feat: git post-receive hook

Commit `7a019c7`

Eric Bower · 2026-05-07 15:38:52 -0400 EDT

parent bcba2bc

feat: git post-receive hook

2 files changed, +124, -0

A hooks/post-receive

A install-hooks.sh

A hooks/post-receive

+31, -0

...	...		@@ -0,0 +1,31 @@
	1	+	#!/usr/bin/env bash
	2	+	# post-receive hook — publishes build events to pici via ssh pipe.
	3	+	#
	4	+	# Install: ./install-hooks.sh /path/to/bare-repos
	5	+	#
	6	+	# stdin format (per ref pushed): <old-sha> <new-sha> <ref-name>
	7	+
	8	+	set -euo pipefail
	9	+
	10	+	PIPE_HOST="${PIPE_HOST:-pipe}"
	11	+
	12	+	while read -r old_sha new_sha ref; do
	13	+	# Skip delete refs
	14	+	if [ "$new_sha" = "0000000000000000000000000000000000000000" ]; then
	15	+	continue
	16	+	fi
	17	+
	18	+	# Extract branch name from ref (e.g. refs/heads/main → main)
	19	+	branch="${ref#refs/heads/}"
	20	+
	21	+	# Repo name from the bare repo directory
	22	+	repo="$(basename "$(git rev-parse --show-toplevel 2>/dev/null \|\| pwd)" .git)"
	23	+
	24	+	# Workspace is the bare repo itself (runner rsyncs from here)
	25	+	workspace="$(git rev-parse --git-dir 2>/dev/null \|\| pwd)"
	26	+
	27	+	event=$(printf '{"type":"git.push","name":"%s","workspace":"%s","branch":"%s","commit":"%s"}' \
	28	+	"$repo" "$workspace" "$branch" "$new_sha")
	29	+
	30	+	echo "$event" \| ssh "$PIPE_HOST" pub -b=false build.event
	31	+	done

A install-hooks.sh

+93, -0

......@@ -0,0 +1,93 @@
#!/usr/bin/env bash
# install-hooks.sh — sync the post-receive hook to all bare repos in a directory.
#
# Usage:
#   ./install-hooks.sh /path/to/bare-repos
#   ./install-hooks.sh /path/to/repo1.git /path/to/repo2.git
#   ./install-hooks.sh --force /path/to/bare-repos    # overwrite existing hooks
#
# The hook is read from hooks/post-receive relative to this script.
# Errors if a repo already has a different post-receive hook (use --force to overwrite).

set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
HOOK="$SCRIPT_DIR/hooks/post-receive"
FORCE=false

if [ "${1:-}" = "--force" ]; then
    FORCE=true
    shift
fi

if [ ! -f "$HOOK" ]; then
    echo "error: $HOOK not found" >&2
    exit 1
fi

if [ $# -eq 0 ]; then
    echo "usage: $0 [--force] <repo.git ... | repos-dir>" >&2
    exit 1
fi

repos=()
for arg in "$@"; do
    # Strip trailing slash to avoid double slashes in paths
    arg="${arg%/}"
    if [ -d "$arg" ] && [ ! -d "$arg/hooks" ]; then
        # Looks like a directory containing repos, not a repo itself
        for repo in "$arg"/*.git; do
            [ -d "$repo" ] && repos+=("$repo")
        done
    else
        repos+=("$arg")
    fi
done

if [ ${#repos[@]} -eq 0 ]; then
    echo "no repos found" >&2
    exit 1
fi

installed=0
skipped=0
overwritten=0
errors=0

for repo in "${repos[@]}"; do
    hooks_dir="$repo/hooks"
    existing="$hooks_dir/post-receive"
    mkdir -p "$hooks_dir"

    if [ -f "$existing" ]; then
        if diff -q "$HOOK" "$existing" >/dev/null 2>&1; then
            echo "  = $repo (up to date)"
            skipped=$((skipped + 1))
            continue
        fi

        if [ "$FORCE" = true ]; then
            cp "$HOOK" "$existing"
            chmod +x "$existing"
            echo "  ⚡ $repo (overwritten)"
            overwritten=$((overwritten + 1))
            continue
        fi

        echo "  ✗ $repo (existing hook differs)" >&2
        errors=$((errors + 1))
        continue
    fi

    cp "$HOOK" "$existing"
    chmod +x "$existing"
    echo "  ✓ $repo"
    installed=$((installed + 1))
done

echo ""
echo "installed: $installed  skipped: $skipped  overwritten: $overwritten  errors: $errors"

if [ "$errors" -gt 0 ]; then
    exit 1
fi

...	...		@@ -0,0 +1,93 @@
	1	+	#!/usr/bin/env bash
	2	+	# install-hooks.sh — sync the post-receive hook to all bare repos in a directory.
	3	+	#
	4	+	# Usage:
	5	+	# ./install-hooks.sh /path/to/bare-repos
	6	+	# ./install-hooks.sh /path/to/repo1.git /path/to/repo2.git
	7	+	# ./install-hooks.sh --force /path/to/bare-repos # overwrite existing hooks
	8	+	#
	9	+	# The hook is read from hooks/post-receive relative to this script.
	10	+	# Errors if a repo already has a different post-receive hook (use --force to overwrite).
	11	+
	12	+	set -euo pipefail
	13	+
	14	+	SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
	15	+	HOOK="$SCRIPT_DIR/hooks/post-receive"
	16	+	FORCE=false
	17	+
	18	+	if [ "${1:-}" = "--force" ]; then
	19	+	FORCE=true
	20	+	shift
	21	+	fi
	22	+
	23	+	if [ ! -f "$HOOK" ]; then
	24	+	echo "error: $HOOK not found" >&2
	25	+	exit 1
	26	+	fi
	27	+
	28	+	if [ $# -eq 0 ]; then
	29	+	echo "usage: $0 [--force] <repo.git ... \| repos-dir>" >&2
	30	+	exit 1
	31	+	fi
	32	+
	33	+	repos=()
	34	+	for arg in "$@"; do
	35	+	# Strip trailing slash to avoid double slashes in paths
	36	+	arg="${arg%/}"
	37	+	if [ -d "$arg" ] && [ ! -d "$arg/hooks" ]; then
	38	+	# Looks like a directory containing repos, not a repo itself
	39	+	for repo in "$arg"/*.git; do
	40	+	[ -d "$repo" ] && repos+=("$repo")
	41	+	done
	42	+	else
	43	+	repos+=("$arg")
	44	+	fi
	45	+	done
	46	+
	47	+	if [ ${#repos[@]} -eq 0 ]; then
	48	+	echo "no repos found" >&2
	49	+	exit 1
	50	+	fi
	51	+
	52	+	installed=0
	53	+	skipped=0
	54	+	overwritten=0
	55	+	errors=0
	56	+
	57	+	for repo in "${repos[@]}"; do
	58	+	hooks_dir="$repo/hooks"
	59	+	existing="$hooks_dir/post-receive"
	60	+	mkdir -p "$hooks_dir"
	61	+
	62	+	if [ -f "$existing" ]; then
	63	+	if diff -q "$HOOK" "$existing" >/dev/null 2>&1; then
	64	+	echo " = $repo (up to date)"
	65	+	skipped=$((skipped + 1))
	66	+	continue
	67	+	fi
	68	+
	69	+	if [ "$FORCE" = true ]; then
	70	+	cp "$HOOK" "$existing"
	71	+	chmod +x "$existing"
	72	+	echo " ⚡ $repo (overwritten)"
	73	+	overwritten=$((overwritten + 1))
	74	+	continue
	75	+	fi
	76	+
	77	+	echo " ✗ $repo (existing hook differs)" >&2
	78	+	errors=$((errors + 1))
	79	+	continue
	80	+	fi
	81	+
	82	+	cp "$HOOK" "$existing"
	83	+	chmod +x "$existing"
	84	+	echo " ✓ $repo"
	85	+	installed=$((installed + 1))
	86	+	done
	87	+
	88	+	echo ""
	89	+	echo "installed: $installed skipped: $skipped overwritten: $overwritten errors: $errors"
	90	+
	91	+	if [ "$errors" -gt 0 ]; then
	92	+	exit 1
	93	+	fi

Commit 7a019c7

Commit `7a019c7`