chore(git-all): improve python and shell versions

knowledge base/fish.md

@@ -44,6 +44,35 @@ diff -y -W 200 \
 # Math.
 math 2 '+' 6
 time pulumi pre --parallel (math 2 '*' (nproc))
+
+# Array manipulation.
+echo (seq 10)[-1..1]  # -> 10 9 8 7 6 5 4 3 2 1
+set array "$array appended_element"
+
+# Define CLI options.
+# Use all lines.
+set -l opts
+set opts $opts (fish_opt -s 'c' -l 'command' --required-val)
+set opts $opts (fish_opt -s 'p' -l 'path' --multiple-vals)
+argparse $opts -- $argv
+or return
+echo $_flag_command
+echo $_flag_path
+echo $argv
+
+# Switch.
+switch $animal
+  case cat
+    echo evil
+  case wolf dog human moose dolphin whale
+    echo mammal
+  case duck goose albatross
+    echo bird
+  case shark trout stingray
+    echo fish
+  case '*'
+    echo I have no idea what a $animal is
+end
 ```
 
 For functions defined in files in `~/.config/fish/functions/` to be automatically available, the files need to:

knowledge base/gnu userland/parallel.md

@@ -23,8 +23,9 @@ parallel -qt -j 1 \
 
 # Get the exit status of all subjobs ('--joblog $outfile').
 # Use all the threads you can (--jobs 0), hammering the CPU.
+# Highlight in red jobs that failed.
 find . -type d -name .git -exec dirname "{}" + \
-| parallel --jobs 0 --tagstring {/} --joblog - \
+| parallel --jobs 0 --color-failed --tagstring {/} --joblog - \
     'git -C {} pull --recurse-submodules'
 
 # Inject Istio's sidecar to all Deployments in a Namespace.

scripts/git-all.py

@@ -93,7 +93,7 @@ def main(debug, directories, dry_run, git_subcommand, recursive, threads, verbos
 
     pre_flight(git_subcommand=git_subcommand_parts[0])
 
-    repositories = list(directories)
+    repositories = []
     if recursive:
         for directory in directories:
             logging.info(f"starting from '{directory}'")
@@ -104,7 +104,10 @@ def main(debug, directories, dry_run, git_subcommand, recursive, threads, verbos
             logging.debug(f"{directory} has repositories {', '.join(repositories_in_dir)}")
 
             repositories.extend(repositories_in_dir)
-        repositories = set(repositories)
+    else:
+        # Just trust the user gave repositories in input
+        repositories.extend(directories)
+    repositories = set(repositories)
     logging.debug(f"repositories: {', '.join(repositories)}")
 
     logging.debug(f"creating threads")

snippets/git.fish

@@ -0,0 +1,19 @@
+#!/usr/bin/env fish
+
+function git-all
+	if ! which -s parallel
+		echo "GNU parallel not found" >&2
+		return
+	end
+
+	argparse -s 'c/command=' 'p/path=+' 'r/recursive' -- $argv
+	or return
+
+	if test "$_flag_recursive" = '-r' || test "$_flag_recursive" = '--recursive'
+		set repositories (find $_flag_path -type 'd' -name '.git' -exec dirname {} +)
+	else
+		set repositories $_flag_path
+	end
+
+	parallel --color-failed --tagstring "{/}" "git -C {} $_flag_command" ::: $repositories
+end

snippets/git.sh

@@ -12,6 +12,7 @@ git config --local 'commit.gpgsign' true
 git config --local 'pull.rebase' false
 
 git clone --recurse-submodules 'git@github.com:example/ansible-role-keychron-capable.git'
+git clone 'https://gitlab-ci-token:glpat-01234567ABCDEFGHijkl@gitlab.example.org/testProj/myRepo.git'
 
 git branch --list --remote 'origin/*' | cut -d/ -f2
 
@@ -45,7 +46,6 @@ git reset --soft HEAD~1                     # or `git reset --soft HEAD^`
 git restore --staged '.lefthook-local.yml'  # or `git reset HEAD '.lefthook-local.yml'`
 git commit -c ORIG_HEAD
 
-
 ##
 # Change the default branch from 'master' to 'main'.
 # --------------------------------------
@@ -67,7 +67,6 @@ git symbolic-ref 'refs/remotes/origin/HEAD' 'refs/remotes/origin/main'
 # delete the master branch on the remote
 git push origin --delete 'master'
 
-
 # create patches from the last commit
 git format-patch -n HEAD^
 git format-patch HEAD^ -o './patchfile.patch'
@@ -75,3 +74,30 @@ git format-patch HEAD~1 --stdout
 
 # create patches from specific commits
 git format-patch -1 '3918a1d036e74d47a5c830e4bbabba6f507162b1'
+
+git-all () {
+	[[ -n $DEBUG ]] && set -o xtrace
+
+	local COMMAND
+	local FOLDERS=()
+	for (( I = $# ; I >= 0 ; I-- )); do
+		if [[ -d ${@[$I]} ]]; then
+			FOLDERS+=${@[$I]}
+		else
+			COMMAND="${@[1,-$((${#FOLDERS}+1))]}"
+			break
+		fi
+	done
+	if [[ -z "$COMMAND" ]]; then
+		echo "error: no command given" >&2
+		return
+	fi
+	local REPOSITORIES=( $(find ${FOLDERS[@]:-'.'} -type d -name .git -exec dirname '{}' \;) )
+
+	parallel --color-failed --tagstring "{/}" "git -C {} $COMMAND" ::: ${REPOSITORIES[@]}
+	# echo -n ${REPOSITORIES[@]} | xargs -d ' ' -tP 0 -I git -C "{}" $(echo ${COMMAND[@]})  # xargs, linux
+	# echo -n ${REPOSITORIES[@]} | xargs -n 1 -P 0 -I {} git -C "{}" $(echo ${COMMAND[@]})  # xargs, osx
+	# for REPOSITORY in ${REPOSITORIES[@]}; do echo -e "\n\n---\n${REPOSITORY}"; git -C "$REPOSITORY" "$COMMAND"; done
+
+	[[ -n $DEBUG ]] && set +o xtrace
+}