fix postinstallcmds in shovill easyconfigs

[Flamefire]

• Create the script containing the (unexpanded) $EBROOT* variables.
• Quote string to be echoed to make it easier to read and avoid the escaping

Extracted from #11149

$ cat software/shovill/1.1.0-gompi-2021b/bin/{pilon,trimmomatic}
exec java -jar "$EBROOTPILON"/pilon-*.jar "$@"
exec java -jar "$EBROOTTRIMMOMATIC"/trimmomatic-*.jar "$@"

@jfgrimm @boegel

[Flamefire]

Test report by @Flamefire
SUCCESS
Build succeeded for 3 out of 3 (3 easyconfigs in total)
taurusi6403.taurus.hrsk.tu-dresden.de - Linux RHEL 7.9, x86_64, Intel(R) Xeon(R) CPU E5-2680 v3 @ 2.50GHz (haswell), Python 2.7.5
See https://gist.github.com/affc8dafd48f91aa5c86dc0ade1b73bb for a full test report.

[jfgrimm]

Test report by @jfgrimm
FAILED
Build succeeded for 44 out of 51 (3 easyconfigs in total)
himem06.pri.viking.alces.network - Linux CentOS Linux 7.9.2009, x86_64, Intel(R) Xeon(R) Platinum 8160 CPU @ 2.10GHz (skylake_avx512), Python 3.6.8
See https://gist.github.com/b9ff7d7d00a18ffeeff71932002b5d53 for a full test report.

[Flamefire]

@jfgrimm I noticed URLs for MEGAHIT and Velvet have changed (see Slack) and downloaded them manually. Might be worth fixing the ECs but as I don't have the old archives I couldn't compare them. Installation did work though.

[lexming]

@boegelbot: please test @ generoso
EB_ARGS="shovill-1.1.0-gompi-2021b.eb"

[boegelbot]

@lexming: Request for testing this PR well received on login1

PR test command 'EB_PR=17279 EB_ARGS="shovill-1.1.0-gompi-2021b.eb" EB_CONTAINER= /opt/software/slurm/bin/sbatch --job-name test_PR_17279 --ntasks=4 ~/boegelbot/eb_from_pr_upload_generoso.sh' executed!

• exit code: 0
• output:

Submitted batch job 10211

Test results coming soon (I hope)...

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[boegelbot]

Test report by @boegelbot
SUCCESS
Build succeeded for 1 out of 1 (1 easyconfigs in total)
cns1 - Linux Rocky Linux 8.5, x86_64, Intel(R) Xeon(R) CPU E5-2667 v3 @ 3.20GHz (haswell), Python 3.6.8
See https://gist.github.com/f935bdac86b6b6c36f8c32226a382fd0 for a full test report.

[lexming]

Test report by @lexming
SUCCESS
Build succeeded for 3 out of 3 (3 easyconfigs in total)
node306.hydra.os - Linux CentOS Linux 7.9.2009, x86_64, Intel(R) Xeon(R) Gold 6148 CPU @ 2.40GHz, Python 3.6.8
See https://gist.github.com/a087afea8d5d8622d800f733826285c6 for a full test report.

[lexming]

LGTM

[lexming]

Going in, thanks @Flamefire !