Learn BashScript from Daniel Robbins ／*003*／

1 # /etc/ebuild.conf:set system-wide ebuild options in this file
2 # MAKEOPTS are options passed to make
3 MAKEOPTS="-j2" 

1 #this ebuild file overrides the default user_compile()
2 P=e2fsprogs-1.18
3 A=${P}.tar.gz
4 user_compile() {
5 　　./configure --enable-elf-shlibs
6 make
7 }　　#e2fsprogs.ebuild

 1 #!/usr/bin/env bash
 2 if [ $# -ne 2 ]
 3 then
 4 　　echo "Please specify ebuild file and unpack, compile or all"
 5 exit 1
 6 fi
 7 source /etc/ebuild.conf
 8 if [ -z "$DISTDIR" ]
 9 then
10 # set DISTDIR to /usr/src/distfiles if not already set
11 　　DISTDIR=/usr/src/distfiles
12 fi
13 export DISTDIR
14 ebuild_unpack() {
15 　　#make sure we‘re in the right directory
16 　　cd ${ORIGDIR}
17 if [ -d ${WORKDIR} ]
18 then
19 　　rm -rf ${WORKDIR}
20 fi
21 mkdir ${WORKDIR}
22 cd ${WORKDIR}
23 if [ ! -e ${DISTDIR}/${A} ]
24 then
25 　　echo "${DISTDIR}/${A} does not exist. Please download first."
26 exit 1
27 fi
28 tar xzf ${DISTDIR}/${A}
29 echo "Unpacked ${DISTDIR}/${A}."
30 #source is now correctly unpacked
31 }
32 user_compile()
33 {
34 #we‘re already in ${SRCDIR}
35 if [ -e configure ]
36 then
37 #run configure script if it exists
38 　　./configure --prefix=/usr
39 fi
40 　　#run make
41 　　make $MAKEOPTS MAKE="make $MAKEOPTS"
42 }
43 ebuild_compile() {
44 if [ ! -d "${SRCDIR}" ]
45 then
46 　　echo "${SRCDIR} does not exist -- please unpack first."
47 exit 1
48 fi
49 #make sure we‘re in the right directory
50 cd ${SRCDIR}
51 user_compile
52 }
53 export ORIGDIR=`pwd`
54 export WORKDIR=${ORIGDIR}/work
55 if [ -e "$1" ]
56 then
57 　　source $1
58 else
59 　　echo "Ebuild file $1 not found."
60 exit 1
61 fi
62 export SRCDIR=${WORKDIR}/${P}
63 case "${2}" in
64 　　unpack)
65 　　　　ebuild_unpack ;;
66 　　compile)
67 　　　　ebuild_compile ;;
68 　　all)
69 　　　　ebuild_unpack ebuild_compile ;;
70 　　*)
71 　　　　echo "Please specify unpack, compile or all as the second arg"
72 　　　　exit 1 ;;
73 esac