Merge branch 'pw/p4-submit-conflicts'

Add '--conflict' option to git-p4 subcommand to specify what action
to take when conflicts are found during 'p4 submit'.

* pw/p4-submit-conflicts:
  git-p4: add submit --conflict option and config varaiable
  git p4: add submit --prepare-p4-only option
  git p4: add submit --dry-run option
  git p4: accept -v for --verbose
  git p4: revert deleted files after submit cancel
  git p4: rearrange submit template construction
  git p4: test clean-up after failed submit, fix added files
  git p4: standardize submit cancel due to unchanged template
  git p4: move conflict prompt into run, add [q]uit input
  git p4: remove submit failure options [a]pply and [w]rite
  git p4: gracefully fail if some commits could not be applied
  git p4 test: remove bash-ism of combined export/assignment

Author: gitster

Documentation/git-p4.txt

@@ -163,7 +163,7 @@ All commands except clone accept these options.
 --git-dir <dir>::
 	Set the 'GIT_DIR' environment variable.  See linkgit:git[1].
 
---verbose::
+--verbose, -v::
 	Provide more progress information.
 
 Sync options
@@ -269,6 +269,24 @@ These options can be used to modify 'git p4 submit' behavior.
 	Export tags from git as p4 labels. Tags found in git are applied
 	to the perforce working directory.
 
+--dry-run, -n::
+	Show just what commits would be submitted to p4; do not change
+	state in git or p4.
+
+--prepare-p4-only::
+	Apply a commit to the p4 workspace, opening, adding and deleting
+	files in p4 as for a normal submit operation.  Do not issue the
+	final "p4 submit", but instead print a message about how to
+	submit manually or revert.  This option always stops after the
+	first (oldest) commit.  Git tags are not exported to p4.
+
+--conflict=(ask|skip|quit)::
+	Conflicts can occur when applying a commit to p4.  When this
+	happens, the default behavior ("ask") is to prompt whether to
+	skip this commit and continue, or quit.  This option can be used
+	to bypass the prompt, causing conflicting commits to be automatically
+	skipped, or to quit trying to apply commits, without prompting.
+
 Rebase options
 ~~~~~~~~~~~~~~
 These options can be used to modify 'git p4 rebase' behavior.
@@ -519,6 +537,10 @@ git-p4.labelExportRegexp::
 	Only p4 labels matching this regular expression will be exported. The
 	default value is '[a-zA-Z0-9_\-.]+$'.
 
+git-p4.conflict::
+	Specify submit behavior when a conflict with p4 is found, as per
+	--conflict.  The default behavior is 'ask'.
+
 IMPLEMENTATION DETAILS
 ----------------------
 * Changesets from p4 are imported using git fast-import.