Add geometry_jj for jujutsu

Author: jedahan

functions/geometry_jj

@@ -0,0 +1,8 @@
+# geometry_jj - display current jujutsu status
+
+geometry_jj () {
+  (( $+commands[jj] )) || return 1
+  jj log --quiet --no-pager --no-graph --ignore-working-copy --revisions @ --color never --template \
+    ${GEOMETRY_JJ_TEMPLATE:-'"%F{5}" ++ change_id.shortest() ++ "%F{4}" ++ commit_id.shortest() ++ "%f% "'} \
+    2> /dev/null
+}

geometry.zsh

@@ -7,7 +7,7 @@
 typeset -gA GEOMETRY; GEOMETRY[ROOT]=${0:A:h}
 
 (($+GEOMETRY_PROMPT)) || GEOMETRY_PROMPT=(geometry_echo geometry_status geometry_path)
-(($+GEOMETRY_RPROMPT)) || GEOMETRY_RPROMPT=(geometry_exec_time geometry_git geometry_hg geometry_echo)
+(($+GEOMETRY_RPROMPT)) || GEOMETRY_RPROMPT=(geometry_exec_time geometry_git geometry_hg geometry_jj geometry_echo)
 (($+GEOMETRY_INFO)) || GEOMETRY_INFO=()
 (($+GEOMETRY_TITLE)) || GEOMETRY_TITLE=(geometry_path)
 (($+GEOMETRY_CMDTITLE)) || GEOMETRY_CMDTITLE=(geometry_cmd geometry_hostname)

readme.md

@@ -120,6 +120,13 @@ GEOMETRY_GIT_TIME_DETAILED=true     # show full time (e.g. `12h 30m 53s`) instea
 
 ![picture of git features](./images/screenshots/git.png)
 
+### geometry_jj
+You can customize the template using [jj template language](https://jj-vcs.github.io/jj/latest/templates/)
+
+```shell
+GEOMETRY_JJ_TEMPLATE='"%F{5}" ++ change_id.shortest() ++ "%F{4}" ++ commit_id.shortest() ++ "%f% "'
+```
+
 ## Hostname based colors
 Geometry provides a generic function (`geometry::hostcolor`) for setting any color based on hostname. The color is calculated as the sum of each character converted to an integer. For example the hostname 'abc' generates a value of 294.