summaryrefslogtreecommitdiff
path: root/contrib/fast-import
diff options
context:
space:
mode:
Diffstat (limited to 'contrib/fast-import')
-rwxr-xr-xcontrib/fast-import/git-import.perl64
-rwxr-xr-xcontrib/fast-import/git-import.sh38
-rwxr-xr-xcontrib/fast-import/git-p4343
3 files changed, 315 insertions, 130 deletions
diff --git a/contrib/fast-import/git-import.perl b/contrib/fast-import/git-import.perl
new file mode 100755
index 0000000000..f9fef6db28
--- /dev/null
+++ b/contrib/fast-import/git-import.perl
@@ -0,0 +1,64 @@
+#!/usr/bin/perl
+#
+# Performs an initial import of a directory. This is the equivalent
+# of doing 'git init; git add .; git commit'. It's a little slower,
+# but is meant to be a simple fast-import example.
+
+use strict;
+use File::Find;
+
+my $USAGE = 'Usage: git-import branch import-message';
+my $branch = shift or die "$USAGE\n";
+my $message = shift or die "$USAGE\n";
+
+chomp(my $username = `git config user.name`);
+chomp(my $email = `git config user.email`);
+die 'You need to set user name and email'
+ unless $username && $email;
+
+system('git init');
+open(my $fi, '|-', qw(git fast-import --date-format=now))
+ or die "unable to spawn fast-import: $!";
+
+print $fi <<EOF;
+commit refs/heads/$branch
+committer $username <$email> now
+data <<MSGEOF
+$message
+MSGEOF
+
+EOF
+
+find(
+ sub {
+ if($File::Find::name eq './.git') {
+ $File::Find::prune = 1;
+ return;
+ }
+ return unless -f $_;
+
+ my $fn = $File::Find::name;
+ $fn =~ s#^.\/##;
+
+ open(my $in, '<', $_)
+ or die "unable to open $fn: $!";
+ my @st = stat($in)
+ or die "unable to stat $fn: $!";
+ my $len = $st[7];
+
+ print $fi "M 644 inline $fn\n";
+ print $fi "data $len\n";
+ while($len > 0) {
+ my $r = read($in, my $buf, $len < 4096 ? $len : 4096);
+ defined($r) or die "read error from $fn: $!";
+ $r > 0 or die "premature EOF from $fn: $!";
+ print $fi $buf;
+ $len -= $r;
+ }
+ print $fi "\n";
+
+ }, '.'
+);
+
+close($fi);
+exit $?;
diff --git a/contrib/fast-import/git-import.sh b/contrib/fast-import/git-import.sh
new file mode 100755
index 0000000000..0ca7718d05
--- /dev/null
+++ b/contrib/fast-import/git-import.sh
@@ -0,0 +1,38 @@
+#!/bin/sh
+#
+# Performs an initial import of a directory. This is the equivalent
+# of doing 'git init; git add .; git commit'. It's a lot slower,
+# but is meant to be a simple fast-import example.
+
+if [ -z "$1" -o -z "$2" ]; then
+ echo "Usage: git-import branch import-message"
+ exit 1
+fi
+
+USERNAME="$(git config user.name)"
+EMAIL="$(git config user.email)"
+
+if [ -z "$USERNAME" -o -z "$EMAIL" ]; then
+ echo "You need to set user name and email"
+ exit 1
+fi
+
+git init
+
+(
+ cat <<EOF
+commit refs/heads/$1
+committer $USERNAME <$EMAIL> now
+data <<MSGEOF
+$2
+MSGEOF
+
+EOF
+ find * -type f|while read i;do
+ echo "M 100644 inline $i"
+ echo data $(stat -c '%s' "$i")
+ cat "$i"
+ echo
+ done
+ echo
+) | git fast-import --date-format=now
diff --git a/contrib/fast-import/git-p4 b/contrib/fast-import/git-p4
index 65c57ac4d8..52cd2a46ba 100755
--- a/contrib/fast-import/git-p4
+++ b/contrib/fast-import/git-p4
@@ -289,6 +289,19 @@ def createOrUpdateBranchesFromOrigin(localRefPrefix = "refs/remotes/p4/", silent
def originP4BranchesExist():
return gitBranchExists("origin") or gitBranchExists("origin/p4") or gitBranchExists("origin/p4/master")
+def p4ChangesForPaths(depotPaths, changeRange):
+ assert depotPaths
+ output = read_pipe_lines("p4 changes " + ' '.join (["%s...%s" % (p, changeRange)
+ for p in depotPaths]))
+
+ changes = []
+ for line in output:
+ changeNum = line.split(" ")[1]
+ changes.append(int(changeNum))
+
+ changes.sort()
+ return changes
+
class Command:
def __init__(self):
self.usage = "usage: %prog [options]"
@@ -672,9 +685,8 @@ class P4Submit(Command):
f.close();
os.chdir(self.clientPath)
- response = raw_input("Do you want to sync %s with p4 sync? [y]es/[n]o " % self.clientPath)
- if response == "y" or response == "yes":
- system("p4 sync ...")
+ print "Syncronizing p4 checkout..."
+ system("p4 sync ...")
if self.reset:
self.firstTime = True
@@ -713,10 +725,14 @@ class P4Submit(Command):
else:
print "All changes applied!"
os.chdir(self.oldWorkingDirectory)
- response = raw_input("Do you want to sync from Perforce now using git-p4 rebase? [y]es/[n]o ")
+
+ sync = P4Sync()
+ sync.run([])
+
+ response = raw_input("Do you want to rebase current HEAD from Perforce now using git-p4 rebase? [y]es/[n]o ")
if response == "y" or response == "yes":
rebase = P4Rebase()
- rebase.run([])
+ rebase.rebase()
os.remove(self.configFile)
return True
@@ -1110,6 +1126,186 @@ class P4Sync(Command):
self.keepRepoPath = (d.has_key('options')
and ('keepRepoPath' in d['options']))
+ def gitRefForBranch(self, branch):
+ if branch == "main":
+ return self.refPrefix + "master"
+
+ if len(branch) <= 0:
+ return branch
+
+ return self.refPrefix + self.projectName + branch
+
+ def gitCommitByP4Change(self, ref, change):
+ if self.verbose:
+ print "looking in ref " + ref + " for change %s using bisect..." % change
+
+ earliestCommit = ""
+ latestCommit = parseRevision(ref)
+
+ while True:
+ if self.verbose:
+ print "trying: earliest %s latest %s" % (earliestCommit, latestCommit)
+ next = read_pipe("git rev-list --bisect %s %s" % (latestCommit, earliestCommit)).strip()
+ if len(next) == 0:
+ if self.verbose:
+ print "argh"
+ return ""
+ log = extractLogMessageFromGitCommit(next)
+ settings = extractSettingsGitLog(log)
+ currentChange = int(settings['change'])
+ if self.verbose:
+ print "current change %s" % currentChange
+
+ if currentChange == change:
+ if self.verbose:
+ print "found %s" % next
+ return next
+
+ if currentChange < change:
+ earliestCommit = "^%s" % next
+ else:
+ latestCommit = "%s" % next
+
+ return ""
+
+ def importNewBranch(self, branch, maxChange):
+ # make fast-import flush all changes to disk and update the refs using the checkpoint
+ # command so that we can try to find the branch parent in the git history
+ self.gitStream.write("checkpoint\n\n");
+ self.gitStream.flush();
+ branchPrefix = self.depotPaths[0] + branch + "/"
+ range = "@1,%s" % maxChange
+ #print "prefix" + branchPrefix
+ changes = p4ChangesForPaths([branchPrefix], range)
+ if len(changes) <= 0:
+ return False
+ firstChange = changes[0]
+ #print "first change in branch: %s" % firstChange
+ sourceBranch = self.knownBranches[branch]
+ sourceDepotPath = self.depotPaths[0] + sourceBranch
+ sourceRef = self.gitRefForBranch(sourceBranch)
+ #print "source " + sourceBranch
+
+ branchParentChange = int(p4Cmd("changes -m 1 %s...@1,%s" % (sourceDepotPath, firstChange))["change"])
+ #print "branch parent: %s" % branchParentChange
+ gitParent = self.gitCommitByP4Change(sourceRef, branchParentChange)
+ if len(gitParent) > 0:
+ self.initialParents[self.gitRefForBranch(branch)] = gitParent
+ #print "parent git commit: %s" % gitParent
+
+ self.importChanges(changes)
+ return True
+
+ def importChanges(self, changes):
+ cnt = 1
+ for change in changes:
+ description = p4Cmd("describe %s" % change)
+ self.updateOptionDict(description)
+
+ if not self.silent:
+ sys.stdout.write("\rImporting revision %s (%s%%)" % (change, cnt * 100 / len(changes)))
+ sys.stdout.flush()
+ cnt = cnt + 1
+
+ try:
+ if self.detectBranches:
+ branches = self.splitFilesIntoBranches(description)
+ for branch in branches.keys():
+ ## HACK --hwn
+ branchPrefix = self.depotPaths[0] + branch + "/"
+
+ parent = ""
+
+ filesForCommit = branches[branch]
+
+ if self.verbose:
+ print "branch is %s" % branch
+
+ self.updatedBranches.add(branch)
+
+ if branch not in self.createdBranches:
+ self.createdBranches.add(branch)
+ parent = self.knownBranches[branch]
+ if parent == branch:
+ parent = ""
+ else:
+ fullBranch = self.projectName + branch
+ if fullBranch not in self.p4BranchesInGit:
+ if not self.silent:
+ print("\n Importing new branch %s" % fullBranch);
+ if self.importNewBranch(branch, change - 1):
+ parent = ""
+ self.p4BranchesInGit.append(fullBranch)
+ if not self.silent:
+ print("\n Resuming with change %s" % change);
+
+ if self.verbose:
+ print "parent determined through known branches: %s" % parent
+
+ branch = self.gitRefForBranch(branch)
+ parent = self.gitRefForBranch(parent)
+
+ if self.verbose:
+ print "looking for initial parent for %s; current parent is %s" % (branch, parent)
+
+ if len(parent) == 0 and branch in self.initialParents:
+ parent = self.initialParents[branch]
+ del self.initialParents[branch]
+
+ self.commit(description, filesForCommit, branch, [branchPrefix], parent)
+ else:
+ files = self.extractFilesFromCommit(description)
+ self.commit(description, files, self.branch, self.depotPaths,
+ self.initialParent)
+ self.initialParent = ""
+ except IOError:
+ print self.gitError.read()
+ sys.exit(1)
+
+ def importHeadRevision(self, revision):
+ print "Doing initial import of %s from revision %s into %s" % (' '.join(self.depotPaths), revision, self.branch)
+
+ details = { "user" : "git perforce import user", "time" : int(time.time()) }
+ details["desc"] = ("Initial import of %s from the state at revision %s"
+ % (' '.join(self.depotPaths), revision))
+ details["change"] = revision
+ newestRevision = 0
+
+ fileCnt = 0
+ for info in p4CmdList("files "
+ + ' '.join(["%s...%s"
+ % (p, revision)
+ for p in self.depotPaths])):
+
+ if info['code'] == 'error':
+ sys.stderr.write("p4 returned an error: %s\n"
+ % info['data'])
+ sys.exit(1)
+
+
+ change = int(info["change"])
+ if change > newestRevision:
+ newestRevision = change
+
+ if info["action"] == "delete":
+ # don't increase the file cnt, otherwise details["depotFile123"] will have gaps!
+ #fileCnt = fileCnt + 1
+ continue
+
+ for prop in ["depotFile", "rev", "action", "type" ]:
+ details["%s%s" % (prop, fileCnt)] = info[prop]
+
+ fileCnt = fileCnt + 1
+
+ details["change"] = newestRevision
+ self.updateOptionDict(details)
+ try:
+ self.commit(details, self.extractFilesFromCommit(details), self.branch, self.depotPaths)
+ except IOError:
+ print "IO error with git fast-import. Is your git version recent enough?"
+ print self.gitError.read()
+
+
def run(self, args):
self.depotPaths = []
self.changeRange = ""
@@ -1207,7 +1403,7 @@ class P4Sync(Command):
self.depotPaths = sorted(args)
- self.revision = ""
+ revision = ""
self.users = {}
newPaths = []
@@ -1218,15 +1414,15 @@ class P4Sync(Command):
if self.changeRange == "@all":
self.changeRange = ""
elif ',' not in self.changeRange:
- self.revision = self.changeRange
+ revision = self.changeRange
self.changeRange = ""
p = p[:atIdx]
elif p.find("#") != -1:
hashIdx = p.index("#")
- self.revision = p[hashIdx:]
+ revision = p[hashIdx:]
p = p[:hashIdx]
elif self.previousDepotPaths == []:
- self.revision = "#head"
+ revision = "#head"
p = re.sub ("\.\.\.$", "", p)
if not p.endswith("/"):
@@ -1267,49 +1463,8 @@ class P4Sync(Command):
self.gitStream = importProcess.stdin
self.gitError = importProcess.stderr
- if self.revision:
- print "Doing initial import of %s from revision %s into %s" % (' '.join(self.depotPaths), self.revision, self.branch)
-
- details = { "user" : "git perforce import user", "time" : int(time.time()) }
- details["desc"] = ("Initial import of %s from the state at revision %s"
- % (' '.join(self.depotPaths), self.revision))
- details["change"] = self.revision
- newestRevision = 0
-
- fileCnt = 0
- for info in p4CmdList("files "
- + ' '.join(["%s...%s"
- % (p, self.revision)
- for p in self.depotPaths])):
-
- if info['code'] == 'error':
- sys.stderr.write("p4 returned an error: %s\n"
- % info['data'])
- sys.exit(1)
-
-
- change = int(info["change"])
- if change > newestRevision:
- newestRevision = change
-
- if info["action"] == "delete":
- # don't increase the file cnt, otherwise details["depotFile123"] will have gaps!
- #fileCnt = fileCnt + 1
- continue
-
- for prop in ["depotFile", "rev", "action", "type" ]:
- details["%s%s" % (prop, fileCnt)] = info[prop]
-
- fileCnt = fileCnt + 1
-
- details["change"] = newestRevision
- self.updateOptionDict(details)
- try:
- self.commit(details, self.extractFilesFromCommit(details), self.branch, self.depotPaths)
- except IOError:
- print "IO error with git fast-import. Is your git version recent enough?"
- print self.gitError.read()
-
+ if revision:
+ self.importHeadRevision(revision)
else:
changes = []
@@ -1327,15 +1482,7 @@ class P4Sync(Command):
if self.verbose:
print "Getting p4 changes for %s...%s" % (', '.join(self.depotPaths),
self.changeRange)
- assert self.depotPaths
- output = read_pipe_lines("p4 changes " + ' '.join (["%s...%s" % (p, self.changeRange)
- for p in self.depotPaths]))
-
- for line in output:
- changeNum = line.split(" ")[1]
- changes.append(int(changeNum))
-
- changes.sort()
+ changes = p4ChangesForPaths(self.depotPaths, self.changeRange)
if len(self.maxChanges) > 0:
changes = changes[:min(int(self.maxChanges), len(changes))]
@@ -1350,74 +1497,7 @@ class P4Sync(Command):
self.updatedBranches = set()
- cnt = 1
- for change in changes:
- description = p4Cmd("describe %s" % change)
- self.updateOptionDict(description)
-
- if not self.silent:
- sys.stdout.write("\rImporting revision %s (%s%%)" % (change, cnt * 100 / len(changes)))
- sys.stdout.flush()
- cnt = cnt + 1
-
- try:
- if self.detectBranches:
- branches = self.splitFilesIntoBranches(description)
- for branch in branches.keys():
- ## HACK --hwn
- branchPrefix = self.depotPaths[0] + branch + "/"
-
- parent = ""
-
- filesForCommit = branches[branch]
-
- if self.verbose:
- print "branch is %s" % branch
-
- self.updatedBranches.add(branch)
-
- if branch not in self.createdBranches:
- self.createdBranches.add(branch)
- parent = self.knownBranches[branch]
- if parent == branch:
- parent = ""
- elif self.verbose:
- print "parent determined through known branches: %s" % parent
-
- # main branch? use master
- if branch == "main":
- branch = "master"
- else:
-
- ## FIXME
- branch = self.projectName + branch
-
- if parent == "main":
- parent = "master"
- elif len(parent) > 0:
- ## FIXME
- parent = self.projectName + parent
-
- branch = self.refPrefix + branch
- if len(parent) > 0:
- parent = self.refPrefix + parent
-
- if self.verbose:
- print "looking for initial parent for %s; current parent is %s" % (branch, parent)
-
- if len(parent) == 0 and branch in self.initialParents:
- parent = self.initialParents[branch]
- del self.initialParents[branch]
-
- self.commit(description, filesForCommit, branch, [branchPrefix], parent)
- else:
- files = self.extractFilesFromCommit(description)
- self.commit(description, files, self.branch, self.depotPaths,
- self.initialParent)
- self.initialParent = ""
- except IOError:
- print self.gitError.read()
- sys.exit(1)
+ self.importChanges(changes)
if not self.silent:
print ""
@@ -1427,7 +1507,6 @@ class P4Sync(Command):
sys.stdout.write("%s " % b)
sys.stdout.write("\n")
-
self.gitStream.close()
if importProcess.wait() != 0:
die("fast-import failed: %s" % self.gitError.read())
@@ -1448,6 +1527,9 @@ class P4Rebase(Command):
sync = P4Sync()
sync.run([])
+ return self.rebase()
+
+ def rebase(self):
[upstream, settings] = findUpstreamBranchPoint()
if len(upstream) == 0:
die("Cannot find upstream branchpoint for rebase")
@@ -1569,6 +1651,7 @@ def printUsage(commands):
commands = {
"debug" : P4Debug,
"submit" : P4Submit,
+ "commit" : P4Submit,
"sync" : P4Sync,
"rebase" : P4Rebase,
"clone" : P4Clone,
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 12:25:59 +0000