Add clojure completions (#9272)

* Add clojure completions

* More ideomatic fish code

* Clojure completions in separate file

* Aboid use of psb using bb -e

* Return early when bb can not be found

* Remove superflous escape

* Another superflous escape

CHANGELOG.rst

@@ -96,6 +96,7 @@ Completions
   - ``kind`` (:issue:`9110`)
   - ``zig`` (:issue:`9083`)
   - ``sad``
+  - ``clojure``
 
 Improved terminal support
 ^^^^^^^^^^^^^^^^^^^^^^^^^

share/completions/clj.fish

@@ -0,0 +1,78 @@
+# ht Bob B@Clojurians Slack
+# https://raw.githubusercontent.com/bobisageek/bb-scripts/main/clj-alils.clj
+#
+# Babashka code for listing all aliases and tools available from the current context
+# based on :config-files from `clojure -Sdescribe`
+
+set -l bb_helper '
+(require \'[babashka.fs :as fs])
+
+(def config (->> (with-out-str (babashka.tasks/clojure "-Sdescribe"))
+                 clojure.edn/read-string))
+
+(defn configs []
+  (reverse (:config-files config)))
+
+(defn aliases-from-config [path]
+  (->> (clojure.edn/read-string (slurp path))
+       :aliases
+       keys
+       (map name)
+       sort))
+
+(defn installed-tools
+  []
+  (as-> config $
+    (:config-dir $)
+    (str $ "/tools/")
+    (fs/match $ "regex:.*\\\\.edn")
+    (map fs/file-name $)
+    (map #(fs/strip-ext % {:ext "edn"}) $)))
+
+(defn aliases []
+  (->> (configs)
+       (mapcat aliases-from-config)
+       dedupe))
+
+(run! println
+      (case (first *command-line-args*)
+        "tools" (installed-tools)
+        (aliases)))'
+
+function __fish_clj_aliases -V bb_helper
+    command -q bb ; or return
+    bb -e "$bb_helper"
+end
+
+function __fish_clj_tools -V bb_helper
+    command -q bb ; or return
+    bb -e "$bb_helper" tools
+end
+
+complete -c clj -s X -x -r -k -a "(__fish_complete_list : __fish_clj_aliases)" -d "Use concatenated aliases to modify classpath or supply exec fn/args"
+complete -c clj -s A -x -r -k -a "(__fish_complete_list : __fish_clj_aliases)" -d "Use concatenated aliases to modify classpath"
+complete -c clj -s M -x -r -k -a "(__fish_complete_list : __fish_clj_aliases)" -d "Use concatenated aliases to modify classpath or supply main opts"
+complete -c clj -s T -x -r -k -a "(__fish_complete_list : __fish_clj_tools)" -d "Invoke tool by name or via aliases ala -X"
+
+complete -c clj -f -o Sdeps -r -d "Deps data to use as the last deps file to be merged"
+complete -c clj -f -o Spath -d "Compute classpath and echo to stdout only"
+complete -c clj -f -o Spom -d "Generate (or update) pom.xml with deps and paths"
+complete -c clj -f -o Stree -d "Print dependency tree"
+complete -c clj -f -o Scp -r -d "Do NOT compute or cache classpath, use this one instead"
+complete -c clj -f -o Srepro -d "Ignore the ~/.clojure/deps.edn config file"
+complete -c clj -f -o Sforce -d "Force recomputation of the classpath (don't use the cache)"
+complete -c clj -f -o Sverbose -d "Print important path info to console"
+complete -c clj -f -o Sdescribe -d "Print environment and command parsing info as data"
+complete -c clj -f -o Sthreads -d "Set specific number of download threads"
+complete -c clj -f -o Strace -d "Write a trace.edn file that traces deps expansion"
+
+complete -c clj -k -f -s h -l help -d "Show help"
+complete -c clj -f -s P -d "Prepare deps - download libs, cache classpath, but don't exec"
+complete -c clj -s J -d "Pass opt through in java_opts, ex: -J-Xmx512m"
+complete -c clj -s i -l init -r -d "Load a file or resource"
+complete -c clj -f -s e -l eval -r -d "Eval exprs in string; print non-nil values"
+complete -c clj -f -l report -d "Report uncaught exception to \"file\" (default), \"stderr\", or \"none\""
+complete -c clj -f -o version -l version -d "Print the version to stdout and exit"
+complete -c clj -f -s m -l main -d "Call the -main function from namespace w/args"
+complete -c clj -f -s r -l repl -d "Run a repl"
+complete -c clj -r -d "Run a script from a file or resource"

share/completions/clojure.fish

@@ -0,0 +1 @@
+complete -c clojure --wraps clj