stablerange: remove call to 'repo.revs'
It turned out that the percentage of time spend parsing the revset string was
two digits, so we compute de heads inline.
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!-- Created with Inkscape (http://www.inkscape.org/) -->
<svg
xmlns:osb="http://www.openswatchbook.org/uri/2009/osb"
xmlns:dc="http://purl.org/dc/elements/1.1/"
xmlns:cc="http://creativecommons.org/ns#"
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns:svg="http://www.w3.org/2000/svg"
xmlns="http://www.w3.org/2000/svg"
xmlns:xlink="http://www.w3.org/1999/xlink"
xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
width="240"
height="205"
id="svg2"
version="1.1"
inkscape:version="0.48.4 r9939"
sodipodi:docname="figure-ug04.svg">
<defs
id="defs4">
<marker
inkscape:stockid="DotM"
orient="auto"
refY="0"
refX="0"
id="DotM"
style="overflow:visible">
<path
id="path4193"
d="m -2.5,-1 c 0,2.76 -2.24,5 -5,5 -2.76,0 -5,-2.24 -5,-5 0,-2.76 2.24,-5 5,-5 2.76,0 5,2.24 5,5 z"
style="fill-rule:evenodd;stroke:#000000;stroke-width:1pt"
transform="matrix(0.4,0,0,0.4,2.96,0.4)"
inkscape:connector-curvature="0" />
</marker>
<marker
inkscape:stockid="DotS"
orient="auto"
refY="0"
refX="0"
id="DotS"
style="overflow:visible">
<path
id="path4196"
d="m -2.5,-1 c 0,2.76 -2.24,5 -5,5 -2.76,0 -5,-2.24 -5,-5 0,-2.76 2.24,-5 5,-5 2.76,0 5,2.24 5,5 z"
style="fill-rule:evenodd;stroke:#000000;stroke-width:1pt"
transform="matrix(0.2,0,0,0.2,1.48,0.2)"
inkscape:connector-curvature="0" />
</marker>
<marker
inkscape:stockid="Arrow1Mstart"
orient="auto"
refY="0"
refX="0"
id="Arrow1Mstart"
style="overflow:visible">
<path
id="path3998"
d="M 0,0 5,-5 -12.5,0 5,5 0,0 z"
style="fill-rule:evenodd;stroke:#000000;stroke-width:1pt"
transform="matrix(0.4,0,0,0.4,4,0)"
inkscape:connector-curvature="0" />
</marker>
<marker
inkscape:stockid="Arrow2Mend"
orient="auto"
refY="0"
refX="0"
id="Arrow2Mend"
style="overflow:visible">
<path
id="path5316"
style="fill-rule:evenodd;stroke-width:0.625;stroke-linejoin:round"
d="M 8.7185878,4.0337352 -2.2072895,0.01601326 8.7185884,-4.0017078 c -1.7454984,2.3720609 -1.7354408,5.6174519 -6e-7,8.035443 z"
transform="scale(-0.6,-0.6)"
inkscape:connector-curvature="0" />
</marker>
<marker
inkscape:stockid="Arrow1Lend"
orient="auto"
refY="0"
refX="0"
id="Arrow1Lend"
style="overflow:visible">
<path
id="path5292"
d="M 0,0 5,-5 -12.5,0 5,5 0,0 z"
style="fill-rule:evenodd;stroke:#000000;stroke-width:1pt"
transform="matrix(-0.8,0,0,-0.8,-10,0)"
inkscape:connector-curvature="0" />
</marker>
<marker
inkscape:stockid="Arrow1Lstart"
orient="auto"
refY="0"
refX="0"
id="Arrow1Lstart"
style="overflow:visible">
<path
id="path5289"
d="M 0,0 5,-5 -12.5,0 5,5 0,0 z"
style="fill-rule:evenodd;stroke:#000000;stroke-width:1pt"
transform="matrix(0.8,0,0,0.8,10,0)"
inkscape:connector-curvature="0" />
</marker>
<linearGradient
inkscape:collect="always"
id="linearGradient5253">
<stop
style="stop-color:#000000;stop-opacity:1;"
offset="0"
id="stop5255" />
<stop
style="stop-color:#000000;stop-opacity:0;"
offset="1"
id="stop5257" />
</linearGradient>
<linearGradient
id="linearGradient5245"
osb:paint="solid">
<stop
style="stop-color:#000000;stop-opacity:1;"
offset="0"
id="stop5247" />
</linearGradient>
<linearGradient
id="linearGradient5207"
osb:paint="solid">
<stop
style="stop-color:#000000;stop-opacity:1;"
offset="0"
id="stop5209" />
</linearGradient>
<linearGradient
inkscape:collect="always"
xlink:href="#linearGradient5253"
id="linearGradient5259"
x1="384.79102"
y1="262.99402"
x2="391.83789"
y2="262.99402"
gradientUnits="userSpaceOnUse" />
<marker
inkscape:stockid="Arrow2Mend"
orient="auto"
refY="0"
refX="0"
id="Arrow2Mend-6"
style="overflow:visible">
<path
id="path5316-5"
style="fill-rule:evenodd;stroke-width:0.625;stroke-linejoin:round"
d="M 8.7185878,4.0337352 -2.2072895,0.01601326 8.7185884,-4.0017078 c -1.7454984,2.3720609 -1.7354408,5.6174519 -6e-7,8.035443 z"
transform="scale(-0.6,-0.6)"
inkscape:connector-curvature="0" />
</marker>
<marker
inkscape:stockid="Arrow2Mend"
orient="auto"
refY="0"
refX="0"
id="Arrow2Mend-9"
style="overflow:visible">
<path
id="path5316-4"
style="fill-rule:evenodd;stroke-width:0.625;stroke-linejoin:round"
d="M 8.7185878,4.0337352 -2.2072895,0.01601326 8.7185884,-4.0017078 c -1.7454984,2.3720609 -1.7354408,5.6174519 -6e-7,8.035443 z"
transform="scale(-0.6,-0.6)"
inkscape:connector-curvature="0" />
</marker>
<marker
inkscape:stockid="Arrow2Mend"
orient="auto"
refY="0"
refX="0"
id="Arrow2Mend-1"
style="overflow:visible">
<path
id="path5316-9"
style="fill-rule:evenodd;stroke-width:0.625;stroke-linejoin:round"
d="M 8.7185878,4.0337352 -2.2072895,0.01601326 8.7185884,-4.0017078 c -1.7454984,2.3720609 -1.7354408,5.6174519 -6e-7,8.035443 z"
transform="scale(-0.6,-0.6)"
inkscape:connector-curvature="0" />
</marker>
<marker
inkscape:stockid="Arrow2Mend"
orient="auto"
refY="0"
refX="0"
id="Arrow2Mend-2"
style="overflow:visible">
<path
id="path5316-7"
style="fill-rule:evenodd;stroke-width:0.625;stroke-linejoin:round"
d="M 8.7185878,4.0337352 -2.2072895,0.01601326 8.7185884,-4.0017078 c -1.7454984,2.3720609 -1.7354408,5.6174519 -6e-7,8.035443 z"
transform="scale(-0.6,-0.6)"
inkscape:connector-curvature="0" />
</marker>
</defs>
<sodipodi:namedview
id="base"
pagecolor="#ffffff"
bordercolor="#666666"
borderopacity="1.0"
inkscape:pageopacity="0.0"
inkscape:pageshadow="2"
inkscape:zoom="2.6388172"
inkscape:cx="115.17834"
inkscape:cy="50.304612"
inkscape:document-units="px"
inkscape:current-layer="svg2"
showgrid="false"
inkscape:window-width="974"
inkscape:window-height="1048"
inkscape:window-x="104"
inkscape:window-y="103"
inkscape:window-maximized="0"
showguides="false"
inkscape:snap-global="false"
fit-margin-top="0"
fit-margin-left="0"
fit-margin-right="0"
fit-margin-bottom="0">
<inkscape:grid
type="xygrid"
id="grid8451"
empspacing="5"
visible="true"
enabled="true"
snapvisiblegridlinesonly="true"
originx="0.078090195px"
originy="-3032.6372px" />
</sodipodi:namedview>
<metadata
id="metadata7">
<rdf:RDF>
<cc:Work
rdf:about="">
<dc:format>image/svg+xml</dc:format>
<dc:type
rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
<dc:title />
</cc:Work>
</rdf:RDF>
</metadata>
<g
inkscape:label="Layer 1"
inkscape:groupmode="layer"
id="layer1"
transform="translate(0.0780902,2185.275)" />
<g
id="g4373"
transform="translate(1.9967556e-6,-0.17817035)">
<rect
y="1.3195724"
x="0.4999969"
height="18.05327"
width="21.481733"
id="rect2987"
style="fill:none;stroke:#000000;stroke-width:0.99999779;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none;stroke-dashoffset:0" />
<text
transform="scale(0.9999978,1.0000022)"
sodipodi:linespacing="125%"
id="text5217"
y="14.714343"
x="7.426435"
style="font-size:11.9999733px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;text-align:start;line-height:125%;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;text-anchor:start;fill:#000000;fill-opacity:1;stroke:none;font-family:Sans;-inkscape-font-specification:Sans"
xml:space="preserve"><tspan
style="stroke:none"
y="14.714343"
x="7.426435"
id="tspan5219"
sodipodi:role="line">3</tspan></text>
</g>
<g
id="g4378"
transform="translate(1.9967556e-6,-0.17817035)">
<rect
y="1.3195724"
x="60.499989"
height="18.05327"
width="21.481733"
id="rect2987-4"
style="fill:none;stroke:#000000;stroke-width:0.99999779;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none;stroke-dashoffset:0" />
<text
transform="scale(0.9999978,1.0000022)"
sodipodi:linespacing="125%"
id="text5217-8"
y="14.714343"
x="67.426567"
style="font-size:11.9999733px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;text-align:start;line-height:125%;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;text-anchor:start;fill:#000000;fill-opacity:1;stroke:none;font-family:Sans;-inkscape-font-specification:Sans"
xml:space="preserve"><tspan
id="tspan6156"
sodipodi:role="line"
x="67.426567"
y="14.714343">5</tspan></text>
</g>
<path
style="fill:none;stroke:#000000;stroke-width:0.99999779px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;marker-end:url(#Arrow2Mend);display:inline"
d="m 21.981731,10.168036 38.518259,10e-7"
id="path8263"
inkscape:connector-type="polyline"
inkscape:connector-curvature="0" />
<g
id="g4383"
transform="translate(1.9967556e-6,-36.178171)">
<g
transform="matrix(1.0000072,0,0,1,-382.57418,-102.71846)"
id="g6159-9">
<rect
style="fill:none;stroke:#000000;stroke-width:1;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none;stroke-dashoffset:0"
id="rect2987-41"
width="21.481829"
height="18.05327"
x="383.08054"
y="238.83586" />
<text
xml:space="preserve"
style="font-size:12px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;text-align:start;line-height:125%;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;text-anchor:start;fill:#000000;fill-opacity:1;stroke:none;font-family:Sans;-inkscape-font-specification:Sans"
x="390.00699"
y="252.23067"
id="text5217-7"
sodipodi:linespacing="125%"><tspan
sodipodi:role="line"
id="tspan5219-3"
x="390.00699"
y="252.23067"
style="stroke:none">3</tspan></text>
</g>
</g>
<g
id="g4395"
transform="translate(1.9967556e-6,-36.178171)">
<g
transform="translate(4.0689943e-6,75.42997)"
id="g4101">
<rect
style="fill:none;stroke:#000000;stroke-width:0.99999791;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none;stroke-dashoffset:0"
id="rect2987-4-4"
width="21.481739"
height="18.05327"
x="60.5"
y="131.44673" />
<text
xml:space="preserve"
style="font-size:11.9999752px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;text-align:start;line-height:125%;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;text-anchor:start;fill:#000000;fill-opacity:1;stroke:none;font-family:Sans;-inkscape-font-specification:Sans"
x="67.447083"
y="144.84122"
id="text5217-8-7"
sodipodi:linespacing="125%"
transform="scale(0.9999979,1.0000021)"><tspan
sodipodi:role="line"
id="tspan3914"
x="67.447083"
y="144.84122">6</tspan></text>
</g>
</g>
<path
style="fill:none;stroke:#000000;stroke-width:0.99999988px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;marker-end:url(#Arrow2Mend-6);display:inline"
d="m 18.903021,117.9925 44.684942,52.70603"
id="path5012"
inkscape:connector-type="polyline"
inkscape:connector-curvature="0"
inkscape:connection-end="#g4395"
inkscape:connection-end-point="d4"
inkscape:connection-start="#g4383"
inkscape:connection-start-point="d4" />
<g
id="g4389"
transform="translate(1.9967556e-6,-36.178171)">
<g
transform="translate(4.0689943e-6,41.74515)"
id="g4022">
<rect
style="fill:none;stroke:#404040;stroke-width:1;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:1, 3;stroke-dashoffset:0"
id="rect2987-4-0"
width="21.481739"
height="18.05327"
x="60.5"
y="94.372253" />
<text
xml:space="preserve"
style="font-size:11.9999752px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;text-align:start;line-height:125%;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;text-anchor:start;fill:#404040;fill-opacity:1;stroke:none;font-family:Sans;-inkscape-font-specification:Sans"
x="67.426567"
y="107.76683"
id="text5217-8-9"
sodipodi:linespacing="125%"
transform="scale(0.9999979,1.0000021)"><tspan
y="107.76683"
x="67.426567"
sodipodi:role="line"
id="tspan6156-7">5</tspan></text>
</g>
</g>
<path
style="fill:none;stroke:#404040;stroke-width:0.99999988;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:0.94117647;stroke-dasharray:none;marker-end:url(#Arrow2Mend);display:inline"
d="m 21.991099,108.96587 38.508907,0"
id="path8263-2"
inkscape:connector-type="polyline"
inkscape:connector-curvature="0" />
<text
xml:space="preserve"
style="font-size:9.99999905px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;text-align:start;line-height:125%;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;text-anchor:start;fill:#000000;fill-opacity:1;stroke:none;font-family:Sans;-inkscape-font-specification:Sans"
x="122.10089"
y="139.74393"
id="text4115"
sodipodi:linespacing="125%"><tspan
sodipodi:role="line"
id="tspan4117"
x="122.10089"
y="139.74393" /></text>
<path
style="fill:none;stroke:#000000;stroke-width:0.99999988;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:0.99999986, 2.99999958;stroke-dashoffset:0;marker-start:url(#DotM)"
d="m 71.240876,117.9925 0,52.70603"
id="path4123"
inkscape:connector-type="polyline"
inkscape:connector-curvature="0" />
<text
xml:space="preserve"
style="font-size:9.99999905px;font-style:italic;font-variant:normal;font-weight:normal;font-stretch:normal;text-align:start;line-height:125%;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;text-anchor:start;fill:#000000;fill-opacity:1;stroke:none;font-family:Sans;-inkscape-font-specification:Sans Italic"
x="131.67636"
y="97.973274"
id="text4799"
sodipodi:linespacing="125%"><tspan
sodipodi:role="line"
id="tspan4801"
x="131.67636"
y="97.973274">obsolete, hidden</tspan></text>
<text
xml:space="preserve"
style="font-size:9.99999905px;font-style:italic;font-variant:normal;font-weight:normal;font-stretch:normal;text-align:start;line-height:125%;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;text-anchor:start;fill:#000000;fill-opacity:1;stroke:none;font-family:Sans;-inkscape-font-specification:Sans Italic"
x="94.602959"
y="134.52141"
id="text4803"
sodipodi:linespacing="125%"><tspan
sodipodi:role="line"
id="tspan4805"
x="94.602959"
y="134.52141">precursor</tspan></text>
<text
xml:space="preserve"
style="font-size:9.99999905px;font-style:italic;font-variant:normal;font-weight:normal;font-stretch:normal;text-align:start;line-height:125%;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;text-anchor:start;fill:#000000;fill-opacity:1;stroke:none;font-family:Sans;-inkscape-font-specification:Sans Italic"
x="94.461357"
y="152.93744"
id="text4807"
sodipodi:linespacing="125%"><tspan
sodipodi:role="line"
id="tspan4809"
x="94.461357"
y="152.93744">successor</tspan></text>
<path
style="fill:none;stroke:#7d7d7d;stroke-width:0.99999988px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;marker-end:url(#Arrow2Mend-2)"
d="M 92.83703,132.25098 C 80.990226,132.18468 79.499843,128.85259 77.19601,119.63725"
id="path5061"
inkscape:connector-curvature="0" />
<path
style="fill:none;stroke:#7d7d7d;stroke-width:0.99999988px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;marker-end:url(#Arrow2Mend-2)"
d="M 93.341579,149.9102 C 79.50521,147.67771 75.177813,157.29201 75.177813,168.57852"
id="path5263"
inkscape:connector-curvature="0" />
<text
xml:space="preserve"
style="font-size:9.99999905px;font-style:italic;font-variant:normal;font-weight:normal;font-stretch:normal;text-align:start;line-height:125%;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;text-anchor:start;fill:#000000;fill-opacity:1;stroke:none;font-family:Sans;-inkscape-font-specification:Sans Italic"
x="131.8273"
y="14.09236"
id="text4799-8"
sodipodi:linespacing="125%"><tspan
sodipodi:role="line"
id="tspan4801-4"
x="131.8273"
y="14.09236">working dir (clean)</tspan></text>
<text
xml:space="preserve"
style="font-size:9.99999905px;font-style:italic;font-variant:normal;font-weight:normal;font-stretch:normal;text-align:start;line-height:125%;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;text-anchor:start;fill:#000000;fill-opacity:1;stroke:none;font-family:Sans;-inkscape-font-specification:Sans Italic"
x="133.3548"
y="177.91992"
id="text4799-8-1"
sodipodi:linespacing="125%"><tspan
sodipodi:role="line"
x="133.3548"
y="177.91992"
id="tspan3129">working dir</tspan><tspan
sodipodi:role="line"
x="133.3548"
y="190.41992"
id="tspan3137">(with uncommitted</tspan><tspan
sodipodi:role="line"
x="133.3548"
y="202.91992"
id="tspan3135">changes to f1 f2 ...)</tspan></text>
<path
style="color:#000000;fill:none;stroke:#707070;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none;stroke-dashoffset:0;marker:none;marker-end:url(#Arrow2Mend-2);visibility:visible;display:inline;overflow:visible;enable-background:accumulate"
d="M 127.70873,11.814007 C 109.60365,21.89832 105.56713,4.2966494 86.402349,8.4033887"
id="path4609"
inkscape:connector-curvature="0" />
<path
style="color:#000000;fill:none;stroke:#707070;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none;stroke-dashoffset:0;marker:none;marker-end:url(#Arrow2Mend-2);visibility:visible;display:inline;overflow:visible;enable-background:accumulate"
d="M 127.70873,95.185669 C 112.22803,107.58577 114.03479,115.58851 86.023391,109.58606"
id="path5019"
inkscape:connector-curvature="0" />
<g
id="g5433"
transform="translate(1.9967556e-6,-0.17817035)">
<text
transform="scale(0.9999978,1.0000022)"
sodipodi:linespacing="125%"
id="text5217-8-0"
y="58.841717"
x="46.92271"
style="font-size:11.99999809px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;text-align:start;line-height:125%;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;text-anchor:start;fill:#000000;fill-opacity:1;stroke:none;font-family:Monospace;-inkscape-font-specification:Monospace"
xml:space="preserve"><tspan
y="58.841717"
x="46.92271"
id="tspan8594"
sodipodi:role="line">hg uncommit <tspan
id="tspan3131"
style="font-style:italic">f1 f2 ...</tspan></tspan></text>
<g
transform="translate(-0.59241834,4.9316169)"
id="g6372">
<path
style="fill:none;stroke:#808080;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
d="m 36.655932,74.035228 3.649333,6.320665 3.711171,-6.427764"
id="path8598-5"
inkscape:connector-curvature="0" />
<g
id="g3821"
transform="matrix(1,0,0,1.5998137,5.836184,-16.712267)">
<path
inkscape:connector-curvature="0"
id="path8466-5-0"
d="M 35.5,23.60911 35.5,59.5"
style="fill:none;stroke:#808080;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
<path
inkscape:connector-curvature="0"
id="path8466-4-7"
d="M 33.5,23.60911 33.5,59.5"
style="fill:none;stroke:#808080;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
</g>
</g>
</g>
<path
style="color:#000000;fill:none;stroke:#707070;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none;stroke-dashoffset:0;marker:none;marker-end:url(#Arrow2Mend-2);visibility:visible;display:inline;overflow:visible;enable-background:accumulate"
d="M 129.98248,191.8189 C 105.83194,202.48442 106.0295,178.82045 86.402349,177.41851"
id="path5443"
inkscape:connector-curvature="0" />
</svg>
