# HG changeset patch
# User andy simpson <andrews@symbian.org>
# Date 1283349053 -3600
# Node ID db97abaca812a015d371b07dfc122f0c18a77641
# Parent  2733de861a5d287195b8c1a3525a6bb29d401b6e
Simple hg hook to apply a local tag to a list of repos specified in a csv file (following format of fbf sources.csv file used in PDK builds). Used to create movable tags such as "S3_LATESTGOOD".

diff -r 2733de861a5d -r db97abaca812 hg_hooks/applylocaltags/applylocaltags.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hg_hooks/applylocaltags/applylocaltags.py	Wed Sep 01 14:50:53 2010 +0100
@@ -0,0 +1,130 @@
+#! /usr/bin/python
+# Copyright (c) 2009 Symbian Foundation Ltd
+# This component and the accompanying materials are made available
+# under the terms of the License "Eclipse Public License v1.0"
+# which accompanies this distribution, and is available
+# at the URL "http://www.eclipse.org/legal/epl-v10.html".
+#
+# Initial Contributors:
+# Symbian Foundation Ltd - initial contribution.
+#
+# Contributors:
+#
+# applytag.py - apply local mercurial tag based on one or more csv files
+#                which contain a list of repos and changesets
+#                for any <name>.csv file use the <name> is used as the tag name
+#
+
+repo_root='c:/sf'
+debugfile = "debug.out"
+
+import re
+import StringIO
+import os
+import sys
+
+from mercurial import util
+from mercurial.i18n import _
+
+import subprocess
+
+sourceline = re.compile('(.*?)(oss|sfl)/(FCL|MCL)/(.*)',re.I)
+MCL = re.compile('^MCL$',re.I)
+re_csvfile = re.compile(r"(.*?)\.csv$",re.I)
+csvfields = re.compile(r"(.*?),(.*?),(.*?),(.*?),.*")
+verbose = True
+
+
+def debug_info(str):
+    hgui.debug(_(str))
+    dbgfile.write(str)
+
+def debug_warn(str):
+    hgui.write(_(str))
+    dbgfile.write(str)
+
+def debug_verbose(str):
+    if verbose:
+        hgui.debug(_(str))
+        dbgfile.write(str)
+
+def commit_hook(ui, repo, hooktype, node=None, source=None, **kwargs):
+    # iterate over all the files in added changeset
+    global hgui
+    global dbgfile
+    hgui = ui
+    ctx = repo[node]
+    dbgfile = file(debugfile,'w')  #open file f for write
+    for f in ctx.files():
+        debug_info(('file %s \n') % (f))
+        csvname = re_csvfile.match(f)
+        if (csvname):
+            debug_info(('csv file %s\n') % f)
+            fctx = ctx.filectx(f)
+            filecontent = fctx.data()
+            tagname = csvname.group(1).upper()
+            debug_info(('tag to use : %s\n')% tagname)
+            csvfp = StringIO.StringIO(filecontent)
+            parse_csv(ui,csvfp,tagname)
+            csvfp.close()
+    dbgfile.close()
+    # return False meand "don't block"
+    return False
+
+def walk_repos(ui,rootpath):
+    p = util.pconvert(rootpath)
+    for path in util.walkrepos(p, followsym=True):
+        debug_info(('repo %s\n') % path)
+
+
+
+
+def parse_csv(ui,fp,tagname):
+    '''
+        Take a list of repositories (from csv file)
+        For each repository apply a local tag
+        to the local copy of the repo using the
+        specified changeset
+    '''
+    global verbose
+    for line in fp.readlines():
+        # check it is basic csv and extract repo url and changeset
+        cline = csvfields.match(line)
+        if(cline):
+            reposrc = cline.group(1)
+            changeset = cline.group(4)
+        else:
+            debug_warn(('ignoring : %s\n' %line))
+
+        # now check the repo url looks valid
+        m = sourceline.match(reposrc)
+        if (m):
+            # construct local path
+            applytag(ui,repo_root,m.group(2),m.group(3),m.group(4),changeset,tagname)
+            #if we have just tagged the MCL then tag the FCL as well
+            if(MCL.match(m.group(3))):
+                applytag(ui,repo_root,m.group(2),"FCL",m.group(4),changeset,tagname)
+        else:
+            debug_warn(('Ignoring Source Line: %s\n' %reposrc))
+
+def applytag(ui,path_root,p_license,p_branch,p_repo,rev,tagname):
+    repoabs = '/'.join([path_root,p_license,p_branch,p_repo])
+    repoabs.replace("\\","/")
+    tagcmd = ['hg','-R',repoabs,'tag','--local','--force','-r',rev,tagname]
+    #print tagcmd
+    run(ui,tagcmd)
+
+def run(ui,cmd):
+    debug_verbose(('cmd %s\n' % ' '.join(cmd)))
+    try:
+        p = subprocess.Popen(args=cmd, bufsize=1024, shell = False, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, universal_newlines=True)
+	cmdout, errtxt = p.communicate()
+        debug_warn((cmdout))
+    except IOError as err:
+        debug_warn(("IOError : ",err))
+    except OSError as err:
+        debug_warn(("OSError : ",err))
+    except:
+        debug_warn(("Error %s : Could not run %s\n" % (sys.exc_info()[0],cmd)))
+        return -1
+