Mercurial > hg
annotate tests/pdiff @ 46472:98e39f04d60e
upgrade: implement partial upgrade for upgrading persistent-nodemap
Upgrading repositories to use persistent nodemap should be fast and easy as it
requires only two things:
1) Updating the requirements
2) Writing a persistent-nodemap on disk
For both of the steps above, we don't need to edit existing revlogs.
This patch makes upgrade only do the above mentioned two steps if we are
only upgarding to use persistent-nodemap feature.
Since `nodemap.persist_nodemap()` assumes that there exists a nodemap file for
the given revlog if we are trying to call it, this patch adds `force` argument
to create a file if does not exist which is true in our upgrade case.
The test changes demonstrate that we no longer write nodemap files for manifest
after upgrade which I think is desirable.
Differential Revision: https://phab.mercurial-scm.org/D9936
author | Pulkit Goyal <7895pulkit@gmail.com> |
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date | Mon, 01 Feb 2021 00:02:00 +0530 |
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1 #!/bin/sh |
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2 |
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3 # Script to get stable diff output on any platform. |
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4 # |
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5 # Output of this script is almost equivalent to GNU diff with "-Nru". |
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6 # |
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7 # Use this script as "hg pdiff" via extdiff extension with preparation |
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8 # below in test scripts: |
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9 # |
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10 # $ cat >> $HGRCPATH <<EOF |
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11 # > [extdiff] |
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12 # > pdiff = sh "$RUNTESTDIR/pdiff" |
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13 # > EOF |
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14 |
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15 filediff(){ |
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16 # USAGE: filediff file1 file2 [header] |
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17 |
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18 # compare with /dev/null if file doesn't exist (as "-N" option) |
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19 file1="$1" |
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20 if test ! -f "$file1"; then |
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21 file1=/dev/null |
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22 fi |
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23 file2="$2" |
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24 if test ! -f "$file2"; then |
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25 file2=/dev/null |
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26 fi |
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27 |
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28 if cmp -s "$file1" "$file2" 2> /dev/null; then |
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29 # Return immediately, because comparison isn't needed. This |
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30 # also avoids redundant message of diff like "No differences |
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31 # encountered" (on Solaris) |
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32 return |
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33 fi |
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34 |
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35 if test -n "$3"; then |
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36 # show header only in recursive case |
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37 echo "$3" |
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38 fi |
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39 |
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40 # replace "/dev/null" by corresponded filename (as "-N" option) |
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41 diff -u "$file1" "$file2" | |
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42 sed "s@^--- /dev/null\(.*\)\$@--- $1\1@" | |
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43 sed "s@^\+\+\+ /dev/null\(.*\)\$@+++ $2\1@" |
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44 |
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45 # in this case, files differ from each other |
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46 return 1 |
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47 } |
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48 |
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49 if test -d "$1" -o -d "$2"; then |
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50 # ensure comparison in dictionary order |
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51 ( |
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52 if test -d "$1"; then (cd "$1" && find . -type f); fi |
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53 if test -d "$2"; then (cd "$2" && find . -type f); fi |
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54 ) | |
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55 sed 's@^\./@@g' | sort | uniq | |
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56 while read file; do |
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57 filediff "$1/$file" "$2/$file" "diff -Nru $1/$file $2/$file" |
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58 done |
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59 |
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60 # TODO: there is no portable way for current while-read based |
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61 # implementation to return 1 at detecting changes. |
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62 # |
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63 # On bash and dash, assignment to variable inside while-block |
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64 # doesn't affect outside, because inside while-block is executed |
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65 # in sub-shell. BTW, it affects outside while-block on ksh (as sh |
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66 # on Solaris). |
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67 else |
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68 filediff "$1" "$2" |
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69 fi |