Mercurial > hg
annotate contrib/tcsh_completion_build.sh @ 30706:2e4862646f02
repair: speed up stripping of many roots
repair.strip() expects a set of root revisions to strip. It then
builds the full set of descedants by walking the descandants of
each. It is rare that more than a few roots get passed in, but if that
happens, it will wastefully walk the changelog for each root. So let's
just walk it once.
I noticed this because the narrowhg extension was passing not only
roots, but all the commits to strip. When there were tens of thousands
of commits to strip, this resulted in quadratic behavior with that
extension.
author | Martin von Zweigbergk <martinvonz@google.com> |
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date | Wed, 04 Jan 2017 10:07:12 -0800 |
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1 #!/bin/sh |
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2 |
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3 # |
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4 # tcsh_completion_build.sh - script to generate tcsh completion |
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5 # |
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6 # |
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7 # Copyright (C) 2005 TK Soh. |
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8 # |
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9 # This is free software; you can redistribute it and/or modify it under |
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10 # the terms of the GNU General Public License as published by the Free |
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11 # Software Foundation; either version 2 of the License, or (at your |
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12 # option) any later version. |
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13 # |
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14 # |
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15 # Description |
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16 # ----------- |
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17 # This script generates a tcsh source file to support completion |
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18 # of Mercurial commands and options. |
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19 # |
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20 # Instruction: |
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21 # ----------- |
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22 # Run this script to generate the tcsh source file, and source |
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23 # the file to add command completion support for Mercurial. |
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24 # |
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25 # tcsh% tcsh_completion.sh FILE |
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26 # tcsh% source FILE |
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27 # |
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28 # If FILE is not specified, tcsh_completion will be generated. |
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29 # |
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30 # Bugs: |
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31 # ---- |
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32 # 1. command specific options are not supported |
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33 # 2. hg commands must be specified immediately after 'hg'. |
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34 # |
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35 |
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36 tcsh_file=${1-tcsh_completion} |
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37 |
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38 hg_commands=`hg --debug help | \ |
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39 sed -e '1,/^list of commands:/d' \ |
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40 -e '/^enabled extensions:/,$d' \ |
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41 -e '/^additional help topics:/,$d' \ |
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42 -e '/^ [^ ]/!d; s/[,:]//g;' | \ |
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43 xargs -n5 | \ |
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44 sed -e '$!s/$/ \\\\/g; 2,$s/^ */ /g'` |
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45 |
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46 hg_global_options=`hg -v help | \ |
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47 sed -e '1,/global/d;/^ *-/!d; s/ [^- ].*//' | \ |
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48 sed -e 's/ *$//; $!s/$/ \\\\/g; 2,$s/^ */ /g'` |
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49 |
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50 hg_version=`hg version | sed -e '1q'` |
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51 |
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52 script_name=`basename $0` |
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53 |
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54 cat > $tcsh_file <<END |
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55 # |
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56 # tcsh completion for Mercurial |
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57 # |
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58 # This file has been auto-generated by $script_name for |
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59 # $hg_version |
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60 # |
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61 # Copyright (C) 2005 TK Soh. |
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62 # |
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63 # This is free software; you can redistribute it and/or modify it under |
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64 # the terms of the GNU General Public License as published by the Free |
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65 # Software Foundation; either version 2 of the License, or (at your |
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66 # option) any later version. |
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67 # |
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68 |
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69 complete hg \\ |
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70 'n/--cwd/d/' 'n/-R/d/' 'n/--repository/d/' \\ |
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71 'C/-/($hg_global_options)/' \\ |
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72 'p/1/($hg_commands)/' |
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73 |
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74 END |