starship: add jj

starship/.config/starship.toml

@@ -3,3 +3,72 @@
 
 # Inserts a blank line between shell prompts
 add_newline = false
+
+[custom.jj]
+description = "The current jj status"
+when = "jj --ignore-working-copy root"
+symbol = "🥋 "
+command = '''
+jj log --revisions @ --no-graph --ignore-working-copy --color always --limit 1 --template '
+  separate(" ",
+    change_id.shortest(4),
+    bookmarks,
+    "|",
+    concat(
+      if(conflict, "💥"),
+      if(divergent, "🚧"),
+      if(hidden, "👻"),
+      if(immutable, "🔒"),
+    ),
+    raw_escape_sequence("\x1b[1;32m") ++ if(empty, "(empty)"),
+    raw_escape_sequence("\x1b[1;32m") ++ coalesce(
+      truncate_end(29, description.first_line(), "…"),
+      "(no description set)",
+    ) ++ raw_escape_sequence("\x1b[0m"),
+  )
+'
+'''
+
+# optionally disable git modules when JJ is found.
+# note that you'll need to add ${custom.git_branch}, ${custom.git_commit} etc
+# into format: https://starship.rs/config/#default-prompt-format
+[git_status]
+disabled = true
+
+[custom.git_status]
+when = "! jj --ignore-working-copy root" # Slow without `require_repo = true`
+require_repo = true # Avoids `when` eval overhead in plain dirs
+command = "starship module git_status"
+style = "" # This disables the default "(bold green)" style
+description = "Only show git_status if we're not in a jj repo"
+
+[git_commit]
+disabled = true
+
+[custom.git_commit]
+when = "! jj --ignore-working-copy root"
+require_repo = true
+command = "starship module git_commit"
+style = ""
+description = "Only show git_commit if we're not in a jj repo"
+
+
+[git_metrics]
+disabled = true
+
+[custom.git_metrics]
+when = "! jj --ignore-working-copy root"
+require_repo = true
+command = "starship module git_metrics"
+description = "Only show git_metrics if we're not in a jj repo"
+style = ""
+
+[git_branch]
+disabled = true
+
+[custom.git_branch]
+when = "! jj --ignore-working-copy root"
+require_repo = true
+command = "starship module git_branch"
+description = "Only show git_branch if we're not in a jj repo"
+style = ""