MerSDK bash-3.2$ sb2 -t $VENDOR-$DEVICE-armv7hl -m sdk-install -R zypper ar http://repo.merproject.org/obs/home:/sledge:/mer/latest_i486/ curlfix
Adding repository 'curlfix' ..............................................[done]
Repository 'curlfix' successfully added
Enabled: Yes
Autorefresh: No
GPG check: Yes
URI: http://repo.merproject.org/obs/home:/sledge:/mer/latest_i486/

MerSDK bash-3.2$ sb2 -t $VENDOR-$DEVICE-armv7hl -m sdk-install -R zypper ref curlfix
Retrieving repository 'curlfix' metadata ------------------------------------[|]
File 'repomd.xml' from repository 'curlfix' is unsigned, continue? [yes/no] (no): yes
Retrieving repository 'curlfix' metadata .................................[done]
Building repository 'curlfix' cache ......................................[done]
Specified repositories have been refreshed.
MerSDK bash-3.2$ sb2 -t $VENDOR-$DEVICE-armv7hl -m sdk-install -R zypper dup --from curlfix
Download (curl) error for 'https://releases.jolla.com/releases/1.1.7.24/hotfixes/armv7hl/repodata/repomd.xml':
Error code: Unrecognized error
Error message: SSL certificate problem: self signed certificate in certificate chain

Abort, retry, ignore? [a/r/i/?] (a): r
Download (curl) error for 'https://releases.jolla.com/releases/1.1.7.24/hotfixes/armv7hl/repodata/repomd.xml':
Error code: Unrecognized error
Error message: SSL certificate problem: self signed certificate in certificate chain

Abort, retry, ignore? [a/r/i/?] (a): i
Error building the cache:
[|] Valid metadata not found at specified URL(s)
Warning: Disabling repository 'hotfixes' because of the above error.
Download (curl) error for 'https://releases.jolla.com/releases/1.1.7.24/jolla/armv7hl/repodata/repomd.xml':
Error code: Unrecognized error
Error message: SSL certificate problem: self signed certificate in certificate chain

Abort, retry, ignore? [a/r/i/?] (a): i
Error building the cache:
[|] Valid metadata not found at specified URL(s)
Warning: Disabling repository 'jolla' because of the above error.
Download (curl) error for 'https://releases.jolla.com/releases/1.1.7.24/mer-tools/builds/armv7hl/packages/repodata/repomd.xml':
Error code: Unrecognized error
Error message: SSL certificate problem: self signed certificate in certificate chain

Abort, retry, ignore? [a/r/i/?] (a): i
Error building the cache:
[|] Valid metadata not found at specified URL(s)
Warning: Disabling repository 'mer-tools' because of the above error.
Download (curl) error for 'https://releases.jolla.com/releases/1.1.7.24/sdk/armv7hl/repodata/repomd.xml':
Error code: Unrecognized error
Error message: SSL certificate problem: self signed certificate in certificate chain

Abort, retry, ignore? [a/r/i/?] (a): i
Error building the cache:
[|] Valid metadata not found at specified URL(s)
Warning: Disabling repository 'sdk' because of the above error.
Loading repository data...
Reading installed packages...
Computing distribution upgrade...

Nothing to do.
MerSDK bash-3.2$