#
init() {
- set -a
- readonly ORIGINAL="$1"
- readonly REVISED="$(mktemp "$ORIGINAL.XXXXXX")"
- readonly SAVE="$(basename $ORIGINAL).$(date +%Y%m%d.%H%M%S)"
- readonly SIGNOFF="Signed-off-by:"
- readonly CHANGEID="Change-Id:"
- readonly TESTPARAMS="Test-Parameters:"
- readonly INNOCUOUS=$(echo \
- Acked-by \
- Tested-by \
- Reported-by \
- Reviewed-by \
- CC \
- | tr ' ' '|')
- readonly WIDTH_SUM=62
- readonly WIDTH_REG=70
- readonly JIRA_FMT_A="^[A-Z]\{2,5\}-[0-9]\{1,5\} [-a-z0-9]\{2,11\}: "
- readonly JIRA_FMT_B="^[A-Z]\{2,5\}-[0-9]\{1,5\} "
-
- # Identify a name followed by an email address.
- #
- readonly EMAILPAT=$'[ \t]*[^<> ]* [^<>]* <[^@ \t>]+@[a-zA-Z0-9.-]+\.[a-z]+>'
-
- HAS_ERROR=false
- HAS_SUMMARY=false
- HAS_LAST_BLANK=false
- HAS_BODY=false
- HAS_SIGNOFF=false
- HAS_CHANGEID=false
-
- IS_WRAPPING_UP=false
-
- LINE=""
- NUM=0
- set +a
+ set -a
+ readonly ORIGINAL="$1"
+ readonly REVISED="$(mktemp "$ORIGINAL.XXXXXX")"
+ readonly SAVE="$(basename $ORIGINAL).$(date +%Y%m%d.%H%M%S)"
+ readonly SIGNOFF="Signed-off-by:"
+ readonly CHANGEID="Change-Id:"
+ readonly TESTPARAMS="Test-Parameters:"
+ readonly INNOCUOUS=$(echo \
+ Acked-by \
+ Tested-by \
+ Reported-by \
+ Reviewed-by \
+ CC \
+ | tr ' ' '|')
+ readonly WIDTH_SUM=62
+ readonly WIDTH_REG=70
+ readonly JIRA_FMT_A="^[A-Z]\{2,5\}-[0-9]\{1,5\} [-a-z0-9]\{2,11\}: "
+ readonly JIRA_FMT_B="^[A-Z]\{2,5\}-[0-9]\{1,5\} "
+
+ # Identify a name followed by an email address.
+ #
+ readonly EMAILPAT=$'[ \t]*[^<> ]* [^<>]* <[^@ \t>]+@[a-zA-Z0-9.-]+\.[a-z]+>'
+
+ HAS_ERROR=false
+ HAS_SUMMARY=false
+ HAS_LAST_BLANK=false
+ HAS_BODY=false
+ HAS_SIGNOFF=false
+ HAS_CHANGEID=false
+
+ IS_WRAPPING_UP=false
+
+ LINE=""
+ NUM=0
+ set +a
}
# die: commit-msg fatal error: script error or empty input message
# All output redirected to stderr.
#
die() {
- echo "commit-msg fatal error: $*"
- test -f "$REVISED" && rm -f "$REVISED"
- exit 1
+ echo "commit-msg fatal error: $*"
+ test -f "$REVISED" && rm -f "$REVISED"
+ exit 1
} 1>&2
# Called when doing the final "wrap up" clause because we've found
# one of the tagged lines that belongs in the final section.
#
function ck_wrapup() {
- $IS_WRAPPING_UP && return
+ $IS_WRAPPING_UP && return
- $HAS_LAST_BLANK || error "blank line must preceed signoff section"
- $HAS_SUMMARY || error "missing commit summary line."
- $HAS_BODY || error "missing commit description."
+ $HAS_LAST_BLANK || error "blank line must preceed signoff section"
+ $HAS_SUMMARY || error "missing commit summary line."
+ $HAS_BODY || error "missing commit description."
- HAS_LAST_BLANK=false
- IS_WRAPPING_UP=true
+ HAS_LAST_BLANK=false
+ IS_WRAPPING_UP=true
}
function do_signoff() {
- ck_wrapup
- # Signed-off-by: First Last <email@host.domain>
- local txt=$(echo "${LINE#*: }" | grep -E "${EMAILPAT}")
- if (( ${#txt} == 0 )); then
- error "$SIGNOFF line requires name and email address"
- else
- HAS_SIGNOFF=true # require at least one
- fi
+ ck_wrapup
+ # Signed-off-by: First Last <email@host.domain>
+ local txt=$(echo "${LINE#*: }" | grep -E "${EMAILPAT}")
+ if (( ${#txt} == 0 )); then
+ error "$SIGNOFF line requires name and email address"
+ else
+ HAS_SIGNOFF=true # require at least one
+ fi
}
function do_changeid() {
- ck_wrapup
- $HAS_CHANGEID && error "multiple $CHANGEID lines are not allowed"
+ ck_wrapup
+ $HAS_CHANGEID && error "multiple $CHANGEID lines are not allowed"
- # Change-Id: I1234567890123456789012345678901234567890
- # capital "I" plus 40 hex digits
- #
- local txt=$(echo "$LINE" | grep "^$CHANGEID I[0-9a-fA-F]\{40\}\$")
- (( ${#txt} > 0 )) ||
- error "has invalid $CHANGEID line for Gerrit tracking"
+ # Change-Id: I1234567890123456789012345678901234567890
+ # capital "I" plus 40 hex digits
+ #
+ local txt=$(echo "$LINE" | grep "^$CHANGEID I[0-9a-fA-F]\{40\}\$")
+ (( ${#txt} > 0 )) ||
+ error "has invalid $CHANGEID line for Gerrit tracking"
- HAS_CHANGEID=true
+ HAS_CHANGEID=true
}
# All "innocuous" lines specify a person and email address
#
function do_innocuous() {
- ck_wrapup
- local txt=$(echo "${LINE#*: }" | grep -E "${EMAILPAT}")
- (( ${#txt} == 0 )) && error "invalid name and address"
+ ck_wrapup
+ local txt=$(echo "${LINE#*: }" | grep -E "${EMAILPAT}")
+ (( ${#txt} == 0 )) && error "invalid name and address"
}
function do_default_line() {
- $IS_WRAPPING_UP && {
- error "invalid signoff section line"
- return
- }
- if (( NUM == 1 )); then
- HAS_JIRA_COMPONENT=$(echo "$LINE" | grep "$JIRA_FMT_A")
-
- if (( ${#HAS_JIRA_COMPONENT} == 0 )); then
- HAS_JIRA=$(echo "$LINE" | grep "$JIRA_FMT_B")
- if (( ${#HAS_JIRA} > 0 )); then
- error "has no component in summary."
- else
- error "missing JIRA ticket number."
- fi
- elif (( ${#LINE} > WIDTH_SUM )); then
- error "summary longer than $WIDTH_SUM columns."
- else
- HAS_SUMMARY=true
- fi
-
- elif (( ${#LINE} > WIDTH_REG )); then
- error "has line longer than $WIDTH_REG columns."
- elif ! $HAS_BODY && ! $HAS_LAST_BLANK; then
- error "has no blank line after summary."
- else
- HAS_BODY=true
- fi
- HAS_LAST_BLANK=false
+ $IS_WRAPPING_UP && {
+ error "invalid signoff section line"
+ return
+ }
+ if (( NUM == 1 )); then
+ HAS_JIRA_COMPONENT=$(echo "$LINE" | grep "$JIRA_FMT_A")
+
+ if (( ${#HAS_JIRA_COMPONENT} == 0 )); then
+ HAS_JIRA=$(echo "$LINE" | grep "$JIRA_FMT_B")
+ if (( ${#HAS_JIRA} > 0 )); then
+ error "has no component in summary."
+ else
+ error "missing JIRA ticket number."
+ fi
+ elif (( ${#LINE} > WIDTH_SUM )); then
+ error "summary longer than $WIDTH_SUM columns."
+ else
+ HAS_SUMMARY=true
+ fi
+
+ elif (( ${#LINE} > WIDTH_REG )); then
+ error "has line longer than $WIDTH_REG columns."
+ elif ! $HAS_BODY && ! $HAS_LAST_BLANK; then
+ error "has no blank line after summary."
+ else
+ HAS_BODY=true
+ fi
+ HAS_LAST_BLANK=false
}
# Add a new unique Change-Id
#
new_changeid() {
- local NEWID=$({
- git var GIT_AUTHOR_IDENT
- git var GIT_COMMITTER_IDENT
- git write-tree
- git rev-parse HEAD 2>/dev/null
- grep -v "^$SIGNOFF" "$ORIGINAL" | git stripspace -s
- } | git hash-object --stdin)
- (( ${#NEWID} > 0 )) ||
- die "git hash-object failed for $CHANGEID:"
-
- echo "$CHANGEID I$NEWID"
+ local NEWID=$({
+ git var GIT_AUTHOR_IDENT
+ git var GIT_COMMITTER_IDENT
+ git write-tree
+ git rev-parse HEAD 2>/dev/null
+ grep -v "^$SIGNOFF" "$ORIGINAL" | git stripspace -s
+ } | git hash-object --stdin)
+ (( ${#NEWID} > 0 )) ||
+ die "git hash-object failed for $CHANGEID:"
+
+ echo "$CHANGEID I$NEWID"
}
# A commit message error was encountered.
# All output redirected to stderr.
#
error() {
- (( ${#LINE} > 0 )) && echo "line $NUM: $LINE"
- echo "error: commit message $*" | fmt
- HAS_ERROR=true
+ (( ${#LINE} > 0 )) && echo "line $NUM: $LINE"
+ echo "error: commit message $*" | fmt
+ HAS_ERROR=true
} 1>&2
usage() {
{Organization}-bug-id: associated external change identifier
EOF
- mv "$ORIGINAL" "$SAVE" &&
- echo "$0: saved original commit comment to $SAVE" 1>&2
+ mv "$ORIGINAL" "$SAVE" &&
+ echo "$0: saved original commit comment to $SAVE" 1>&2
}
init ${1+"$@"}
exec 3< "$ORIGINAL" 4> "$REVISED" || exit 1
while IFS= read -u3 LINE; do
- ((NUM += 1))
- case "$LINE" in
- $SIGNOFF* ) do_signoff ;;
- $CHANGEID* ) do_changeid ;;
- $TESTPARAMS* ) ck_wrapup ;;
-
- "")
- HAS_LAST_BLANK=true
- $IS_WRAPPING_UP && continue
- ;;
-
- \#*)
- continue ## ignore and suppress comments
- ;;
-
- "diff --git a/"* )
- # Beginning of uncommented diffstat from "commit -v". If
- # there are diff and index lines, skip the rest of the input:
- # diff --git a/build/commit-msg b/build/commit-msg
- # index 80a3442..acb4c50 100755
- # deleted file mode 100644
- # old mode 100644
- # If a "diff --git" line is not followed by one of these
- # lines, do the default line processing on both lines.
- #
- IFS= read -u3 INDEX || break
- ((NUM += 1))
- case "$INDEX" in
- "index "[0-9a-fA-F]*) break ;;
- "deleted file mode "*) break ;;
- "old mode "*) break ;;
+ ((NUM += 1))
+ case "$LINE" in
+ $SIGNOFF* ) do_signoff ;;
+ $CHANGEID* ) do_changeid ;;
+ $TESTPARAMS* ) ck_wrapup ;;
+
+ "")
+ HAS_LAST_BLANK=true
+ $IS_WRAPPING_UP && continue
+ ;;
+
+ \#*)
+ continue ## ignore and suppress comments
+ ;;
+
+ "diff --git a/"* )
+ # Beginning of uncommented diffstat from "commit -v". If
+ # there are diff and index lines, skip the rest of the input:
+ # diff --git a/build/commit-msg b/build/commit-msg
+ # index 80a3442..acb4c50 100755
+ # deleted file mode 100644
+ # old mode 100644
+ # If a "diff --git" line is not followed by one of these
+ # lines, do the default line processing on both lines.
+ #
+ IFS= read -u3 INDEX || break
+ ((NUM += 1))
+ case "$INDEX" in
+ "index "[0-9a-fA-F]*) break ;;
+ "deleted file mode "*) break ;;
+ "old mode "*) break ;;
"new file mode "*) break ;;
- esac
- LINE=${LINE}$'\n'${INDEX}
- do_default_line
- ;;
-
- *)
- if [[ "$LINE" =~ ^($INNOCUOUS): ]]; then
- do_innocuous
- elif [[ "$LINE" =~ ^[A-Za-z0-9_-]+-bug-id: ]]; then
- ck_wrapup
- else
- # Allow arbitrary external bug identifiers for tracking.
- # I can't seem to find a pattern for the "case" that
- # checks for "*-bug-id", so this is checked here.
- do_default_line
- fi
- ;;
- esac
-
- echo "$LINE" >&4
+ esac
+ LINE=${LINE}$'\n'${INDEX}
+ do_default_line
+ ;;
+
+ *)
+ if [[ "$LINE" =~ ^($INNOCUOUS): ]]; then
+ do_innocuous
+ elif [[ "$LINE" =~ ^[A-Za-z0-9_-]+-bug-id: ]]; then
+ ck_wrapup
+ else
+ # Allow arbitrary external bug identifiers for tracking.
+ # I can't seem to find a pattern for the "case" that
+ # checks for "*-bug-id", so this is checked here.
+ do_default_line
+ fi
+ ;;
+ esac
+
+ echo "$LINE" >&4
done
(( NUM <= 0 )) && die "empty commit message"
$HAS_SIGNOFF || error "missing valid $SIGNOFF: line."
if $HAS_ERROR; then
- exec 3<&- 4>&-
- usage
- rm "$REVISED"
- exit 1
+ exec 3<&- 4>&-
+ usage
+ rm "$REVISED"
+ exit 1
fi
$HAS_CHANGEID || new_changeid >&4
## sh-indentation: 8
## sh-indent-for-case-label: 0
## sh-indent-for-case-alt: 8
+## indent-tabs-mode: t
## End: