Mercurial > public > mercurial-scm > hg-stable
annotate mercurial/commands.py @ 214:2d60aa9bde0a
catch TERM signal in command processor
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catch TERM signal in command processor
This keeps kill from interrupting a transaction without cleanup.
manifest hash: c50091696a3396dfed5c3168bd9e0d94c457a04b
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| author | mpm@selenic.com |
|---|---|
| date | Wed, 01 Jun 2005 13:04:13 -0800 |
| parents | d2172916ef6c |
| children | 8ff4532376a4 |
| rev | line source |
|---|---|
| 214 | 1 import os, re, traceback, sys, signal |
| 209 | 2 from mercurial import fancyopts, ui, hg |
| 3 | |
| 4 class UnknownCommand(Exception): pass | |
| 5 | |
| 213 | 6 def filterfiles(list, files): |
| 7 l = [ x for x in list if x in files ] | |
| 8 | |
| 9 for f in files: | |
| 10 if f[-1] != os.sep: f += os.sep | |
| 11 l += [ x for x in list if x.startswith(f) ] | |
| 12 return l | |
| 13 | |
| 14 def relfilter(repo, args): | |
| 15 if os.getcwd() != repo.root: | |
| 16 p = os.getcwd()[len(repo.root) + 1: ] | |
| 17 return filterfiles(p, args) | |
| 18 return args | |
| 19 | |
| 209 | 20 def relpath(repo, args): |
| 21 if os.getcwd() != repo.root: | |
| 22 p = os.getcwd()[len(repo.root) + 1: ] | |
| 23 return [ os.path.join(p, x) for x in args ] | |
| 24 return args | |
| 25 | |
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26 def help(ui, cmd=None): |
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27 '''show help''' |
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28 if cmd: |
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29 try: |
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30 i = find(cmd) |
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31 ui.write("%s\n\n" % i[2]) |
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32 ui.write(i[0].__doc__, "\n") |
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33 except UnknownCommand: |
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34 ui.warn("unknown command %s", cmd) |
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35 sys.exit(0) |
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36 |
| 209 | 37 ui.status("""\ |
| 38 hg commands: | |
| 39 | |
| 40 add [files...] add the given files in the next commit | |
| 41 addremove add all new files, delete all missing files | |
| 42 annotate [files...] show changeset number per file line | |
| 43 branch <path> create a branch of <path> in this directory | |
| 44 checkout [changeset] checkout the latest or given changeset | |
| 45 commit commit all changes to the repository | |
| 46 diff [files...] diff working directory (or selected files) | |
| 47 dump <file> [rev] dump the latest or given revision of a file | |
| 48 dumpmanifest [rev] dump the latest or given revision of the manifest | |
| 49 export <rev> dump the changeset header and diffs for a revision | |
| 50 history show changeset history | |
| 51 init create a new repository in this directory | |
| 52 log <file> show revision history of a single file | |
| 53 merge <path> merge changes from <path> into local repository | |
| 54 recover rollback an interrupted transaction | |
| 55 remove [files...] remove the given files in the next commit | |
| 56 serve export the repository via HTTP | |
| 57 status show new, missing, and changed files in working dir | |
| 58 tags show current changeset tags | |
| 59 undo undo the last transaction | |
| 60 """) | |
| 61 | |
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62 def init(ui): |
| 209 | 63 """create a repository""" |
| 64 hg.repository(ui, ".", create=1) | |
| 65 | |
| 213 | 66 def branch(ui, path): |
| 67 '''branch from a local repository''' | |
| 68 # this should eventually support remote repos | |
| 69 os.system("cp -al %s/.hg .hg" % path) | |
| 70 | |
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71 def checkout(u, repo, changeset=None): |
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72 '''checkout a given changeset or the current tip''' |
| 209 | 73 node = repo.changelog.tip() |
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74 if changeset: |
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75 node = repo.lookup(changeset) |
| 209 | 76 repo.checkout(node) |
| 77 | |
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78 def annotate(u, repo, *args, **ops): |
| 209 | 79 def getnode(rev): |
| 80 return hg.short(repo.changelog.node(rev)) | |
| 81 | |
| 82 def getname(rev): | |
| 83 try: | |
| 84 return bcache[rev] | |
| 85 except KeyError: | |
| 86 cl = repo.changelog.read(repo.changelog.node(rev)) | |
| 87 name = cl[1] | |
| 88 f = name.find('@') | |
| 89 if f >= 0: | |
| 90 name = name[:f] | |
| 91 bcache[rev] = name | |
| 92 return name | |
| 93 | |
| 94 bcache = {} | |
| 95 opmap = [['user', getname], ['number', str], ['changeset', getnode]] | |
| 96 if not ops['user'] and not ops['changeset']: | |
| 97 ops['number'] = 1 | |
| 98 | |
| 99 args = relpath(repo, args) | |
| 100 node = repo.current | |
| 101 if ops['revision']: | |
| 102 node = repo.changelog.lookup(ops['revision']) | |
| 103 change = repo.changelog.read(node) | |
| 104 mmap = repo.manifest.read(change[0]) | |
| 105 maxuserlen = 0 | |
| 106 maxchangelen = 0 | |
| 107 for f in args: | |
| 108 lines = repo.file(f).annotate(mmap[f]) | |
| 109 pieces = [] | |
| 110 | |
| 111 for o, f in opmap: | |
| 112 if ops[o]: | |
| 113 l = [ f(n) for n,t in lines ] | |
| 114 m = max(map(len, l)) | |
| 115 pieces.append([ "%*s" % (m, x) for x in l]) | |
| 116 | |
| 117 for p,l in zip(zip(*pieces), lines): | |
| 118 u.write(" ".join(p) + ": " + l[1]) | |
| 119 | |
| 213 | 120 def status(ui, repo): |
| 121 '''show changed files in the working directory | |
| 122 | |
| 123 C = changed | |
| 124 A = added | |
| 125 R = removed | |
| 126 ? = not tracked''' | |
| 127 (c, a, d) = repo.diffdir(repo.root, repo.current) | |
| 128 (c, a, d) = map(lambda x: relfilter(repo, x), (c, a, d)) | |
| 129 | |
| 130 for f in c: print "C", f | |
| 131 for f in a: print "?", f | |
| 132 for f in d: print "R", f | |
| 133 | |
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134 def undo(ui, repo): |
| 210 | 135 repo.undo() |
| 136 | |
| 209 | 137 table = { |
| 138 "init": (init, [], 'hg init'), | |
| 213 | 139 "branch|clone": (branch, [], 'hg branch [path]'), |
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140 "help": (help, [], 'hg help [command]'), |
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141 "checkout|co": (checkout, [], 'hg checkout [changeset]'), |
| 209 | 142 "ann|annotate": (annotate, |
| 143 [('r', 'revision', '', 'revision'), | |
| 144 ('u', 'user', None, 'show user'), | |
| 145 ('n', 'number', None, 'show revision number'), | |
| 146 ('c', 'changeset', None, 'show changeset')], | |
| 147 'hg annotate [-u] [-c] [-n] [-r id] [files]'), | |
| 213 | 148 "status": (status, [], 'hg status'), |
| 210 | 149 "undo": (undo, [], 'hg undo'), |
| 209 | 150 } |
| 151 | |
| 152 norepo = "init branch help" | |
| 153 | |
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154 def find(cmd): |
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155 i = None |
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156 for e in table.keys(): |
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157 if re.match(e + "$", cmd): |
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158 return table[e] |
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159 |
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160 raise UnknownCommand(cmd) |
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161 |
| 214 | 162 class SignalInterrupt(Exception): pass |
| 163 | |
| 164 def catchterm(*args): | |
| 165 raise SignalInterrupt | |
| 166 | |
| 209 | 167 def dispatch(args): |
| 168 options = {} | |
| 169 opts = [('v', 'verbose', None, 'verbose'), | |
| 170 ('d', 'debug', None, 'debug'), | |
| 171 ('q', 'quiet', None, 'quiet'), | |
| 172 ('y', 'noninteractive', None, 'run non-interactively'), | |
| 173 ] | |
| 174 | |
| 175 args = fancyopts.fancyopts(args, opts, options, | |
| 176 'hg [options] <command> [options] [files]') | |
| 177 | |
| 178 if not args: | |
| 179 cmd = "help" | |
| 180 else: | |
| 181 cmd, args = args[0], args[1:] | |
| 182 | |
| 183 u = ui.ui(options["verbose"], options["debug"], options["quiet"], | |
| 184 not options["noninteractive"]) | |
| 185 | |
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186 # deal with unfound commands later |
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187 i = find(cmd) |
| 209 | 188 |
| 214 | 189 signal.signal(signal.SIGTERM, catchterm) |
| 190 | |
| 209 | 191 cmdoptions = {} |
| 192 args = fancyopts.fancyopts(args, i[1], cmdoptions, i[2]) | |
| 193 | |
| 194 if cmd not in norepo.split(): | |
| 195 repo = hg.repository(ui = u) | |
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196 d = lambda: i[0](u, repo, *args, **cmdoptions) |
| 209 | 197 else: |
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198 d = lambda: i[0](u, *args, **cmdoptions) |
| 209 | 199 |
| 200 try: | |
| 201 d() | |
| 214 | 202 except SignalInterrupt: |
| 203 u.warn("killed!\n") | |
| 209 | 204 except KeyboardInterrupt: |
| 205 u.warn("interrupted!\n") | |
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206 except TypeError, inst: |
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207 # was this an argument error? |
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208 tb = traceback.extract_tb(sys.exc_info()[2]) |
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209 if len(tb) > 2: # no |
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210 raise |
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211 u.warn("%s: invalid arguments\n" % i[0].__name__) |
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212 u.warn("syntax: %s\n" % i[2]) |
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213 sys.exit(-1) |