run under python2 for now

also check if a tag exists already before creating it

README

@@ -1,4 +1,5 @@
 Josh's SVN wrapper script
+https://github.com/holtrop/jsvn
 
 This wrapper script to Subversion supplements normal svn behavior by
 adding additional functionality or modifying the output of the default
@@ -26,11 +27,31 @@ Implemented subcommands:
    - bad   mark the current revision as bad - containing the change sought
    - good  mark the current revision as good - older than the change sought
    - reset terminate the bisect operation and return to the original revision
- branch[es] [-d] [-s] [<branch_name>]
+ branch[es]
-  - with no arguments, list branches with '*' by the current one
+  - branch: list branches with '*' by the current one
-  - with -d, delete <branch>
+  - branch -d name: delete branch <name>
-  - otherwise, create a new branch from the current one
+  - branch [-s] name [source[@rev]]: create branch <name>
+    - if <source> is given it is resolved as a reference name (can be 'trunk',
+      or a tag or branch name)
+    - if <source> is not given the HEAD of the current working-copy URL is used.
     - also switch to the new branch if -s is given
+ checkout [options] [url] [wc_path]
+  - if a URL is given that ends with /trunk and no working copy path is given,
+    then the last directory component before "/trunk" is used as the working
+    copy path
+ clean [-x] {-n|-f} [path...]
+  - remove (or list) unversioned items
+  options:
+    -x, --ignore-ignores
+      - remove/list unversioned items that are ignored by Subversion
+    -n, --dry-run
+      - perform a dry-run, i.e. list files that would be removed but do not
+        actually remove them
+    -f, --force
+      - perform the actual removal of unversioned files
+ commit
+  - removes trailing whitespace (including end-of-line characters) from commit
+    messages before committing if neither -m nor -F arguments are given
  diff
   - allow specifying ref1..ref2 syntax to show the diff between two references
     - references can be tag names, branch names, or 'trunk'
@@ -48,40 +69,57 @@ Implemented subcommands:
  merge <branch>
   - merge branch <branch> into the current WC path
   - falls back to Subversion "merge" if <branch> doesn't exist
+ revert <path[s]>
+  - revert all affected files under given target path(s)
  root
   - output root URL (for use on shell such as "svn log $(svn root)/tags")
- stash [command]
+ stash [options] [file...]
   - allow temporarily saving changes to the working copy without committing
-  - the stashes behaves as a "stack" where "save" pushes a new stash object
+  - the stashes behaves as a "stack" where stashing pushes a new stash object
-    and "pop" pops the newest one from the top of the stack
+    and popping removes the newest one from the top of the stack
-  commands:
+  - binary files are ignored (a warning is printed) and not stashed
-    save [-k] (default if not specified):
+  options:
-     - save changes as a "stash" object
+    -e, --externals
-     - revert changes from working copy unless -k (keep working copy) given
+      - also stash changes in externals (if no explicit targets given)
-     - this only works with text files, not binary files
+      - this option is implicitly on if the configuration value
-    list:
+        'stash_externals' is set to True
+    --noexternals
+      - reverse --externals (or the configuration value 'stash_externals')
+    -k, --keep
+      - create the stash object, but keep the changes locally as well
+      - with --pop, do not remove the stash object after reapplying it
+    -p, --patch
+      - interactively prompt for whether to stash each hunk
+    --list
       - show a list of all stash objects
-    pop [-k] [id]:
+    --pop [id]
       - apply the stash object <id> back to the working copy
       - the stash object is removed unless -k (keep) given
       - <id> defaults to the newest stash object created
-    show [id]:
+    --show [id]
       - display the diff stored in stash with ID <id>
       - <id> defaults to the newest stash object created
-    drop [id]:
+    --drop [id]
       - delete stash object <id>
       - <id> defaults to the newest stash object created
+    - if none of --list, --pop, --show, or --drop is given, a new stash object
+      is created containing the chosen differences
+    - if file is given, only the changes from the listed files will be stashed
  switch <short_name>
   - switch to 'trunk', branch name, or tag name without having to specify
     the full URL
   - falls back to Subversion "switch" if <short_name> doesn't exist
- tag[s] [[-d] <tag_name>] | [-m <old_tag_name> <new_tag_name>]
+ tag[s]
-  - with no arguments, list tags
+  - tag [-v]: list tags
-  - with -d, delete <tag>
+    - with -v (verbose), lists tag origin and creation date
-  - with -m, rename <old_tag_name> to <new_tag_name>
+  - tag -d name: delete tag <name>
-  - otherwise, create a new tag from the current branch
+  - tag -m old new: rename tag <old> to <new>
- url
+  - tag name [source[@rev]]: create tag <name>
-  - output repository URL of current working directory
+    - if <source> is given it is resolved as a reference name (can be 'trunk',
+      or another tag or a branch name)
+    - if <source> is not given the HEAD of the current working-copy URL is used.
+ url [file]
+  - output repository URL of file [default: '.' (current working directory)]
  users
   - show a list of contributing users to a SVN path
  watch-lock
@@ -130,6 +168,14 @@ Available configuration variables:
                 function will be called recursively!
   svn:       Specify the path to the native Subversion executable. If not
              specified, the first 'svn' in $PATH will be used.
+  ignore_executable_extensions: A list of extensions (including the '.')
+             for newly added files which should not automatically have the
+             svn:executable property added for them even if the files are
+             executable. The default value is ['.c', '.cc', '.h', '.txt'].
+  ignore_symlinks: True or False to hide unversioned symlinks from appearing
+             in status output (default: False)
+  stash_externals: True or False to enable/disable whether '-e' is implicitly
+             on for 'stash' subcommand. Defaults to False.
 
 Configuration Examples:
   pager = 'less -FRXi' # enable case-insensitive searching in less
@@ -145,6 +191,24 @@ Configuration Examples:
 Author: Josh Holtrop
 
 History:
+  v1.7 - 2013-08-16
+    - add "clean" subcommand handler
+    - bugfix: revert subcommand handler: revert deleted items
+  v1.6 - 2013-07-24
+    - rework 'stash' subcommand to operate on individual hunks
+    - add 'revert' subcommand handler
+  v1.5 - 2012-11-08
+    - add -v (verbose) flag to 'tag' subcommand
+    - allow optional source argument to 'branch' subcommand
+    - remove repository prefix URL from diff --summarize output
+    - Add .exe extension to svn binary name if platform is Windows (not cygwin)
+  v1.4 - 2012-08-23
+    - allow optional source/revision argument when creating a tag
+    - handle ctrl+c better when interacting with a pager
+    - add configurable functionality to work around svn automatically adding svn:executable property
+    - bugfix for diff "..." range syntax to show correct diff
+    - improved performance for diff/log "..." syntax
+    - minor stash show bugfix
   v1.3 - 2012-06-27
     - colorize diff --summarize output
     - log: support ref1..ref2 syntax for showing ref2 history not in ref1