com.dkirrane.gitflow.groovy.conflicts.FixPomMergeConflicts.groovy Maven / Gradle / Ivy
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/*
* Copyright (C) 2014 Desmond Kirrane
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see (.*?)<\/version>\s*$/
log.debug "Versions:"
def ourVersionTag = matcher[0][0]
log.debug "Ours Tag " + ourVersionTag
def ourVersion = matcher[0][1]
log.info "Ours [" + ourVersion + "]"
def theirVersionTag = matcher[1][0]
log.debug "Theirs Tag " + theirVersionTag
def theirVersion = matcher[1][1]
log.info "Theirs [" + theirVersion + "]"
ComparableVersion ours = new ComparableVersion(ourVersion)
log.debug "Our ComparableVersion [" + ours.toString() + "]"
ComparableVersion theirs = new ComparableVersion(theirVersion)
log.debug "Their ComparableVersion [" + theirs.toString() + "]"
int compared = ours.compareTo(theirs)
log.debug "Compared: " + compared
if(compared >= 0){
return ourVersionTag
} else {
return theirVersionTag
}
}
void resolveConflicts2() throws GitflowException, GitflowMergeConflictException {
log.debug "Checking for conflicts to resolve in ${init.repoDir}"
def conflicts = init.gitMergeConflicts()
log.debug "Merge conflicts ${conflicts}"
def pomFiles = conflicts.findAll { it.name =~ /pom\.xml$/ }
log.debug "POM files ${pomFiles}"
pomFiles.each() { pom ->
def tmpFile = File.createTempFile('fixPomVersionConflicts', '.xml')
log.info tmpFile.absolutePath
List lines = pom.readLines()
State state = State.NORMAL_LINE
def conflict
def outstandingConflicts = false
lines.eachWithIndex { line, lineNo ->
log.debug "${lineNo}: ${line}"
if (line =~ /^<{7}/) {
if(state != State.NORMAL_LINE) {
throw new GitflowException("Encountered conflict start marker at line ${lineNo + 1}, but conflict at line ${conflict[lineNum]}")
}
state = State.OUR_LINE
conflict = [ lineNum: lineNo + 1 ]
} else if (line =~ /^={7}/) {
if(state != State.OUR_LINE) {
throw new GitflowException("Encountered conflict separator at line ${lineNo}, but no conflict start marker found on previous lines")
}
state = State.THEIR_LINE
} else if (line =~ /^>{7}/) {
if(state != State.THEIR_LINE) {
throw new GitflowException("Encountered conflict end marker at line ${lineNo}, but no conflict separator on previous lines")
}
def ourChange = conflict[State.OUR_LINE.name()]
def theirChange = conflict[State.THEIR_LINE.name()]
def leftVersion = parseVersion(ourChange)
log.debug "leftVersion = [" + leftVersion + "]"
def rightVersion = parseVersion(theirChange)
log.debug "rightVersion = [" + rightVersion + "]"
if (!leftVersion?.trim() || !rightVersion?.trim()) {
log.debug "Skipping conflict at line ${conflict[lineNum]} as it contains more than conflicting versions"
def format = formatConflict(conflict)
log.debug "Conflict " + format
tmpFile.append format + "\n"
outstandingConflicts = true
} else {
Integer compared = compareVersions(leftVersion, rightVersion)
if(compared >= 0){
log.debug "Resolved conflict using ours: " + ourChange
tmpFile.append ourChange + "\n"
} else {
log.debug "Resolved conflict using theirs: " + theirChange
tmpFile.append theirChange + "\n"
}
}
state = State.NORMAL_LINE
} else {
if(state != State.NORMAL_LINE){
log.debug "State = ${state.name()}"
def key = state.name()
if(!conflict[key]) {
conflict[key] = ""
}
conflict[key] += line
}
else {
tmpFile.append line + "\n"
}
}
}
log.debug "Temp file:\n" + tmpFile.text
if(state != State.NORMAL_LINE) {
throw new GitflowException("Unclosed conflict marker at line ${conflict[lineNo]}")
}
if (null != conflict) {
pom.renameTo(new File(pom.parent, "pom.xml.orig"))
tmpFile.renameTo(new File(pom.parent, "pom.xml"))
if(!outstandingConflicts) {
init.executeLocal("git add ${pom.path}")
def resolveMsg = "${msgPrefix}Auto-resolve pom version conflicts${msgSuffix}"
init.executeLocal(["git", "commit", "-m '${resolveMsg}'"])
}
} else {
tmpFile.delete()
}
}
}
def String parseVersion(text) {
def matcher = text =~ /^\s*\s*(.*?)\s*<\/version>\s*$/
log.debug "Versions:"
def versionTag = null
def version = null
if(matcher[0]){
versionTag = matcher[0][0]
log.debug "Version Tag " + versionTag
version = matcher[0][1]
log.debug "Version [" + version + "]"
}
return version
}
def Integer compareVersions(String ourVersion, String theirVersion) {
ComparableVersion ours = new ComparableVersion(ourVersion)
log.debug "Our ComparableVersion [" + ours.toString() + "]"
ComparableVersion theirs = new ComparableVersion(theirVersion)
log.debug "Their ComparableVersion [" + theirs.toString() + "]"
int compared = ours.compareTo(theirs)
log.debug "Compared: " + compared
return compared
}
def String formatConflict(conflict){
def format =\
"<<<<<<<\n" +
"${conflict[State.OUR_LINE.name()]}\n" +
"=======\n" +
"${conflict[State.THEIR_LINE.name()]}\n" +
">>>>>>>\n"
return format
}
}