diff --git a/go/todo.dot b/go/todo.dot
index 59f27d6569e7af3d22f435de66475dba7c42aefa..42a7d1769425a328d9e26a876a3b47d4bf0a2f3e 100644
--- a/go/todo.dot
+++ b/go/todo.dot
@@ -9,6 +9,7 @@ digraph {
Sgo -> Mmap_go;
Sgo -> io_cancel;
Sgo -> load_serial_next;
+ Sgo -> sha1_index;
Cpy_r_Sgo -> Sgo;
Cpy_r_Sgo -> Protog_fix;
@@ -37,6 +38,8 @@ digraph {
io_cancel [label="? conn IO vs ctx cancel"];
load_serial_next [label=<? GetObject return += serial<sub>next</sub>>];
+ sha1_index [label="? sha1 index"];
+
//Cgo -> Cgo_tasks;
//Cgo_tasks [label="- talkMaster\n- update nodeTab/partTab\n- dial S on demand\n..." style=filled fillcolor=lightyellow];
}
diff --git a/go/todo.svg b/go/todo.svg
index 3f7454f05719aa7179f961689a52e31191e2ea6e..b1234c2609cbd0431bae57e0068ebfa79cf87dfb 100644
--- a/go/todo.svg
+++ b/go/todo.svg
@@ -4,62 +4,62 @@
<!-- Generated by graphviz version 2.38.0 (20140413.2041)
-->
<!-- Title: %3 Pages: 1 -->
-<svg width="974pt" height="332pt"
- viewBox="0.00 0.00 973.53 332.00" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg width="1092pt" height="332pt"
+ viewBox="0.00 0.00 1091.53 332.00" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g id="graph0" class="graph" transform="scale(1 1) rotate(0) translate(4 328)">
<title>%3</title>
-<polygon fill="white" stroke="none" points="-4,4 -4,-328 969.535,-328 969.535,4 -4,4"/>
+<polygon fill="white" stroke="none" points="-4,4 -4,-328 1087.53,-328 1087.53,4 -4,4"/>
<!-- Cgo -->
<g id="node1" class="node"><title>Cgo</title>
-<ellipse fill="lightyellow" stroke="black" cx="226.292" cy="-234" rx="27" ry="18"/>
-<text text-anchor="start" x="214.792" y="-231.3" font-family="Times,serif" font-size="14.00">C</text>
-<text text-anchor="start" x="224.792" y="-231.3" font-family="Times,serif" baseline-shift="sub" font-size="14.00">go</text>
+<ellipse fill="lightyellow" stroke="black" cx="344.292" cy="-234" rx="27" ry="18"/>
+<text text-anchor="start" x="332.792" y="-231.3" font-family="Times,serif" font-size="14.00">C</text>
+<text text-anchor="start" x="342.792" y="-231.3" font-family="Times,serif" baseline-shift="sub" font-size="14.00">go</text>
</g>
<!-- SCgo_t -->
<g id="node2" class="node"><title>SCgo_t</title>
-<ellipse fill="lightyellow" stroke="black" cx="212.292" cy="-162" rx="69.5877" ry="18"/>
-<text text-anchor="start" x="166.792" y="-159.3" font-family="Times,serif" font-size="14.00">S</text>
-<text text-anchor="start" x="174.792" y="-159.3" font-family="Times,serif" baseline-shift="sub" font-size="14.00">go</text>
-<text text-anchor="start" x="187.792" y="-159.3" font-family="Times,serif" font-size="14.00">  / C</text>
-<text text-anchor="start" x="212.792" y="-159.3" font-family="Times,serif" baseline-shift="sub" font-size="14.00">go</text>
-<text text-anchor="start" x="225.792" y="-159.3" font-family="Times,serif" font-size="14.00">  tests</text>
+<ellipse fill="lightyellow" stroke="black" cx="330.292" cy="-162" rx="69.5877" ry="18"/>
+<text text-anchor="start" x="284.792" y="-159.3" font-family="Times,serif" font-size="14.00">S</text>
+<text text-anchor="start" x="292.792" y="-159.3" font-family="Times,serif" baseline-shift="sub" font-size="14.00">go</text>
+<text text-anchor="start" x="305.792" y="-159.3" font-family="Times,serif" font-size="14.00">  / C</text>
+<text text-anchor="start" x="330.792" y="-159.3" font-family="Times,serif" baseline-shift="sub" font-size="14.00">go</text>
+<text text-anchor="start" x="343.792" y="-159.3" font-family="Times,serif" font-size="14.00">  tests</text>
</g>
<!-- Cgo->SCgo_t -->
<g id="edge1" class="edge"><title>Cgo->SCgo_t</title>
-<path fill="none" stroke="black" d="M217.244,-216.765C214.779,-208.869 212.572,-199.164 211.13,-190.183"/>
-<polygon fill="black" stroke="black" points="214.582,-189.588 209.82,-180.124 207.641,-190.492 214.582,-189.588"/>
+<path fill="none" stroke="black" d="M335.244,-216.765C332.779,-208.869 330.572,-199.164 329.13,-190.183"/>
+<polygon fill="black" stroke="black" points="332.582,-189.588 327.82,-180.124 325.641,-190.492 332.582,-189.588"/>
</g>
<!-- SCgo_t->Cgo -->
<g id="edge5" class="edge"><title>SCgo_t->Cgo</title>
-<path fill="none" stroke="black" d="M221.66,-180.275C224.012,-188.03 226.105,-197.362 227.483,-206.005"/>
-<polygon fill="black" stroke="black" points="224.029,-206.586 228.781,-216.055 230.972,-205.689 224.029,-206.586"/>
+<path fill="none" stroke="black" d="M339.66,-180.275C342.012,-188.03 344.105,-197.362 345.483,-206.005"/>
+<polygon fill="black" stroke="black" points="342.029,-206.586 346.781,-216.055 348.972,-205.689 342.029,-206.586"/>
</g>
<!-- Sgo -->
<g id="node3" class="node"><title>Sgo</title>
-<ellipse fill="lightyellow" stroke="black" cx="297.292" cy="-90" rx="27" ry="18"/>
-<text text-anchor="start" x="286.792" y="-87.3" font-family="Times,serif" font-size="14.00">S</text>
-<text text-anchor="start" x="294.792" y="-87.3" font-family="Times,serif" baseline-shift="sub" font-size="14.00">go</text>
+<ellipse fill="lightyellow" stroke="black" cx="415.292" cy="-90" rx="27" ry="18"/>
+<text text-anchor="start" x="404.792" y="-87.3" font-family="Times,serif" font-size="14.00">S</text>
+<text text-anchor="start" x="412.792" y="-87.3" font-family="Times,serif" baseline-shift="sub" font-size="14.00">go</text>
</g>
<!-- SCgo_t->Sgo -->
<g id="edge4" class="edge"><title>SCgo_t->Sgo</title>
-<path fill="none" stroke="black" d="M226.99,-144.055C238.834,-133.367 255.542,-119.585 269.782,-108.747"/>
-<polygon fill="black" stroke="black" points="271.899,-111.533 277.826,-102.751 267.716,-105.921 271.899,-111.533"/>
+<path fill="none" stroke="black" d="M344.99,-144.055C356.834,-133.367 373.542,-119.585 387.782,-108.747"/>
+<polygon fill="black" stroke="black" points="389.899,-111.533 395.826,-102.751 385.716,-105.921 389.899,-111.533"/>
</g>
<!-- Mgo -->
<g id="node4" class="node"><title>Mgo</title>
-<ellipse fill="lightyellow" stroke="black" cx="212.292" cy="-90" rx="27.0966" ry="18"/>
-<text text-anchor="start" x="199.292" y="-87.3" font-family="Times,serif" font-size="14.00">M</text>
-<text text-anchor="start" x="212.292" y="-87.3" font-family="Times,serif" baseline-shift="sub" font-size="14.00">go</text>
+<ellipse fill="lightyellow" stroke="black" cx="330.292" cy="-90" rx="27.0966" ry="18"/>
+<text text-anchor="start" x="317.292" y="-87.3" font-family="Times,serif" font-size="14.00">M</text>
+<text text-anchor="start" x="330.292" y="-87.3" font-family="Times,serif" baseline-shift="sub" font-size="14.00">go</text>
</g>
<!-- SCgo_t->Mgo -->
<g id="edge3" class="edge"><title>SCgo_t->Mgo</title>
-<path fill="none" stroke="black" d="M212.292,-143.697C212.292,-135.983 212.292,-126.712 212.292,-118.112"/>
-<polygon fill="black" stroke="black" points="215.792,-118.104 212.292,-108.104 208.792,-118.104 215.792,-118.104"/>
+<path fill="none" stroke="black" d="M330.292,-143.697C330.292,-135.983 330.292,-126.712 330.292,-118.112"/>
+<polygon fill="black" stroke="black" points="333.792,-118.104 330.292,-108.104 326.792,-118.104 333.792,-118.104"/>
</g>
<!-- Sgo->SCgo_t -->
<g id="edge2" class="edge"><title>Sgo->SCgo_t</title>
-<path fill="none" stroke="black" d="M284.622,-106.101C274.218,-115.632 259.287,-128.111 245.629,-138.763"/>
-<polygon fill="black" stroke="black" points="243.148,-136.254 237.34,-145.116 247.406,-141.81 243.148,-136.254"/>
+<path fill="none" stroke="black" d="M402.622,-106.101C392.218,-115.632 377.287,-128.111 363.629,-138.763"/>
+<polygon fill="black" stroke="black" points="361.148,-136.254 355.34,-145.116 365.406,-141.81 361.148,-136.254"/>
</g>
<!-- Mmap_go -->
<g id="node5" class="node"><title>Mmap_go</title>
@@ -68,8 +68,8 @@
</g>
<!-- Sgo->Mmap_go -->
<g id="edge6" class="edge"><title>Sgo->Mmap_go</title>
-<path fill="none" stroke="black" d="M273.874,-80.841C265.775,-78.0284 256.638,-74.8655 248.292,-72 214.238,-60.3079 175.956,-47.2999 145.837,-37.0969"/>
-<polygon fill="black" stroke="black" points="146.955,-33.7803 136.361,-33.888 144.71,-40.4105 146.955,-33.7803"/>
+<path fill="none" stroke="black" d="M392.075,-80.1833C383.992,-77.3179 374.814,-74.2899 366.292,-72 329.796,-62.1934 236.041,-44.659 168.359,-32.4559"/>
+<polygon fill="black" stroke="black" points="168.614,-28.9458 158.153,-30.6204 167.375,-35.8352 168.614,-28.9458"/>
</g>
<!-- io_cancel -->
<g id="node6" class="node"><title>io_cancel</title>
@@ -78,8 +78,8 @@
</g>
<!-- Sgo->io_cancel -->
<g id="edge7" class="edge"><title>Sgo->io_cancel</title>
-<path fill="none" stroke="black" d="M297.292,-71.6966C297.292,-63.9827 297.292,-54.7125 297.292,-46.1124"/>
-<polygon fill="black" stroke="black" points="300.792,-46.1043 297.292,-36.1043 293.792,-46.1044 300.792,-46.1043"/>
+<path fill="none" stroke="black" d="M395.807,-77.4409C378.928,-67.4283 354.065,-52.679 333.54,-40.5031"/>
+<polygon fill="black" stroke="black" points="335.139,-37.3823 324.753,-35.2905 331.568,-43.4027 335.139,-37.3823"/>
</g>
<!-- load_serial_next -->
<g id="node7" class="node"><title>load_serial_next</title>
@@ -89,96 +89,106 @@
</g>
<!-- Sgo->load_serial_next -->
<g id="edge8" class="edge"><title>Sgo->load_serial_next</title>
-<path fill="none" stroke="black" d="M321.762,-81.7724C357.021,-71.3585 423.276,-51.7895 472.476,-37.2577"/>
-<polygon fill="black" stroke="black" points="473.476,-40.612 482.075,-34.4227 471.493,-33.8987 473.476,-40.612"/>
+<path fill="none" stroke="black" d="M434.942,-77.4409C451.849,-67.496 476.699,-52.8781 497.316,-40.7503"/>
+<polygon fill="black" stroke="black" points="499.307,-43.64 506.152,-35.553 495.758,-37.6065 499.307,-43.64"/>
+</g>
+<!-- sha1_index -->
+<g id="node8" class="node"><title>sha1_index</title>
+<ellipse fill="none" stroke="black" cx="732.292" cy="-18" rx="55.4913" ry="18"/>
+<text text-anchor="middle" x="732.292" y="-14.3" font-family="Times,serif" font-size="14.00">? sha1 index</text>
+</g>
+<!-- Sgo->sha1_index -->
+<g id="edge9" class="edge"><title>Sgo->sha1_index</title>
+<path fill="none" stroke="black" d="M440.888,-84.1051C486.674,-75.2455 585.549,-55.6413 668.292,-36 672.624,-34.9715 677.111,-33.8651 681.606,-32.7278"/>
+<polygon fill="black" stroke="black" points="682.591,-36.0886 691.403,-30.2072 680.846,-29.3094 682.591,-36.0886"/>
</g>
<!-- Cpy_r_Sgo -->
-<g id="node8" class="node"><title>Cpy_r_Sgo</title>
-<ellipse fill="none" stroke="black" cx="582.292" cy="-306" rx="61.99" ry="18"/>
-<text text-anchor="start" x="542.792" y="-303.3" font-family="Times,serif" font-size="14.00">C</text>
-<text text-anchor="start" x="552.792" y="-303.3" font-family="Times,serif" baseline-shift="sub" font-size="14.00">py</text>
-<text text-anchor="start" x="565.792" y="-303.3" font-family="Times,serif" font-size="14.00">  read S</text>
-<text text-anchor="start" x="608.792" y="-303.3" font-family="Times,serif" baseline-shift="sub" font-size="14.00">go</text>
+<g id="node9" class="node"><title>Cpy_r_Sgo</title>
+<ellipse fill="none" stroke="black" cx="700.292" cy="-306" rx="61.99" ry="18"/>
+<text text-anchor="start" x="660.792" y="-303.3" font-family="Times,serif" font-size="14.00">C</text>
+<text text-anchor="start" x="670.792" y="-303.3" font-family="Times,serif" baseline-shift="sub" font-size="14.00">py</text>
+<text text-anchor="start" x="683.792" y="-303.3" font-family="Times,serif" font-size="14.00">  read S</text>
+<text text-anchor="start" x="726.792" y="-303.3" font-family="Times,serif" baseline-shift="sub" font-size="14.00">go</text>
</g>
<!-- Cpy_r_Sgo->Sgo -->
-<g id="edge9" class="edge"><title>Cpy_r_Sgo->Sgo</title>
-<path fill="none" stroke="black" d="M577.671,-288.003C571.637,-268.53 559.403,-236.656 539.292,-216 479.295,-154.379 382.401,-117.223 331.32,-100.872"/>
-<polygon fill="black" stroke="black" points="332.327,-97.5202 321.739,-97.8782 330.24,-104.202 332.327,-97.5202"/>
+<g id="edge10" class="edge"><title>Cpy_r_Sgo->Sgo</title>
+<path fill="none" stroke="black" d="M695.671,-288.003C689.637,-268.53 677.403,-236.656 657.292,-216 597.295,-154.379 500.401,-117.223 449.32,-100.872"/>
+<polygon fill="black" stroke="black" points="450.327,-97.5202 439.739,-97.8782 448.24,-104.202 450.327,-97.5202"/>
</g>
<!-- Protog_fix -->
-<g id="node9" class="node"><title>Protog_fix</title>
-<ellipse fill="lightyellow" stroke="black" cx="434.292" cy="-234" rx="96.3833" ry="18"/>
-<text text-anchor="middle" x="434.292" y="-230.3" font-family="Times,serif" font-size="14.00">proto(go/py) compat fix</text>
+<g id="node10" class="node"><title>Protog_fix</title>
+<ellipse fill="lightyellow" stroke="black" cx="552.292" cy="-234" rx="96.3833" ry="18"/>
+<text text-anchor="middle" x="552.292" y="-230.3" font-family="Times,serif" font-size="14.00">proto(go/py) compat fix</text>
</g>
<!-- Cpy_r_Sgo->Protog_fix -->
-<g id="edge10" class="edge"><title>Cpy_r_Sgo->Protog_fix</title>
-<path fill="none" stroke="black" d="M551.266,-290.326C529.715,-280.133 500.723,-266.42 476.994,-255.197"/>
-<polygon fill="black" stroke="black" points="478.389,-251.985 467.852,-250.873 475.396,-258.313 478.389,-251.985"/>
+<g id="edge11" class="edge"><title>Cpy_r_Sgo->Protog_fix</title>
+<path fill="none" stroke="black" d="M669.266,-290.326C647.715,-280.133 618.723,-266.42 594.994,-255.197"/>
+<polygon fill="black" stroke="black" points="596.389,-251.985 585.852,-250.873 593.396,-258.313 596.389,-251.985"/>
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-<g id="node10" class="node"><title>Cpy_patch</title>
-<ellipse fill="lightyellow" stroke="black" cx="685.292" cy="-234" rx="99.3824" ry="18"/>
-<text text-anchor="start" x="616.792" y="-230.3" font-family="Times,serif" font-size="14.00">py patch: ConnID py=go</text>
+<g id="node11" class="node"><title>Cpy_patch</title>
+<ellipse fill="lightyellow" stroke="black" cx="803.292" cy="-234" rx="99.3824" ry="18"/>
+<text text-anchor="start" x="734.792" y="-230.3" font-family="Times,serif" font-size="14.00">py patch: ConnID py=go</text>
</g>
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-<path fill="none" stroke="black" d="M605.407,-289.291C619.191,-279.923 636.919,-267.875 652.172,-257.509"/>
-<polygon fill="black" stroke="black" points="654.515,-260.148 660.818,-251.633 650.58,-254.359 654.515,-260.148"/>
+<g id="edge12" class="edge"><title>Cpy_r_Sgo->Cpy_patch</title>
+<path fill="none" stroke="black" d="M723.407,-289.291C737.191,-279.923 754.919,-267.875 770.172,-257.509"/>
+<polygon fill="black" stroke="black" points="772.515,-260.148 778.818,-251.633 768.58,-254.359 772.515,-260.148"/>
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-<g id="node11" class="node"><title>Mpy_vs_Sgo</title>
-<ellipse fill="lightyellow" stroke="black" cx="884.292" cy="-234" rx="81.4863" ry="18"/>
-<text text-anchor="start" x="829.792" y="-231.3" font-family="Times,serif" font-size="14.00">M</text>
-<text text-anchor="start" x="842.792" y="-231.3" font-family="Times,serif" baseline-shift="sub" font-size="14.00">py</text>
-<text text-anchor="start" x="855.792" y="-231.3" font-family="Times,serif" font-size="14.00"> vs S</text>
-<text text-anchor="start" x="883.792" y="-231.3" font-family="Times,serif" baseline-shift="sub" font-size="14.00">go</text>
-<text text-anchor="start" x="896.792" y="-231.3" font-family="Times,serif" font-size="14.00">: try/fix</text>
+<g id="node12" class="node"><title>Mpy_vs_Sgo</title>
+<ellipse fill="lightyellow" stroke="black" cx="1002.29" cy="-234" rx="81.4863" ry="18"/>
+<text text-anchor="start" x="947.792" y="-231.3" font-family="Times,serif" font-size="14.00">M</text>
+<text text-anchor="start" x="960.792" y="-231.3" font-family="Times,serif" baseline-shift="sub" font-size="14.00">py</text>
+<text text-anchor="start" x="973.792" y="-231.3" font-family="Times,serif" font-size="14.00"> vs S</text>
+<text text-anchor="start" x="1001.79" y="-231.3" font-family="Times,serif" baseline-shift="sub" font-size="14.00">go</text>
+<text text-anchor="start" x="1014.79" y="-231.3" font-family="Times,serif" font-size="14.00">: try/fix</text>
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+<g id="edge13" class="edge"><title>Cpy_r_Sgo->Mpy_vs_Sgo</title>
+<path fill="none" stroke="black" d="M746.489,-293.872C754.745,-291.902 763.271,-289.88 771.292,-288 827.461,-274.832 891.397,-260.19 937.743,-249.638"/>
+<polygon fill="black" stroke="black" points="938.676,-253.015 947.65,-247.383 937.123,-246.189 938.676,-253.015"/>
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-<g id="node12" class="node"><title>Cgo_r_Sgo</title>
-<ellipse fill="none" stroke="black" cx="254.292" cy="-306" rx="61.99" ry="18"/>
-<text text-anchor="start" x="214.792" y="-303.3" font-family="Times,serif" font-size="14.00">C</text>
-<text text-anchor="start" x="224.792" y="-303.3" font-family="Times,serif" baseline-shift="sub" font-size="14.00">go</text>
-<text text-anchor="start" x="237.792" y="-303.3" font-family="Times,serif" font-size="14.00">  read S</text>
-<text text-anchor="start" x="280.792" y="-303.3" font-family="Times,serif" baseline-shift="sub" font-size="14.00">go</text>
+<g id="node13" class="node"><title>Cgo_r_Sgo</title>
+<ellipse fill="none" stroke="black" cx="372.292" cy="-306" rx="61.99" ry="18"/>
+<text text-anchor="start" x="332.792" y="-303.3" font-family="Times,serif" font-size="14.00">C</text>
+<text text-anchor="start" x="342.792" y="-303.3" font-family="Times,serif" baseline-shift="sub" font-size="14.00">go</text>
+<text text-anchor="start" x="355.792" y="-303.3" font-family="Times,serif" font-size="14.00">  read S</text>
+<text text-anchor="start" x="398.792" y="-303.3" font-family="Times,serif" baseline-shift="sub" font-size="14.00">go</text>
</g>
<!-- Cgo_r_Sgo->Cgo -->
-<g id="edge13" class="edge"><title>Cgo_r_Sgo->Cgo</title>
-<path fill="none" stroke="black" d="M247.514,-288.055C244.281,-279.973 240.34,-270.121 236.736,-261.112"/>
-<polygon fill="black" stroke="black" points="239.971,-259.774 233.007,-251.789 233.472,-262.374 239.971,-259.774"/>
+<g id="edge14" class="edge"><title>Cgo_r_Sgo->Cgo</title>
+<path fill="none" stroke="black" d="M365.514,-288.055C362.281,-279.973 358.34,-270.121 354.736,-261.112"/>
+<polygon fill="black" stroke="black" points="357.971,-259.774 351.007,-251.789 351.472,-262.374 357.971,-259.774"/>
</g>
<!-- Cgo_r_Sgo->Sgo -->
-<g id="edge14" class="edge"><title>Cgo_r_Sgo->Sgo</title>
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