Introduce operating modes

Cargo.lock

@@ -2024,6 +2024,7 @@ dependencies = [
  "gitbutler-fs",
  "gitbutler-git",
  "gitbutler-id",
+ "gitbutler-operating-modes",
  "gitbutler-oplog",
  "gitbutler-project",
  "gitbutler-reference",
@@ -2188,6 +2189,16 @@ dependencies = [
  "walkdir",
 ]
 
+[[package]]
+name = "gitbutler-operating-modes"
+version = "0.0.0"
+dependencies = [
+ "anyhow",
+ "git2",
+ "gitbutler-command-context",
+ "serde",
+]
+
 [[package]]
 name = "gitbutler-oplog"
 version = "0.0.0"

Cargo.toml

@@ -28,13 +28,13 @@ members = [
     "crates/gitbutler-tagged-string",
     "crates/gitbutler-url",
     "crates/gitbutler-diff",
+    "crates/gitbutler-operating-modes",
 ]
 resolver = "2"
 
 [workspace.dependencies]
 # Add the `tracing` or `tracing-detail` features to see more of gitoxide in the logs. Useful to see which programs it invokes.
-gix = { version = "0.64", default-features = false, features = [
+gix = { version = "0.64", default-features = false, features = [] }
-] }
 git2 = { version = "0.18.3", features = [
     "vendored-openssl",
     "vendored-libgit2",
@@ -75,6 +75,7 @@ gitbutler-commit = { path = "crates/gitbutler-commit" }
 gitbutler-tagged-string = { path = "crates/gitbutler-tagged-string" }
 gitbutler-url = { path = "crates/gitbutler-url" }
 gitbutler-diff = { path = "crates/gitbutler-diff" }
+gitbutler-operating-modes = { path = "crates/gitbutler-operating-modes" }
 
 [profile.release]
 codegen-units = 1 # Compile crates one after another so the compiler can optimize better

crates/gitbutler-branch-actions/Cargo.toml

@@ -24,6 +24,7 @@ gitbutler-commit.workspace = true
 gitbutler-url.workspace = true
 gitbutler-fs.workspace = true
 gitbutler-diff.workspace = true
+gitbutler-operating-modes.workspace = true
 serde = { workspace = true, features = ["std"] }
 bstr = "1.9.1"
 diffy = "0.4.0"

crates/gitbutler-branch-actions/src/actions.rs

@@ -1,6 +1,7 @@
-use anyhow::Result;
+use anyhow::{Context, Result};
 use gitbutler_branch::{BranchCreateRequest, BranchId, BranchOwnershipClaims, BranchUpdateRequest};
 use gitbutler_command_context::CommandContext;
+use gitbutler_operating_modes::assure_open_workspace_mode;
 use gitbutler_oplog::{
     entry::{OperationKind, SnapshotDetails},
     OplogExt, SnapshotExt,
@@ -35,6 +36,8 @@ impl VirtualBranchActions {
         run_hooks: bool,
     ) -> Result<git2::Oid> {
         let ctx = open_with_verify(project)?;
+        assure_open_workspace_mode(&ctx)
+            .context("Creating a commit requires open workspace mode")?;
         let mut guard = project.exclusive_worktree_access();
         let snapshot_tree = ctx.project().prepare_snapshot(guard.read_permission());
         let result =
@@ -57,6 +60,8 @@ impl VirtualBranchActions {
         branch_name: &RemoteRefname,
     ) -> Result<bool> {
         let ctx = CommandContext::open(project)?;
+        assure_open_workspace_mode(&ctx)
+            .context("Testing branch mergability requires open workspace mode")?;
         branch::is_remote_branch_mergeable(&ctx, branch_name).map_err(Into::into)
     }
 
@@ -64,10 +69,12 @@ impl VirtualBranchActions {
         &self,
         project: &Project,
     ) -> Result<(Vec<branch::VirtualBranch>, Vec<gitbutler_diff::FileDiff>)> {
-        branch::list_virtual_branches(
+        let ctx = open_with_verify(project)?;
-            &open_with_verify(project)?,
+
-            project.exclusive_worktree_access().write_permission(),
+        assure_open_workspace_mode(&ctx)
-        )
+            .context("Listing virtual branches requires open workspace mode")?;
+
+        branch::list_virtual_branches(&ctx, project.exclusive_worktree_access().write_permission())
             .map_err(Into::into)
     }
 
@@ -77,6 +84,8 @@ impl VirtualBranchActions {
         create: &BranchCreateRequest,
     ) -> Result<BranchId> {
         let ctx = open_with_verify(project)?;
+        assure_open_workspace_mode(&ctx)
+            .context("Creating a branch requires open workspace mode")?;
         let mut guard = project.exclusive_worktree_access();
         let branch_manager = ctx.branch_manager();
         let branch_id = branch_manager
@@ -121,6 +130,8 @@ impl VirtualBranchActions {
 
     pub fn integrate_upstream_commits(&self, project: &Project, branch_id: BranchId) -> Result<()> {
         let ctx = open_with_verify(project)?;
+        assure_open_workspace_mode(&ctx)
+            .context("Integrating upstream commits requires open workspace mode")?;
         let mut guard = project.exclusive_worktree_access();
         let _ = ctx.project().create_snapshot(
             SnapshotDetails::new(OperationKind::MergeUpstream),
@@ -131,6 +142,8 @@ impl VirtualBranchActions {
 
     pub fn update_base_branch(&self, project: &Project) -> Result<Vec<ReferenceName>> {
         let ctx = open_with_verify(project)?;
+        assure_open_workspace_mode(&ctx)
+            .context("Updating base branch requires open workspace mode")?;
         let mut guard = project.exclusive_worktree_access();
         let _ = ctx.project().create_snapshot(
             SnapshotDetails::new(OperationKind::UpdateWorkspaceBase),
@@ -145,6 +158,8 @@ impl VirtualBranchActions {
         branch_update: BranchUpdateRequest,
     ) -> Result<()> {
         let ctx = open_with_verify(project)?;
+        assure_open_workspace_mode(&ctx)
+            .context("Updating a branch requires open workspace mode")?;
         let mut guard = project.exclusive_worktree_access();
         let snapshot_tree = ctx.project().prepare_snapshot(guard.read_permission());
         let old_branch = ctx
@@ -171,6 +186,8 @@ impl VirtualBranchActions {
         branch_updates: Vec<BranchUpdateRequest>,
     ) -> Result<()> {
         let ctx = open_with_verify(project)?;
+        assure_open_workspace_mode(&ctx)
+            .context("Updating branch order requires open workspace mode")?;
         for branch_update in branch_updates {
             let branch = ctx
                 .project()
@@ -185,6 +202,8 @@ impl VirtualBranchActions {
 
     pub fn delete_virtual_branch(&self, project: &Project, branch_id: BranchId) -> Result<()> {
         let ctx = open_with_verify(project)?;
+        assure_open_workspace_mode(&ctx)
+            .context("Deleting a branch order requires open workspace mode")?;
         let branch_manager = ctx.branch_manager();
         let mut guard = project.exclusive_worktree_access();
         branch_manager.delete_branch(branch_id, guard.write_permission())
@@ -196,6 +215,7 @@ impl VirtualBranchActions {
         ownership: &BranchOwnershipClaims,
     ) -> Result<()> {
         let ctx = open_with_verify(project)?;
+        assure_open_workspace_mode(&ctx).context("Unapply a patch requires open workspace mode")?;
         let mut guard = project.exclusive_worktree_access();
         let _ = ctx.project().create_snapshot(
             SnapshotDetails::new(OperationKind::DiscardHunk),
@@ -206,6 +226,8 @@ impl VirtualBranchActions {
 
     pub fn reset_files(&self, project: &Project, files: &Vec<String>) -> Result<()> {
         let ctx = open_with_verify(project)?;
+        assure_open_workspace_mode(&ctx)
+            .context("Resetting a file requires open workspace mode")?;
         let mut guard = project.exclusive_worktree_access();
         let _ = ctx.project().create_snapshot(
             SnapshotDetails::new(OperationKind::DiscardFile),
@@ -222,6 +244,8 @@ impl VirtualBranchActions {
         ownership: &BranchOwnershipClaims,
     ) -> Result<git2::Oid> {
         let ctx = open_with_verify(project)?;
+        assure_open_workspace_mode(&ctx)
+            .context("Amending a commit requires open workspace mode")?;
         let mut guard = project.exclusive_worktree_access();
         let _ = ctx.project().create_snapshot(
             SnapshotDetails::new(OperationKind::AmendCommit),
@@ -239,6 +263,8 @@ impl VirtualBranchActions {
         ownership: &BranchOwnershipClaims,
     ) -> Result<git2::Oid> {
         let ctx = open_with_verify(project)?;
+        assure_open_workspace_mode(&ctx)
+            .context("Amending a commit requires open workspace mode")?;
         let mut guard = project.exclusive_worktree_access();
         let _ = ctx.project().create_snapshot(
             SnapshotDetails::new(OperationKind::MoveCommitFile),
@@ -255,6 +281,8 @@ impl VirtualBranchActions {
         commit_oid: git2::Oid,
     ) -> Result<()> {
         let ctx = open_with_verify(project)?;
+        assure_open_workspace_mode(&ctx)
+            .context("Undoing a commit requires open workspace mode")?;
         let mut guard = project.exclusive_worktree_access();
         let snapshot_tree = ctx.project().prepare_snapshot(guard.read_permission());
         let result: Result<()> =
@@ -278,6 +306,8 @@ impl VirtualBranchActions {
         offset: i32,
     ) -> Result<()> {
         let ctx = open_with_verify(project)?;
+        assure_open_workspace_mode(&ctx)
+            .context("Inserting a blank commit requires open workspace mode")?;
         let mut guard = project.exclusive_worktree_access();
         let _ = ctx.project().create_snapshot(
             SnapshotDetails::new(OperationKind::InsertBlankCommit),
@@ -294,6 +324,8 @@ impl VirtualBranchActions {
         offset: i32,
     ) -> Result<()> {
         let ctx = open_with_verify(project)?;
+        assure_open_workspace_mode(&ctx)
+            .context("Reordering a commit requires open workspace mode")?;
         let mut guard = project.exclusive_worktree_access();
         let _ = ctx.project().create_snapshot(
             SnapshotDetails::new(OperationKind::ReorderCommit),
@@ -309,6 +341,8 @@ impl VirtualBranchActions {
         target_commit_oid: git2::Oid,
     ) -> Result<()> {
         let ctx = open_with_verify(project)?;
+        assure_open_workspace_mode(&ctx)
+            .context("Resetting a branch requires open workspace mode")?;
         let mut guard = project.exclusive_worktree_access();
         let _ = ctx.project().create_snapshot(
             SnapshotDetails::new(OperationKind::UndoCommit),
@@ -323,6 +357,8 @@ impl VirtualBranchActions {
         branch_id: BranchId,
     ) -> Result<ReferenceName> {
         let ctx = open_with_verify(project)?;
+        assure_open_workspace_mode(&ctx)
+            .context("Converting branch to a real branch requires open workspace mode")?;
         let mut guard = project.exclusive_worktree_access();
         let snapshot_tree = ctx.project().prepare_snapshot(guard.read_permission());
         let branch_manager = ctx.branch_manager();
@@ -348,6 +384,8 @@ impl VirtualBranchActions {
     ) -> Result<()> {
         let helper = Helper::default();
         let ctx = open_with_verify(project)?;
+        assure_open_workspace_mode(&ctx)
+            .context("Pushing a branch requires open workspace mode")?;
         branch::push(&ctx, branch_id, with_force, &helper, askpass)
     }
 
@@ -372,6 +410,8 @@ impl VirtualBranchActions {
         commit_oid: git2::Oid,
     ) -> Result<()> {
         let ctx = open_with_verify(project)?;
+        assure_open_workspace_mode(&ctx)
+            .context("Squashing a commit requires open workspace mode")?;
         let mut guard = project.exclusive_worktree_access();
         let _ = ctx.project().create_snapshot(
             SnapshotDetails::new(OperationKind::SquashCommit),
@@ -388,6 +428,8 @@ impl VirtualBranchActions {
         message: &str,
     ) -> Result<()> {
         let ctx = open_with_verify(project)?;
+        assure_open_workspace_mode(&ctx)
+            .context("Updating a commit message requires open workspace mode")?;
         let mut guard = project.exclusive_worktree_access();
         let _ = ctx.project().create_snapshot(
             SnapshotDetails::new(OperationKind::UpdateCommitMessage),
@@ -434,6 +476,7 @@ impl VirtualBranchActions {
         commit_oid: git2::Oid,
     ) -> Result<()> {
         let ctx = open_with_verify(project)?;
+        assure_open_workspace_mode(&ctx).context("Moving a commit requires open workspace mode")?;
         let mut guard = project.exclusive_worktree_access();
         let _ = ctx.project().create_snapshot(
             SnapshotDetails::new(OperationKind::MoveCommit),
@@ -449,6 +492,8 @@ impl VirtualBranchActions {
         remote: Option<RemoteRefname>,
     ) -> Result<BranchId> {
         let ctx = open_with_verify(project)?;
+        assure_open_workspace_mode(&ctx)
+            .context("Creating a virtual branch from a branch open workspace mode")?;
         let branch_manager = ctx.branch_manager();
         let mut guard = project.exclusive_worktree_access();
         branch_manager

crates/gitbutler-branch-actions/src/status.rs

@@ -6,6 +6,7 @@ use gitbutler_branch::{
 };
 use gitbutler_command_context::CommandContext;
 use gitbutler_diff::{diff_files_into_hunks, GitHunk, Hunk, HunkHash};
+use gitbutler_operating_modes::assure_open_workspace_mode;
 use gitbutler_project::access::WorktreeWritePermission;
 use gitbutler_repo::RepositoryExt;
 
@@ -32,6 +33,8 @@ pub fn get_applied_status(
     ctx: &CommandContext,
     perm: Option<&mut WorktreeWritePermission>,
 ) -> Result<VirtualBranchesStatus> {
+    assure_open_workspace_mode(ctx)
+        .context("Getting applied status requires open workspace mode")?;
     let integration_commit = get_workspace_head(ctx)?;
     let mut virtual_branches = ctx
         .project()

crates/gitbutler-branch-actions/src/virtual.rs

@@ -16,6 +16,7 @@ use gitbutler_command_context::CommandContext;
 use gitbutler_commit::{commit_ext::CommitExt, commit_headers::HasCommitHeaders};
 use gitbutler_diff::{trees, GitHunk, Hunk};
 use gitbutler_error::error::{Code, Marker};
+use gitbutler_operating_modes::assure_open_workspace_mode;
 use gitbutler_project::access::WorktreeWritePermission;
 use gitbutler_reference::{normalize_branch_name, Refname, RemoteRefname};
 use gitbutler_repo::{
@@ -258,6 +259,8 @@ pub fn list_virtual_branches(
     //           that conditionally write things.
     perm: &mut WorktreeWritePermission,
 ) -> Result<(Vec<VirtualBranch>, Vec<gitbutler_diff::FileDiff>)> {
+    assure_open_workspace_mode(ctx)
+        .context("Listing virtual branches requires open workspace mode")?;
     let mut branches: Vec<VirtualBranch> = Vec::new();
 
     let vb_state = ctx.project().virtual_branches();

crates/gitbutler-operating-modes/Cargo.toml

@@ -0,0 +1,12 @@
+[package]
+name = "gitbutler-operating-modes"
+version = "0.0.0"
+edition = "2021"
+authors = ["GitButler <gitbutler@gitbutler.com>"]
+publish = false
+
+[dependencies]
+serde = { workspace = true, features = ["std"] }
+git2.workspace = true
+anyhow.workspace = true
+gitbutler-command-context.workspace = true

crates/gitbutler-operating-modes/src/lib.rs

@@ -0,0 +1,38 @@
+use anyhow::{bail, Context, Result};
+use gitbutler_command_context::CommandContext;
+
+/// Operating Modes:
+/// Gitbutler currently has two main operating modes:
+/// - `in workspace mode`: When the app is on the gitbutler/integration branch.
+///     This is when normal operations can be performed.
+/// - `outside workspace mode`: When the user has left the gitbutler/integration
+///     branch to perform regular git commands.
+
+const INTEGRATION_BRANCH_REF: &str = "refs/heads/gitbutler/integration";
+
+pub fn in_open_workspace_mode(ctx: &CommandContext) -> Result<bool> {
+    let head_ref = ctx.repository().head().context("failed to get head")?;
+    let head_ref_name = head_ref.name().context("failed to get head name")?;
+
+    Ok(head_ref_name == INTEGRATION_BRANCH_REF)
+}
+
+pub fn assure_open_workspace_mode(ctx: &CommandContext) -> Result<()> {
+    if in_open_workspace_mode(ctx)? {
+        Ok(())
+    } else {
+        bail!("Unexpected state: cannot perform operation on non-integration branch")
+    }
+}
+
+pub fn in_outside_workspace_mode(ctx: &CommandContext) -> Result<bool> {
+    in_open_workspace_mode(ctx).map(|open_mode| !open_mode)
+}
+
+pub fn assure_outside_workspace_mode(ctx: &CommandContext) -> Result<()> {
+    if in_open_workspace_mode(ctx)? {
+        Ok(())
+    } else {
+        bail!("Unexpected state: cannot perform operation on non-integration branch")
+    }
+}