Mercurial > hg
annotate tests/svn/svndump-replace.sh @ 28261:2ab59ac06b76
chg: detect chg started by chg
Sometimes people may create a symbol link from hg to chg, or write a wrapper
script named hg calling chg. Without $HG and $CHGHG set, this will lead to
chg executes itself causing deadlock. The user will notice chg hangs for some
time and aborts with a timed out message, without knowing the root cause and
how to solve it.
This patch sets a dummy environment variable before executing hg to detect
this situation, and print a fatal message with some possible solutions.
CHGINTERNALMARK is set by chg client to detect the situation that chg is
started by chg. It is temporary and should be dropped to avoid possible
side effects.
author | Jun Wu <quark@fb.com> |
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date | Fri, 26 Feb 2016 14:13:12 +0000 |
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1 #!/bin/sh |
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2 |
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3 RSVN="`pwd`/rsvn.py" |
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4 export PATH=/bin:/usr/bin |
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5 mkdir temp |
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6 cd temp |
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7 |
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8 svnadmin create repo |
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9 svn co file://`pwd`/repo wc |
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10 |
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11 cd wc |
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12 mkdir trunk branches |
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13 cd trunk |
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14 echo a > a |
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15 mkdir d |
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16 echo b > d/b |
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17 ln -s d dlink |
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18 ln -s d dlink2 |
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19 ln -s d dlink3 |
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20 mkdir d2 |
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21 echo a > d2/a |
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22 cd .. |
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23 svn add * |
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24 svn ci -m 'initial' |
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25 # Clobber symlink with file with similar content |
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26 cd trunk |
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27 ls -Alh |
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28 readlink dlink3 > dlink3tmp |
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29 rm dlink3 |
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30 mv dlink3tmp dlink3 |
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31 svn propdel svn:special dlink3 |
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32 svn ci -m 'clobber symlink' |
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33 cd .. |
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34 svn up |
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35 |
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36 # Clobber files and symlink with directories |
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37 cd .. |
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38 cat > clobber.rsvn <<EOF |
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39 rdelete trunk/a |
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40 rdelete trunk/dlink |
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41 rcopy trunk/d trunk/a |
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42 rcopy trunk/d trunk/dlink |
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43 EOF |
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44 |
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45 python $RSVN --message=clobber1 --username=evil `pwd`/repo < clobber.rsvn |
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46 |
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47 # Clobber non-symlink with symlink with same content (kudos openwrt) |
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48 cat > clobber.rsvn <<EOF |
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49 rdelete trunk/dlink3 |
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50 rcopy trunk/dlink2 trunk/dlink3 |
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51 EOF |
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52 |
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53 python $RSVN --message=clobber2 --username=evil `pwd`/repo < clobber.rsvn |
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54 |
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55 # Create d2 in branch so d2 has 'a' is in branch/d2 and trunk/d2, |
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56 # 'b' is in trunk/d2 and 'c' is in branch/d2 |
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57 cd wc/trunk |
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58 echo b > d2/b |
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59 svn add d2/b |
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60 svn ci -m adddb |
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61 cd .. |
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62 svn up |
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63 svn cp trunk branches/branch |
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64 cd branches/branch |
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65 svn rm d2/b |
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66 echo c > d2/c |
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67 svn add d2/c |
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68 cd ../.. |
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69 svn ci -m branch |
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70 svn up |
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71 cd .. |
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72 |
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73 cat > clobber.rsvn <<EOF |
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74 rdelete trunk/d2 |
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75 rcopy branches/branch/d2 trunk/d2 |
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76 EOF |
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77 python $RSVN --message=clobberdir --username=evil `pwd`/repo < clobber.rsvn |
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78 |
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79 svn log -v file://`pwd`/repo |
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80 |
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81 svnadmin dump repo > ../replace.svndump |