Pass branch option into recursive call within Install - for the cases whenever install is invoked with URL(s)

[yarikoptic]

Happens whenever install is invoked with a URL and --branch option. Closes #7461.

TODO:

• test that case, so far tests had explicit "source" specified and thus did not trigger this code path

[yarikoptic]

unrelated change, I will drop

[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: +0.60% 🎉

Comparison is base (928498e) 90.73% compared to head (e9225f3) 91.34%.

Additional details and impacted files

@@            Coverage Diff             @@
##            maint    #7463      +/-   ##
==========================================
+ Coverage   90.73%   91.34%   +0.60%     
==========================================
  Files         325      325              
  Lines       43399    43407       +8     
  Branches        0     5818    +5818     
==========================================
+ Hits        39380    39650     +270     
+ Misses       4019     3742     -277     
- Partials        0       15      +15     

Files Changed	Coverage Δ
datalad/distribution/install.py	98.86% <ø> (ø)
datalad/distribution/tests/test_install.py	99.81% <100.00%> (+<0.01%)	⬆️

... and 39 files with indirect coverage changes

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[yarikoptic]

eh, travis is unhappy but seems unrelated e.g.

FAILED ../datalad/customremotes/tests/test_archives.py::test_basic_scenario - datalad.runner.exception.CommandError: CommandError: 'git -c diff.ignoreSubmodules=none -c core.quotepath=false annex get -c annex.retry=3 --json --json-error-messages --json-progress -c annex.dotfiles=true -- ' |;&%b5{}'"'"'"<>ΔЙקم๗あ .dbtc '' failed with exitcode 1 under /tmp/datalad_temp_tree_test_basic_scenario14h3468n [info keys: stdout_json]
> from datalad-archives...
Unable to access these remotes: datalad-archives
  Failed to fetch any archive containing MD5E-s3--202cb962ac59075b964b07152d234b70. Tried: ['MD5E-s142--e1f8dde8c4d4160878d6a0210869cfd6.tar.gz']
  Failed to fetch any archive containing MD5E-s3--202cb962ac59075b964b07152d234b70. Tried: ['MD5E-s142--e1f8dde8c4d4160878d6a0210869cfd6.tar.gz', 'MD5E-s142--e1f8dde8c4d4160878d6a0210869cfd6.tar.gz']
  Failed to fetch any archive containing MD5E-s3--202cb962ac59075b964b07152d234b70. Tried: ['MD5E-s142--e1f8dde8c4d4160878d6a0210869cfd6.tar.gz', 'MD5E-s142--e1f8dde8c4d4160878d6a0210869cfd6.tar.gz'] [err: 'get: 1 failed']
FAILED ../datalad/customremotes/tests/test_archives.py::test_annex_get_from_subdir - datalad.runner.exception.CommandError: CommandError: 'git annex drop -- ' |;&%b5{}'"'"'"<>ΔЙקم๗あ .datc '' failed with exitcode 1
FAILED ../datalad/tests/test_archives.py::test_ExtractedArchive - AssertionError: /tmp/datalad_temp_1e1e0ce8ee_5_370fyp/ |;&%b5{}'"<>ΔЙקم๗あ .dbtc / |;&%b5{}'"<>ΔЙקم๗あ .datc  must exist
FAILED ../datalad/tests/test_archives.py::test_decompress_file[None] - assert False
FAILED ../datalad/tests/test_archives.py::test_decompress_file[strip] - assert False
= 5 failed, 1134 passed, 52 skipped, 3 xfailed, 22 warnings in 942.58s (0:15:42) =

so I will take it out of draft.

[mslw]

Looks like a fix to me 💯

[yarikoptic-gitmate]

PR released in 0.19.3