Project boards: only show contexts with selected issues.

src/pit/cliconstants.nim

@@ -1,4 +1,4 @@
-const PIT_VERSION* = "4.30.0"
+const PIT_VERSION* = "4.30.1"
 
 const USAGE* = """Usage:
   pit ( new | add) <summary> [<state>] [options]
@@ -235,4 +235,4 @@ Issue Properties:
 
       If present, expected to be a comma-delimited list of text tags. The -g
       option is a short-hand for '-p tags:<tags-value>'.
-"""
+"""

src/pit/projects.nim

@@ -1,5 +1,5 @@
-import std/[algorithm, json, jsonutils, options, os, sets, strutils, tables, terminal,
-            times, unicode, wordwrap]
+import std/[algorithm, json, jsonutils, options, os, sets, strutils, tables,
+            terminal, times, unicode, wordwrap]
 from std/sequtils import repeat, toSeq
 import cliutils, uuids, zero_functional
 import ./[formatting, libpit]
@@ -256,8 +256,7 @@ proc formatMilestone*(
   result.add(withColor("─".repeat(availWidth), fgWhite))
 
   var parentsToChildren = issues -->
-    filter(it.hasProp("parent")) -->
-    group(it["parent"])
+    filter(it.hasProp("parent")).group(it["parent"])
 
   var issuesToFormat = sorted(issues, cmp) -->
     filter(not it.hasProp("parent"))
@@ -282,7 +281,7 @@ proc findShortestColumn(columns: seq[seq[string]]): int =
 
 
 proc joinColumns(columns: seq[seq[string]], columnWidth: int): seq[string] =
-  let maxLines = columns --> map(it.len) --> max()
+  let maxLines = columns --> map(it.len).max()
 
   for lineNo in 0 ..< maxLines:
     var newLine = ""
@@ -316,7 +315,7 @@ proc showProject*(ctx: CliContext, project: Project) =
     fgBlue, bold=true))
 
   let milestoneTexts: seq[seq[string]] = project.milestoneOrder -->
-    filter(project.milestones.hasKey(it) and project.milestones[it].len > 0) -->
+    filter(project.milestones.hasKey(it) and project.milestones[it].len > 0).
     map(ctx.formatMilestone(it, project.milestones[it], columnWidth))
 
   var columns: seq[seq[string]] = repeat(newSeq[string](), numColumns)
@@ -347,8 +346,16 @@ proc showProjectBoard*(ctx: CliContext, filter = none[IssueFilter]()) =
   let projectsCfg = ctx.loadProjectsConfiguration()
   let projectsDb = ctx.buildDb(projectsCfg)
 
-  for (context, projects) in pairs(projectsDb):
-    if projectsDb.len > 1:
+  var contextsAndProjects: seq[(string, seq[Project])] = @[]
+
+  for (context, pjs) in pairs(projectsDb):
+    let projects = pjs
+    let issues: seq[Issue] = projects --> map(toSeq(values(it.milestones))).flatten().flatten()
+    if issues.len > 0:
+      contextsAndProjects.add((context, projects))
+
+  for (context, projects) in contextsAndProjects:
+    if contextsAndProjects.len > 1:
       stdout.writeLine("")
       stdout.writeLine(withColor(
         ctx.getIssueContextDisplayName(context) & ":",