#!/bin/sh

# This feature requires use of builtin cvsps!

"$TESTDIR/hghave" cvs || exit 80

set -e

echo "[extensions]" >> $HGRCPATH

echo "convert = " >> $HGRCPATH

echo "graphlog = " >> $HGRCPATH

echo % create cvs repository with one project

mkdir cvsrepo

cd cvsrepo

CVSROOT=`pwd`

export CVSROOT

CVS_OPTIONS=-f

export CVS_OPTIONS

cd ..

filterpath()

{

    eval "$@" | sed "s:$CVSROOT:*REPO*:g"

}

cvscall()

{

    echo cvs -f "$@"

    cvs -f "$@" 2>&1

}

# output of 'cvs ci' varies unpredictably, so just discard it

cvsci()

{

    echo cvs -f ci "$@"

    cvs -f ci "$@" >/dev/null 2>&1

}

filterpath cvscall -d "$CVSROOT" init

mkdir cvsrepo/proj

cvscall -q co proj

echo % create file1 on the trunk

cd proj

touch file1

cvscall -Q add file1

cvsci -m"add file1 on trunk" file1

echo % create two branches

cvscall -q tag -b v1_0

cvscall -q tag -b v1_1

echo % create file2 on branch v1_0

cvscall -Q up -rv1_0

touch file2

cvscall -Q add file2

cvsci -m"add file2" file2

echo % create file3, file4 on branch v1_1

cvscall -Q up -rv1_1

touch file3

touch file4

cvscall -Q add file3 file4

cvsci -m"add file3, file4 on branch v1_1" file3 file4

echo % merge file2 from v1_0 to v1_1

cvscall -Q up -jv1_0

cvsci -m"MERGE from v1_0: add file2"

# Step things up a notch: now we make the history really hairy, with

# changes bouncing back and forth between trunk and v1_2 and merges

# going both ways.  (I.e., try to model the real world.)

echo "% create branch v1_2"

cvscall -Q up -A

cvscall -q tag -b v1_2

echo "% create file5 on branch v1_2"

cvscall -Q up -rv1_2

touch file5

cvs -Q add file5

cvsci -m"add file5 on v1_2"

echo "% create file6 on trunk post-v1_2"

cvscall -Q up -A

touch file6

cvscall -Q add file6

cvsci -m"add file6 on trunk post-v1_2"

echo "% merge file5 from v1_2 to trunk"

cvscall -Q up -A

cvscall -Q up -jv1_2 file5

cvsci -m"MERGE from v1_2: add file5"

echo "% merge file6 from trunk to v1_2"

cvscall -Q up -rv1_2

cvscall up -jHEAD file6

cvsci -m"MERGE from HEAD: add file6"

echo % cvs rlog output

filterpath cvscall -q rlog proj | egrep '^(RCS file|revision)'

echo "% convert to hg (#1)"

cd ..

filterpath hg convert --datesort proj proj.hg

echo "% hg glog output (#1)"

hg -R proj.hg glog --template "{rev} {desc}\n"

echo "% convert to hg (#2: with merge detection)"

filterpath hg convert \

  --config convert.cvsps.mergefrom='"^MERGE from (\S+):"' \

  --datesort \

  proj proj.hg2

echo "% hg glog output (#2)"

hg -R proj.hg2 glog --template "{rev} {desc}\n"