Mercurial > hg > mercurial-crew-with-dirclash
annotate mercurial/commands.py @ 212:48398a5353e3
commands: better argument processing, per-command help
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commands: better argument processing, per-command help
This passes command line arguments as positional arguments rather than
as a list and attempt to catch exceptions if the arguments don't match up.
It also adds 'hg help [cmd]' which prints the syntax and docstring for
the given command.
manifest hash: cef3ac7076f99fce4265a5dc7acb57fb03d93270
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| author | mpm@selenic.com |
|---|---|
| date | Wed, 01 Jun 2005 11:11:19 -0800 |
| parents | 426d3c3ae363 |
| children | d2172916ef6c |
| rev | line source |
|---|---|
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1 import os, re, traceback, sys |
| 209 | 2 from mercurial import fancyopts, ui, hg |
| 3 | |
| 4 class UnknownCommand(Exception): pass | |
| 5 | |
| 6 def relpath(repo, args): | |
| 7 if os.getcwd() != repo.root: | |
| 8 p = os.getcwd()[len(repo.root) + 1: ] | |
| 9 return [ os.path.join(p, x) for x in args ] | |
| 10 return args | |
| 11 | |
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12 def help(ui, cmd=None): |
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13 '''show help''' |
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14 if cmd: |
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15 try: |
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16 i = find(cmd) |
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17 ui.write("%s\n\n" % i[2]) |
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18 ui.write(i[0].__doc__, "\n") |
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19 except UnknownCommand: |
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20 ui.warn("unknown command %s", cmd) |
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21 sys.exit(0) |
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22 |
| 209 | 23 ui.status("""\ |
| 24 hg commands: | |
| 25 | |
| 26 add [files...] add the given files in the next commit | |
| 27 addremove add all new files, delete all missing files | |
| 28 annotate [files...] show changeset number per file line | |
| 29 branch <path> create a branch of <path> in this directory | |
| 30 checkout [changeset] checkout the latest or given changeset | |
| 31 commit commit all changes to the repository | |
| 32 diff [files...] diff working directory (or selected files) | |
| 33 dump <file> [rev] dump the latest or given revision of a file | |
| 34 dumpmanifest [rev] dump the latest or given revision of the manifest | |
| 35 export <rev> dump the changeset header and diffs for a revision | |
| 36 history show changeset history | |
| 37 init create a new repository in this directory | |
| 38 log <file> show revision history of a single file | |
| 39 merge <path> merge changes from <path> into local repository | |
| 40 recover rollback an interrupted transaction | |
| 41 remove [files...] remove the given files in the next commit | |
| 42 serve export the repository via HTTP | |
| 43 status show new, missing, and changed files in working dir | |
| 44 tags show current changeset tags | |
| 45 undo undo the last transaction | |
| 46 """) | |
| 47 | |
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48 def init(ui): |
| 209 | 49 """create a repository""" |
| 50 hg.repository(ui, ".", create=1) | |
| 51 | |
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52 def checkout(u, repo, changeset=None): |
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53 '''checkout a given changeset or the current tip''' |
| 209 | 54 node = repo.changelog.tip() |
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55 if changeset: |
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56 node = repo.lookup(changeset) |
| 209 | 57 repo.checkout(node) |
| 58 | |
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59 def annotate(u, repo, *args, **ops): |
| 209 | 60 def getnode(rev): |
| 61 return hg.short(repo.changelog.node(rev)) | |
| 62 | |
| 63 def getname(rev): | |
| 64 try: | |
| 65 return bcache[rev] | |
| 66 except KeyError: | |
| 67 cl = repo.changelog.read(repo.changelog.node(rev)) | |
| 68 name = cl[1] | |
| 69 f = name.find('@') | |
| 70 if f >= 0: | |
| 71 name = name[:f] | |
| 72 bcache[rev] = name | |
| 73 return name | |
| 74 | |
| 75 bcache = {} | |
| 76 opmap = [['user', getname], ['number', str], ['changeset', getnode]] | |
| 77 if not ops['user'] and not ops['changeset']: | |
| 78 ops['number'] = 1 | |
| 79 | |
| 80 args = relpath(repo, args) | |
| 81 node = repo.current | |
| 82 if ops['revision']: | |
| 83 node = repo.changelog.lookup(ops['revision']) | |
| 84 change = repo.changelog.read(node) | |
| 85 mmap = repo.manifest.read(change[0]) | |
| 86 maxuserlen = 0 | |
| 87 maxchangelen = 0 | |
| 88 for f in args: | |
| 89 lines = repo.file(f).annotate(mmap[f]) | |
| 90 pieces = [] | |
| 91 | |
| 92 for o, f in opmap: | |
| 93 if ops[o]: | |
| 94 l = [ f(n) for n,t in lines ] | |
| 95 m = max(map(len, l)) | |
| 96 pieces.append([ "%*s" % (m, x) for x in l]) | |
| 97 | |
| 98 for p,l in zip(zip(*pieces), lines): | |
| 99 u.write(" ".join(p) + ": " + l[1]) | |
| 100 | |
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101 def undo(ui, repo): |
| 210 | 102 repo.undo() |
| 103 | |
| 209 | 104 table = { |
| 105 "init": (init, [], 'hg init'), | |
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106 "help": (help, [], 'hg help [command]'), |
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107 "checkout|co": (checkout, [], 'hg checkout [changeset]'), |
| 209 | 108 "ann|annotate": (annotate, |
| 109 [('r', 'revision', '', 'revision'), | |
| 110 ('u', 'user', None, 'show user'), | |
| 111 ('n', 'number', None, 'show revision number'), | |
| 112 ('c', 'changeset', None, 'show changeset')], | |
| 113 'hg annotate [-u] [-c] [-n] [-r id] [files]'), | |
| 210 | 114 "undo": (undo, [], 'hg undo'), |
| 209 | 115 } |
| 116 | |
| 117 norepo = "init branch help" | |
| 118 | |
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119 def find(cmd): |
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120 i = None |
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121 for e in table.keys(): |
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122 if re.match(e + "$", cmd): |
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123 return table[e] |
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124 |
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125 raise UnknownCommand(cmd) |
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126 |
| 209 | 127 def dispatch(args): |
| 128 options = {} | |
| 129 opts = [('v', 'verbose', None, 'verbose'), | |
| 130 ('d', 'debug', None, 'debug'), | |
| 131 ('q', 'quiet', None, 'quiet'), | |
| 132 ('y', 'noninteractive', None, 'run non-interactively'), | |
| 133 ] | |
| 134 | |
| 135 args = fancyopts.fancyopts(args, opts, options, | |
| 136 'hg [options] <command> [options] [files]') | |
| 137 | |
| 138 if not args: | |
| 139 cmd = "help" | |
| 140 else: | |
| 141 cmd, args = args[0], args[1:] | |
| 142 | |
| 143 u = ui.ui(options["verbose"], options["debug"], options["quiet"], | |
| 144 not options["noninteractive"]) | |
| 145 | |
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146 # deal with unfound commands later |
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147 i = find(cmd) |
| 209 | 148 |
| 149 cmdoptions = {} | |
| 150 args = fancyopts.fancyopts(args, i[1], cmdoptions, i[2]) | |
| 151 | |
| 152 if cmd not in norepo.split(): | |
| 153 repo = hg.repository(ui = u) | |
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154 d = lambda: i[0](u, repo, *args, **cmdoptions) |
| 209 | 155 else: |
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156 d = lambda: i[0](u, *args, **cmdoptions) |
| 209 | 157 |
| 158 try: | |
| 159 d() | |
| 160 except KeyboardInterrupt: | |
| 161 u.warn("interrupted!\n") | |
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162 except TypeError, inst: |
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163 # was this an argument error? |
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164 tb = traceback.extract_tb(sys.exc_info()[2]) |
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165 if len(tb) > 2: # no |
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166 raise |
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167 u.warn("%s: invalid arguments\n" % i[0].__name__) |
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168 u.warn("syntax: %s\n" % i[2]) |
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169 sys.exit(-1) |