = fmt!("%s%s", os::consts::DLL_PREFIX, pkgid.short_name);
     let lib_filetype = fmt!("%s%s", pkgid.version.to_str(), os::consts::DLL_SUFFIX);
 
     debug!("lib_prefix = %s and lib_filetype = %s", lib_prefix, lib_filetype);
@@ -173,12 +176,14 @@ pub fn target_library_in_workspace(pkgid: &PkgId, workspace: &Path) -> Path {
 
 /// Returns the test executable that would be installed for <pkgid>
 /// in <workspace>
+/// note that we *don't* install test executables, so this is just for unit testing
 pub fn target_test_in_workspace(pkgid: &PkgId, workspace: &Path) -> Path {
     target_file_in_workspace(pkgid, workspace, Test)
 }
 
 /// Returns the bench executable that would be installed for <pkgid>
 /// in <workspace>
+/// note that we *don't* install bench executables, so this is just for unit testing
 pub fn target_bench_in_workspace(pkgid: &PkgId, workspace: &Path) -> Path {
     target_file_in_workspace(pkgid, workspace, Bench)
 }
@@ -187,18 +192,14 @@ fn target_file_in_workspace(pkgid: &PkgId, workspace: &Path,
                             what: OutputType) -> Path {
     use conditions::bad_path::cond;
 
-    let (subdir, create_dir) = match what {
-        Main => ("bin", true), Lib => ("lib", true), Test | Bench => ("build", false)
+    let subdir = match what {
+        Lib => "lib", Main | Test | Bench => "bin"
     };
     let result = workspace.push(subdir);
-    if create_dir {
-        if !os::path_exists(&result) && !mkdir_recursive(&result, u_rwx) {
-            cond.raise((copy result,
-                        fmt!("I couldn't create the %s dir", subdir)));
-        }
+    if !os::path_exists(&result) && !mkdir_recursive(&result, u_rwx) {
+        cond.raise((copy result, fmt!("I couldn't create the %s dir", subdir)));
     }
-    mk_output_path(what, pkgid.path.to_str(), result)
-
+    mk_output_path(what, pkgid, &result)
 }
 
 /// Return the directory for <pkgid>'s build artifacts in <workspace>.
@@ -209,7 +210,7 @@ pub fn build_pkg_id_in_workspace(pkgid: &PkgId, workspace: &Path) -> Path {
     let mut result = workspace.push("build");
     // n.b. Should actually use a target-specific
     // subdirectory of build/
-    result = result.push(normalize(~copy pkgid.path).to_str());
+    result = result.push_rel(&*pkgid.local_path);
     if os::path_exists(&result) || os::mkdir_recursive(&result, u_rwx) {
         result
     }
@@ -220,15 +221,26 @@ pub fn build_pkg_id_in_workspace(pkgid: &PkgId, workspace: &Path) -> Path {
 
 /// Return the output file for a given directory name,
 /// given whether we're building a library and whether we're building tests
-pub fn mk_output_path(what: OutputType, short_name: ~str, dir: Path) -> Path {
-    match what {
-        Lib => dir.push(os::dll_filename(short_name)),
-        _ => dir.push(fmt!("%s%s%s", short_name,
+pub fn mk_output_path(what: OutputType, pkg_id: &PkgId, workspace: &Path) -> Path {
+    let short_name_with_version = pkg_id.short_name_with_version();
+    // Not local_path.dir_path()! For package foo/bar/blat/, we want
+    // the executable blat-0.5 to live under blat/
+    let dir = workspace.push_rel(&*pkg_id.local_path);
+    debug!("mk_output_path: short_name = %s, path = %s",
+           if what == Lib { copy short_name_with_version } else { copy pkg_id.short_name },
+           dir.to_str());
+    let output_path = match what {
+        // this code is duplicated from elsewhere; fix this
+        Lib => dir.push(os::dll_filename(short_name_with_version)),
+        // executable names *aren't* versioned
+        _ => dir.push(fmt!("%s%s%s", copy pkg_id.short_name,
                            match what {
                                Test => "test",
                                Bench => "bench",
                                _     => ""
                            }
                            os::EXE_SUFFIX))
-    }
+    };
+    debug!("mk_output_path: returning %s", output_path.to_str());
+    output_path
 }