Calling git command from PowerShell

Question

When I call git from a PowerShell script I start to run into problems when I run more complex commands:

    # Work fine
    git log

    # Gives error
    git log `git describe --tags --abbrev=0 HEAD^`..HEAD --oneline --count

Error:

fatal: ambiguous argument 'git': unknown revision or path not in the working tree.
Use '--' to separate paths from revisions, like this:
'git <command> [<revision>...] -- [<file>...]'

Is there a good way to encapsulate these long commands when calling them from PowerShell?

Are you certain that the inner command, git describe --tags --abbrev=0 HEAD^, works by itself? — Don Cruickshank
– Don Cruickshank, Commented Jan 29, 2016 at 11:13

Don Cruickshank · Accepted Answer · 2016-01-29 11:18:16Z

2

You can use $() to perform the substitution within a string to get this to work.

git log "$(git describe --tags --abbrev=0 HEAD^)..HEAD" --oneline --count

The backtick character is used as an escape character in PowerShell much like backslash is used in Unix shells.

edited Jan 29, 2016 at 11:18

answered Jan 29, 2016 at 11:09

Don Cruickshank

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