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comparison mercurial/cmdutil.py @ 35662:91f0979f16c0

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cat: factor out a function that populates the formatter This will allow extensions to add data to the templater.
author Matt Harbison <matt_harbison@yahoo.com>
date Tue, 16 Jan 2018 19:56:00 -0500
parents b6b7855c79aa
children 8273c1a47282
comparison
equal deleted inserted replaced
35661:1c0ee0befba0 35662:91f0979f16c0
2960 for warning in warnings: 2960 for warning in warnings:
2961 ui.warn(warning) 2961 ui.warn(warning)
2962 2962
2963 return ret 2963 return ret
2964 2964
2965 def _updatecatformatter(fm, ctx, matcher, path, decode):
2966 """Hook for adding data to the formatter used by ``hg cat``.
2967
2968 Extensions (e.g., lfs) can wrap this to inject keywords/data, but must call
2969 this method first."""
2970 data = ctx[path].data()
2971 if decode:
2972 data = ctx.repo().wwritedata(path, data)
2973 fm.startitem()
2974 fm.write('data', '%s', data)
2975 fm.data(abspath=path, path=matcher.rel(path))
2976
2965 def cat(ui, repo, ctx, matcher, basefm, fntemplate, prefix, **opts): 2977 def cat(ui, repo, ctx, matcher, basefm, fntemplate, prefix, **opts):
2966 err = 1 2978 err = 1
2967 opts = pycompat.byteskwargs(opts) 2979 opts = pycompat.byteskwargs(opts)
2968 2980
2969 def write(path): 2981 def write(path):
2975 try: 2987 try:
2976 os.makedirs(os.path.dirname(filename)) 2988 os.makedirs(os.path.dirname(filename))
2977 except OSError: 2989 except OSError:
2978 pass 2990 pass
2979 with formatter.maybereopen(basefm, filename, opts) as fm: 2991 with formatter.maybereopen(basefm, filename, opts) as fm:
2980 data = ctx[path].data() 2992 _updatecatformatter(fm, ctx, matcher, path, opts.get('decode'))
2981 if opts.get('decode'):
2982 data = repo.wwritedata(path, data)
2983 fm.startitem()
2984 fm.write('data', '%s', data)
2985 fm.data(abspath=path, path=matcher.rel(path))
2986 2993
2987 # Automation often uses hg cat on single files, so special case it 2994 # Automation often uses hg cat on single files, so special case it
2988 # for performance to avoid the cost of parsing the manifest. 2995 # for performance to avoid the cost of parsing the manifest.
2989 if len(matcher.files()) == 1 and not matcher.anypats(): 2996 if len(matcher.files()) == 1 and not matcher.anypats():
2990 file = matcher.files()[0] 2997 file = matcher.files()[0]