[yocto] How to extract an archive in a git repostry and copy it to a defined position in the rootfs?

[S.Jaritz at esa-grimma.de]

Hej

I like to build an package out of a git repro. This git repro contains 
compressed files. One of these files I like to copy into my package. I 
looked into the documentation, but it is only described how to use the 
fetcher of bitbake. Think I need to add some extra lines of instruction 
after fetching.

Maybe you have an idea how to solve that.

My example:
#Source:
-> gitsm:/myGitServer.com/UnpackExample;protocol=http;branch=master
-> Dir struct:
- UnpackExample
        - win
        - linux
                - x86
                - arm
                        - example.tar.gz
#Dest:
example.tar.gz -> opt/*.*
del opt/xyz.bin

#Pseudo recipe:
SUMMARY = "my test"
SECTION = "test"
LICENSE = "CLOSED"

PVBASE := "${PV}"
PV = "${PVBASE}.${SRCPV}"

SRCREV = "${AUTOREV}"
SRC_URI = 
"gitsm:/myGitServer.com/UnpackExample;protocol=http;branch=master"

S = "${WORKDIR}/git/linux/arm"

??? do_fetch_append () {
???     extract ${S}/example.tar.gz
??? }


??? do_install () {
???     copy ${S}/ ${D}/opt/
??? }

FILES_${PN} += "/opt/*"

# skip QA that is checking for the GNU_HASH
INSANE_SKIP_${PN} += "ldflags"
########## end of recipe ####################

Regards!

Stefan
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E-Mail: s.jaritz at esa-grimma.de
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