[GRASS-git] [OSGeo/grass] a4257a: g.download.location: Print target path in error me...

[Markus Neteler]

  Branch: refs/heads/main
  Home:   https://github.com/OSGeo/grass
  Commit: a4257a13182275acb50609c43207970d48250da6
      https://github.com/OSGeo/grass/commit/a4257a13182275acb50609c43207970d48250da6
  Author: Markus Neteler <neteler at osgeo.org>
  Date:   2024-08-19 (Mon, 19 Aug 2024)

  Changed paths:
    M scripts/g.download.location/g.download.location.html
    M scripts/g.download.location/g.download.location.py

  Log Message:
  -----------
  g.download.location: Print target path in error message (#4155)

* g.download.location: print target path in error message

To be less obscure in case the target location directory already exists:

```
ERROR: Location named <nc_spm_full_v2alpha2> already exists, download
       canceled
```

this PR improves the error message to include the path:

```
g.download.location url=https://grass.osgeo.org/sampledata/north_carolina/nc_spm_full_v2alpha2.tar.gz path=$HOME
ERROR: Location named <nc_spm_full_v2alpha2> already exists in
       </home/mneteler/nc_spm_full_v2alpha2>, download canceled
```

This is esp. relevant for scripted usage when the command isn't invoked directly by the user.

In addition, section  of **EXAMPLES** added.

* fix message format

Co-authored-by: Vaclav Petras <wenzeslaus at gmail.com>

* database -> project

Co-authored-by: Veronica Andreo <veroandreo at gmail.com>

---------

Co-authored-by: Vaclav Petras <wenzeslaus at gmail.com>
Co-authored-by: Veronica Andreo <veroandreo at gmail.com>



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