changeset 1543:05d639e5d59b feature_1136

First cut of a git export script

--- a/extra/soundsoftware/create-repo-authormaps.rb	Tue Jun 02 12:25:31 2015 +0100
+++ b/extra/soundsoftware/create-repo-authormaps.rb	Tue Jan 12 15:15:02 2016 +0000
@@ -18,7 +18,7 @@
 # This script does that, if given the two directory names as arguments
 # to the -s and -o options. In the above example:
 #
-# script/rails runner create-repo-authormaps.rb -s /var/hg -o /var/repo-export/authormap
+# ./script/rails runner -e production extra/soundsoftware/create-repo-authormaps.rb -s /var/hg -o /var/repo-export/authormap
 #
 # Note that this script will overwrite any existing authormap
 # files. (That's why the output files are given an authormap_ prefix,
@@ -28,9 +28,9 @@
 require 'getoptlong'
 
 opts = GetoptLong.new(
-                      ['--scm-dir',      '-s', GetoptLong::REQUIRED_ARGUMENT],
-                      ['--out-dir',      '-o', GetoptLong::REQUIRED_ARGUMENT],
-                      ['--environment',  '-e', GetoptLong::REQUIRED_ARGUMENT]
+                      ['--scm-dir', '-s', GetoptLong::REQUIRED_ARGUMENT],
+                      ['--out-dir', '-o', GetoptLong::REQUIRED_ARGUMENT],
+                      ['--environment', '-e', GetoptLong::OPTIONAL_ARGUMENT]
 )
 
 $repos_base   = ''

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/extra/soundsoftware/export-git.sh	Tue Jan 12 15:15:02 2016 +0000
@@ -0,0 +1,87 @@
+#!/bin/bash
+
+set -e
+
+progdir=$(dirname $0)
+case "$progdir" in
+    /*) ;;
+    *) progdir="$(pwd)/$progdir" ;;
+esac
+
+rails_scriptdir="$progdir/../../script"
+rails="$rails_scriptdir/rails"
+
+if [ ! -x "$rails" ]; then
+    echo "Expected to find rails executable at $rails"
+    exit 2
+fi
+
+fastexport="$progdir/../fast-export/hg-fast-export.sh"
+if [ ! -x "$fastexport" ]; then
+    echo "Expected to find hg-fast-export.sh executable at $fastexport"
+    exit 2
+fi
+
+hgdir="$1"
+gitdir="$2"
+
+if [ -z "$hgdir" ] || [ -z "$gitdir" ]; then
+    echo "Usage: $0 <hgdir> <gitdir>"
+    echo "where hgdir is the directory containing project Mercurial repositories,"
+    echo "and gitdir is the directory in which output git repositories are"
+    echo "to be created or updated"
+    exit 2
+fi
+
+if [ ! -d "$hgdir" ]; then
+    echo "Mercurial repository directory $hgdir not found"
+    exit 1
+fi
+
+if [ ! -d "$gitdir" ]; then
+    echo "Target git repository dir $gitdir not found (please create at least the empty directory)"
+    exit 1
+fi
+
+set -u
+
+authordir="$gitdir/AUTHORMAPS"
+
+mkdir -p "$authordir"
+
+"$rails" runner -e production "$progdir/create-repo-authormaps.rb" \
+	 -s "$hgdir" -o "$authordir"
+
+for hgrepo in "$hgdir"/*; do
+
+    if [ ! -d "$hgrepo/.hg" ]; then
+	echo "Directory $hgrepo does not appear to be a Mercurial repo, skipping"
+	continue
+    fi
+
+    reponame=$(basename "$hgrepo")
+    authormap="$authordir/authormap_$reponame"
+    gitrepo="$gitdir/$reponame"
+
+    if [ ! -f "$authormap" ]; then
+	echo "Authormap file $authormap not found for repo $hgrepo, skipping: the create-repo-authormaps script already run by this script should have created an authormap file (even if empty) for every repo with a corresponding project"
+	continue
+    fi
+    
+    if [ ! -d "$gitrepo" ]; then
+	git init "$gitrepo"
+    fi
+
+    echo "About to run fast export..."
+    
+    (
+	cd "$gitrepo"
+	"$fastexport" -r "$hgrepo" -A "$authormap"
+    )
+
+    echo "Fast export done"
+    
+done
+
+echo "All done"
+