aboutsummaryrefslogtreecommitdiff
path: root/src/mkpatch
diff options
context:
space:
mode:
Diffstat (limited to 'src/mkpatch')
-rw-r--r--src/mkpatch145
1 files changed, 145 insertions, 0 deletions
diff --git a/src/mkpatch b/src/mkpatch
new file mode 100644
index 0000000..bbf990b
--- /dev/null
+++ b/src/mkpatch
@@ -0,0 +1,145 @@
+#!/bin/bash
+#
+# mkpatch: Simple patch program to .mkbuild models
+# feedback: rudsonaalves at yahoo.com.br | gpl
+#
+# mkbuild is free software; you can redistribute it and/or modify it under the
+# terms of the GNU General Public License as published by the Free Software
+# Foundation; either version 2 of the License, or any later version.
+#
+# mkbuild is distributed in the hope that it will be useful, but WITHOUT ANY
+# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+# A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along with
+# this program; if not, write to the Free Software Foundation, Inc., 59 Temple
+# Place - Suite 330, Boston, MA 02111-1307, USA
+#
+# Input:
+# - $1 Diff_File
+# - #2 Source_File
+#
+# Version:
+PROG_VERSION=1.1
+BASENAME=`basename $0`
+
+function get_line {
+
+ # get a line $1 from file $2
+ [ $# -ne 2 ] && exit $ERROR_PAR_NUMBER
+ ! is_number $1 && exit $ERROR_NOT_NUMBER
+ [ ! -e $2 ] && exit $ERROR_FILE_NOTFOUND
+
+ sed "$1 q;d" $2
+}
+
+function get_diff_line {
+
+ # get diff line e return:
+ # - Action in Diff_Action
+ # - Diff Line in Diff_Str_Line
+ if [ $1 -gt $Diff_N_Lines ]; then
+ Diff_Action=" "
+ Diff_Str_Line=""
+ return 0
+ fi
+ Line=`get_line $1 $2`
+ Diff_Action=`echo "$Line" | cut -c1`
+ Diff_Str_Line=`echo "$Line" | cut -c2-`
+}
+
+
+# ----------------------------------------------------------------
+# ------------------- mkpatch program ----------------------------
+# common.sh library start
+COMMON_SH="/usr/libexec/simplepkg/common.sh"
+if [ -f "$COMMON_SH" ]; then
+ source $COMMON_SH
+else
+ echo "$BASENAME: file $COMMON_SH not found. Check your $BASENAME installation"
+fi
+
+# Load error codes
+error_codes
+# ----------------
+
+if [ "$1" = "--help" -o "$1" = "-h" ]; then
+ echo "Use: $BASENAME <diff_file> <source_file>"
+ exit $ERROR_HELP
+fi
+
+# Check input parameters
+[ $# -ne 2 ] && exit $ERROR_PAR_NUMBER
+[ ! -e $1 ] && exit $ERROR_FILE_NOTFOUND
+[ ! -e $2 ] && exit $ERROR_FILE_NOTFOUND
+
+# Start variables
+Diff_File=$1
+Source_File=$2
+Diff_N_Lines=`wc -l $1 | cut -f1 -d" "`
+Source_N_Lines=`wc -l $2 | cut -f1 -d" "`
+
+# Start vars
+Diff_Line=1
+Diff_Pointer=1
+Status_Diff=0
+
+# Get frist Diff_File line
+get_diff_line $Diff_Line $Diff_File || exit $?
+
+Source_Line=1
+# Get frist Source_File line
+Source_Str_Line=`get_line $Source_Line $Source_File` || exit $?
+while [ $Source_Line -le $Source_N_Lines ]; do
+ # make Actions
+ case $Diff_Action in
+ '-')
+ if [ "$Source_Str_Line" = "$Diff_Str_Line" ]; then
+ Status_Diff=1
+ let Diff_Line++
+ else
+ Diff_Line=$Diff_Pointer
+ Status_Diff=0
+ echo "$Source_Str_Line"
+ fi
+ get_diff_line $Diff_Line $Diff_File || exit $?
+ let Source_Line++
+ Source_Str_Line=`get_line $Source_Line $Source_File` || exit $?
+ ;;
+ '+')
+ echo "$Diff_Str_Line"
+ let Diff_Line++
+ get_diff_line $Diff_Line $Diff_File || exit $?
+ ;;
+ ' ')
+ if [ "$Source_Str_Line" = "$Diff_Str_Line" ]; then
+ Status_Diff=1
+ let Diff_Line++
+ else
+ Status_Diff=0
+ Diff_Line=$Diff_Pointer
+ fi
+ echo "$Source_Str_Line"
+ get_diff_line $Diff_Line $Diff_File || exit $?
+ let Source_Line++
+ Source_Str_Line=`get_line $Source_Line $Source_File` || exit $?
+ ;;
+ '=')
+ let Diff_Line++
+ Status_Diff=0
+ Diff_Pointer=$Diff_Line
+ get_diff_line $Diff_Line $Diff_File || exit $?
+ ;;
+ *)
+ echo "Invalid diff action."
+ exit $ERROR_MKPATCH
+ ;;
+ esac
+done
+
+# Make others addline "+" in the end file
+while [ "$Diff_Action" = "+" -a $Diff_Line -le $Diff_N_Lines ]; do
+ echo "$Diff_Str_Line"
+ let Diff_Line++
+ get_diff_line $Diff_Line $Diff_File || exit $?
+done