diff --git a/mercurial/hgweb/webcommands.py b/mercurial/hgweb/webcommands.py
--- a/mercurial/hgweb/webcommands.py
+++ b/mercurial/hgweb/webcommands.py
@@ -979,6 +979,9 @@ def filelog(web, req, tmpl):
patch = 'patch' in req.form
if patch:
lessvars['patch'] = morevars['patch'] = req.form['patch'][0]
+ descend = 'descend' in req.form
+ if descend:
+ lessvars['descend'] = morevars['descend'] = req.form['descend'][0]
count = fctx.filerev() + 1
start = max(0, count - revcount) # first rev on this page
@@ -1007,8 +1010,11 @@ def filelog(web, req, tmpl):
# deactivate numeric nav links when linerange is specified as this
# would required a dedicated "revnav" class
nav = None
- ancestors = context.blockancestors(fctx, *lrange)
- for i, (c, lr) in enumerate(ancestors, 1):
+ if descend:
+ it = context.blockdescendants(fctx, *lrange)
+ else:
+ it = context.blockancestors(fctx, *lrange)
+ for i, (c, lr) in enumerate(it, 1):
diffs = None
if patch:
diffs = diff(c, linerange=lr)
@@ -1049,6 +1055,7 @@ def filelog(web, req, tmpl):
nav=nav,
symrev=webutil.symrevorshortnode(req, fctx),
entries=entries,
+ descend=descend,
patch=patch,
latestentry=latestentry,
linerange=linerange,
diff --git a/mercurial/templates/paper/filelog.tmpl b/mercurial/templates/paper/filelog.tmpl
--- a/mercurial/templates/paper/filelog.tmpl
+++ b/mercurial/templates/paper/filelog.tmpl
@@ -48,7 +48,7 @@
log {file|escape} @ {rev}:{node|short}
{branch%changelogbranchname}{tags%changelogtag}{bookmarks%changelogtag}
{if(linerange,
-' (following lines {linerange} back to filelog)')}
+' (following lines {linerange}{if(descend, ', descending')} back to filelog)')}