From d418fe89310aa535f469fb107494f6df32c894a9 Mon Sep 17 00:00:00 2001
From: "Eric S. Raymond" <esr@thyrsus.com>
Date: Wed, 19 Nov 2014 20:32:40 -0500
Subject: [PATCH] Custom format option for src list (needed for VC mode).

---
 src | 41 +++++++++++++++++++++++++++++++++++------
 1 file changed, 35 insertions(+), 6 deletions(-)

diff --git a/src b/src
index c67f345..b977f88 100755
--- a/src
+++ b/src
@@ -464,10 +464,11 @@ src rename ['tag'|'branch'] ['oldname'] ['newname']  ['file'...]
    Rename a tag or branch. Refuses to step on an existing symbol or
    rename a nonexistent one.  'rn' is a synonym for 'rename'.
 
-src list ['revision-range'] ['file'...]
+src list [-f fmt] ['revision-range'] ['file'...]
    Sends summary information about the specified commits to standard output.
    The summary line tagged with '*' is the state that the file would
-   return to on checkout without a revision-spec.
+   return to on checkout without a revision-spec. See 'help list' for
+   information about custom formats.
 
 src log ['revision-range'] ['file'...]
    Sends log information about the specified commits to standard output.
@@ -663,7 +664,7 @@ number, the date, and the log comment.
 With no revision, dumps a log of the entire current branch.
 """,   
    "list" : """
-src list ['revision-range'] ['file'...]
+src list [-f fmt] ['revision-range'] ['file'...]
 
 Sends summary information about the specified commits of each file
 to standard output.  The summary information includes the revision
@@ -674,6 +675,15 @@ of beginning each commit with a self-contained summary line.
 
 With no revision, dumps a log of the entire current branch.
 
+The -f option allows you to set a custom fomat string.  Available
+substitutions are:
+
+{0}   The file name
+{1}   The revision number
+{2}   The mark - * is this is the currently checked out revision, else '-'.
+{3}   The date in RFC3339 format
+{4}   The summary line
+
 'li' is a synonym for 'list'.
 """,   
    "diff" : """
@@ -1080,21 +1090,40 @@ def amend_method(*args):
 
 def list_method(*args):
     "Generate a summary listing of commits, one line per commit."
+    args = list(args)
+    custom = None
+    if args[0] == '--':
+        args.pop(0)
+    elif args[0] == "-f":
+        args.pop(0)
+        try:
+            custom = args[0]
+            args.pop(0)
+        except IndexError:
+            croak("list -f requires a following string")
+    elif args[0].startswith("-f"):
+        custom = args[0][2:]
+        args.pop(0)
     ctx = CommandContext("list", args, default_to="branch_reversed")
     width = screenwidth()
     for arg in ctx.args:
         if ignore(arg) or not registered(arg):
             continue
-        sys.stdout.write("= %s %s\n" % (arg, ((width - len(arg) - 5) * "=")))
+        if custom is None:
+            sys.stdout.write("= %s %s\n" % (arg, ((width - len(arg) - 5) * "=")))
         for item in ctx.resolve(History(arg), backwards=True):
             # Must allow enough room for revno and date
-            summary = item.log.strip()[:width - 34]
             if item.selected():
                 mark = "*"
             else:
                 mark = "-"
-            sys.stdout.write("%-4d  %s %s %s\n" \
+            summary = item.log.split('\n')[0][:width - 34]
+            if custom is None:
+                summary = summary[:width - 34]
+                sys.stdout.write("%-4d  %s %s %s\n" \
                              % (item.revno, mark, item.date, summary))
+            else:
+                sys.stdout.write(custom.format(arg, item.revno, mark, item.date, summary))
 
 def log_method(*args):
     "Report revision logs"
-- 
2.43.0