From ec7d961359cabb631d7769eb90aacd5d6d7d0262 Mon Sep 17 00:00:00 2001
From: Göran Krampe <goran@3dicc.com>
Date: Wed, 19 Nov 2014 10:36:39 +0100
Subject: [PATCH] Added option --filter and fixed some bugs.

---
 blimp.nim | 37 ++++++++++++++++++++++++++-----------
 1 file changed, 26 insertions(+), 11 deletions(-)

diff --git a/blimp.nim b/blimp.nim
index 27383b0..4f988a7 100644
--- a/blimp.nim
+++ b/blimp.nim
@@ -37,7 +37,7 @@ const
 var
   blimpStore, remoteBlimpStore, uploadCommandFormat, downloadCommandFormat, deleteCommandFormat, rsyncPassword, blimpVersion: string = nil
   homeDir, currentDir, gitRootDir: string
-  verbose, stdio, inflateAll: bool
+  verbose, stdio, onAllDeflated, onAllFiltered: bool
   stdinContent: string = nil
 
 let
@@ -69,10 +69,8 @@ delete = "rsync --password-file $3/.blimp.pass -dv --delete --existing --ignore-
 
 [blimp]
 # Minimal version, otherwise stop
-# version = 0.2 
-"""
+# version = """ & versionAsString
 
-  
 
 proc cmd(cmd: string): string =
   try:
@@ -201,7 +199,7 @@ proc copyToBlimpStore(filename, blimpFilename: string) =
         quit("Failed writing file: " & blimpStore / blimpFilename & " from stdin", 1)
     else:
       copyFile(filename, blimpStore / blimpFilename)
-      uploadFile(blimpFilename)
+    uploadFile(blimpFilename)
 
 # Copy content from blimpStore, and downloading first if needed
 proc copyFromBlimpStore(blimpFilename, filename: string) =
@@ -270,6 +268,14 @@ iterator allDeflated() =
   for fn in filenames:
     if not blimpFilename(fn).isNil:
       yield fn
+      
+# Iterator over all files matching the blimp filter in the git clone
+iterator allFiltered() =
+  let lines = cmd("git ls-files | git check-attr --stdin filter").split('\l')
+  for line in lines:
+    let status = line.split(':')
+    if strip(status[2]) == "blimp":
+      yield status[0]
 
 # Parse out hash from hash stub and copy back original content from blimpStore.
 proc inflate(filename: string) =
@@ -329,6 +335,7 @@ let synopsis = """
     ----------
     <command>   (string)     (d)eflate, (i)nflate, remove
     -a,--all                 Operate on all deflated files in clone
+    -f,--filter              Operate on all files matching blimp filter
     ----------
     -s,--stdio               If given, use stdin/stdout for content.
     <filenames> (string...)  One or more filepaths to inflate/deflate
@@ -387,7 +394,7 @@ let help = """
   In order to have blimp work automatically you can:
   
   * Create a .gitattributes file with lines like:
-    *.png filter=blimp -text
+    *.png filter=blimp binary
     
   * Configure blimp as a filter by running:
     git config filter.blimp.clean "blimp -s d %f"
@@ -418,7 +425,8 @@ gitRootDir = gitRoot()
 var args = parse(synopsis)
 verbose = args["verbose"].asBool
 stdio = args["stdio"].asBool
-inflateAll = args["all"].asBool
+onAllDeflated = args["all"].asBool
+onAllFiltered = args["filter"].asBool
 
 # Can't do verbose with -s, that messes up stdout,
 # read in all of stdin once and for all
@@ -471,12 +479,19 @@ setupBlimpStore()
 # Do the deed
 if command != "":
   if command == "d" or command == "deflate":
-    for fn in filenames:
-      deflate(fn.asString)
+    if onAllFiltered:
+      for fn in allFiltered():
+        deflate(fn)
+    else:
+      for fn in filenames:
+        deflate(fn.asString)
   elif command == "i" or command == "inflate":
-    if inflateAll:
+    if onAllDeflated:
       for fn in allDeflated():
         inflate(fn)
+    elif onAllFiltered:
+      for fn in allFiltered():
+        inflate(fn)
     else:
       for fn in filenames:
         inflate(fn.asString)
@@ -484,7 +499,7 @@ if command != "":
     for fn in filenames:
       remove(fn.asString)
   else:
-    quit("Unknown command, only (d)eflate or (i)inflate are valid.", 6)
+    quit("Unknown command, only (d)eflate, (i)inflate or remove are valid.", 6)
 
 # All good
 quit(0)
--
libgit2 0.22.2