Mercurial > hg > mercurial-crew-with-dirclash
annotate hgeditor @ 5378:8a2915f57dfc
convert: add a mode where mercurial_sink skips empty revisions.
The getchanges function of some converter_source classes can return
some false positives. I.e. they sometimes claim that a file "foo"
was changed in some revision, even though its contents are still the
same.
convert_svn is particularly bad, but I think this can also happen with
convert_cvs and, at least in theory, with mercurial_source.
For regular conversions this is not really a problem - as long as
getfile returns the right contents, we'll get a converted revision
with the right contents. But when we use --filemap, this could lead
to superfluous revisions being converted.
Instead of fixing every converter_source, I decided to change
mercurial_sink to work around this problem.
When --filemap is used, we're interested only in revisions that touch
some specific files. If a revision doesn't change any of these files,
then we're not interested in it (at least for revisions with a single
parent; merges are special).
For mercurial_sink, we abuse this property and rollback a commit if
the manifest text hasn't changed. This avoids duplicating the logic
from localrepo.filecommit to detect unchanged files.
author | Alexis S. L. Carvalho <alexis@cecm.usp.br> |
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date | Thu, 04 Oct 2007 23:21:37 -0300 |
parents | b5bbfa18daf7 |
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Remove bashisms and use /bin/sh instead of /bin/bash.
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1 #!/bin/sh |
186 | 2 # |
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3 # This is an example of using HGEDITOR to create of diff to review the |
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4 # changes while commiting. |
684
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5 |
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hgeditor: Remove EMAIL default for HGUSER, comment editor selection
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6 # If you want to pass your favourite editor some other parameters |
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7 # only for Mercurial, modify this: |
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8 case "${EDITOR}" in |
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9 "") |
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10 EDITOR="vi" |
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11 ;; |
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12 emacs) |
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13 EDITOR="$EDITOR -nw" |
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14 ;; |
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15 gvim|vim) |
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16 EDITOR="$EDITOR -f -o" |
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17 ;; |
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18 esac |
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19 |
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20 |
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21 HGTMP="" |
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22 cleanup_exit() { |
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23 rm -rf "$HGTMP" |
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24 } |
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25 |
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26 # Remove temporary files even if we get interrupted |
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27 trap "cleanup_exit" 0 # normal exit |
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28 trap "exit 255" 1 2 3 6 15 # HUP INT QUIT ABRT TERM |
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29 |
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30 HGTMP="${TMPDIR-/tmp}/hgeditor.$RANDOM.$RANDOM.$RANDOM.$$" |
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31 (umask 077 && mkdir "$HGTMP") || { |
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32 echo "Could not create temporary directory! Exiting." 1>&2 |
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33 exit 1 |
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34 } |
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35 |
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36 ( |
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37 grep '^HG: changed' "$1" | cut -b 13- | while read changed; do |
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hgeditor: Use $HG to run 'hg diff' (see 849f011dbf79)
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38 "$HG" diff "$changed" >> "$HGTMP/diff" |
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39 done |
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40 ) |
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41 |
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parents:
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42 cat "$1" > "$HGTMP/msg" |
684
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Matt Mackall <mpm@selenic.com>
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43 |
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Find the system's MD5 binary.
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44 MD5=$(which md5sum 2>/dev/null) || \ |
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45 MD5=$(which md5 2>/dev/null) |
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46 [ -x "${MD5}" ] && CHECKSUM=`${MD5} "$HGTMP/msg"` |
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47 if [ -s "$HGTMP/diff" ]; then |
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48 $EDITOR "$HGTMP/msg" "$HGTMP/diff" || exit $? |
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49 else |
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50 $EDITOR "$HGTMP/msg" || exit $? |
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51 fi |
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52 [ -x "${MD5}" ] && (echo "$CHECKSUM" | ${MD5} -c >/dev/null 2>&1 && exit 13) |
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53 |
1599
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parents:
1009
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54 mv "$HGTMP/msg" "$1" |
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55 |
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56 exit $? |