From 55de6782af681888ba6e521e7b9bd442a5b1a5cb Mon Sep 17 00:00:00 2001 From: tv Date: Tue, 5 Feb 2019 11:00:10 +0100 Subject: tv bash-fzf-history: init --- tv/5pkgs/simple/bash-fzf-history.nix | 91 ++++++++++++++++++++++++++++++++++++ 1 file changed, 91 insertions(+) create mode 100644 tv/5pkgs/simple/bash-fzf-history.nix (limited to 'tv/5pkgs/simple/bash-fzf-history.nix') diff --git a/tv/5pkgs/simple/bash-fzf-history.nix b/tv/5pkgs/simple/bash-fzf-history.nix new file mode 100644 index 0000000..e9a21b9 --- /dev/null +++ b/tv/5pkgs/simple/bash-fzf-history.nix @@ -0,0 +1,91 @@ +with import ; +{ pkgs + +, edit-key ? "ctrl-e" +, exec-key ? "enter" +, edit-mark ? "${mark-prefix}${edit-key}" +, exec-mark ? "${mark-prefix}${exec-key}" +, edit-command ? "\"\"" +, exec-command ? "accept-line" +, mark-prefix ? " #FZFKEY:" +, finish-keyseq ? "\\C-x\\C-p" +, rebind-keyseq ? "\\C-x\\C-o" + +, start-keyseq ? "\\C-f" +, load-keyseq ? start-keyseq +}: let + script = pkgs.writeBash "bash-fzf-history.sh" '' + if ! command -v fzf >/dev/null; then + # Alternatively rewrite ${pkgs.fzf}/share/fzf/* to use absolute paths. + fzf() { + ${pkgs.fzf}/bin/fzf "$@" + } + fi + + . ${pkgs.fzf}/share/fzf/key-bindings.bash + . ${pkgs.fzf}/share/fzf/completion.bash + + FZF_DEFAULT_OPTS='${toString [ + /* sh */ "--height=40%" + /* sh */ "--inline-info" + /* sh */ "--min-height=4" + /* sh */ "--reverse" + ]}' + + __fzf_history__() ( + result=$( + HISTTIMEFORMAT= history | + FZF_DEFAULT_OPTS="${toString [ + /* sh */ "--tac" + /* sh */ "--sync" + /* sh */ "-n2..,.." + /* sh */ "--tiebreak=index" + /* sh */ "--bind=ctrl-r:toggle-sort" + /* sh */ "--expect=${edit-key},${exec-key}" + /* sh */ "$FZF_DEFAULT_OPTS" + /* sh */ "+m" + ]}" \ + ${pkgs.fzf}/bin/fzf + ) + if test -n "$result"; then + shopt -s extglob + + key=''${result%%$'\n'*} + line=''${result##*([^0-9])} + index=''${line%%[^0-9]*} + command=''${line##*([0-9 ])} + + echo "$command${mark-prefix}$key" + else + # Ensure no empty new line gets produced when fzf was aborted. + echo '${edit-mark}' + fi + ) + + __fzf_rebind_finish_keyseq__() { + local suffix= + case $READLINE_LINE in + *'${edit-mark}') + suffix='${edit-mark}' + bind '"${finish-keyseq}": ${edit-command}' + ;; + *'${exec-mark}') + suffix='${exec-mark}' + bind '"${finish-keyseq}": ${exec-command}' + ;; + esac + READLINE_LINE=${"\${READLINE_LINE:0:-\${#suffix}}"} + } + bind -x '"${rebind-keyseq}": __fzf_rebind_finish_keyseq__' + + bind '"\C-r": reverse-search-history' + bind '"${start-keyseq}": " \C-e\C-u\C-y\ey\C-u`__fzf_history__`\e\C-e\er\e^${rebind-keyseq}${finish-keyseq}"' + + echo '# fzf key bindings loaded:' >&2 + bind -s | ${pkgs.gnugrep}/bin/grep __fzf_ >&2 + ''; +in + script // + rec { + bind = /* sh */ ''bind -x '"${load-keyseq}": . ${script}' ''; + } -- cgit v1.2.3 From 710238039b5d326b57cdd1ca3a2606f322cc54a6 Mon Sep 17 00:00:00 2001 From: tv Date: Tue, 5 Feb 2019 11:53:31 +0100 Subject: tv bash-fzf-history: use array instead of extglob --- tv/5pkgs/simple/bash-fzf-history.nix | 22 +++++++++++++--------- 1 file changed, 13 insertions(+), 9 deletions(-) (limited to 'tv/5pkgs/simple/bash-fzf-history.nix') diff --git a/tv/5pkgs/simple/bash-fzf-history.nix b/tv/5pkgs/simple/bash-fzf-history.nix index e9a21b9..8b3fe9e 100644 --- a/tv/5pkgs/simple/bash-fzf-history.nix +++ b/tv/5pkgs/simple/bash-fzf-history.nix @@ -33,7 +33,8 @@ with import ; ]}' __fzf_history__() ( - result=$( + IFS=$'\n' + result=( $( HISTTIMEFORMAT= history | FZF_DEFAULT_OPTS="${toString [ /* sh */ "--tac" @@ -45,15 +46,18 @@ with import ; /* sh */ "$FZF_DEFAULT_OPTS" /* sh */ "+m" ]}" \ - ${pkgs.fzf}/bin/fzf - ) + ${pkgs.fzf}/bin/fzf | + ${pkgs.gnused}/bin/sed ' + /^ *[0-9]/{ + s/^ *// + s/ \+/\n/;# index + } + ' + ) ) if test -n "$result"; then - shopt -s extglob - - key=''${result%%$'\n'*} - line=''${result##*([^0-9])} - index=''${line%%[^0-9]*} - command=''${line##*([0-9 ])} + key=''${result[0]} + index=''${result[1]} + command=''${result[2]} echo "$command${mark-prefix}$key" else -- cgit v1.2.3 From 14a017e9e1b6784ac59c616821936e736cddad73 Mon Sep 17 00:00:00 2001 From: tv Date: Tue, 5 Feb 2019 11:54:03 +0100 Subject: tv bash-fzf-history: show timestamp --- tv/5pkgs/simple/bash-fzf-history.nix | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) (limited to 'tv/5pkgs/simple/bash-fzf-history.nix') diff --git a/tv/5pkgs/simple/bash-fzf-history.nix b/tv/5pkgs/simple/bash-fzf-history.nix index 8b3fe9e..7b92ea0 100644 --- a/tv/5pkgs/simple/bash-fzf-history.nix +++ b/tv/5pkgs/simple/bash-fzf-history.nix @@ -35,8 +35,9 @@ with import ; __fzf_history__() ( IFS=$'\n' result=( $( - HISTTIMEFORMAT= history | + HISTTIMEFORMAT=$'\e[38;5;244m%Y-%m-%dT%H:%M:%S\e[m ' history | FZF_DEFAULT_OPTS="${toString [ + /* sh */ "--ansi" /* sh */ "--tac" /* sh */ "--sync" /* sh */ "-n2..,.." @@ -51,13 +52,15 @@ with import ; /^ *[0-9]/{ s/^ *// s/ \+/\n/;# index + s/ \+/\n/;# date } ' ) ) if test -n "$result"; then key=''${result[0]} index=''${result[1]} - command=''${result[2]} + date=''${result[2]} + command=''${result[3]} echo "$command${mark-prefix}$key" else -- cgit v1.2.3 From 4e50762689b334f305189bf60dd3b96029a92d97 Mon Sep 17 00:00:00 2001 From: tv Date: Tue, 5 Feb 2019 13:11:46 +0100 Subject: tv bash-fzf-history: support unknown timestamps --- tv/5pkgs/simple/bash-fzf-history.nix | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'tv/5pkgs/simple/bash-fzf-history.nix') diff --git a/tv/5pkgs/simple/bash-fzf-history.nix b/tv/5pkgs/simple/bash-fzf-history.nix index 7b92ea0..b603ded 100644 --- a/tv/5pkgs/simple/bash-fzf-history.nix +++ b/tv/5pkgs/simple/bash-fzf-history.nix @@ -35,7 +35,12 @@ with import ; __fzf_history__() ( IFS=$'\n' result=( $( + # To add "unknown timestamps" to each line of the history: + # sed -i '/^#[0-9]/{n;b};s/^/#1\n/' "$HISTFILE" HISTTIMEFORMAT=$'\e[38;5;244m%Y-%m-%dT%H:%M:%S\e[m ' history | + ${pkgs.gnused}/bin/sed ' + s/\(\x1b\[[0-9;]*\)244m1970-[0-9T:-]*/\1237m????-??-??T??:??:??/ + ' | FZF_DEFAULT_OPTS="${toString [ /* sh */ "--ansi" /* sh */ "--tac" -- cgit v1.2.3 From bfbeca92fb2c85edd1bbbed34ed3d27f854ed406 Mon Sep 17 00:00:00 2001 From: tv Date: Sat, 16 Feb 2019 16:01:03 +0100 Subject: tv bash-fzf-history: use overrideDerivation --- tv/5pkgs/simple/bash-fzf-history.nix | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'tv/5pkgs/simple/bash-fzf-history.nix') diff --git a/tv/5pkgs/simple/bash-fzf-history.nix b/tv/5pkgs/simple/bash-fzf-history.nix index b603ded..88a8e9e 100644 --- a/tv/5pkgs/simple/bash-fzf-history.nix +++ b/tv/5pkgs/simple/bash-fzf-history.nix @@ -97,7 +97,6 @@ with import ; bind -s | ${pkgs.gnugrep}/bin/grep __fzf_ >&2 ''; in - script // - rec { + script.overrideAttrs (old: rec { bind = /* sh */ ''bind -x '"${load-keyseq}": . ${script}' ''; - } + }) -- cgit v1.2.3