---
contrib/hg-to-git/hg-to-git.py | 140 ++++++++++++++++++++++++-----------------
1 file changed, 83 insertions(+), 57 deletions(-)
diff --git a/contrib/hg-to-git/hg-to-git.py b/contrib/hg-to-git/hg-to-git.py
index de3f81667ed97..9b0842c3883dc 100755
--- a/contrib/hg-to-git/hg-to-git.py
+++ b/contrib/hg-to-git/hg-to-git.py
@@ -18,14 +18,19 @@
along with this program; if not, see <http://www.gnu.org/licenses/>.
"""
-import os, os.path, sys
-import tempfile, pickle, getopt
+import os
+import os.path
+import sys
+import tempfile
+import pickle
+import getopt
+import textwrap
import re
if sys.hexversion < 0x02030000:
- # The behavior of the pickle module changed significantly in 2.3
- sys.stderr.write("hg-to-git.py: requires Python 2.3 or later.\n")
- sys.exit(1)
+ # The behavior of the pickle module changed significantly in 2.3
+ sys.stderr.write("hg-to-git.py: requires Python 2.3 or later.\n")
+ sys.exit(1)
# Maps hg version -> git version
hgvers = {}
@@ -38,29 +43,31 @@
# Number of new changesets converted from hg
hgnewcsets = 0
-#------------------------------------------------------------------------------
+# -----------------------------------------------------------------------------
+
def usage():
- print """\
-%s: [OPTIONS] <hgprj>
+ print(textwrap.dedent("""\
+ {0}: [OPTIONS] <hgprj>
-options:
- -s, --gitstate=FILE: name of the state to be saved/read
- for incrementals
- -n, --nrepack=INT: number of changesets that will trigger
- a repack (default=0, -1 to deactivate)
- -v, --verbose: be verbose
+ options:
+ -s, --gitstate=FILE: name of the state to be saved/read
+ for incrementals
+ -n, --nrepack=INT: number of changesets that will trigger
+ a repack (default=0, -1 to deactivate)
+ -v, --verbose: be verbose
-required:
- hgprj: name of the HG project to import (directory)
-""" % sys.argv[0]
+ required:
+ hgprj: name of the HG project to import (directory)
+ """).format(sys.argv[0]))
+
+# -----------------------------------------------------------------------------
-#------------------------------------------------------------------------------
def getgitenv(user, date):
env = ''
- elems = re.compile('(.*?)\s+<(.*)>').match(user)
+ elems = re.compile(r'(.*?)\s+<(.*)>').match(user)
if elems:
env += 'export GIT_AUTHOR_NAME="%s" ;' % elems.group(1)
env += 'export GIT_COMMITTER_NAME="%s" ;' % elems.group(1)
@@ -76,14 +83,16 @@ def getgitenv(user, date):
env += 'export GIT_COMMITTER_DATE="%s" ;' % date
return env
-#------------------------------------------------------------------------------
+# -----------------------------------------------------------------------------
+
state = ''
opt_nrepack = 0
verbose = False
try:
- opts, args = getopt.getopt(sys.argv[1:], 's:t:n:v', ['gitstate=', 'tempdir=', 'nrepack=', 'verbose'])
+ options = ['gitstate=', 'tempdir=', 'nrepack=', 'verbose']
+ opts, args = getopt.getopt(sys.argv[1:], 's:t:n:v', options)
for o, a in opts:
if o in ('-s', '--gitstate'):
state = a
@@ -94,7 +103,7 @@ def getgitenv(user, date):
verbose = True
if len(args) != 1:
raise Exception('params')
-except:
+except Exception:
usage()
sys.exit(1)
@@ -104,37 +113,38 @@ def getgitenv(user, date):
if state:
if os.path.exists(state):
if verbose:
- print 'State does exist, reading'
+ print('State does exist, reading')
f = open(state, 'r')
hgvers = pickle.load(f)
else:
- print 'State does not exist, first run'
+ print('State does not exist, first run')
sock = os.popen('hg tip --template "{rev}"')
tip = sock.read()
if sock.close():
sys.exit(1)
if verbose:
- print 'tip is', tip
+ print('tip is', tip)
# Calculate the branches
if verbose:
- print 'analysing the branches...'
+ print('analysing the branches...')
hgchildren["0"] = ()
hgparents["0"] = (None, None)
hgbranch["0"] = "master"
for cset in range(1, int(tip) + 1):
hgchildren[str(cset)] = ()
- prnts = os.popen('hg log -r %d --template "{parents}"' % cset).read().strip().split(' ')
+ prnts = os.popen(
+ 'hg log -r %d --template "{parents}"' % cset).read().strip().split(' ')
prnts = map(lambda x: x[:x.find(':')], prnts)
if prnts[0] != '':
parent = prnts[0].strip()
else:
parent = str(cset - 1)
- hgchildren[parent] += ( str(cset), )
+ hgchildren[parent] += (str(cset), )
if len(prnts) > 1:
mparent = prnts[1].strip()
- hgchildren[mparent] += ( str(cset), )
+ hgchildren[mparent] += (str(cset), )
else:
mparent = None
@@ -148,59 +158,65 @@ def getgitenv(user, date):
hgbranch[str(cset)] = hgbranch[parent]
else:
# Normal changesets
- # For first children, take the parent branch, for the others create a new branch
+ # For first children, take the parent branch,
+ # for the others create a new branch
if hgchildren[parent][0] == str(cset):
hgbranch[str(cset)] = hgbranch[parent]
else:
hgbranch[str(cset)] = "branch-" + str(cset)
-if not hgvers.has_key("0"):
- print 'creating repository'
+if "0" not in hgvers:
+ print('creating repository')
os.system('git init')
# loop through every hg changeset
for cset in range(int(tip) + 1):
# incremental, already seen
- if hgvers.has_key(str(cset)):
+ if str(cset) in hgvers:
continue
hgnewcsets += 1
# get info
- log_data = os.popen('hg log -r %d --template "{tags}\n{date|date}\n{author}\n"' % cset).readlines()
+ log_data = os.popen(
+ 'hg log -r %d --template "{tags}\n{date|date}\n{author}\n"' % cset
+ ).readlines()
tag = log_data[0].strip()
date = log_data[1].strip()
user = log_data[2].strip()
parent = hgparents[str(cset)][0]
mparent = hgparents[str(cset)][1]
- #get comment
+ # get comment
(fdcomment, filecomment) = tempfile.mkstemp()
- csetcomment = os.popen('hg log -r %d --template "{desc}"' % cset).read().strip()
+ csetcomment = os.popen(
+ 'hg log -r %d --template "{desc}"' % cset).read().strip()
os.write(fdcomment, csetcomment)
os.close(fdcomment)
- print '-----------------------------------------'
- print 'cset:', cset
- print 'branch:', hgbranch[str(cset)]
- print 'user:', user
- print 'date:', date
- print 'comment:', csetcomment
+ print('-----------------------------------------')
+ print('cset:', cset)
+ print('branch:', hgbranch[str(cset)])
+ print('user:', user)
+ print('date:', date)
+ print('comment:', csetcomment)
if parent:
- print 'parent:', parent
+ print('parent:', parent)
if mparent:
- print 'mparent:', mparent
+ print('mparent:', mparent)
if tag:
- print 'tag:', tag
- print '-----------------------------------------'
+ print('tag:', tag)
+ print('-----------------------------------------')
# checkout the parent if necessary
if cset != 0:
if hgbranch[str(cset)] == "branch-" + str(cset):
- print 'creating new branch', hgbranch[str(cset)]
- os.system('git checkout -b %s %s' % (hgbranch[str(cset)], hgvers[parent]))
+ print('creating new branch', hgbranch[str(cset)])
+ os.system(
+ 'git checkout -b %s %s' % (hgbranch[str(cset)], hgvers[parent])
+ )
else:
- print 'checking out branch', hgbranch[str(cset)]
+ print('checking out branch', hgbranch[str(cset)])
os.system('git checkout %s' % hgbranch[str(cset)])
# merge
@@ -209,11 +225,18 @@ def getgitenv(user, date):
otherbranch = hgbranch[mparent]
else:
otherbranch = hgbranch[parent]
- print 'merging', otherbranch, 'into', hgbranch[str(cset)]
- os.system(getgitenv(user, date) + 'git merge --no-commit -s ours "" %s %s' % (hgbranch[str(cset)], otherbranch))
+ print('merging', otherbranch, 'into', hgbranch[str(cset)])
+ mrg = 'git merge --no-commit -s ours "" %s %s' % (
+ hgbranch[str(cset)], otherbranch)
+ os.system(getgitenv(user, date) + mrg)
# remove everything except .git and .hg directories
- os.system('find . \( -path "./.hg" -o -path "./.git" \) -prune -o ! -name "." -print | xargs rm -rf')
+ xargs_rm = 'xargs rm -rf'
+ ignore_path = r'\( -path "./.hg" -o -path "./.git" \)'
+ rm_all = r'find . {0} -prune -o ! -name "." -print | {1}'.format(
+ ignore_path,
+ xargs_rm)
+ os.system(rm_all)
# repopulate with checkouted files
os.system('hg update -C %d' % cset)
@@ -221,10 +244,13 @@ def getgitenv(user, date):
# add new files
os.system('git ls-files -x .hg --others | git update-index --add --stdin')
# delete removed files
- os.system('git ls-files -x .hg --deleted | git update-index --remove --stdin')
+ rm_f = 'git ls-files -x .hg --deleted | git update-index --remove --stdin'
+ os.system(rm_f)
# commit
- os.system(getgitenv(user, date) + 'git commit --allow-empty --allow-empty-message -a -F %s' % filecomment)
+ commit = 'git commit --allow-empty --allow-empty-message -a -F {}'.format(
+ filecomment)
+ os.system(getgitenv(user, date) + commit)
os.unlink(filecomment)
# tag
@@ -233,12 +259,12 @@ def getgitenv(user, date):
# delete branch if not used anymore...
if mparent and len(hgchildren[str(cset)]):
- print "Deleting unused branch:", otherbranch
+ print("Deleting unused branch:", otherbranch)
os.system('git branch -d %s' % otherbranch)
# retrieve and record the version
vvv = os.popen('git show --quiet --pretty=format:%H').read()
- print 'record', cset, '->', vvv
+ print('record', cset, '->', vvv)
hgvers[str(cset)] = vvv
if hgnewcsets >= opt_nrepack and opt_nrepack != -1:
@@ -247,7 +273,7 @@ def getgitenv(user, date):
# write the state for incrementals
if state:
if verbose:
- print 'Writing state'
+ print('Writing state')
f = open(state, 'w')
pickle.dump(hgvers, f)
--
https://github.com/git/git/pull/458
