mirror of
https://github.com/git/git
synced 2024-08-27 11:39:22 +00:00
completion: wrap __git_refs() for better option parsing
__git_refs() currently accepts two optional positional parameters: a
remote and a flag for 'git checkout's tracking DWIMery. To fix a
minor bug, and, more importantly, for faster refs completion, this
series will add three more parameters: a prefix, the current word to
be completed and a suffix, i.e. the options accepted by __gitcomp() &
friends, and will change __git_refs() to list only refs matching that
given current word and to add that given prefix and suffix to the
listed refs.
However, __git_refs() is the helper function that is most likely used
in users' custom completion scriptlets for their own git commands, and
we don't want to break those, so
- we can't change __git_refs()'s default output format, i.e. we
can't by default append a trailing space to every listed ref,
meaning that the suffix parameter containing the default trailing
space would have to be specified on every invocation, and
- we can't change the position of existing positional parameters
either, so there would have to be plenty of set-but-empty
placeholder positional parameters all over the completion script.
Furthermore, with five positional parameters it would be really hard
to remember which position means what.
To keep callsites simple, add the new wrapper function
__git_complete_refs() around __git_refs(), which:
- instead of positional parameters accepts real '--opt=val'-style
options and with minimalistic option parsing translates them to
__git_refs()'s and __gitcomp_nl()'s positional parameters, and
- includes the '__gitcomp_nl "$(__git_refs ...)" ...' command
substitution to make its behavior match its name and the behavior
of other __git_complete_* functions, and to limit future changes
in this series to __git_refs() and this new wrapper function.
Call this wrapper function instead of __git_refs() wherever possible
throughout the completion script, i.e. when __git_refs()'s output is
fed to __gitcomp_nl() right away without further processing, which
means all callsites except a single one in the __git_refs2() helper.
Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
SZEDER Gábor
Junio C Hamano
parent
c977eefd55
commit
15b4a16395
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@ -354,6 +354,8 @@ __git_tags ()
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# Can be the name of a configured remote, a path, or a URL.
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# 2: In addition to local refs, list unique branches from refs/remotes/ for
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# 'git checkout's tracking DWIMery (optional; ignored, if set but empty).
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#
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# Use __git_complete_refs() instead.
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__git_refs ()
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{
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local i hash dir track="${2-}"
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@ -446,6 +448,36 @@ __git_refs ()
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esac
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}
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# Completes refs, short and long, local and remote, symbolic and pseudo.
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#
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# Usage: __git_complete_refs [<option>]...
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# --remote=<remote>: The remote to list refs from, can be the name of a
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# configured remote, a path, or a URL.
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# --track: List unique remote branches for 'git checkout's tracking DWIMery.
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# --pfx=<prefix>: A prefix to be added to each ref.
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# --cur=<word>: The current ref to be completed. Defaults to the current
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# word to be completed.
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# --sfx=<suffix>: A suffix to be appended to each ref instead of the default
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# space.
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__git_complete_refs ()
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{
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local remote track pfx cur_="$cur" sfx=" "
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while test $# != 0; do
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case "$1" in
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--remote=*) remote="${1##--remote=}" ;;
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--track) track="yes" ;;
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--pfx=*) pfx="${1##--pfx=}" ;;
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--cur=*) cur_="${1##--cur=}" ;;
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--sfx=*) sfx="${1##--sfx=}" ;;
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*) return 1 ;;
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esac
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shift
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done
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__gitcomp_nl "$(__git_refs "$remote" "$track")" "$pfx" "$cur_" "$sfx"
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}
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# __git_refs2 requires 1 argument (to pass to __git_refs)
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__git_refs2 ()
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{
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@ -554,15 +586,15 @@ __git_complete_revlist_file ()
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*...*)
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pfx="${cur_%...*}..."
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cur_="${cur_#*...}"
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__gitcomp_nl "$(__git_refs)" "$pfx" "$cur_"
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__git_complete_refs --pfx="$pfx" --cur="$cur_"
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;;
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*..*)
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pfx="${cur_%..*}.."
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cur_="${cur_#*..}"
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__gitcomp_nl "$(__git_refs)" "$pfx" "$cur_"
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__git_complete_refs --pfx="$pfx" --cur="$cur_"
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;;
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*)
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__gitcomp_nl "$(__git_refs)"
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__git_complete_refs
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;;
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esac
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}
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@ -649,21 +681,21 @@ __git_complete_remote_or_refspec ()
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if [ $lhs = 1 ]; then
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__gitcomp_nl "$(__git_refs2 "$remote")" "$pfx" "$cur_"
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else
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__gitcomp_nl "$(__git_refs)" "$pfx" "$cur_"
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__git_complete_refs --pfx="$pfx" --cur="$cur_"
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fi
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;;
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pull|remote)
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if [ $lhs = 1 ]; then
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__gitcomp_nl "$(__git_refs "$remote")" "$pfx" "$cur_"
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__git_complete_refs --remote="$remote" --pfx="$pfx" --cur="$cur_"
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else
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__gitcomp_nl "$(__git_refs)" "$pfx" "$cur_"
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__git_complete_refs --pfx="$pfx" --cur="$cur_"
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fi
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;;
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push)
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if [ $lhs = 1 ]; then
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__gitcomp_nl "$(__git_refs)" "$pfx" "$cur_"
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__git_complete_refs --pfx="$pfx" --cur="$cur_"
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else
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__gitcomp_nl "$(__git_refs "$remote")" "$pfx" "$cur_"
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__git_complete_refs --remote="$remote" --pfx="$pfx" --cur="$cur_"
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fi
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;;
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esac
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@ -1061,7 +1093,7 @@ _git_bisect ()
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case "$subcommand" in
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bad|good|reset|skip|start)
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__gitcomp_nl "$(__git_refs)"
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__git_complete_refs
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;;
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*)
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;;
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@ -1083,7 +1115,7 @@ _git_branch ()
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case "$cur" in
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--set-upstream-to=*)
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__gitcomp_nl "$(__git_refs)" "" "${cur##--set-upstream-to=}"
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__git_complete_refs --cur="${cur##--set-upstream-to=}"
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;;
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--*)
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__gitcomp "
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@ -1097,7 +1129,7 @@ _git_branch ()
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if [ $only_local_ref = "y" -a $has_r = "n" ]; then
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__gitcomp_nl "$(__git_heads)"
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else
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__gitcomp_nl "$(__git_refs)"
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__git_complete_refs
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fi
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;;
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esac
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@ -1140,18 +1172,18 @@ _git_checkout ()
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*)
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# check if --track, --no-track, or --no-guess was specified
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# if so, disable DWIM mode
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local flags="--track --no-track --no-guess" track=1
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local flags="--track --no-track --no-guess" track_opt="--track"
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if [ -n "$(__git_find_on_cmdline "$flags")" ]; then
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track=''
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track_opt=''
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fi
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__gitcomp_nl "$(__git_refs '' $track)"
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__git_complete_refs $track_opt
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;;
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esac
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}
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_git_cherry ()
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{
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__gitcomp_nl "$(__git_refs)"
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__git_complete_refs
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}
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_git_cherry_pick ()
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@ -1166,7 +1198,7 @@ _git_cherry_pick ()
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__gitcomp "--edit --no-commit --signoff --strategy= --mainline"
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;;
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*)
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__gitcomp_nl "$(__git_refs)"
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__git_complete_refs
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;;
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esac
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}
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@ -1216,7 +1248,7 @@ _git_commit ()
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{
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case "$prev" in
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-c|-C)
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__gitcomp_nl "$(__git_refs)"
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__git_complete_refs
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return
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;;
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esac
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@ -1229,7 +1261,7 @@ _git_commit ()
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;;
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--reuse-message=*|--reedit-message=*|\
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--fixup=*|--squash=*)
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__gitcomp_nl "$(__git_refs)" "" "${cur#*=}"
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__git_complete_refs --cur="${cur#*=}"
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return
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;;
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--untracked-files=*)
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@ -1267,7 +1299,7 @@ _git_describe ()
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"
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return
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esac
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__gitcomp_nl "$(__git_refs)"
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__git_complete_refs
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}
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__git_diff_algorithms="myers minimal patience histogram"
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@ -1453,7 +1485,7 @@ _git_grep ()
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;;
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esac
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__gitcomp_nl "$(__git_refs)"
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__git_complete_refs
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}
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_git_help ()
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@ -1621,7 +1653,7 @@ _git_merge ()
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--rerere-autoupdate --no-rerere-autoupdate --abort --continue"
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return
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esac
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__gitcomp_nl "$(__git_refs)"
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__git_complete_refs
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}
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_git_mergetool ()
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@ -1646,7 +1678,7 @@ _git_merge_base ()
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return
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;;
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esac
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__gitcomp_nl "$(__git_refs)"
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__git_complete_refs
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}
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_git_mv ()
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@ -1684,7 +1716,7 @@ _git_notes ()
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,*)
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case "$prev" in
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--ref)
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__gitcomp_nl "$(__git_refs)"
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__git_complete_refs
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;;
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*)
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__gitcomp "$subcommands --ref"
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@ -1693,7 +1725,7 @@ _git_notes ()
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;;
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add,--reuse-message=*|append,--reuse-message=*|\
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add,--reedit-message=*|append,--reedit-message=*)
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__gitcomp_nl "$(__git_refs)" "" "${cur#*=}"
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__git_complete_refs --cur="${cur#*=}"
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;;
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add,--*|append,--*)
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__gitcomp '--file= --message= --reedit-message=
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@ -1712,7 +1744,7 @@ _git_notes ()
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-m|-F)
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;;
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*)
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__gitcomp_nl "$(__git_refs)"
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__git_complete_refs
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;;
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esac
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;;
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@ -1750,10 +1782,10 @@ __git_complete_force_with_lease ()
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--*=)
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;;
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*:*)
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__gitcomp_nl "$(__git_refs)" "" "${cur_#*:}"
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__git_complete_refs --cur="${cur_#*:}"
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;;
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*)
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__gitcomp_nl "$(__git_refs)" "" "$cur_"
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__git_complete_refs --cur="$cur_"
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;;
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esac
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}
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@ -1829,7 +1861,7 @@ _git_rebase ()
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return
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esac
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__gitcomp_nl "$(__git_refs)"
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__git_complete_refs
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}
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_git_reflog ()
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@ -1840,7 +1872,7 @@ _git_reflog ()
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if [ -z "$subcommand" ]; then
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__gitcomp "$subcommands"
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else
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__gitcomp_nl "$(__git_refs)"
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__git_complete_refs
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fi
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}
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@ -1986,7 +2018,7 @@ _git_config ()
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return
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;;
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branch.*.merge)
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__gitcomp_nl "$(__git_refs)"
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__git_complete_refs
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return
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;;
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branch.*.rebase)
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@ -2460,7 +2492,7 @@ _git_remote ()
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_git_replace ()
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{
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__gitcomp_nl "$(__git_refs)"
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__git_complete_refs
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}
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_git_reset ()
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@ -2473,7 +2505,7 @@ _git_reset ()
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return
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;;
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esac
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__gitcomp_nl "$(__git_refs)"
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__git_complete_refs
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}
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_git_revert ()
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@ -2489,7 +2521,7 @@ _git_revert ()
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return
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;;
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esac
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__gitcomp_nl "$(__git_refs)"
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__git_complete_refs
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}
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_git_rm ()
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@ -2597,7 +2629,7 @@ _git_stash ()
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;;
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branch,*)
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if [ $cword -eq 3 ]; then
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__gitcomp_nl "$(__git_refs)";
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__git_complete_refs
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else
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__gitcomp_nl "$(__git stash list \
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| sed -n -e 's/:.*//p')"
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@ -2755,7 +2787,7 @@ _git_tag ()
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fi
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;;
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*)
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__gitcomp_nl "$(__git_refs)"
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__git_complete_refs
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;;
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esac
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@ -775,6 +775,112 @@ test_expect_success '__git_refs - unique remote branches for git checkout DWIMer
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test_cmp expected "$actual"
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'
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test_expect_success '__git_complete_refs - simple' '
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sed -e "s/Z$//" >expected <<-EOF &&
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HEAD Z
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master Z
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matching-branch Z
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other/branch-in-other Z
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other/master-in-other Z
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matching-tag Z
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EOF
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(
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cur= &&
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__git_complete_refs &&
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print_comp
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) &&
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test_cmp expected out
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'
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test_expect_success '__git_complete_refs - matching' '
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sed -e "s/Z$//" >expected <<-EOF &&
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matching-branch Z
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matching-tag Z
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EOF
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(
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cur=mat &&
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__git_complete_refs &&
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print_comp
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) &&
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test_cmp expected out
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'
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test_expect_success '__git_complete_refs - remote' '
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sed -e "s/Z$//" >expected <<-EOF &&
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HEAD Z
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branch-in-other Z
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master-in-other Z
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EOF
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(
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cur=
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__git_complete_refs --remote=other &&
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print_comp
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) &&
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test_cmp expected out
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'
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test_expect_success '__git_complete_refs - track' '
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sed -e "s/Z$//" >expected <<-EOF &&
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HEAD Z
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master Z
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matching-branch Z
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other/branch-in-other Z
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other/master-in-other Z
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matching-tag Z
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branch-in-other Z
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master-in-other Z
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EOF
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(
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cur=
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__git_complete_refs --track &&
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print_comp
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) &&
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test_cmp expected out
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'
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test_expect_success '__git_complete_refs - current word' '
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sed -e "s/Z$//" >expected <<-EOF &&
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matching-branch Z
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matching-tag Z
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EOF
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(
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cur="--option=mat" &&
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__git_complete_refs --cur="${cur#*=}" &&
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print_comp
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) &&
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test_cmp expected out
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'
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test_expect_success '__git_complete_refs - prefix' '
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sed -e "s/Z$//" >expected <<-EOF &&
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v1.0..matching-branch Z
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v1.0..matching-tag Z
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EOF
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(
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cur=v1.0..mat &&
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__git_complete_refs --pfx=v1.0.. --cur=mat &&
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print_comp
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) &&
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test_cmp expected out
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'
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test_expect_success '__git_complete_refs - suffix' '
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cat >expected <<-EOF &&
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HEAD.
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master.
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matching-branch.
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other/branch-in-other.
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other/master-in-other.
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matching-tag.
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EOF
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(
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cur= &&
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__git_complete_refs --sfx=. &&
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print_comp
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) &&
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test_cmp expected out
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'
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test_expect_success 'teardown after ref completion' '
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git branch -d matching-branch &&
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git tag -d matching-tag &&
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