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[tor-commits] [tor/master] scripts: Make the git scripts show usage messages
commit f0044e44f2afaac08bf8b7ac931a652a8d998904
Author: teor <teor@xxxxxxxxxxxxxx>
Date: Tue Sep 10 12:14:49 2019 +1000
scripts: Make the git scripts show usage messages
All of the git scripts now have usage messages on:
* a new -h option, and
* usage errors.
Closes 31677.
---
scripts/git/git-merge-forward.sh | 63 ++++++++++++++++++----------
scripts/git/git-pull-all.sh | 74 +++++++++++++++++++++++----------
scripts/git/git-push-all.sh | 89 +++++++++++++++++++++++++++++-----------
3 files changed, 161 insertions(+), 65 deletions(-)
diff --git a/scripts/git/git-merge-forward.sh b/scripts/git/git-merge-forward.sh
index cbd2f3c3b..e481b4097 100755
--- a/scripts/git/git-merge-forward.sh
+++ b/scripts/git/git-merge-forward.sh
@@ -1,31 +1,47 @@
#!/usr/bin/env bash
-# Usage: git-merge-forward.sh -n -t <test-branch-prefix> -u
-# arguments:
-# -n: dry run mode
-# -t: test branch mode: create new branches from the commits checked
-# out in each maint directory. Call these branches prefix_029,
-# prefix_035, ... , prefix_master.
-# -u: in test branch mode, if a prefix_* branch exists, skip creating
-# that branch. Use after a merge error, to restart the merge
-# forward at the first unmerged branch.
-# env vars:
-# See the Configuration section for env vars and their default values.
+SCRIPT_NAME=`basename $0`
+
+function usage()
+{
+ echo "$SCRIPT_NAME [-h] [-n] [-t <test-branch-prefix> [-u]]"
+ echo
+ echo " arguments:"
+ echo " -h: show this help text"
+ echo " -n: dry run mode"
+ echo " (default: run commands)"
+ echo " -t: test branch mode: create new branches from the commits checked"
+ echo " out in each maint directory. Call these branches prefix_029,"
+ echo " prefix_035, ... , prefix_master."
+ echo " (default: merge forward maint-*, release-*, and master)"
+ echo " -u: in test branch mode, if a prefix_* branch already exists,"
+ echo " skip creating that branch. Use after a merge error, to"
+ echo " restart the merge forward at the first unmerged branch."
+ echo " (default: if a prefix_* branch already exists, fail and exit)"
+ echo
+ echo " env vars:"
+ echo " required:"
+ echo " TOR_FULL_GIT_PATH: where the git repository directories reside."
+ echo " You must set this env var, we recommend \$HOME/git/"
+ echo " (default: fail if this env var is not set;"
+ echo " current: $GIT_PATH)"
+ echo
+ echo " optional:"
+ echo " TOR_MASTER: the name of the directory containing the tor.git clone"
+ echo " The tor master git directory is \$GIT_PATH/\$TOR_MASTER"
+ echo " (default: tor; current: $TOR_MASTER_NAME)"
+ echo " TOR_WKT_NAME: the name of the directory containing the tor"
+ echo " worktrees. The tor worktrees are:"
+ echo " \$GIT_PATH/\$TOR_WKT_NAME/{maint-*,release-*}"
+ echo " (default: tor-wkt; current: $TOR_WKT_NAME)"
+ echo " we recommend that you set these env vars in your ~/.profile"
+}
#################
# Configuration #
#################
# Don't change this configuration - set the env vars in your .profile
-#
-# The general setup that is suggested here is:
-#
-# GIT_PATH = /home/<user>/git/
-# ... where the git repository directories resides.
-# TOR_MASTER_NAME = "tor"
-# ... which means that tor.git was cloned in /home/<user>/git/tor
-# TOR_WKT_NAME = "tor-wkt"
-# ... which means that the tor worktrees are in /home/<user>/git/tor-wkt
# Where are all those git repositories?
GIT_PATH=${TOR_FULL_GIT_PATH:-"FULL_PATH_TO_GIT_REPOSITORY_DIRECTORY"}
@@ -126,8 +142,11 @@ TEST_BRANCH_PREFIX=
# creating a new branch.
USE_EXISTING=0
-while getopts "nt:u" opt; do
+while getopts "hnt:u" opt; do
case "$opt" in
+ h) usage
+ exit 0
+ ;;
n) DRY_RUN=1
echo " *** DRY RUN MODE ***"
;;
@@ -138,6 +157,8 @@ while getopts "nt:u" opt; do
echo " *** USE EXISTING TEST BRANCHES MODE ***"
;;
*)
+ echo
+ usage
exit 1
;;
esac
diff --git a/scripts/git/git-pull-all.sh b/scripts/git/git-pull-all.sh
index 26e26e8b5..0d6daf432 100755
--- a/scripts/git/git-pull-all.sh
+++ b/scripts/git/git-pull-all.sh
@@ -1,17 +1,39 @@
#!/usr/bin/env bash
-##################################
-# User configuration (change me) #
-##################################
+SCRIPT_NAME=`basename $0`
-# The general setup that is suggested here is:
-#
-# GIT_PATH = /home/<user>/git/
-# ... where the git repository directories resides.
-# TOR_MASTER_NAME = "tor"
-# ... which means that tor.git was cloned in /home/<user>/git/tor
-# TOR_WKT_NAME = "tor-wkt"
-# ... which means that the tor worktrees are in /home/<user>/git/tor-wkt
+function usage()
+{
+ echo "$SCRIPT_NAME [-h] [-n]"
+ echo
+ echo " arguments:"
+ echo " -h: show this help text"
+ echo " -n: dry run mode"
+ echo " (default: run commands)"
+ echo
+ echo " env vars:"
+ echo " required:"
+ echo " TOR_FULL_GIT_PATH: where the git repository directories reside."
+ echo " You must set this env var, we recommend \$HOME/git/"
+ echo " (default: fail if this env var is not set;"
+ echo " current: $GIT_PATH)"
+ echo
+ echo " optional:"
+ echo " TOR_MASTER: the name of the directory containing the tor.git clone"
+ echo " The tor master git directory is \$GIT_PATH/\$TOR_MASTER"
+ echo " (default: tor; current: $TOR_MASTER_NAME)"
+ echo " TOR_WKT_NAME: the name of the directory containing the tor"
+ echo " worktrees. The tor worktrees are:"
+ echo " \$GIT_PATH/\$TOR_WKT_NAME/{maint-*,release-*}"
+ echo " (default: tor-wkt; current: $TOR_WKT_NAME)"
+ echo " we recommend that you set these env vars in your ~/.profile"
+}
+
+#################
+# Configuration #
+#################
+
+# Don't change this configuration - set the env vars in your .profile
# Where are all those git repositories?
GIT_PATH=${TOR_FULL_GIT_PATH:-"FULL_PATH_TO_GIT_REPOSITORY_DIRECTORY"}
@@ -88,10 +110,30 @@ WORKTREE=(
)
COUNT=${#WORKTREE[@]}
+#######################
+# Argument processing #
+#######################
+
# Controlled by the -n option. The dry run option will just output the command
# that would have been executed for each worktree.
DRY_RUN=0
+while getopts "hn" opt; do
+ case "$opt" in
+ h) usage
+ exit 0
+ ;;
+ n) DRY_RUN=1
+ echo " *** DRY DRUN MODE ***"
+ ;;
+ *)
+ echo
+ usage
+ exit 1
+ ;;
+ esac
+done
+
#############
# Constants #
#############
@@ -195,16 +237,6 @@ function fetch_tor_github
# Entry point #
###############
-while getopts "n" opt; do
- case "$opt" in
- n) DRY_RUN=1
- echo " *** DRY DRUN MODE ***"
- ;;
- *)
- ;;
- esac
-done
-
# First, fetch tor-github.
goto_repo "$ORIGIN_PATH"
fetch_tor_github
diff --git a/scripts/git/git-push-all.sh b/scripts/git/git-push-all.sh
index ccbca012f..a388f0156 100755
--- a/scripts/git/git-push-all.sh
+++ b/scripts/git/git-push-all.sh
@@ -1,26 +1,65 @@
#!/usr/bin/env bash
-# Usage: git-push-all.sh -t <test-branch-prefix> -r <remote-name> -s
-# -- <git-opts>
-# arguments:
-# -t: test branch mode: Push test branches, rather than maint and
-# release branches. Pushes the branches called prefix_029,
-# prefix_035, ... , prefix_master.
-# -r: push to remote-name, rather than $TOR_UPSTREAM_REMOTE_NAME.
-# -s: push branches whose tips match upstream maint, release, or
-# master branches. The default is to skip these branches. Use
-# -s when testing for CI environment failures with old code.
-# --: pass any other arguments to git, rather than the script.
-# env vars:
-# TOR_GIT_PUSH: the git push command and arguments
-# TOR_UPSTREAM_REMOTE_NAME: the default upstream, overridden by -r
-# TOR_PUSH_DELAY: pushes the master and maint branches separately,
-# so that CI runs in a sensible order.
-# TOR_PUSH_SAME: push branches whose tips match upstream maint,
-# release, or master branches. Inverted by -s.
-# See the Configuration section for env var default values.
-# git-opts:
-# --no-atomic --dry-run (and any other git push option)
+SCRIPT_NAME=`basename $0`
+
+function usage()
+{
+ if [ "$TOR_PUSH_SAME" ]; then
+ CURRENT_PUSH_SAME="push"
+ else
+ CURRENT_PUSH_SAME="skip"
+ fi
+
+ echo "$SCRIPT_NAME [-h] [-r <remote-name> [-t <test-branch-prefix>]] [-s]"
+ # The next line looks misaligned, but it lines up in the output
+ echo " [-- [-n] [--no-atomic] <git push options>]"
+ echo
+ echo " arguments:"
+ echo " -h: show this help text"
+ echo " -n: dry run mode"
+ echo " (default: run commands)"
+ echo " -r: push to remote-name, rather than the default upstream remote."
+ echo " (default: $DEFAULT_UPSTREAM_REMOTE, current: $UPSTREAM_REMOTE)"
+ echo " -t: test branch mode: push test branches to remote-name. Pushes"
+ echo " branches prefix_029, prefix_035, ... , prefix_master."
+ echo " (default: push maint-*, release-*, and master)"
+ echo " -s: push branches whose tips match upstream maint, release, or"
+ echo " master branches. The default is to skip these branches,"
+ echo " because they do not contain any new code. Use -s to test for"
+ echo " CI environment failures, using code that previously passed CI."
+ echo " (default: skip; current: $CURRENT_PUSH_SAME matching branches)"
+ echo " --: pass further arguments to git push."
+ echo " (default: git push --atomic, current: $GIT_PUSH)"
+ echo
+ echo " env vars:"
+ echo " optional:"
+ echo " TOR_GIT_PUSH_PATH: change to this directory before pushing."
+ echo " (default: if \$TOR_FULL_GIT_PATH is set,"
+ echo " use \$TOR_FULL_GIT_PATH/\$TOR_MASTER;"
+ echo " Otherwise, use the current directory for pushes;"
+ echo " current: $TOR_GIT_PUSH_PATH)"
+ echo " TOR_FULL_GIT_PATH: where the git repository directories reside."
+ echo " We recommend using \$HOME/git/."
+ echo " (default: use the current directory for pushes;"
+ echo " current: $TOR_FULL_GIT_PATH)"
+ echo " TOR_MASTER: the name of the directory containing the tor.git clone"
+ echo " The tor master git directory is \$GIT_PATH/\$TOR_MASTER"
+ echo " (default: tor; current: $TOR_MASTER_NAME)"
+ echo
+ echo " TOR_UPSTREAM_REMOTE_NAME: the default upstream remote."
+ echo " Overridden by -r."
+ echo " (default: upstream; current: $UPSTREAM_REMOTE)"
+ echo " TOR_GIT_PUSH: the git push command and default arguments."
+ echo " Overridden by <git push options> after --."
+ echo " (default: git push --atomic; current: $GIT_PUSH)"
+ echo " TOR_PUSH_SAME: push branches whose tips match upstream maint,"
+ echo " release, or master branches. Inverted by -s."
+ echo " (default: skip; current: $CURRENT_PUSH_SAME matching branches)"
+ echo " TOR_PUSH_DELAY: pushes the master and maint branches separately,"
+ echo " so that CI runs in a sensible order."
+ echo " (default: push all branches immediately; current: $PUSH_DELAY)"
+ echo " we recommend that you set these env vars in your ~/.profile"
+}
set -e
@@ -61,8 +100,11 @@ PUSH_SAME=${TOR_PUSH_SAME:-0}
# <tbbn>_029, <tbbn>_035, ... , <tbbn>_master, and merge forward.
TEST_BRANCH_PREFIX=
-while getopts ":r:st:" opt; do
+while getopts ":hr:st:" opt; do
case "$opt" in
+ h) usage
+ exit 0
+ ;;
r) UPSTREAM_REMOTE="$OPTARG"
echo " *** PUSHING TO REMOTE: ${UPSTREAM_REMOTE} ***"
shift
@@ -102,7 +144,8 @@ if [ "$TEST_BRANCH_PREFIX" ]; then
if [ "$UPSTREAM_REMOTE" = "$DEFAULT_UPSTREAM_REMOTE" ]; then
echo "Pushing test branches ${TEST_BRANCH_PREFIX}_nnn to " \
"the default remote $DEFAULT_UPSTREAM_REMOTE is not allowed."
- echo "Usage: $0 -r <remote-name> -t <test-branch-prefix> <git-opts>"
+ echo
+ usage
exit 1
fi
fi
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