# HG changeset patch
# User Pulkit Goyal <7895pulkit@gmail.com>
# Date 1586864171 -19800
# Node ID 4a28f5e8408e57be9d55496c628254b5a12393a6
# Parent  a03c177a46792b1f87a2eea4e35a943256c3c488
debugcommands: introduce new debugrequirements command

This for now just prints out the list of current requirements. In future this
will be helpful in reading requirements from couple of sources, and checking
which requirement comes from where.

Differential Revision: https://phab.mercurial-scm.org/D8632

diff -r a03c177a4679 -r 4a28f5e8408e mercurial/debugcommands.py
--- a/mercurial/debugcommands.py	Tue Apr 14 16:43:54 2020 +0530
+++ b/mercurial/debugcommands.py	Tue Apr 14 17:06:11 2020 +0530
@@ -2651,6 +2651,13 @@
             ui.write(_(b"%s not renamed\n") % rel)
 
 
+@command(b'debugrequires|debugrequirements', [], b'')
+def debugrequirements(ui, repo):
+    """ print the current repo requirements """
+    for r in sorted(repo.requirements):
+        ui.write(b"%s\n" % r)
+
+
 @command(
     b'debugrevlog',
     cmdutil.debugrevlogopts + [(b'd', b'dump', False, _(b'dump index data'))],
diff -r a03c177a4679 -r 4a28f5e8408e tests/test-completion.t
--- a/tests/test-completion.t	Tue Apr 14 16:43:54 2020 +0530
+++ b/tests/test-completion.t	Tue Apr 14 17:06:11 2020 +0530
@@ -121,6 +121,7 @@
   debugrebuilddirstate
   debugrebuildfncache
   debugrename
+  debugrequires
   debugrevlog
   debugrevlogindex
   debugrevspec
@@ -306,6 +307,7 @@
   debugrebuilddirstate: rev, minimal
   debugrebuildfncache: 
   debugrename: rev
+  debugrequires: 
   debugrevlog: changelog, manifest, dir, dump
   debugrevlogindex: changelog, manifest, dir, format
   debugrevspec: optimize, show-revs, show-set, show-stage, no-optimized, verify-optimized
diff -r a03c177a4679 -r 4a28f5e8408e tests/test-help.t
--- a/tests/test-help.t	Tue Apr 14 16:43:54 2020 +0530
+++ b/tests/test-help.t	Tue Apr 14 17:06:11 2020 +0530
@@ -1051,6 +1051,8 @@
    debugrebuildfncache
                  rebuild the fncache file
    debugrename   dump rename information
+   debugrequires
+                 print the current repo requirements
    debugrevlog   show data and statistics about a revlog
    debugrevlogindex
                  dump the contents of a revlog index
diff -r a03c177a4679 -r 4a28f5e8408e tests/test-requires.t
--- a/tests/test-requires.t	Tue Apr 14 16:43:54 2020 +0530
+++ b/tests/test-requires.t	Tue Apr 14 17:06:11 2020 +0530
@@ -48,6 +48,14 @@
   > # enable extension locally
   > supportlocally = $TESTTMP/supported-locally/supportlocally.py
   > EOF
+  $ hg -R supported debugrequirements
+  dotencode
+  featuresetup-test
+  fncache
+  generaldelta
+  revlogv1
+  sparserevlog
+  store
   $ hg -R supported status
 
   $ hg init push-dst