97 lines
2.4 KiB
Tcl
97 lines
2.4 KiB
Tcl
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#!/usr/bin/env tclsh
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# Load commits history as "sha1 unixtime".
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set commits [exec git log unstable {--pretty="%H %at"}]
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set raw_tags [exec git tag]
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# Load all the tags that are about stable releases.
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foreach tag $raw_tags {
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if {[string match v*-stable $tag]} {
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set tag [string range $tag 1 end-7]
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puts $tag
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}
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if {[regexp {^[0-9]+.[0-9]+.[0-9]+$} $tag]} {
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lappend tags $tag
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}
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}
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# For each tag, create a list of "name unixtime"
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foreach tag $tags {
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set taginfo [exec git log $tag -n 1 "--pretty=\"$tag %at\""]
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set taginfo [string trim $taginfo {"}]
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lappend labels $taginfo
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}
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# For each commit, check the amount of code changed and create an array
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# mapping the commit to the number of lines affected.
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foreach c $commits {
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set stat [exec git show --oneline --numstat [lindex $c 0]]
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set linenum 0
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set affected 0
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foreach line [split $stat "\n"] {
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incr linenum
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if {$linenum == 1 || [string match *deps/* $line]} continue
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if {[catch {llength $line} numfields]} continue
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if {$numfields == 0} continue
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catch {
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incr affected [lindex $line 0]
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incr affected [lindex $line 1]
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}
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}
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set commit_to_affected([lindex $c 0]) $affected
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}
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set base_time [lindex [lindex $commits end] 1]
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puts [clock format $base_time]
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# Generate a graph made of HTML DIVs.
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puts {<html>
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<style>
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.box {
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position:absolute;
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width:10px;
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height:5px;
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border:1px black solid;
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background-color:#44aa33;
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opacity: 0.04;
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}
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.label {
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position:absolute;
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background-color:#dddddd;
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font-family:helvetica;
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font-size:12px;
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padding:2px;
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color:#666;
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border:1px #aaa solid;
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border-radius: 5px;
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}
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#outer {
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position:relative;
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width:1500;
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height:500;
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border:1px #aaa solid;
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}
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</style>
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<div id="outer">
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}
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foreach c $commits {
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set sha [lindex $c 0]
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set t [expr {([lindex $c 1]-$base_time)/(3600*24*2)}]
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set affected [expr $commit_to_affected($sha)]
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set left $t
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set height [expr {log($affected)*20}]
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puts "<div class=\"box\" style=\"left:$left; bottom:0; height:$height\"></div>"
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}
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set bottom -30
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foreach l $labels {
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set name [lindex $l 0]
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set t [expr {([lindex $l 1]-$base_time)/(3600*24*2)}]
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set left $t
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if {$left < 0} continue
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incr bottom -20
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if {$bottom == -210} {set bottom -30}
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puts "<div class=\"label\" style=\"left:$left; bottom:$bottom\">$name</div>"
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}
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puts {</div></html>}
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