Add new --diff-opts/-O flag to diff- and status-related commands.

[stgit] / stgit / commands / show.py

diff --git a/stgit/commands/show.py b/stgit/commands/show.py
index a3169b90d0148fcc3c4a7cb82d70275d23d529c6..ea4c874d0646649c4bacf4b8cfef7d66c9d26795 100644 (file)
--- a/stgit/commands/show.py
+++ b/stgit/commands/show.py
@@ -24,25 +24,49 @@ from stgit import git
 
 
 help = 'show the commit corresponding to a patch (or the current patch)'
-usage = """%prog [options] [<patch>]
+usage = """%prog [options] [<patch1>] [<patch2>] [<patch3>..<patch4>]
 
-Show the commit log and the diff corresponding to a given patch. The
-output is similar to that generated by the 'git show' command."""
+Show the commit log and the diff corresponding to the given
+patches. The output is similar to that generated by the 'git show'
+command."""
 
-options = []
+options = [make_option('-a', '--applied',
+                       help = 'show the applied patches',
+                       action = 'store_true'),
+           make_option('-u', '--unapplied',
+                       help = 'show the unapplied patches',
+                       action = 'store_true'),
+           make_option('-O', '--diff-opts',
+                       help = 'options to pass to git-diff')]
 
 
 def func(parser, options, args):
     """Show commit log and diff
     """
-    if len(args) == 0:
-        patch = 'HEAD'
-    elif len(args) == 1:
-        patch = args[0]
+    applied = crt_series.get_applied()
+    unapplied = crt_series.get_unapplied()
+
+    if options.applied:
+        patches = applied
+    elif options.unapplied:
+        patches = unapplied
+    elif len(args) == 0:
+        patches = ['HEAD']
+    else:
+        if len(args) == 1 and args[0].find('..') == -1 \
+               and not crt_series.patch_exists(args[0]):
+            # it might be just a commit id
+            patches = args
+        else:
+            patches = parse_patches(args, applied + unapplied, len(applied))
+
+    if options.diff_opts:
+        diff_flags = options.diff_opts.split()
     else:
-        parser.error('incorrect number of arguments')
+        diff_flags = []
 
-    commit_id = git_id(patch)
-    commit_str = git.pretty_commit(commit_id)
+    commit_ids = [git_id(patch) for patch in patches]
+    commit_str = '\n'.join([git.pretty_commit(commit_id, diff_flags=diff_flags)
+                            for commit_id in commit_ids])
     if commit_str:
         pager(commit_str)