stash: rework to do per-hunk processing

This commit is contained in:
Josh Holtrop 2013-03-11 20:49:11 -04:00
parent 3c0375891a
commit 0587d73472

213
jsvn
View File

@ -16,6 +16,7 @@ import types
import getopt import getopt
import signal import signal
import platform import platform
import tempfile
STATUS_LINE_REGEX = r'[ACDIMRX?!~ ][CM ][L ][+ ][SX ][KOTB ]..(.+)' STATUS_LINE_REGEX = r'[ACDIMRX?!~ ][CM ][L ][+ ][SX ][KOTB ]..(.+)'
@ -1233,88 +1234,158 @@ def revert_h(argv, svn, out, config):
break break
return RET_OK if did_something else RET_REEXEC return RET_OK if did_something else RET_REEXEC
def stash_save_h(args, svn, out, config, keep_wc, patch): def get_svn_contents_to_stash(targets, svn, out, keep, patch):
s_fd, s_fname = tempfile.mkstemp(prefix = 'svn.stash.')
r_fd, r_fname = tempfile.mkstemp(prefix = 'svn.stash.')
os.close(s_fd)
os.close(r_fd)
s_fh = open(s_fname, 'w')
r_fh = open(r_fname, 'w')
svars = {
'revert_list': [],
'skip_all': not patch,
'skip_file': True,
'answer': 'y',
'index_header': '',
'hunk_buildup': '',
'index_fname': '',
'prompted_for_index': '',
'quit': False,
'wrote_index_sf': False,
'wrote_index_rf': False,
'binary_file': False,
'n_insertions': 0,
'n_deletions': 0,
}
def update_answer():
if not patch:
svars['answer'] = 'y'
return
if svars['skip_file'] or svars['skip_all']:
return
if not svars['prompted_for_index']:
out.write(svars['index_header'])
svars['prompted_for_index'] = True
for li in svars['hunk_buildup'].rstrip().split('\n'):
colordiff(out, li)
answer = ''
answers = ('y', 'n', 'yf', 'nf', 'ya', 'na', 'q', '?')
while answer not in answers:
out.write('Stash this hunk (%s)? ' % ','.join(answers))
answer = sys.stdin.readline().rstrip().lower()
if answer == '?':
out.write('''y: yes, stash this hunk
n: no, do not stash this hunk
yf: yes, and stash every hunk from the rest of this file
nf: no, and do not stash any hunk from the rest of this file
ya: yes, and stash every remaining hunk
na: no, and do not stash any remaining hunks
q: quit and abort stash
?: show this help
''')
answer = ''
if answer == 'q':
svars['quit'] = True
elif answer[1:] == 'a':
svars['skip_all'] = True
elif answer[1:] == 'f':
svars['skip_file'] = True
svars['answer'] = answer[:1]
def flush_hunk():
if svars['hunk_buildup'] != '':
update_answer()
if svars['answer'] == 'y':
if not svars['wrote_index_sf']:
s_fh.write(svars['index_header'])
svars['wrote_index_sf'] = True
s_fh.write(svars['hunk_buildup'])
elif svars['answer'] == 'n':
if not svars['wrote_index_rf']:
r_fh.write(svars['index_header'])
svars['wrote_index_rf'] = True
r_fh.write(svars['hunk_buildup'])
svars['hunk_buildup'] = ''
def flush_file(new_file_name):
if svars['binary_file']:
ansi_color(out, 'yellow', bold=True)
out.write('Warning: not stashing binary file %s' % svars['index_fname'])
ansi_reset(out)
out.write('\n')
else:
flush_hunk()
if svars['wrote_index_sf']:
svars['revert_list'].append(svars['index_fname'])
svars['skip_file'] = False
svars['hunk_buildup'] = ''
svars['index_fname'] = new_file_name
svars['binary_file'] = False
diff_proc = Popen([svn, 'diff'] + targets, stdout=PIPE)
for line in iter(diff_proc.stdout.readline, ''):
m = re.match(r'Index: (.*)', line)
if m is not None:
flush_file(m.group(1))
svars['index_header'] = line
elif (re.match(r'=+$', line) or
re.match(r'--- ', line) or
re.match(r'\+\+\+ ', line)):
svars['index_header'] += line
elif (re.match(r'@@ ', line) or re.match(r'Property.changes.on:', line)):
flush_hunk()
svars['hunk_buildup'] = line
elif re.match(r'Cannot display: file.marked.as.a.binary.type', line):
svars['binary_file'] = True
else:
svars['hunk_buildup'] += line
if svars['quit']:
break
flush_file('')
s_fh.close()
r_fh.close()
if svars['quit']:
svars['revert_list'] = []
return s_fname, r_fname, svars['revert_list'], svars['n_insertions'], svars['n_deletions']
def stash_save_h(args, svn, out, config, keep, patch):
owd = os.getcwd() owd = os.getcwd()
wc_dir = get_svn_wc_root(svn) wc_dir = get_svn_wc_root(svn)
os.chdir(wc_dir) os.chdir(wc_dir)
s_fname, r_fname, revert_list, n_insertions, n_deletions = \
get_svn_contents_to_stash(args, svn, out, keep, patch)
if len(revert_list) == 0:
out.write('No changes stashed.\n')
else:
for rf in revert_list:
Popen([svn, 'revert', rf], stdout=PIPE).wait()
if r_fname != '':
Popen([svn, 'patch', r_fname], stdout=PIPE).wait()
if s_fname != '':
stash_idx = get_next_stash_idx(svn) stash_idx = get_next_stash_idx(svn)
stash_fname = get_stash_fname(svn, stash_idx) stash_fname = get_stash_fname(svn, stash_idx)
fh = open(stash_fname, 'w') stash_fh = open(stash_fname, 'w')
proc = Popen([svn, 'diff'], stdout=PIPE) s_fh = open(s_fname, 'r')
wrote_something = False for line in iter(s_fh.readline, ''):
found_binary_file = False stash_fh.write(line)
n_insertions = 0 s_fh.close()
n_deletions = 0
for line in iter(proc.stdout.readline, ''):
if re.match(r'Cannot.display..file.marked.as.a.binary.type',
line, flags=re.I):
found_binary_file = True
if line.startswith('-') and not line.startswith('---'):
n_deletions += 1
if line.startswith('+') and not line.startswith('+++'):
n_insertions += 1
fh.write(line)
wrote_something = True
proc.wait()
if found_binary_file:
out.write('Error: cannot stash with changes to binary files\n')
fh.close()
os.unlink(stash_fname)
elif not wrote_something:
out.write('Error: no changes to stash!\n')
fh.close()
os.unlink(stash_fname)
else:
# the stash is good, now revert the working copy changes
status_lines = Popen([svn, 'status', '--ignore-externals'],
stdout=PIPE).communicate()[0].split('\n')
files_changed = {}
for line in reversed(status_lines):
m = re.match(STATUS_LINE_REGEX, line)
if m is not None:
target = m.group(1)
action = line[0]
prop_action = line[1]
if (action in ('A', 'M', 'D')
or prop_action == 'M'):
if action != ' ':
files_changed[target] = action
else:
files_changed[target] = prop_action
if not keep_wc:
# do the actual revert if -k not given
Popen([svn, 'revert', target], stdout=PIPE).wait()
if action == 'A':
# a file was added, so to stash it we must
# remove it in addition to reverting the add
if os.path.isfile(target):
os.unlink(target)
elif os.path.isdir(target):
if len(os.listdir(target)) == 0:
os.rmdir(target)
else:
raise ValueError('unhandled target type')
# write stash info # write stash info
if len(files_changed) == 1:
fname = files_changed.keys()[0]
fh.write('#info: %s: %s\n' % (files_changed[fname], fname))
else:
num_actions = {'A': 0, 'M': 0, 'D': 0}
for k in files_changed:
if files_changed[k] in num_actions:
num_actions[files_changed[k]] += 1
for a in num_actions:
if num_actions[a] > 0:
fh.write('#info: %s: %d\n' % (a, num_actions[a]))
if n_deletions > 0: if n_deletions > 0:
fh.write('#info: -%d\n' % n_deletions) stash_fh.write('#info: -%d\n' % n_deletions)
if n_insertions > 0: if n_insertions > 0:
fh.write('#info: +%d\n' % n_insertions) stash_fh.write('#info: +%d\n' % n_insertions)
now = datetime.datetime.now() now = datetime.datetime.now()
fh.write('#info: @%04d-%02d-%02d %02d:%02d\n' % stash_fh.write('#info: @%04d-%02d-%02d %02d:%02d\n' %
(now.year, now.month, now.day, now.hour, now.minute)) (now.year, now.month, now.day, now.hour, now.minute))
fh.close() stash_fh.close()
out.write('Created stash %d\n' % stash_idx) out.write('Created stash %d\n' % stash_idx)
if s_fname != '':
os.unlink(s_fname)
if r_fname != '':
os.unlink(r_fname)
os.chdir(owd) os.chdir(owd)
return RET_OK return RET_OK