diff options
| -rwxr-xr-x | .githooks/pre-commit | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/.githooks/pre-commit b/.githooks/pre-commit new file mode 100755 index 0000000000..1960d863ba --- /dev/null +++ b/.githooks/pre-commit @@ -0,0 +1,84 @@ +#!/bin/sh +# +# This hook checks that all local sources specified in the staged APKBUILDs +# are staged too or already committed and that checksums are correct. +# +set -eu + +if ! command -v sha512sum >/dev/null; then + # macOS / BSDs (?) don't have sha512sum, but shasum. + alias sha512sum='shasum -a 512' +fi + +error() { + printf '\033[0;31mpre-commit:\033[0m %s\n' "$1" >&2 # red +} + +# Prints paths of created or modified APKBUILDs being committed. +changed_apkbuilds() { + git diff-index \ + --name-only \ + --cached \ + --diff-filter=ACMR HEAD \ + -- '**/APKBUILD' +} + +# Prints file names and checksums (in format <SHA-512>:<filename>) of local +# sources specified in the APKBUILD ($1). +abuild_local_sources() { + apkbuild="$1" + + set +eu + . "$apkbuild" || { + error "$apkbuild is invalid" + return 1 + } + set -eu + + status=0 + for src in $source; do + # Skip remote sources. + case "$src" in */*) continue;; esac + + echo "$sha512sums" | awk -v src="$src" ' + { if ($2 == src) { ok=1; print($2 ":" $1) } } + END { if (ok != 1) exit 1 }' || { + status=1 + error "${apkbuild%/*}: file \"$src\" is missing in \$sha512sums (hint: run abuild checksum)" + } + done + + return $status +} + +# Checks that all local sources specified in the APKBUILD file ($1) are +# available in git tree and checksums are correct. +check_local_sources() { + local apkbuild="$1" + local startdir="${apkbuild%/*}" + local status=0 + local checksum content filename line sources + + sources=$(abuild_local_sources "$apkbuild") + for line in $sources; do + filename=${line%%:*} + checksum=${line#*:} + + content=$(git show ":$startdir/$filename" 2>/dev/null) || { + error "$startdir: missing file \"$filename\"" + status=1 + continue + } + [ "$(printf '%s\n' "$content" | sha512sum)" = "$checksum -" ] || { + error "$startdir: bad checksum for file \"$filename\" (hint: run abuild checksum)" + status=1 + } + done + + return $status +} + + +for apkbuild in $(changed_apkbuilds); do + check_local_sources "$apkbuild" +done |