annotate tools/common.sh @ 1422:372afb75f465

maps: add the "branchmaxrevnum" method to RevMap Iterating the RevMap can be very expensive for large repos. To prevent future code from iterating the possibly huge RevMap causing performance issues, it's a good idea to clean all iterating code outside RevMap. This patch adds a method used by "get_parent_svn_branch_and_rev". In the future, we will have a SqliteRevMap, which will have an efficient implementation for this query, and it will disable "__iter__" to prevent future performance issues.
author Jun Wu <quark@fb.com>
date Sat, 14 May 2016 20:33:57 +0100
parents 5071b8511572
children
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1 function verify_current_revision()
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2 {
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3 /bin/rm -rf *
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4 exportcmd="svn export `hg svn info 2> /dev/null | grep '^URL: ' | sed 's/URL: //'`@`hg svn info | grep ^Revision | sed 's/.*: //;s/ .*//'` . --force"
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5 `echo $exportcmd` > /dev/null
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6 x=$?
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7 if [[ "$x" != "0" ]] ; then
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8 echo $exportcmd
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9 echo 'export failed!'
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10 return 255
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11 fi
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12 if [[ "`hg st | wc -l | python -c 'import sys; print sys.stdin.read().strip()'`" == "0" ]] ; then
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13 return 0
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14 else
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15 if [[ $1 != "keep" ]] ; then
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16 revert_all_files
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17 fi
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18 return 1
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19 fi
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20 }
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21
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22 function revert_all_files()
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23 {
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24 hg revert --all
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25 hg purge
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26 }