From 0d372922aec1213fc90e48c835eeec2acc3aadb0 Mon Sep 17 00:00:00 2001
From: Aki <please@ignore.pl>
Date: Fri, 9 Feb 2024 22:37:40 +0100
Subject: Added options to filter by author or committer

---
 activity/git.lua | 27 +++++++++++++++++++++------
 generate.lua     | 17 ++++++++++++++++-
 2 files changed, 37 insertions(+), 7 deletions(-)

diff --git a/activity/git.lua b/activity/git.lua
index 978dfec..160d227 100644
--- a/activity/git.lua
+++ b/activity/git.lua
@@ -2,16 +2,19 @@ local dates = require "activity.dates"
 local git = {}
 
 
-function git.log (dirname, entries)
+function git.log (dirname, entries, filter)
 	entries = entries or {}
 	if not dirname then
 		error "did not provide repo"
 	end
-	local handle = io.popen(([[git -C %s log --format="%%aE;%%as"]]):format(dirname))
+	local handle = io.popen(([[git -C %s log --all --format="%%aE;%%cE;%%as"]]):format(dirname))
 	for line in handle:lines() do
-		local email, year, month, day = line:match"([^;]*);(%d+)%-(%d+)%-(%d+)"
+		local author, committer, year, month, day = line:match"([^;]*);([^;]*);(%d+)%-(%d+)%-(%d+)"
 		local date = {year=tonumber(year), month=tonumber(month), day=tonumber(day)}
-		table.insert(entries, {email=email, date=date})
+		local entry = {author=author, committer=committer, date=date}
+		if not filter or filter(entry) then
+			table.insert(entries, entry)
+		end
 	end
 	local ok, _ = handle:close()
 	if not ok then
@@ -21,11 +24,11 @@ function git.log (dirname, entries)
 end
 
 
-function git.lookup (repositories)
+function git.lookup (repositories, filter)
 	local lookup = {}
 	local entries = {}
 	for _, dirname in pairs(repositories) do
-		git.log(dirname, entries)
+		git.log(dirname, entries, filter)
 	end
 	for _, entry in pairs(entries) do
 		local day = dates.day_of_year(entry.date)
@@ -39,4 +42,16 @@ function git.lookup (repositories)
 end
 
 
+function git.any_value_filter (member, values)
+	return function (entry)
+		for _, value in pairs(values) do
+			if entry[member] == value then
+				return true
+			end
+		end
+		return false
+	end
+end
+
+
 return git
diff --git a/generate.lua b/generate.lua
index 478bc9d..bc46585 100755
--- a/generate.lua
+++ b/generate.lua
@@ -4,6 +4,8 @@ Generates activity chart
 	-f  (string default 'ansi')    Output format of the chart
 	-y  (optional number)          Year of the chart
 	-R                             Generate rolling chart
+	-A... (optional string)        Author e-mail addresses to include in chart
+	-C... (optional string)        Committer e-mail addresses to include in chart
 	<repos...>  (optional string)  Paths to repositories with activity
 ]]
 local generators = require "activity.generators"
@@ -18,4 +20,17 @@ local maybe_year = args.y
 if args.R then
 	maybe_year = "rolling"
 end
-io.write(generators.generate_table(maybe_year, git.lookup(args.repos), maybe_format))
+local filter, by_author, by_committer
+if #args.A > 0 then
+	by_author = git.any_value_filter("author", args.A)
+end
+if #args.C > 0 then
+	by_committer = git.any_value_filter("committer", args.C)
+end
+if by_committer and by_author then
+	function filter (entry)
+		return by_author(entry) or by_committer(entry)
+	end
+end
+filter = filter or by_author or by_committer
+io.write(generators.generate_table(maybe_year, git.lookup(args.repos, filter), maybe_format))
-- 
cgit v1.1