I'm trying to get this command line working in Fish.
git show $(git log --pretty=oneline | fzf | cut -d ' ' -f1)
What is supposed to happen is git log --pretty=oneline | fzf | cut -d ' ' -f1 lets you select a commit interactively from git log and then returns the commit hash which is passed to git show.
I thought Fish uses parentheses for "subcommands" but this doesn't work.
git show (git log --pretty=oneline | fzf | cut -d ' ' -f1)
It goes straight to the default output of git show which is the HEAD commit.
I suspect my idea of how the shell works is incorrect. Any help appreciated.
UPDATE
This is the output from the pipeline
$ git log --pretty=oneline | fzf | cut -d ' ' -f1
3eb7a8fa09ac94cf4a76109b896f7ba58959f5a8
UPDATE 2
As answered by @faho, this is a bug in Fish.
You can workaround for now by using a tempfile
git log --pretty=oneline | fzf | cut -d ' ' -f1 > $TMPDIR/fzf.result; and git show (cat $TMPDIR/fzf.result)`
Or, more succinctly using xargs
git log --pretty=oneline | fzf | cut -d ' ' -f1 | xargs -o git show
This is fish issue #1362, which is also mentioned in fzf's readme.
There's an easy workaround: Instead of a command substitution, use read, like
git log --pretty=oneline | fzf | cut -d ' ' -f 1 | read -l answer
git show $answer
(fzf currently uses a tempfile in its fish bindings, but I'm working on rectifying that)